ai-chatbot/components/generation-dot-placeholder.tsx

336 lines
9.8 KiB
TypeScript

"use client";
import { useEffect, useMemo, useState } from "react";
import { BloubAvatar } from "@/components/bloub-avatar";
import type { StateId } from "@/lib/bloub-official/states";
import { cn } from "@/lib/utils";
type GenerationPhase =
| "idle"
| "queued"
| "processing"
| "finalizing"
| "failed"
| "completed";
interface GenerationDotPlaceholderProps {
className?: string;
compact?: boolean;
phase?: GenerationPhase;
progress?: number | null;
showProgress?: boolean;
title?: string;
viewportScale?: number;
}
const PHASE_TITLES: Record<GenerationPhase, string> = {
idle: "正在创建图片",
queued: "等待开始生成",
processing: "生成初稿中",
finalizing: "正在润饰细节",
failed: "生成失败",
completed: "生成完成",
};
const GENERATION_STATUS_TITLES = [
"正在理解画面关系",
"正在读取参考图片",
"正在分析主体轮廓",
"正在识别关键元素",
"正在整理构图线索",
"正在确认画面比例",
"正在匹配视觉风格",
"正在提取材质细节",
"正在梳理光影方向",
"正在构建初始画面",
"正在生成第一版构图",
"正在安排主体位置",
"正在校准画面重心",
"正在补全背景层次",
"正在保持主体一致",
"正在优化边缘结构",
"正在调整透视关系",
"正在细化空间层次",
"正在增强画面清晰度",
"正在统一色彩倾向",
"正在检查参考一致性",
"正在处理局部细节",
"正在补充纹理信息",
"正在修正不自然区域",
"正在平衡明暗对比",
"正在优化产品质感",
"正在调整阴影落点",
"正在整理背景干扰",
"正在增强真实感",
"正在重绘细小结构",
"正在合成高清结果",
"正在检查主体完整性",
"正在优化画面边缘",
"正在处理反光细节",
"正在提升材质表现",
"正在微调构图节奏",
"正在清理多余噪点",
"正在强化视觉焦点",
"正在校正颜色偏差",
"正在保留参考特征",
"正在生成高分辨率版本",
"正在压实画面层次",
"正在修饰局部瑕疵",
"正在检查文字与图形",
"正在稳定画面结构",
"正在优化细节密度",
"正在完善背景过渡",
"正在增强主体质感",
"正在统一整体光感",
"正在检查比例关系",
"正在修正边缘锯齿",
"正在提升清晰观感",
"正在处理最后细节",
"正在准备预览结果",
"正在同步生成进度",
"正在确认输出尺寸",
"正在整理结果文件",
"正在校验图片可用性",
"正在生成最终预览",
"正在完成高清渲染",
"正在保存生成结果",
"正在写入画布节点",
"正在同步到对话框",
"正在检查结果完整性",
"正在收尾生成任务",
"正在等待服务商返回",
"正在保持连接状态",
"正在确认生成结果",
"正在拉取图片地址",
"正在准备展示图片",
"正在完成最后处理",
"正在刷新画布内容",
"正在整理图片信息",
"正在完成本次生成",
"正在即将展示结果",
];
const LONG_WAIT_TITLE_THRESHOLD_MS = 5 * 60 * 1000;
const LONG_WAIT_STATUS_TITLES = [
"服务繁忙,排队处理中",
"高峰期生成较慢,请耐心等候",
"仍在保持连接,等待模型返回",
"结果返回后会自动展示",
];
const STATUS_TITLE_DURATIONS_MS = GENERATION_STATUS_TITLES.map((_, index) => {
const rhythm = [3600, 5200, 4100, 6100, 3300, 4700, 5700, 3900, 6800, 4400];
return rhythm[index % rhythm.length];
});
const TYPEWRITER_START_DELAY_MS = 120;
const TYPEWRITER_BASE_STEP_MS = 46;
function clampProgress(value: number) {
if (!Number.isFinite(value)) return 0;
return Math.max(0, Math.min(100, Math.round(value)));
}
function estimateProgress(phase: GenerationPhase, elapsedMs: number) {
if (phase === "completed" || phase === "failed") return 100;
if (phase === "finalizing") return 96;
if (phase === "queued") {
return clampProgress(6 + Math.min(12, elapsedMs / 3500));
}
if (phase === "processing") {
const eased = 1 - Math.exp(-elapsedMs / 85_000);
return clampProgress(18 + eased * 78);
}
return clampProgress(Math.min(8, elapsedMs / 1000));
}
function getStatusTitleState(elapsedMs: number, initialTitle?: string) {
const titles = initialTitle
? [
initialTitle,
...GENERATION_STATUS_TITLES.filter((item) => item !== initialTitle),
]
: GENERATION_STATUS_TITLES;
const durations = initialTitle
? [4200, ...STATUS_TITLE_DURATIONS_MS]
: STATUS_TITLE_DURATIONS_MS;
let cursor = Math.max(0, elapsedMs);
for (let index = 0; index < titles.length; index += 1) {
const duration = durations[index] || 4600;
if (cursor < duration) {
return {
elapsedInTitle: cursor,
index,
title:
titles[index] ||
titles[titles.length - 1] ||
PHASE_TITLES.processing,
};
}
cursor -= duration;
}
return {
elapsedInTitle: durations[durations.length - 1] || 4600,
index: titles.length - 1,
title: titles[titles.length - 1] || PHASE_TITLES.processing,
};
}
function getLongWaitTitleState(elapsedMs: number, initialTitle?: string) {
const titles = initialTitle
? [
initialTitle,
...LONG_WAIT_STATUS_TITLES.filter((item) => item !== initialTitle),
]
: LONG_WAIT_STATUS_TITLES;
const elapsedAfterThreshold = Math.max(
0,
elapsedMs - LONG_WAIT_TITLE_THRESHOLD_MS
);
const duration = 7600;
const index = Math.floor(elapsedAfterThreshold / duration) % titles.length;
return {
elapsedInTitle: elapsedAfterThreshold % duration,
index,
title: titles[index] || titles[0] || PHASE_TITLES.processing,
};
}
function getTypewriterText(text: string, elapsedInTitle: number, index: number) {
const chars = Array.from(text);
if (chars.length === 0) return "";
const step = TYPEWRITER_BASE_STEP_MS + (index % 5) * 8;
const visibleCount = Math.max(
1,
Math.min(
chars.length,
Math.floor(
Math.max(0, elapsedInTitle - TYPEWRITER_START_DELAY_MS) / step
) + 1
)
);
return chars.slice(0, visibleCount).join("");
}
function getBloubState(phase: GenerationPhase): StateId {
if (phase === "failed") return "alert";
if (phase === "completed") return "wink";
if (phase === "queued") return "thinking";
return "idle";
}
export function GenerationDotPlaceholder({
className,
compact = false,
phase = "processing",
progress,
showProgress = true,
title,
}: GenerationDotPlaceholderProps) {
const [elapsedMs, setElapsedMs] = useState(0);
useEffect(() => {
const startedAt = Date.now();
const timer = window.setInterval(() => {
setElapsedMs(Date.now() - startedAt);
}, 90);
return () => window.clearInterval(timer);
}, [phase]);
const resolvedProgress = clampProgress(
typeof progress === "number" ? progress : estimateProgress(phase, elapsedMs)
);
const isLongWaitTitle =
(phase === "processing" || phase === "finalizing") &&
elapsedMs >= LONG_WAIT_TITLE_THRESHOLD_MS;
const statusTitleState = isLongWaitTitle
? getLongWaitTitleState(elapsedMs, title)
: getStatusTitleState(elapsedMs, title);
const rotatingTitle = getTypewriterText(
statusTitleState.title,
statusTitleState.elapsedInTitle,
statusTitleState.index
);
const resolvedTitle =
phase === "processing" || phase === "finalizing"
? rotatingTitle
: title || PHASE_TITLES[phase];
const playSequence = phase === "processing" || phase === "finalizing";
const progressStyle = useMemo(
() => ({ width: `${resolvedProgress}%` }),
[resolvedProgress]
);
return (
<div
className={cn(
"relative isolate overflow-hidden rounded-[24px] bg-[#f4f4f4] text-[#565b63] dark:bg-[#08090b] dark:text-zinc-200",
compact ? "min-h-[190px] p-5" : "min-h-[360px] p-8",
className
)}
>
<div className="flex h-full min-h-[inherit] flex-col">
<div
aria-live="polite"
className={cn(
"font-semibold",
compact
? "text-[12px] leading-[1.35]"
: "text-[18px] leading-[1.35]"
)}
>
{resolvedTitle}
<span
aria-hidden="true"
className="ml-1 inline-block h-[1em] w-[0.08em] translate-y-[0.15em] animate-[generationCursorBlink_1s_steps(1,end)_infinite] bg-current"
/>
</div>
<div className="flex min-h-0 flex-1 items-center justify-center py-3">
<BloubAvatar
label={resolvedTitle}
playSequence={playSequence}
size={compact ? 88 : 120}
state={getBloubState(phase)}
surface="page"
/>
</div>
{showProgress ? (
<div className="space-y-2">
<div className="flex items-center justify-between text-[12px] font-medium text-[#7d838b] dark:text-zinc-400">
<span>{phase === "failed" ? "已停止" : "生成进度"}</span>
<span>{resolvedProgress}%</span>
</div>
<div className="h-1.5 overflow-hidden rounded-full bg-white/80 shadow-[inset_0_0_0_1px_rgba(0,0,0,0.035)] dark:bg-white/10 dark:shadow-none">
<div
className={cn(
"h-full rounded-full transition-[width] duration-700 ease-out",
phase === "failed"
? "bg-[#c7ccd3] dark:bg-zinc-600"
: "bg-[#0a0a0c] dark:bg-[#3ecf8e]"
)}
style={progressStyle}
/>
</div>
</div>
) : null}
</div>
<style jsx>{`
@keyframes generationCursorBlink {
0%,
48% {
opacity: 1;
}
49%,
100% {
opacity: 0;
}
}
`}</style>
</div>
);
}