"use client";

import { motion } from "framer-motion";
import { Play, Copy, Pencil, Sparkles, Trash2, Video, Wand2, FileText, Clock, User } from "lucide-react";
import { cn } from "@/lib/utils";
import {
  getAgentPresetModeTypeFromDefaultParams,
  normalizeAgentPresetModeConfig,
} from "@/lib/agents/preset-mode-config";
import type { AgentPreset } from "@/types/agent";

interface AgentPresetCardDarkProps {
  preset: AgentPreset;
  selected?: boolean;
  onSelect: (presetId: string) => void;
  onFork?: (preset: AgentPreset) => void;
  onEdit?: (preset: AgentPreset) => void;
  onDelete?: (preset: AgentPreset) => void;
  index?: number;
  compact?: boolean;
}

export function AgentPresetCardDark({
  preset,
  selected = false,
  onSelect,
  onFork,
  onEdit,
  onDelete,
  index = 0,
  compact = false,
}: AgentPresetCardDarkProps) {
  const previewUrl =
    preset.avatarUrl ||
    preset.referenceAssets?.[0]?.thumbnailUrl ||
    preset.referenceAssets?.[0]?.originalUrl ||
    "";
  
  const ownerName =
    String(preset.owner?.name || "").trim() ||
    String(preset.owner?.email || "").trim() ||
    "未知";
  
  const publishedAt = (() => {
    const raw = preset.createdAt ? new Date(preset.createdAt) : null;
    if (!raw || Number.isNaN(raw.getTime())) return "";
    return raw.toLocaleDateString("zh-CN", {
      timeZone: "Asia/Shanghai",
      month: "short",
      day: "numeric",
    });
  })();

  const typeConfig = {
    image: { 
      icon: Wand2, 
      label: "生图", 
      gradient: "from-violet-500 to-purple-600",
      bg: "bg-violet-500/20",
      text: "text-violet-300"
    },
    video: { 
      icon: Video, 
      label: "视频", 
      gradient: "from-amber-500 to-orange-600",
      bg: "bg-amber-500/20",
      text: "text-amber-300"
    },
    text: { 
      icon: FileText, 
      label: "生文", 
      gradient: "from-emerald-500 to-teal-600",
      bg: "bg-emerald-500/20",
      text: "text-emerald-300"
    },
  };
  
  const typeInfo = typeConfig[preset.type] || typeConfig.image;
  const TypeIcon = typeInfo.icon;
  const imageModeType = getAgentPresetModeTypeFromDefaultParams(preset.defaultParams);
  const modeConfig = normalizeAgentPresetModeConfig(preset.defaultParams);
  const imageModeLabel =
    imageModeType === "detail_replacement"
      ? "详情替换"
      : imageModeType === "sku_replacement"
        ? "SKU替换"
        : imageModeType === "scene_generation"
          ? "场景图"
          : null;
  const requiresImageCount =
    preset.type === "image" ? Math.max(0, preset.requiredUploadCount || preset.slotCount || 0) : 0;
  const includesModelSlot =
    preset.type === "image"
      ? imageModeType === "scene_generation"
        ? modeConfig.scene.includeModelSlot
        : imageModeType === "detail_replacement"
          ? modeConfig.detail.includeModelSlot
          : imageModeType === "sku_replacement"
            ? modeConfig.sku.includeModelSlot
            : preset.requiredUploadCount > preset.slotCount
      : false;
  const modelControlLabel =
    preset.type === "image"
      ? imageModeType === "scene_generation" && modeConfig.scene.allowModelOverride
        ? "可切模型"
        : "锁定模型"
      : null;
  const categoryHint =
    preset.categoryPath?.level3Name ||
    preset.categoryPath?.level2Name ||
    preset.categoryPath?.level1Name ||
    preset.categoryPath?.sectionName ||
    null;
  const compactSummaryBadges = [
    imageModeLabel || typeInfo.label,
    preset.type === "image" && requiresImageCount > 0 ? `需${requiresImageCount}张图` : null,
    preset.type === "image" ? (includesModelSlot ? "含模特槽" : "无模特槽") : null,
    modelControlLabel,
  ].filter((item): item is string => Boolean(item));
  const showEdit = Boolean(onEdit);
  const showDelete = Boolean(onDelete);
  const showFork = Boolean(onFork) && !showEdit && !showDelete;

  if (compact) {
    return (
      <motion.div
        initial={{ opacity: 0, y: 16 }}
        animate={{ opacity: 1, y: 0 }}
        transition={{
          duration: 0.35,
          delay: index * 0.03,
          ease: [0.25, 0.46, 0.45, 0.94],
        }}
        whileHover={{ y: -3, scale: 1.01 }}
        whileTap={{ scale: 0.98 }}
        className={cn(
          "group relative cursor-pointer overflow-hidden rounded-2xl border p-2.5 transition-all duration-300",
          selected
            ? "border-emerald-400/40 bg-emerald-500/[0.08] shadow-[0_0_24px_rgba(16,185,129,0.14)]"
            : "border-white/10 bg-white/[0.03] hover:border-white/20 hover:bg-white/[0.06]"
        )}
        onClick={() => onSelect(preset.id)}
      >
        <div className="absolute right-2 top-2 z-10 flex gap-1 opacity-0 transition-opacity duration-200 group-hover:opacity-100">
          {showEdit ? (
            <button
              type="button"
              onClick={(e) => {
                e.stopPropagation();
                onEdit?.(preset);
              }}
              className="flex h-6 w-6 items-center justify-center rounded-full bg-black/65 text-white/80 backdrop-blur-md transition-all hover:bg-white/20 hover:text-white"
            >
              <Pencil className="h-3 w-3" />
            </button>
          ) : null}
          {showDelete ? (
            <button
              type="button"
              onClick={(e) => {
                e.stopPropagation();
                onDelete?.(preset);
              }}
              className="flex h-6 w-6 items-center justify-center rounded-full bg-black/65 text-white/80 backdrop-blur-md transition-all hover:bg-red-500/80 hover:text-white"
            >
              <Trash2 className="h-3 w-3" />
            </button>
          ) : null}
          {showFork ? (
            <button
              type="button"
              onClick={(e) => {
                e.stopPropagation();
                onFork?.(preset);
              }}
              className="flex h-6 w-6 items-center justify-center rounded-full bg-black/65 text-white/80 backdrop-blur-md transition-all hover:bg-white/20 hover:text-white"
            >
              <Copy className="h-3 w-3" />
            </button>
            ) : null}
        </div>

        <div className="flex items-stretch gap-3">
          <div className="relative w-[88px] min-h-[112px] shrink-0 overflow-hidden rounded-[20px] border border-white/10 bg-black/30">
            {previewUrl ? (
              <img
                src={previewUrl}
                alt={preset.name}
                className="h-full w-full object-cover transition-transform duration-500 group-hover:scale-105"
              />
            ) : (
              <div className={cn("flex h-full w-full items-center justify-center bg-gradient-to-br", typeInfo.gradient)}>
                <TypeIcon className="h-6 w-6 text-white" />
              </div>
            )}
            <div className="absolute inset-0 bg-gradient-to-t from-black/35 to-transparent" />
            <div className="absolute left-1.5 top-1.5 rounded-full border border-white/10 bg-black/45 px-1.5 py-0.5 text-[9px] text-white/78">
              {imageModeLabel || typeInfo.label}
            </div>
          </div>

          <div className="flex min-h-[112px] min-w-0 flex-1 flex-col justify-between pr-7">
            <div className="line-clamp-2 text-[13px] font-semibold leading-5 text-white">
              {preset.name}
            </div>
            <div className="mt-2 flex flex-wrap gap-1.5">
              {compactSummaryBadges.map((badge, badgeIndex) => (
                <span
                  key={`${preset.id}-badge-${badgeIndex}-${badge}`}
                  className={cn(
                    "rounded-full border px-2 py-1 text-[9px] leading-none",
                    badgeIndex === 0
                      ? "border-emerald-400/25 bg-emerald-500/[0.12] text-emerald-100"
                      : "border-white/10 bg-white/[0.04] text-white/62"
                  )}
                >
                  {badge}
                </span>
              ))}
            </div>
            <div className="mt-2 text-[10px] leading-4 text-white/45">
              <div className="truncate">
                默认模型：{preset.defaultModel?.displayName || "未配置"}
              </div>
              {preset.description ? (
                <div className="line-clamp-1">{preset.description}</div>
              ) : categoryHint ? (
                <div className="truncate">适用分类：{categoryHint}</div>
              ) : null}
            </div>
            <div className="mt-2 flex flex-col gap-1 text-[10px] text-white/50">
              <div className="flex items-center gap-1.5">
                <User className="h-3 w-3 text-white/34" />
                <span className="truncate">贡献者：{ownerName}</span>
              </div>
              <div className="flex items-center gap-1.5">
                <Clock className="h-3 w-3 text-white/34" />
                <span className="truncate">贡献时间：{publishedAt || "未记录"}</span>
              </div>
            </div>
          </div>
        </div>

        {selected ? (
          <div className="pointer-events-none absolute inset-0 rounded-2xl ring-1 ring-inset ring-emerald-300/40" />
        ) : null}
      </motion.div>
    );
  }

  return (
    <motion.div
      initial={{ opacity: 0, y: 30 }}
      animate={{ opacity: 1, y: 0 }}
      transition={{ 
        duration: 0.5, 
        delay: index * 0.08,
        ease: [0.25, 0.46, 0.45, 0.94]
      }}
      whileHover={{ y: -8, scale: 1.02 }}
      whileTap={{ scale: 0.98 }}
      className={cn(
        "group relative cursor-pointer",
        "w-full aspect-[4/3]",
        "rounded-2xl overflow-hidden",
        "bg-zinc-900",
        "transition-all duration-500",
        selected 
          ? "ring-2 ring-white/30 shadow-[0_0_40px_rgba(255,255,255,0.1)]" 
          : "ring-1 ring-white/5 hover:ring-white/20"
      )}
      onClick={() => onSelect(preset.id)}
    >
      {/* 背景图片 */}
      <div className="absolute inset-0">
        {previewUrl ? (
          <>
            <img
              src={previewUrl}
              alt={preset.name}
              className="h-full w-full object-cover transition-transform duration-700 group-hover:scale-110"
            />
            {/* 渐变遮罩 */}
            <div className="absolute inset-0 bg-gradient-to-t from-black/90 via-black/40 to-black/10" />
            <div className="absolute inset-0 bg-gradient-to-b from-black/30 via-transparent to-transparent" />
          </>
        ) : (
          <div className="h-full w-full bg-gradient-to-br from-zinc-800 to-zinc-900">
            <div className="flex h-full items-center justify-center">
              <div className={cn(
                "flex h-20 w-20 items-center justify-center rounded-3xl",
                "bg-gradient-to-br",
                typeInfo.gradient,
                "opacity-60"
              )}>
                <TypeIcon className="h-10 w-10 text-white" />
              </div>
            </div>
          </div>
        )}
      </div>

      {/* 顶部信息栏 */}
      <div className="absolute left-0 right-0 top-0 flex items-center justify-between p-4">
        {/* 类型标签 */}
        <div className={cn(
          "flex items-center gap-1.5 rounded-full px-3 py-1.5 text-xs font-medium backdrop-blur-md",
          "bg-black/40",
          typeInfo.text
        )}>
          <TypeIcon className="h-3.5 w-3.5" />
          {imageModeLabel || typeInfo.label}
        </div>

        {/* 可见性标签 */}
        <div className={cn(
          "rounded-full px-2.5 py-1 text-[10px] font-medium backdrop-blur-md",
          preset.visibility === "public"
            ? "bg-emerald-500/20 text-emerald-300"
            : "bg-zinc-500/20 text-zinc-400"
        )}>
          {preset.visibility === "public" ? "公共" : "私有"}
        </div>
      </div>

      {/* 中央播放/使用按钮 */}
      <motion.div 
        className="absolute inset-0 flex items-center justify-center"
        initial={{ opacity: 0, scale: 0.8 }}
        whileHover={{ opacity: 1, scale: 1 }}
        transition={{ duration: 0.3 }}
      >
        <div className={cn(
          "flex h-16 w-16 items-center justify-center rounded-full",
          "bg-white/20 backdrop-blur-md",
          "ring-1 ring-white/30",
          "transition-all duration-300",
          "group-hover:bg-white/30 group-hover:scale-110",
          selected && "bg-white/40 scale-110"
        )}>
          <Play className={cn(
            "h-7 w-7 text-white fill-white",
            selected && "scale-110"
          )} />
        </div>
      </motion.div>

      {/* 悬浮操作按钮 */}
      <motion.div 
        className="absolute right-4 top-16 flex flex-col gap-2"
        initial={{ opacity: 0, x: 20 }}
        animate={{ opacity: 0 }}
        whileHover={{ opacity: 1 }}
      >
        <div className="flex flex-col gap-2 opacity-0 transition-opacity duration-200 group-hover:opacity-100">
          {showEdit && (
            <button
              type="button"
              onClick={(e) => {
                e.stopPropagation();
                onEdit?.(preset);
              }}
              className="flex h-9 w-9 items-center justify-center rounded-full bg-black/60 text-white/80 backdrop-blur-md transition-all hover:bg-white/20 hover:text-white"
            >
              <Pencil className="h-4 w-4" />
            </button>
          )}
          {showDelete && (
            <button
              type="button"
              onClick={(e) => {
                e.stopPropagation();
                onDelete?.(preset);
              }}
              className="flex h-9 w-9 items-center justify-center rounded-full bg-black/60 text-white/80 backdrop-blur-md transition-all hover:bg-red-500/80 hover:text-white"
            >
              <Trash2 className="h-4 w-4" />
            </button>
          )}
          {showFork && (
            <button
              type="button"
              onClick={(e) => {
                e.stopPropagation();
                onFork?.(preset);
              }}
              className="flex h-9 w-9 items-center justify-center rounded-full bg-black/60 text-white/80 backdrop-blur-md transition-all hover:bg-white/20 hover:text-white"
            >
              <Copy className="h-4 w-4" />
            </button>
          )}
        </div>
      </motion.div>

      {/* 底部信息 */}
      <div className="absolute bottom-0 left-0 right-0 p-4">
        {/* 标题 */}
        <h3 className="mb-2 line-clamp-1 text-base font-semibold text-white drop-shadow-lg">
          {preset.name}
        </h3>

        <div className="mb-2 flex flex-wrap gap-1.5">
          {compactSummaryBadges.slice(0, 4).map((badge, badgeIndex) => (
            <span
              key={`${preset.id}-full-badge-${badgeIndex}-${badge}`}
              className={cn(
                "rounded-full border px-2.5 py-1 text-[10px] font-medium backdrop-blur-md",
                badgeIndex === 0
                  ? "border-emerald-300/35 bg-emerald-500/[0.16] text-emerald-100"
                  : "border-white/10 bg-black/35 text-white/72"
              )}
            >
              {badge}
            </span>
          ))}
        </div>
        
        {/* 元信息 */}
        <div className="flex items-center justify-between text-xs text-white/60">
          <div className="flex items-center gap-3">
            <span className="flex items-center gap-1">
              <User className="h-3 w-3" />
              {ownerName}
            </span>
            {preset.defaultModel?.displayName ? (
              <span className="flex items-center gap-1">
                <Sparkles className="h-3 w-3" />
                {preset.defaultModel.displayName}
              </span>
            ) : null}
          </div>
          {publishedAt && (
            <span className="flex items-center gap-1">
              <Clock className="h-3 w-3" />
              {publishedAt}
            </span>
          )}
        </div>
      </div>

      {/* 选中指示器 */}
      {selected && (
        <motion.div 
          className="absolute inset-0 ring-2 ring-inset ring-white/30 rounded-2xl"
          initial={{ opacity: 0 }}
          animate={{ opacity: 1 }}
          transition={{ duration: 0.3 }}
        />
      )}
    </motion.div>
  );
}