"use client";

import { useEffect, useMemo, useRef, useState, type CSSProperties, type ChangeEvent, type PointerEvent as ReactPointerEvent } from "react";
import useSWR from "swr";
import { toast } from "sonner";
import {
  Download,
  Image as ImageIcon,
  Loader2,
  Move,
  MousePointerClick,
  RefreshCcw,
  Sparkles,
  Type,
  Upload,
  ZoomIn,
  ZoomOut,
} from "lucide-react";
import { fetchUploadWithRetry } from "@/lib/client/upload-with-retry";
import {
  Dialog,
  DialogContent,
} from "@/components/ui/dialog";
import { Badge } from "@/components/ui/badge";
import { Button } from "@/components/ui/button";
import { Input } from "@/components/ui/input";
import { Label } from "@/components/ui/label";
import { ScrollArea } from "@/components/ui/scroll-area";
import {
  Select,
  SelectContent,
  SelectGroup,
  SelectItem,
  SelectLabel,
  SelectTrigger,
  SelectValue,
} from "@/components/ui/select";
import { Slider } from "@/components/ui/slider";
import { Textarea } from "@/components/ui/textarea";
import {
  getDefaultAgentPsdImagePlacement,
  normalizeAgentPsdImagePlacement,
  resolveAgentPsdImageBaseFrame,
  type AgentPsdImagePlacement,
  type AgentPsdImageSize,
} from "@/lib/agents/psd-image-placement";
import {
  defaultAgentPsdTextColorConfig,
  normalizeAgentPsdTextColorConfig,
} from "@/lib/agents/psd-text-color-config";
import {
  isAgentPsdImageLayerSlot,
  isAgentPsdTextLayerSlot,
  parseAgentPsdTemplates,
  type AgentPsdTemplate,
  type AgentPsdTemplateImageLayerSlot,
  type AgentPsdTemplateLayerSlot,
  type AgentPsdTemplateListResponse,
  type AgentPsdTemplateRenderResponse,
  type AgentPsdTemplateTextLayerSlot,
} from "@/lib/agents/psd-template-config";
import {
  defaultAgentPsdTemplateSecondaryCategoryConfig,
  normalizeAgentPsdTemplateSecondaryCategoryConfig,
} from "@/lib/agents/psd-template-secondary-category-config";
import { normalizeHexColor, resolveTextLayout } from "@/lib/agents/psd-text-layout";

const fetcher = async (url: string): Promise<AgentPsdTemplateListResponse> => {
  try {
    const response = await fetch(url, { cache: "no-store" });
    const payload = (await response.json().catch(() => null)) as
      | Partial<AgentPsdTemplateListResponse>
      | null;

    if (!response.ok || !payload || payload.success !== true || !Array.isArray(payload.templates)) {
      return {
        success: false,
        templates: [],
        textColorConfig: defaultAgentPsdTextColorConfig,
        secondaryCategoryConfig: defaultAgentPsdTemplateSecondaryCategoryConfig,
        error: typeof payload?.error === "string" ? payload.error : "PSD 模板加载失败",
      };
    }

    return {
      success: true,
      templates: parseAgentPsdTemplates(payload.templates),
      textColorConfig: normalizeAgentPsdTextColorConfig(payload.textColorConfig),
      secondaryCategoryConfig: normalizeAgentPsdTemplateSecondaryCategoryConfig(
        payload.secondaryCategoryConfig
      ),
    };
  } catch {
    return {
      success: false,
      templates: [],
      textColorConfig: defaultAgentPsdTextColorConfig,
      secondaryCategoryConfig: defaultAgentPsdTemplateSecondaryCategoryConfig,
      error: "PSD 模板加载失败",
    };
  }
};
const PREVIEW_VIEWPORT_PADDING = 56;
const PREVIEW_STAGE_MAX_SCALE = 0.82;
const PREVIEW_STAGE_TARGET_WIDTH = 760;
const PREVIEW_STAGE_TARGET_HEIGHT = 760;
const MIN_IMAGE_SCALE = 0.4;
const MAX_IMAGE_SCALE = 3;

function clampImageScale(value: number) {
  if (!Number.isFinite(value)) {
    return 1;
  }
  return Math.max(MIN_IMAGE_SCALE, Math.min(MAX_IMAGE_SCALE, value));
}

function createInitialState(template: AgentPsdTemplate | null, sourceImageUrl: string) {
  const imageAssignments: Record<string, string> = {};
  const imagePlacements: Record<string, AgentPsdImagePlacement> = {};
  const textAssignments: Record<string, string> = {};

  if (!template) {
    return { imageAssignments, imagePlacements, textAssignments };
  }

  for (const layer of template.layers) {
    if (isAgentPsdImageLayerSlot(layer) && layer.isDefaultResultSource && sourceImageUrl) {
      imageAssignments[layer.id] = sourceImageUrl;
      imagePlacements[layer.id] = getDefaultAgentPsdImagePlacement();
    }
    if (isAgentPsdTextLayerSlot(layer) && layer.defaultText) {
      textAssignments[layer.id] = layer.defaultText;
    }
  }

  return { imageAssignments, imagePlacements, textAssignments };
}

function getLayerLabel(layer: AgentPsdTemplateLayerSlot) {
  return isAgentPsdImageLayerSlot(layer) ? "可替换图片" : "可编辑文字";
}

function getLayerOutlineColor(layer: AgentPsdTemplateLayerSlot) {
  return isAgentPsdImageLayerSlot(layer)
    ? "rgba(249,115,22,0.95)"
    : "rgba(56,189,248,0.95)";
}

function buildPreviewFontFaces(template: AgentPsdTemplate | null) {
  if (!template) return "";

  const rules = new Map<string, string>();
  for (const layer of template.layers) {
    if (!isAgentPsdTextLayerSlot(layer) || !layer.fontFamily || !layer.fontFileUrl) {
      continue;
    }
    const familyAliases = Array.from(
      new Set(
        [
          layer.fontFamily,
          ...(layer.detectedFontNames || []),
          layer.detectedFontName,
        ]
          .map((family) => String(family || "").trim())
          .filter(Boolean)
      )
    );

    for (const familyAlias of familyAliases) {
      if (rules.has(familyAlias)) {
        continue;
      }

      rules.set(
        familyAlias,
        `@font-face { font-family: "${familyAlias}"; src: url("${layer.fontFileUrl}") format("${layer.fontContentType?.includes("woff2") ? "woff2" : layer.fontContentType?.includes("woff") ? "woff" : layer.fontContentType?.includes("otf") ? "opentype" : "truetype"}"); font-display: swap; }`
      );
    }
  }

  return Array.from(rules.values()).join("\n");
}

function buildTextLayerFontFamily(layer: AgentPsdTemplateTextLayerSlot) {
  const families = Array.from(
    new Set(
      [
        layer.fontFamily,
        ...(layer.detectedFontNames || []),
        layer.detectedFontName,
        "PingFang SC",
        "Microsoft YaHei",
        "Noto Sans SC",
        "Source Han Sans SC",
        "sans-serif",
      ]
        .map((family) => String(family || "").trim())
        .filter(Boolean)
    )
  );

  return families
    .map((family) =>
      family === "sans-serif" ? family : `"${family.replace(/"/g, '\\"')}"`
    )
    .join(", ");
}

function getPreferredSelectedLayerId(template: AgentPsdTemplate | null) {
  if (!template || template.layers.length === 0) {
    return "";
  }

  const editableLayers = template.layers.filter((layer) => layer.isEditable);
  if (editableLayers.length === 0) {
    return "";
  }

  const preferredImage = editableLayers.find(
    (layer) => isAgentPsdImageLayerSlot(layer) && layer.isDefaultResultSource
  );
  if (preferredImage) {
    return preferredImage.id;
  }

  return editableLayers[0]?.id || "";
}

function getImageFit(replaceMode: AgentPsdTemplateImageLayerSlot["replaceMode"]): CSSProperties["objectFit"] {
  if (replaceMode === "contain") return "contain";
  if (replaceMode === "stretch") return "fill";
  return "cover";
}

function getLayerFrameStyle(
  layer: AgentPsdTemplateLayerSlot,
  isSelected: boolean
): CSSProperties {
  return {
    left: layer.x,
    top: layer.y,
    width: layer.width,
    height: layer.height,
    border: `2px solid ${getLayerOutlineColor(layer)}`,
    boxShadow: isSelected
      ? `0 0 0 3px rgba(255,255,255,0.16), 0 0 0 6px ${getLayerOutlineColor(layer)}55`
      : `0 0 0 1px ${getLayerOutlineColor(layer)}66 inset`,
  };
}

function getResolvedTextPreview(layer: AgentPsdTemplateTextLayerSlot, value: string) {
  return value || layer.placeholder || layer.layerName;
}

function getResolvedTextLayerColor(
  layer: AgentPsdTemplateTextLayerSlot,
  value?: string
) {
  return normalizeHexColor(value || layer.textColor, layer.textColor);
}

function getTextLayerRenderFrame(
  layer: AgentPsdTemplateTextLayerSlot,
  value: string
) {
  const resolvedLayout = resolveTextLayout({
    text: getResolvedTextPreview(layer, value),
    width: layer.width,
    height: layer.height,
    fontSize: layer.fontSize,
    lineHeight: layer.lineHeight,
    letterSpacing: layer.letterSpacing,
    paddingX: layer.paddingX,
    paddingY: layer.paddingY,
    maxLines: layer.maxLines,
    autoFit: false,
    preferNoWrap: true,
  });
  const width = Math.max(layer.width, resolvedLayout.contentWidth);
  const height = Math.max(layer.height, resolvedLayout.contentHeight);
  const offsetX =
    layer.textAlign === "right"
      ? layer.width - width
      : layer.textAlign === "center"
        ? (layer.width - width) / 2
        : 0;

  return {
    ...resolvedLayout,
    width,
    height,
    offsetX,
    offsetY: -resolvedLayout.visualOffsetY,
  };
}

function getTextLayerContentStyle(
  layer: AgentPsdTemplateTextLayerSlot,
  value: string,
  color: string
): CSSProperties {
  const resolvedLayout = getTextLayerRenderFrame(layer, value);

  return {
    width: resolvedLayout.width,
    height: resolvedLayout.height,
    fontFamily: buildTextLayerFontFamily(layer),
    fontSize: resolvedLayout.fontSize,
    lineHeight: layer.lineHeight,
    letterSpacing: `${layer.letterSpacing}px`,
    color,
    fontWeight: layer.fontWeight,
    textAlign: layer.textAlign,
    paddingLeft: layer.paddingX,
    paddingRight: layer.paddingX,
    paddingTop: layer.paddingY,
    paddingBottom: layer.paddingY,
    whiteSpace: "pre",
    wordBreak: "keep-all",
    overflowWrap: "normal",
  };
}

function getAssignedImageMaskStyle(layer: AgentPsdTemplateImageLayerSlot): CSSProperties {
  const hasMask = Boolean(layer.maskUrl);
  return {
    WebkitMaskImage: hasMask ? `url(${layer.maskUrl})` : undefined,
    maskImage: hasMask ? `url(${layer.maskUrl})` : undefined,
    WebkitMaskSize: hasMask ? "100% 100%" : undefined,
    maskSize: hasMask ? "100% 100%" : undefined,
    WebkitMaskRepeat: hasMask ? "no-repeat" : undefined,
    maskRepeat: hasMask ? "no-repeat" : undefined,
    WebkitMaskPosition: hasMask ? "center" : undefined,
    maskPosition: hasMask ? "center" : undefined,
  };
}

function getPlacedAssignedImageStyle(params: {
  layer: AgentPsdTemplateImageLayerSlot;
  imageSize: AgentPsdImageSize;
  placement: AgentPsdImagePlacement;
}): CSSProperties {
  const { layer, imageSize, placement } = params;
  const normalizedPlacement = normalizeAgentPsdImagePlacement(placement);
  const baseFrame = resolveAgentPsdImageBaseFrame({
    containerWidth: layer.width,
    containerHeight: layer.height,
    imageWidth: imageSize.width,
    imageHeight: imageSize.height,
    replaceMode: layer.replaceMode,
    contentBounds: layer.contentBounds,
  });

  return {
    position: "absolute",
    left: baseFrame.centerX + normalizedPlacement.offsetX,
    top: baseFrame.centerY + normalizedPlacement.offsetY,
    width: baseFrame.width,
    height: baseFrame.height,
    transform: `translate(-50%, -50%) scale(${normalizedPlacement.scale})`,
    transformOrigin: "center center",
    willChange: "transform",
  };
}

function hasEditedTextValue(layer: AgentPsdTemplateTextLayerSlot, value: string) {
  return String(value || "").replace(/\r\n/g, "\n") !== String(layer.defaultText || "").replace(/\r\n/g, "\n");
}

function hasCustomizedTextLayerAppearance(
  layer: AgentPsdTemplateTextLayerSlot,
  value: string,
  color: string
) {
  return (
    hasEditedTextValue(layer, value) ||
    getResolvedTextLayerColor(layer, color) !== getResolvedTextLayerColor(layer)
  );
}

function getInlineTextEditorStyle(
  layer: AgentPsdTemplateTextLayerSlot,
  preserveSourceAppearance: boolean,
  value: string,
  color: string
): CSSProperties {
  const baseStyle = getTextLayerContentStyle(layer, value, color);
  return {
    ...baseStyle,
    background: "transparent",
    boxSizing: "border-box",
    overflow: "visible",
    color: preserveSourceAppearance ? "transparent" : color,
    caretColor: color,
    WebkitTextFillColor: preserveSourceAppearance ? "transparent" : color,
  };
}

function getTextLayerNameBadgeClassName() {
  return "pointer-events-none absolute left-0 top-0 -translate-y-[calc(100%+6px)] rounded-full bg-black/78 px-2 py-1 text-[11px] whitespace-nowrap text-white shadow-lg";
}

function getTextLayerHintBadgeClassName() {
  return "pointer-events-none absolute right-0 top-0 -translate-y-[calc(100%+6px)] rounded-full bg-sky-500/90 px-2 py-1 text-[11px] whitespace-nowrap text-white shadow-lg";
}

export function AgentPsdTemplateEditorDialog({
  open,
  onOpenChange,
  sourceImageUrl,
  brandName,
}: {
  open: boolean;
  onOpenChange: (open: boolean) => void;
  sourceImageUrl: string | null;
  brandName?: string | null;
}) {
  const normalizedBrandName = String(brandName || "").trim();
  const { data, isLoading } = useSWR<AgentPsdTemplateListResponse>(
    open && normalizedBrandName
      ? `/api/psd-templates?brand=${encodeURIComponent(normalizedBrandName)}`
      : null,
    fetcher
  );
  const templates = useMemo(() => (data?.success ? data.templates : []), [data]);
  const textColorConfig = useMemo(
    () => normalizeAgentPsdTextColorConfig(data?.textColorConfig),
    [data?.textColorConfig]
  );
  const secondaryCategoryConfig = useMemo(
    () => normalizeAgentPsdTemplateSecondaryCategoryConfig(data?.secondaryCategoryConfig),
    [data?.secondaryCategoryConfig]
  );

  const [selectedTemplateId, setSelectedTemplateId] = useState<string>("");
  const [selectedLayerId, setSelectedLayerId] = useState<string>("");
  const [imageAssignments, setImageAssignments] = useState<Record<string, string>>({});
  const [imagePlacements, setImagePlacements] = useState<Record<string, AgentPsdImagePlacement>>({});
  const [imageSizes, setImageSizes] = useState<Record<string, AgentPsdImageSize>>({});
  const [textAssignments, setTextAssignments] = useState<Record<string, string>>({});
  const [textColorAssignments, setTextColorAssignments] = useState<Record<string, string>>({});
  const [uploadingSlotId, setUploadingSlotId] = useState<string | null>(null);
  const [isRendering, setIsRendering] = useState(false);
  const [renderedResultUrl, setRenderedResultUrl] = useState<string>("");
  const [rightPanelView, setRightPanelView] = useState<"editor" | "export">("editor");
  const [stageScale, setStageScale] = useState(1);

  const previewViewportRef = useRef<HTMLDivElement | null>(null);
  const uploadInputRef = useRef<HTMLInputElement | null>(null);
  const inlineTextEditorRef = useRef<HTMLTextAreaElement | null>(null);
  const imageDragStateRef = useRef<{
    layerId: string;
    pointerId: number;
    startClientX: number;
    startClientY: number;
    startPlacement: AgentPsdImagePlacement;
  } | null>(null);

  const selectedTemplate = useMemo(
    () => templates.find((template) => template.id === selectedTemplateId) || null,
    [selectedTemplateId, templates]
  );
  const shouldGroupTemplatesBySecondaryCategory = useMemo(
    () =>
      secondaryCategoryConfig.enabled &&
      templates.some((template) => Boolean(String(template.secondaryCategory || "").trim())),
    [secondaryCategoryConfig.enabled, templates]
  );
  const groupedTemplates = useMemo(() => {
    if (!shouldGroupTemplatesBySecondaryCategory) {
      return [] as Array<{ label: string; templates: AgentPsdTemplate[] }>;
    }

    const groups = new Map<string, AgentPsdTemplate[]>();
    for (const template of templates) {
      const groupLabel = String(template.secondaryCategory || "").trim() || "未分组";
      const currentGroup = groups.get(groupLabel) || [];
      currentGroup.push(template);
      groups.set(groupLabel, currentGroup);
    }

    return Array.from(groups.entries()).map(([label, grouped]) => ({
      label,
      templates: grouped,
    }));
  }, [shouldGroupTemplatesBySecondaryCategory, templates]);
  const selectedTemplateLayers = useMemo(() => {
    if (!selectedTemplate || !Array.isArray(selectedTemplate.layers)) {
      return [] as AgentPsdTemplateLayerSlot[];
    }
    return selectedTemplate.layers;
  }, [selectedTemplate]);

  const editableImageLayers = useMemo(
    () =>
      selectedTemplateLayers.filter(
        (layer): layer is AgentPsdTemplateImageLayerSlot =>
          layer.isEditable && isAgentPsdImageLayerSlot(layer)
      ),
    [selectedTemplateLayers]
  );
  const editableTextLayers = useMemo(
    () =>
      selectedTemplateLayers.filter(
        (layer): layer is AgentPsdTemplateTextLayerSlot =>
          layer.isEditable && isAgentPsdTextLayerSlot(layer)
      ),
    [selectedTemplateLayers]
  );
  const fixedLayerCount = useMemo(() => {
    if (!selectedTemplate) return 0;
    return selectedTemplateLayers.filter((layer) => !layer.isEditable).length;
  }, [selectedTemplate, selectedTemplateLayers]);
  const orderedPreviewLayers = useMemo(
    () => [...selectedTemplateLayers].reverse(),
    [selectedTemplateLayers]
  );
  const orderedEditableLayers = useMemo(
    () => orderedPreviewLayers.filter((layer) => layer.isEditable),
    [orderedPreviewLayers]
  );
  const orderedEditableImageLayers = useMemo(
    () =>
      orderedEditableLayers.filter(
        (layer): layer is AgentPsdTemplateImageLayerSlot => isAgentPsdImageLayerSlot(layer)
      ),
    [orderedEditableLayers]
  );
  const orderedEditableTextLayers = useMemo(
    () =>
      orderedEditableLayers.filter(
        (layer): layer is AgentPsdTemplateTextLayerSlot => isAgentPsdTextLayerSlot(layer)
      ),
    [orderedEditableLayers]
  );
  const shouldShowCompositeFallback = useMemo(
    () => orderedPreviewLayers.some((layer) => !String(layer.sourceUrl || "").trim()),
    [orderedPreviewLayers]
  );

  const effectiveImageAssignments = useMemo(() => {
    const nextAssignments: Record<string, string> = {};
    if (!selectedTemplate) {
      return nextAssignments;
    }

    for (const layer of editableImageLayers) {
      const explicit = String(imageAssignments[layer.id] || "").trim();
      if (explicit) {
        nextAssignments[layer.id] = explicit;
        continue;
      }

      if (layer.isDefaultResultSource && sourceImageUrl?.trim()) {
        nextAssignments[layer.id] = sourceImageUrl.trim();
      }
    }

    return nextAssignments;
  }, [editableImageLayers, imageAssignments, selectedTemplate, sourceImageUrl]);

  const effectiveTextAssignments = useMemo(() => {
    const nextAssignments: Record<string, string> = {};
    if (!selectedTemplate) {
      return nextAssignments;
    }

    for (const layer of editableTextLayers) {
      const explicit = textAssignments[layer.id];
      nextAssignments[layer.id] =
        typeof explicit === "string" ? explicit : String(layer.defaultText || "");
    }

    return nextAssignments;
  }, [editableTextLayers, selectedTemplate, textAssignments]);
  const effectiveTextColorAssignments = useMemo(() => {
    const nextAssignments: Record<string, string> = {};
    if (!selectedTemplate) {
      return nextAssignments;
    }

    for (const layer of editableTextLayers) {
      nextAssignments[layer.id] = getResolvedTextLayerColor(
        layer,
        textColorAssignments[layer.id]
      );
    }

    return nextAssignments;
  }, [editableTextLayers, selectedTemplate, textColorAssignments]);

  const effectiveImagePlacements = useMemo(() => {
    const nextPlacements: Record<string, AgentPsdImagePlacement> = {};
    if (!selectedTemplate) {
      return nextPlacements;
    }

    for (const layer of editableImageLayers) {
      if (!String(effectiveImageAssignments[layer.id] || "").trim()) {
        continue;
      }
      nextPlacements[layer.id] = normalizeAgentPsdImagePlacement(imagePlacements[layer.id]);
    }

    return nextPlacements;
  }, [editableImageLayers, effectiveImageAssignments, imagePlacements, selectedTemplate]);

  const selectedLayer = useMemo(
    () => selectedTemplateLayers.find((layer) => layer.id === selectedLayerId) || null,
    [selectedLayerId, selectedTemplateLayers]
  );
  const selectedImageLayer = selectedLayer && isAgentPsdImageLayerSlot(selectedLayer) ? selectedLayer : null;
  const selectedTextLayer = selectedLayer && isAgentPsdTextLayerSlot(selectedLayer) ? selectedLayer : null;
  const selectedImagePlacement = selectedImageLayer
    ? normalizeAgentPsdImagePlacement(effectiveImagePlacements[selectedImageLayer.id])
    : getDefaultAgentPsdImagePlacement();
  const selectedTextColor = selectedTextLayer
    ? effectiveTextColorAssignments[selectedTextLayer.id] || selectedTextLayer.textColor
    : "#111111";
  const fontFaceCss = useMemo(() => buildPreviewFontFaces(selectedTemplate), [selectedTemplate]);
  const selectedTemplateSelectValue = selectedTemplate?.id;
  const hasTemplateOptions = templates.length > 0;

  useEffect(() => {
    if (!open) return;

    if (templates.length === 0) {
      if (selectedTemplateId) {
        setSelectedTemplateId("");
      }
      setSelectedLayerId("");
      return;
    }

    if (!templates.some((template) => template.id === selectedTemplateId)) {
      setSelectedTemplateId(templates[0].id);
    }
  }, [open, selectedTemplateId, templates]);

  useEffect(() => {
    if (!open) return;
    setRenderedResultUrl("");
    setRightPanelView("editor");
    const initialState = createInitialState(selectedTemplate, sourceImageUrl || "");
    setImageAssignments(initialState.imageAssignments);
    setImagePlacements(initialState.imagePlacements);
    setTextAssignments(initialState.textAssignments);
    setTextColorAssignments({});
    setSelectedLayerId(getPreferredSelectedLayerId(selectedTemplate));

    if (!selectedTemplate || typeof window === "undefined") {
      return;
    }

    // 自动适配缩放比例（延迟执行确保 DOM 已渲染）
    const timeoutId = window.setTimeout(() => {
      if (previewViewportRef.current) {
        const viewport = previewViewportRef.current;
        const padding = 32;
        const availableWidth = viewport.clientWidth - padding;
        const availableHeight = viewport.clientHeight - padding;

        if (availableWidth > 0 && availableHeight > 0) {
          const scaleX = availableWidth / selectedTemplate.width;
          const scaleY = availableHeight / selectedTemplate.height;
          const fitScale = Math.min(scaleX, scaleY, 1);
          setStageScale(fitScale);
        }
      }
    }, 100);

    return () => {
      window.clearTimeout(timeoutId);
    };
  }, [open, selectedTemplate, sourceImageUrl]);

  useEffect(() => {
    if (!selectedTemplate) {
      setImageSizes((current) => {
        if (Object.keys(current).length === 0) {
          return current;
        }
        return {};
      });
      return;
    }
    if (typeof window === "undefined" || typeof window.Image !== "function") {
      return;
    }

    let cancelled = false;
    for (const layer of editableImageLayers) {
      const assignedUrl = String(effectiveImageAssignments[layer.id] || "").trim();
      if (!assignedUrl) {
        continue;
      }

      const currentSize = imageSizes[layer.id];
      if (currentSize && currentSize.width > 0 && currentSize.height > 0) {
        continue;
      }

      const image = new window.Image();
      image.onload = () => {
        if (cancelled) return;
        const nextWidth = Math.max(1, image.naturalWidth || layer.width);
        const nextHeight = Math.max(1, image.naturalHeight || layer.height);
        setImageSizes((current) => {
          if (
            current[layer.id]?.width === nextWidth &&
            current[layer.id]?.height === nextHeight
          ) {
            return current;
          }

          return {
            ...current,
            [layer.id]: {
              width: nextWidth,
              height: nextHeight,
            },
          };
        });
      };
      image.src = assignedUrl;
    }

    return () => {
      cancelled = true;
    };
  }, [editableImageLayers, effectiveImageAssignments, imageSizes, selectedTemplate]);

  useEffect(() => {
    if (!selectedTemplate) {
      setStageScale(1);
      return;
    }

    const element = previewViewportRef.current;
    if (!element) return;

    const updateScale = () => {
      const rect = element.getBoundingClientRect();
      const availableWidth = Math.max(
        240,
        Math.min(PREVIEW_STAGE_TARGET_WIDTH, rect.width - PREVIEW_VIEWPORT_PADDING)
      );
      const availableHeight = Math.max(
        240,
        Math.min(PREVIEW_STAGE_TARGET_HEIGHT, rect.height - PREVIEW_VIEWPORT_PADDING)
      );
      const nextScale = Math.min(
        availableWidth / Math.max(1, selectedTemplate.width),
        availableHeight / Math.max(1, selectedTemplate.height),
        PREVIEW_STAGE_MAX_SCALE
      );
      setStageScale(Number.isFinite(nextScale) && nextScale > 0 ? nextScale : 1);
    };

    updateScale();
    let animationFrameId: number | null = null;
    const scheduleScaleUpdate = () => {
      if (typeof window !== "undefined" && typeof window.requestAnimationFrame === "function") {
        if (animationFrameId !== null) {
          window.cancelAnimationFrame(animationFrameId);
        }
        animationFrameId = window.requestAnimationFrame(() => {
          animationFrameId = null;
          updateScale();
        });
        return;
      }

      updateScale();
    };

    if (typeof ResizeObserver !== "undefined") {
      const observer = new ResizeObserver(scheduleScaleUpdate);
      observer.observe(element);
      return () => {
        observer.disconnect();
        if (animationFrameId !== null && typeof window !== "undefined") {
          window.cancelAnimationFrame(animationFrameId);
        }
      };
    }

    if (typeof window !== "undefined") {
      window.addEventListener("resize", scheduleScaleUpdate);
    }

    return () => {
      if (typeof window !== "undefined") {
        window.removeEventListener("resize", scheduleScaleUpdate);
        if (animationFrameId !== null) {
          window.cancelAnimationFrame(animationFrameId);
        }
      }
    };
  }, [selectedTemplate]);

  useEffect(() => {
    if (!selectedTextLayer) {
      return;
    }

    const textarea = inlineTextEditorRef.current;
    if (!textarea) {
      return;
    }

    const focusTextarea = () => {
      textarea.focus();
      const valueLength = textarea.value.length;
      try {
        textarea.setSelectionRange(valueLength, valueLength);
      } catch (error) {
        console.warn("[AgentPsdTemplateEditorDialog] setSelectionRange failed:", error);
      }
    };

    if (typeof window !== "undefined" && typeof window.requestAnimationFrame === "function") {
      const frameId = window.requestAnimationFrame(focusTextarea);
      return () => {
        window.cancelAnimationFrame(frameId);
      };
    }

    const timeoutId = window.setTimeout(focusTextarea, 0);
    return () => {
      window.clearTimeout(timeoutId);
    };
  }, [selectedTextLayer?.id]);

  async function handleSlotUpload(slotId: string, event: ChangeEvent<HTMLInputElement>) {
    const file = event.target.files?.[0];
    if (!file) return;

    try {
      setUploadingSlotId(slotId);
      const formData = new FormData();
      formData.set("file", file);
      const response = await fetchUploadWithRetry(formData);
      const payload = await response.json();

      if (!response.ok || !payload.url) {
        throw new Error(payload.error || "图片上传失败");
      }

      setImageAssignments((current) => ({
        ...current,
        [slotId]: payload.url,
      }));
      setImagePlacements((current) => ({
        ...current,
        [slotId]: getDefaultAgentPsdImagePlacement(),
      }));
      setImageSizes((current) => {
        const next = { ...current };
        delete next[slotId];
        return next;
      });
      toast.success("替换图片已上传");
    } catch (error) {
      toast.error(error instanceof Error ? error.message : "素材上传失败");
    } finally {
      setUploadingSlotId(null);
      event.target.value = "";
    }
  }

  function openImageUpload(slotId: string) {
    setSelectedLayerId(slotId);
    if (uploadInputRef.current) {
      uploadInputRef.current.value = "";
      uploadInputRef.current.click();
    }
  }

  function updateImagePlacement(
    layerId: string,
    updater: (current: AgentPsdImagePlacement) => AgentPsdImagePlacement
  ) {
    setImagePlacements((current) => ({
      ...current,
      [layerId]: normalizeAgentPsdImagePlacement(updater(normalizeAgentPsdImagePlacement(current[layerId]))),
    }));
  }

  function nudgeImageScale(layerId: string, delta: number) {
    updateImagePlacement(layerId, (current) => ({
      ...current,
      scale: Number(clampImageScale(current.scale + delta).toFixed(2)),
    }));
  }

  function resetImagePlacement(layerId: string) {
    setImagePlacements((current) => ({
      ...current,
      [layerId]: getDefaultAgentPsdImagePlacement(),
    }));
  }

  function handleImageDragStart(
    layer: AgentPsdTemplateImageLayerSlot,
    event: ReactPointerEvent<HTMLDivElement>
  ) {
    if (!String(effectiveImageAssignments[layer.id] || "").trim()) {
      return;
    }

    imageDragStateRef.current = {
      layerId: layer.id,
      pointerId: event.pointerId,
      startClientX: event.clientX,
      startClientY: event.clientY,
      startPlacement: normalizeAgentPsdImagePlacement(effectiveImagePlacements[layer.id]),
    };

    const nextTarget = event.currentTarget;
    try {
      nextTarget.setPointerCapture?.(event.pointerId);
    } catch (error) {
      console.warn("[AgentPsdTemplateEditorDialog] setPointerCapture failed:", error);
    }

    const handlePointerMove = (moveEvent: PointerEvent) => {
      const dragState = imageDragStateRef.current;
      if (!dragState || dragState.layerId !== layer.id) {
        return;
      }

      updateImagePlacement(layer.id, () => ({
        ...dragState.startPlacement,
        offsetX: dragState.startPlacement.offsetX + (moveEvent.clientX - dragState.startClientX) / stageScale,
        offsetY: dragState.startPlacement.offsetY + (moveEvent.clientY - dragState.startClientY) / stageScale,
      }));
    };

    const handlePointerUp = (upEvent: PointerEvent) => {
      if (imageDragStateRef.current?.pointerId === upEvent.pointerId) {
        imageDragStateRef.current = null;
      }
      window.removeEventListener("pointermove", handlePointerMove);
      window.removeEventListener("pointerup", handlePointerUp);
      window.removeEventListener("pointercancel", handlePointerUp);
    };

    window.addEventListener("pointermove", handlePointerMove);
    window.addEventListener("pointerup", handlePointerUp);
    window.addEventListener("pointercancel", handlePointerUp);
  }

  async function handleRender() {
    if (!selectedTemplate) {
      toast.error("请先选择 PSD 模板");
      return;
    }

    try {
      setIsRendering(true);
      const response = await fetch("/api/psd-templates/render", {
        method: "POST",
        headers: {
          "Content-Type": "application/json",
        },
        body: JSON.stringify({
          templateId: selectedTemplate.id,
          sourceImageUrl: sourceImageUrl || "",
          imageAssignments: effectiveImageAssignments,
          imagePlacements: effectiveImagePlacements,
          textAssignments: effectiveTextAssignments,
          textColorAssignments: effectiveTextColorAssignments,
        }),
      });

      const payload = (await response.json()) as AgentPsdTemplateRenderResponse;
      if (!response.ok || !payload.success || !payload.result?.url) {
        throw new Error(payload.error || "PSD 模板渲染失败");
      }

      setRenderedResultUrl(payload.result.url);
      setRightPanelView("export");
      toast.success("模板替换结果已生成");
    } catch (error) {
      toast.error(error instanceof Error ? error.message : "PSD 模板渲染失败");
    } finally {
      setIsRendering(false);
    }
  }

  function handleDownload() {
    if (!renderedResultUrl) return;
    window.open(renderedResultUrl, "_blank", "noopener,noreferrer");
  }

  return (
    <>
      <style dangerouslySetInnerHTML={{__html: `
        .psd-preview-viewport::-webkit-scrollbar {
          width: 8px;
          height: 8px;
        }
        .psd-preview-viewport::-webkit-scrollbar-track {
          background: transparent;
        }
        .psd-preview-viewport::-webkit-scrollbar-thumb {
          background: rgba(255, 255, 255, 0.2);
          border-radius: 4px;
        }
        .psd-preview-viewport::-webkit-scrollbar-thumb:hover {
          background: rgba(255, 255, 255, 0.3);
        }
      `}} />
      <Dialog open={open} onOpenChange={onOpenChange}>
      <DialogContent
        overlayClassName="bg-black/85 backdrop-blur-sm"
        className="flex h-[96vh] w-[96vw] max-w-[1700px] flex-col overflow-hidden border border-white/10 bg-[#09090b] p-0 text-white shadow-[0_30px_120px_rgba(0,0,0,0.65)]"
      >
        {fontFaceCss ? <style>{fontFaceCss}</style> : null}

        <div className="grid min-h-0 flex-1 grid-cols-1 overflow-hidden xl:grid-cols-[300px_minmax(0,1fr)_380px]">
          <div className="min-h-0 border-b border-white/10 bg-[#09090b] p-5 xl:border-b-0 xl:border-r">
            <ScrollArea className="h-full pr-4">
              <div className="space-y-4">
                <div className="space-y-2">
                  <Label>选择模板</Label>
                  {hasTemplateOptions ? (
                    <Select value={selectedTemplateSelectValue} onValueChange={setSelectedTemplateId}>
                      <SelectTrigger className="h-[68px] items-center">
                        {selectedTemplate ? (
                          <span className="flex min-w-0 items-center gap-3">
                            <span className="flex h-12 w-12 shrink-0 overflow-hidden rounded-xl border border-white/10 bg-white/5">
                              <img
                                src={selectedTemplate.previewUrl}
                                alt={selectedTemplate.name}
                                className="h-full w-full object-cover"
                              />
                            </span>
                            <span className="flex min-w-0 flex-col justify-center text-left leading-tight">
                              {shouldGroupTemplatesBySecondaryCategory &&
                              selectedTemplate.secondaryCategory ? (
                                <span className="block truncate text-[11px] text-white/50">
                                  {selectedTemplate.secondaryCategory}
                                </span>
                              ) : null}
                              <span className="block truncate text-base font-medium">
                                {selectedTemplate.name}
                              </span>
                            </span>
                          </span>
                        ) : (
                          <SelectValue placeholder={isLoading ? "加载模板中..." : "请选择模板"} />
                        )}
                      </SelectTrigger>
                      <SelectContent>
                        {shouldGroupTemplatesBySecondaryCategory
                          ? groupedTemplates.map((group) => (
                              <SelectGroup key={`psd-template-group-${group.label}`}>
                                <SelectLabel>{group.label}</SelectLabel>
                                {group.templates.map((template) => (
                                  <SelectItem
                                    key={template.id}
                                    value={template.id}
                                    className="py-2.5 pr-3"
                                  >
                                    <span className="flex items-center gap-3">
                                      <span className="flex h-12 w-12 shrink-0 overflow-hidden rounded-lg border border-black/10 bg-black/5">
                                        <img
                                          src={template.previewUrl}
                                          alt={template.name}
                                          className="h-full w-full object-cover"
                                        />
                                      </span>
                                      <span className="min-w-0 truncate text-sm font-medium">
                                        {template.name}
                                      </span>
                                    </span>
                                  </SelectItem>
                                ))}
                              </SelectGroup>
                            ))
                          : templates.map((template) => (
                              <SelectItem
                                key={template.id}
                                value={template.id}
                                className="py-2.5 pr-3"
                              >
                                <span className="flex items-center gap-3">
                                  <span className="flex h-12 w-12 shrink-0 overflow-hidden rounded-lg border border-black/10 bg-black/5">
                                    <img
                                      src={template.previewUrl}
                                      alt={template.name}
                                      className="h-full w-full object-cover"
                                    />
                                  </span>
                                  <span className="min-w-0 truncate text-sm font-medium">
                                    {template.name}
                                  </span>
                                </span>
                              </SelectItem>
                            ))}
                      </SelectContent>
                    </Select>
                  ) : (
                    <div className="rounded-xl border border-dashed border-white/15 bg-white/[0.02] px-3 py-2 text-sm text-muted-foreground">
                      {isLoading
                        ? "正在加载可用模板..."
                        : normalizedBrandName
                          ? `当前品牌“${normalizedBrandName}”下暂无可用模板`
                          : "请先在工作流中选择品牌后再打开 PSD 模板。"}
                    </div>
                  )}
                </div>

                {selectedTemplate ? (
                  <>
                    <div className="mx-auto w-full max-w-[220px] overflow-hidden rounded-2xl border border-white/10 bg-white/5">
                      <div
                        style={{
                          aspectRatio: `${Math.max(1, selectedTemplate.width)} / ${Math.max(1, selectedTemplate.height)}`,
                        }}
                      >
                        <img
                          src={selectedTemplate.previewUrl}
                          alt={selectedTemplate.name}
                          className="h-full w-full object-contain"
                        />
                      </div>
                    </div>

                    <div className="flex flex-wrap items-center gap-2">
                      <Badge variant="secondary">{selectedTemplate.brandName}</Badge>
                      <Badge variant="secondary">
                        {selectedTemplate.width} x {selectedTemplate.height}
                      </Badge>
                      <Badge variant="outline">{editableImageLayers.length} 个可替换图片</Badge>
                      <Badge variant="outline">{editableTextLayers.length} 个可编辑文字</Badge>
                      {fixedLayerCount > 0 ? (
                        <Badge variant="outline">{fixedLayerCount} 个固定图层</Badge>
                      ) : null}
                    </div>

                    <Button
                      onClick={handleRender}
                      disabled={isRendering}
                      className="w-full bg-gradient-to-r from-orange-600 to-rose-600 hover:from-orange-500 hover:to-rose-500"
                    >
                      {isRendering ? (
                        <Loader2 className="mr-2 h-4 w-4 animate-spin" />
                      ) : (
                        <Sparkles className="mr-2 h-4 w-4" />
                      )}
                      应用模板并导出
                    </Button>
                  </>
                ) : (
                  <div className="rounded-2xl border border-dashed border-white/15 p-5 text-sm text-muted-foreground">
                    {isLoading
                      ? "正在加载可用模板..."
                      : normalizedBrandName
                        ? `当前品牌“${normalizedBrandName}”下还没有可用 PSD 模板，请先去后台配置。`
                        : "当前还没有启用的 PSD 模板，请先去后台配置。"}
                  </div>
                )}
              </div>
            </ScrollArea>
          </div>

          <div className="flex min-h-0 flex-col border-b border-white/10 bg-[#09090b] p-5 xl:border-b-0 xl:border-r">
            <div
              ref={previewViewportRef}
              className="psd-preview-viewport relative flex min-h-0 flex-1 items-center justify-center overflow-auto rounded-2xl border border-white/10 bg-[#111114] p-4"
            >
              {selectedTemplate ? (
                <div
                  className="relative shrink-0"
                  style={{
                    width: selectedTemplate.width * stageScale,
                    height: selectedTemplate.height * stageScale,
                  }}
                >
                  <div
                    className="absolute left-0 top-0 overflow-hidden rounded-[20px] shadow-2xl"
                    style={{
                      width: selectedTemplate.width,
                      height: selectedTemplate.height,
                      transform: `scale(${stageScale})`,
                      transformOrigin: "top left",
                    }}
                  >
                    {shouldShowCompositeFallback ? (
                      <img
                        src={selectedTemplate.renderBaseUrl || selectedTemplate.previewUrl}
                        alt={`${selectedTemplate.name} 编辑底图`}
                        className="absolute inset-0 h-full w-full object-cover"
                      />
                    ) : null}

                    <div className="pointer-events-none absolute inset-0">
                      {orderedPreviewLayers.map((layer) => {
                        const layerBoxStyle = {
                          left: layer.x,
                          top: layer.y,
                          width: layer.width,
                          height: layer.height,
                        } satisfies CSSProperties;

                        if (isAgentPsdImageLayerSlot(layer)) {
                          const assignedUrl = effectiveImageAssignments[layer.id];
                          const layerImageUrl = assignedUrl || layer.sourceUrl;
                          if (!layerImageUrl) {
                            return null;
                          }
                          const assignedImageContainerStyle = assignedUrl
                            ? {
                                ...layerBoxStyle,
                                ...getAssignedImageMaskStyle(layer),
                              }
                            : layerBoxStyle;

                          return (
                            <div
                              key={layer.id}
                              className="absolute overflow-hidden"
                              style={assignedImageContainerStyle}
                            >
                              <img
                                src={layerImageUrl}
                                alt={layer.layerName}
                                className={assignedUrl ? "" : "h-full w-full"}
                                style={
                                  assignedUrl && imageSizes[layer.id]
                                    ? getPlacedAssignedImageStyle({
                                        layer,
                                        imageSize: imageSizes[layer.id],
                                        placement: effectiveImagePlacements[layer.id],
                                      })
                                    : assignedUrl
                                      ? {
                                          width: "100%",
                                          height: "100%",
                                          objectFit: getImageFit(layer.replaceMode),
                                        }
                                      : {
                                          width: "100%",
                                          height: "100%",
                                          objectFit: "fill",
                                        }
                                }
                              />
                            </div>
                          );
                        }

                        const isSelected = selectedLayerId === layer.id;
                        if (isSelected) {
                          return null;
                        }

                        const value = effectiveTextAssignments[layer.id] || "";
                        const resolvedTextColor = effectiveTextColorAssignments[layer.id] || layer.textColor;
                        const shouldUseEditedPreview = hasCustomizedTextLayerAppearance(
                          layer,
                          value,
                          resolvedTextColor
                        );

                        if (!shouldUseEditedPreview && layer.sourceUrl) {
                          return (
                            <div
                              key={layer.id}
                              className="absolute overflow-hidden"
                              style={layerBoxStyle}
                            >
                              <img
                                src={layer.sourceUrl}
                                alt={layer.layerName}
                                className="h-full w-full object-fill"
                              />
                            </div>
                          );
                        }

                        if (!value && !layer.placeholder) {
                          return null;
                        }

                        const textFrame = getTextLayerRenderFrame(
                          layer,
                          value || layer.placeholder || layer.layerName
                        );

                        return (
                          <div
                            key={layer.id}
                            className="absolute overflow-visible"
                            style={{
                              left: layer.x + textFrame.offsetX,
                              top: layer.y + textFrame.offsetY,
                              width: textFrame.width,
                              height: textFrame.height,
                            }}
                          >
                            <div
                              className="whitespace-pre"
                              style={getTextLayerContentStyle(
                                layer,
                                value || layer.placeholder || layer.layerName,
                                resolvedTextColor
                              )}
                            >
                              {value || layer.placeholder || layer.layerName}
                            </div>
                          </div>
                        );
                      })}
                    </div>

                    <div className="absolute inset-0">
                      {orderedEditableImageLayers.map((layer) => {
                        const isSelected = selectedLayerId === layer.id;
                        const frameStyle = getLayerFrameStyle(layer, isSelected);
                        const hasAssignedImage = Boolean(
                          String(effectiveImageAssignments[layer.id] || "").trim()
                        );

                        return isSelected && hasAssignedImage ? (
                          <div
                            key={layer.id}
                            role="button"
                            tabIndex={0}
                            onClick={() => setSelectedLayerId(layer.id)}
                            onPointerDown={(event) => handleImageDragStart(layer, event)}
                            className="absolute overflow-hidden rounded-lg transition-all"
                            style={{
                              ...frameStyle,
                              zIndex: 20,
                              background: "rgba(249,115,22,0.08)",
                              cursor: imageDragStateRef.current?.layerId === layer.id ? "grabbing" : "grab",
                              touchAction: "none",
                            }}
                            aria-label={`${getLayerLabel(layer)} ${layer.layerName}`}
                            title={`${getLayerLabel(layer)}：${layer.layerName}`}
                          >
                            <div className="absolute left-2 top-2 rounded-full bg-black/70 px-2 py-1 text-[11px] text-white">
                              {layer.layerName}
                            </div>
                            <div className="pointer-events-none absolute bottom-2 right-2 flex items-center gap-1 rounded-full bg-orange-500/85 px-2 py-1 text-[11px] text-white">
                              <Move className="h-3 w-3" />
                              拖动调整
                            </div>
                          </div>
                        ) : (
                          <button
                            key={layer.id}
                            type="button"
                            onClick={() => setSelectedLayerId(layer.id)}
                            className="absolute overflow-hidden rounded-lg transition-all"
                            style={{
                              ...frameStyle,
                              zIndex: isSelected ? 20 : 10,
                              background: isSelected ? "rgba(249,115,22,0.08)" : "transparent",
                            }}
                            aria-label={`${getLayerLabel(layer)} ${layer.layerName}`}
                            title={`${getLayerLabel(layer)}：${layer.layerName}`}
                          >
                            <div className="absolute left-2 top-2 rounded-full bg-black/70 px-2 py-1 text-[11px] text-white">
                              {layer.layerName}
                            </div>

                            {!hasAssignedImage ? (
                              <div className="pointer-events-none absolute bottom-2 right-2 rounded-full bg-orange-500/85 px-2 py-1 text-[11px] text-white">
                                点击替换图片
                              </div>
                            ) : null}
                          </button>
                        );
                      })}

                      {orderedEditableImageLayers.map((layer) => {
                        const isSelected = selectedLayerId === layer.id;
                        const hasAssignedImage = Boolean(
                          String(effectiveImageAssignments[layer.id] || "").trim()
                        );
                        if (!isSelected || !hasAssignedImage) {
                          return null;
                        }

                        return (
                          <div
                            key={`${layer.id}-controls`}
                            className="absolute flex items-center gap-1 rounded-full bg-black/72 p-1 text-white shadow-lg"
                            style={{
                              left: layer.x + layer.width - 112,
                              top: Math.max(8, layer.y - 40),
                              zIndex: 25,
                            }}
                          >
                            <button
                              type="button"
                              className="rounded-full p-1.5 transition hover:bg-white/10"
                              onClick={() => nudgeImageScale(layer.id, -0.1)}
                              aria-label="缩小图片"
                              title="缩小"
                            >
                              <ZoomOut className="h-3.5 w-3.5" />
                            </button>
                            <button
                              type="button"
                              className="rounded-full p-1.5 transition hover:bg-white/10"
                              onClick={() => nudgeImageScale(layer.id, 0.1)}
                              aria-label="放大图片"
                              title="放大"
                            >
                              <ZoomIn className="h-3.5 w-3.5" />
                            </button>
                            <button
                              type="button"
                              className="rounded-full p-1.5 transition hover:bg-white/10"
                              onClick={() => resetImagePlacement(layer.id)}
                              aria-label="重置图片位置和缩放"
                              title="重置"
                            >
                              <RefreshCcw className="h-3.5 w-3.5" />
                            </button>
                          </div>
                        );
                      })}

                      {orderedEditableTextLayers.map((layer) => {
                        const isSelected = selectedLayerId === layer.id;
                        const frameStyle = getLayerFrameStyle(layer, isSelected);
                        const currentValue = effectiveTextAssignments[layer.id] || "";
                        const resolvedTextColor =
                          effectiveTextColorAssignments[layer.id] || layer.textColor;
                        const preserveSourceAppearance =
                          !!layer.sourceUrl &&
                          !hasCustomizedTextLayerAppearance(layer, currentValue, resolvedTextColor);
                        const editedTextFrame = getTextLayerRenderFrame(layer, currentValue);

                        if (isSelected) {
                          return (
                            <div
                              key={layer.id}
                              className="absolute overflow-visible rounded-lg"
                              style={{
                                ...frameStyle,
                                zIndex: 40,
                                background: preserveSourceAppearance
                                  ? "transparent"
                                  : "rgba(56,189,248,0.08)",
                              }}
                            >
                              {preserveSourceAppearance && layer.sourceUrl ? (
                                <img
                                  src={layer.sourceUrl}
                                  alt={layer.layerName}
                                  className="pointer-events-none absolute inset-0 h-full w-full object-fill"
                                />
                              ) : null}
                              <div
                                className="absolute"
                                style={
                                  preserveSourceAppearance
                                    ? { inset: 0 }
                                    : {
                                        left: editedTextFrame.offsetX,
                                        top: editedTextFrame.offsetY,
                                        width: editedTextFrame.width,
                                        height: editedTextFrame.height,
                                      }
                                }
                              >
                                <textarea
                                  ref={inlineTextEditorRef}
                                  wrap="off"
                                  value={currentValue}
                                  onChange={(event) =>
                                    setTextAssignments((current) => ({
                                      ...current,
                                      [layer.id]: event.target.value,
                                    }))
                                  }
                                  className="resize-none border-none bg-transparent outline-none"
                                  style={getInlineTextEditorStyle(
                                    layer,
                                    preserveSourceAppearance,
                                    currentValue,
                                    resolvedTextColor
                                  )}
                                />
                              </div>
                              <div className={getTextLayerNameBadgeClassName()}>
                                {layer.layerName}
                              </div>
                            </div>
                          );
                        }

                        return (
                          <button
                            key={layer.id}
                            type="button"
                            onClick={() => setSelectedLayerId(layer.id)}
                            onDoubleClick={() => setSelectedLayerId(layer.id)}
                            className="absolute overflow-visible rounded-lg transition-all"
                            style={{
                              ...frameStyle,
                              zIndex: isSelected ? 40 : 30,
                              background: isSelected ? "rgba(56,189,248,0.05)" : "transparent",
                            }}
                            aria-label={`${getLayerLabel(layer)} ${layer.layerName}`}
                            title={`${getLayerLabel(layer)}：${layer.layerName}`}
                          >
                            <div className={getTextLayerNameBadgeClassName()}>
                              {layer.layerName}
                            </div>

                            <div className={getTextLayerHintBadgeClassName()}>
                              点击编辑文字
                            </div>
                          </button>
                        );
                      })}
                    </div>
                  </div>
                </div>
              ) : (
                <div className="flex h-full w-full items-center justify-center px-6 text-center text-sm text-muted-foreground">
                  {normalizedBrandName
                    ? "请选择一个模板后开始直接在模板中编辑。"
                    : "请先返回工作流区域选择品牌，再打开 PSD 模板。"}
                </div>
              )}
            </div>
          </div>

          <div className="flex min-h-0 flex-col bg-[#09090b] p-4 xl:p-5">
            {renderedResultUrl ? (
              <div className="mb-3 flex items-center justify-end gap-3">
                <div className="inline-flex rounded-full border border-white/10 bg-white/[0.03] p-1">
                  <button
                    type="button"
                    onClick={() => setRightPanelView("editor")}
                    className={`rounded-full px-3 py-1.5 text-xs font-medium transition ${
                      rightPanelView === "editor"
                        ? "bg-emerald-500/[0.16] text-emerald-100"
                        : "text-white/60 hover:text-white"
                    }`}
                  >
                    编辑面板
                  </button>
                  <button
                    type="button"
                    onClick={() => setRightPanelView("export")}
                    className={`rounded-full px-3 py-1.5 text-xs font-medium transition ${
                      rightPanelView === "export"
                        ? "bg-emerald-500/[0.16] text-emerald-100"
                        : "text-white/60 hover:text-white"
                    }`}
                  >
                    导出结果
                  </button>
                </div>
              </div>
            ) : null}

            <Input
              ref={uploadInputRef}
              type="file"
              accept="image/png,image/jpeg,image/webp"
              className="hidden"
              onChange={(event) => {
                if (!selectedImageLayer) return;
                void handleSlotUpload(selectedImageLayer.id, event);
              }}
            />

            {renderedResultUrl && rightPanelView === "export" ? (
              <div className="flex min-h-0 flex-1 flex-col rounded-2xl border border-white/10 bg-white/[0.02] p-3.5 xl:p-4">
                <div className="flex h-full min-h-0 flex-col justify-between gap-4">
                  <div className="mx-auto w-full max-w-[230px] overflow-hidden rounded-2xl border border-white/10 bg-white/5">
                    <div
                      style={{
                        aspectRatio: selectedTemplate
                          ? `${Math.max(1, selectedTemplate.width)} / ${Math.max(1, selectedTemplate.height)}`
                          : "1 / 1",
                      }}
                    >
                      <img
                        src={renderedResultUrl}
                        alt="PSD 模板导出结果"
                        className="h-full w-full object-contain"
                      />
                    </div>
                  </div>

                  <Button onClick={handleDownload} className="w-full">
                    <Download className="mr-2 h-4 w-4" />
                    下载结果图
                  </Button>
                </div>
              </div>
            ) : (
              <div className="flex min-h-0 flex-1 flex-col rounded-2xl border border-white/10 bg-white/[0.02] p-3.5 xl:p-4">
                {selectedImageLayer ? (
                  <div className="flex h-full flex-col gap-3">
                    {effectiveImageAssignments[selectedImageLayer.id] ? (
                      <div className="space-y-3 rounded-xl border border-white/10 bg-white/[0.03] p-3">
                        <div className="flex items-center gap-2 text-xs text-muted-foreground">
                          <Move className="h-3.5 w-3.5" />
                          选中画布中的图片后可直接拖动位置
                        </div>
                        <div className="space-y-2">
                          <div className="flex items-center justify-between text-xs text-muted-foreground">
                            <div className="flex items-center gap-2">
                              <ZoomIn className="h-3.5 w-3.5" />
                              缩放
                            </div>
                            <span className="rounded-full border border-emerald-300/35 bg-emerald-500/15 px-2 py-0.5 font-medium text-emerald-100">
                              {Math.round(selectedImagePlacement.scale * 100)}%
                            </span>
                          </div>
                          <div className="rounded-xl border border-white/12 bg-black/45 p-2.5">
                            <div className="grid grid-cols-[34px_minmax(0,1fr)_34px] items-center gap-2">
                              <button
                                type="button"
                                className="flex h-8 w-8 items-center justify-center rounded-full border border-white/18 bg-white/[0.04] text-white transition-colors hover:bg-white/[0.12]"
                                onClick={() => nudgeImageScale(selectedImageLayer.id, -0.05)}
                                aria-label="缩小图片"
                                title="缩小"
                              >
                                <ZoomOut className="h-4 w-4" />
                              </button>
                              <Slider
                                min={MIN_IMAGE_SCALE}
                                max={MAX_IMAGE_SCALE}
                                step={0.01}
                                value={[selectedImagePlacement.scale]}
                                className="py-1"
                                trackClassName="h-2.5 rounded-full border border-white/20 bg-[#0f1014]"
                                rangeClassName="bg-gradient-to-r from-emerald-300 via-green-400 to-teal-400 shadow-[0_0_12px_rgba(16,185,129,0.38)]"
                                thumbClassName="h-5 w-5 border-2 border-emerald-100 bg-[#0a0a0d] shadow-[0_0_0_5px_rgba(16,185,129,0.2)]"
                                onValueChange={(value) => {
                                  const newScale = clampImageScale(value[0] || 1);
                                  updateImagePlacement(selectedImageLayer.id, (current) => ({
                                    ...current,
                                    scale: newScale,
                                  }));
                                }}
                              />
                              <button
                                type="button"
                                className="flex h-8 w-8 items-center justify-center rounded-full border border-white/18 bg-white/[0.04] text-white transition-colors hover:bg-white/[0.12]"
                                onClick={() => nudgeImageScale(selectedImageLayer.id, 0.05)}
                                aria-label="放大图片"
                                title="放大"
                              >
                                <ZoomIn className="h-4 w-4" />
                              </button>
                            </div>
                            <div className="mt-2 flex items-center justify-between px-0.5 text-[10px] text-white/45">
                              <span>40%</span>
                              <span className="text-emerald-200">100%</span>
                              <span>300%</span>
                            </div>
                          </div>
                        </div>
                        <div className="flex flex-wrap gap-2">
                          <Button
                            type="button"
                            variant="ghost"
                            size="sm"
                            onClick={() => resetImagePlacement(selectedImageLayer.id)}
                          >
                            重置位置与缩放
                          </Button>
                        </div>
                      </div>
                    ) : null}
                    <div className="mt-auto flex flex-wrap gap-2">
                      {sourceImageUrl ? (
                        <Button
                          type="button"
                          variant="outline"
                          size="sm"
                          onClick={() => {
                            setImageAssignments((current) => ({
                              ...current,
                              [selectedImageLayer.id]: sourceImageUrl,
                            }));
                            setImagePlacements((current) => ({
                              ...current,
                              [selectedImageLayer.id]: getDefaultAgentPsdImagePlacement(),
                            }));
                            setImageSizes((current) => {
                              const next = { ...current };
                              delete next[selectedImageLayer.id];
                              return next;
                            });
                          }}
                        >
                          使用当前图片
                        </Button>
                      ) : null}
                      <Button
                        type="button"
                        variant="outline"
                        size="sm"
                        disabled={uploadingSlotId === selectedImageLayer.id}
                        onClick={() => openImageUpload(selectedImageLayer.id)}
                      >
                        {uploadingSlotId === selectedImageLayer.id ? (
                          <Loader2 className="mr-2 h-4 w-4 animate-spin" />
                        ) : (
                          <Upload className="mr-2 h-4 w-4" />
                        )}
                        上传替换图片
                      </Button>
                      {effectiveImageAssignments[selectedImageLayer.id] ? (
                        <Button
                          type="button"
                          variant="ghost"
                          size="sm"
                          onClick={() => {
                            setImageAssignments((current) => {
                              const nextAssignments = { ...current };
                              delete nextAssignments[selectedImageLayer.id];
                              return nextAssignments;
                            });
                            setImagePlacements((current) => {
                              const next = { ...current };
                              delete next[selectedImageLayer.id];
                              return next;
                            });
                            setImageSizes((current) => {
                              const next = { ...current };
                              delete next[selectedImageLayer.id];
                              return next;
                            });
                          }}
                        >
                          清空
                        </Button>
                      ) : null}
                    </div>
                  </div>
                ) : selectedTextLayer ? (
                  <div className="flex h-full flex-col gap-3">
                    <Textarea
                      rows={4}
                      value={effectiveTextAssignments[selectedTextLayer.id] || ""}
                      placeholder={selectedTextLayer.placeholder || "请输入文字"}
                      className="min-h-[180px] flex-1 resize-none xl:min-h-[200px]"
                      onChange={(event) =>
                        setTextAssignments((current) => ({
                          ...current,
                          [selectedTextLayer.id]: event.target.value,
                        }))
                      }
                    />
                    <div className="flex flex-wrap gap-2 text-xs text-muted-foreground">
                      <span>字体：{selectedTextLayer.fontLabel || selectedTextLayer.fontFamily || "系统字体"}</span>
                      <span>字号：{selectedTextLayer.fontSize}px</span>
                      <span>行高：{selectedTextLayer.lineHeight}</span>
                      <span>字距：{selectedTextLayer.letterSpacing}px</span>
                    </div>
                    {textColorConfig.enabled ? (
                      <div className="space-y-3 rounded-xl border border-white/10 bg-white/[0.03] p-3">
                        <div className="flex items-center justify-between gap-3">
                          <div>
                            <div className="text-sm font-medium">文字颜色</div>
                            <div className="text-xs text-muted-foreground">
                              当前模板允许在两种系统预设颜色之间切换。
                            </div>
                          </div>
                          <div
                            className="h-8 w-8 rounded-full border border-white/15"
                            style={{ backgroundColor: selectedTextColor }}
                          />
                        </div>
                        <div className="grid grid-cols-2 gap-2">
                          {textColorConfig.colors.map((color, index) => {
                            const isActive =
                              getResolvedTextLayerColor(selectedTextLayer, color) ===
                              getResolvedTextLayerColor(selectedTextLayer, selectedTextColor);
                            return (
                              <button
                                key={`text-color-option-${index + 1}`}
                                type="button"
                                onClick={() =>
                                  setTextColorAssignments((current) => ({
                                    ...current,
                                    [selectedTextLayer.id]: color,
                                  }))
                                }
                                className={`flex items-center gap-3 rounded-xl border px-3 py-3 text-left transition ${
                                  isActive
                                    ? "border-emerald-400/55 bg-emerald-500/[0.12] text-white"
                                    : "border-white/10 bg-white/[0.02] text-white/80 hover:bg-white/[0.06]"
                                }`}
                              >
                                <span
                                  className="h-6 w-6 rounded-full border border-white/20"
                                  style={{ backgroundColor: color }}
                                />
                                <span className="flex min-w-0 flex-col">
                                  <span className="text-xs font-medium">{`颜色 ${index + 1}`}</span>
                                  <span className="font-mono text-[11px] uppercase text-white/55">
                                    {color}
                                  </span>
                                </span>
                              </button>
                            );
                          })}
                        </div>
                      </div>
                    ) : null}
                  </div>
                ) : (
                  <div className="flex min-h-[160px] flex-1 flex-col items-center justify-center text-center">
                    <MousePointerClick className="h-8 w-8 text-white/35" />
                    <div className="mt-3 text-sm font-medium">点模板中的图层开始编辑</div>
                    <div className="mt-2 text-xs leading-6 text-muted-foreground">
                      图片区域可直接替换图片，文字区域可直接改现有文字。
                    </div>
                  </div>
                )}
              </div>
            )}
          </div>
        </div>
      </DialogContent>
    </Dialog>
    </>
  );
}