Files
platform/src/apps/officer-web/Screens/Dashboard/Files/Screen/FileViewer.tsx
T

1176 lines
38 KiB
TypeScript

import { useState, useEffect, useRef, useCallback } from 'react';
import {
X,
Download,
Loader2,
Music,
Film,
Image,
FileType2,
Maximize2,
Minimize2,
Square,
Play,
Pause,
Volume2,
VolumeX,
ZoomIn,
ZoomOut,
RotateCw,
ArrowUp,
} from 'lucide-react';
import ReactMarkdown from 'react-markdown';
import remarkGfm from 'remark-gfm';
import rehypeRaw from 'rehype-raw';
import rehypeSlug from 'rehype-slug';
import { Dialog, DialogOverlay, DialogPortal } from '@/components/ui/dialog';
import * as DialogPrimitive from '@radix-ui/react-dialog';
import { cardStyle } from '@/components/Card';
import { useFiles } from 'apps/FileBrowser';
import { getHeaders } from 'hooks/useClient';
import { config } from 'config';
import { toast } from 'sonner';
import { getIcon } from 'material-file-icons';
type FileViewerProps = {
open: boolean;
onOpenChange: (open: boolean) => void;
filePath: string;
fileName: string;
root?: string;
};
type FileType = 'markdown' | 'audio' | 'video' | 'image' | 'pdf' | 'code' | 'text';
const AUDIO_EXTS = ['mp3', 'wav', 'flac', 'ogg', 'oga', 'opus', 'aac', 'm4a', 'wma'];
const NATIVE_VIDEO_EXTS = ['mp4', 'm4v', 'webm', 'ogv', 'mov'];
const TRANSCODE_VIDEO_EXTS = [
'mkv',
'avi',
'wmv',
'flv',
'ts',
'mts',
'm2ts',
'3gp',
'3g2',
'vob',
'divx',
'asf',
'f4v',
'rm',
'rmvb',
];
const ALL_VIDEO_EXTS = [...NATIVE_VIDEO_EXTS, ...TRANSCODE_VIDEO_EXTS];
const IMAGE_EXTS = [
'jpg',
'jpeg',
'png',
'gif',
'webp',
'svg',
'bmp',
'ico',
'tiff',
'tif',
'avif',
'heic',
'heif',
'jfif',
'apng',
];
// Map file extension to shiki language identifier
const EXT_TO_LANG: Record<string, string> = {
js: 'javascript',
mjs: 'javascript',
cjs: 'javascript',
jsx: 'jsx',
ts: 'typescript',
mts: 'typescript',
cts: 'typescript',
tsx: 'tsx',
json: 'json',
jsonc: 'jsonc',
html: 'html',
htm: 'html',
css: 'css',
scss: 'scss',
sass: 'sass',
less: 'less',
py: 'python',
rb: 'ruby',
rs: 'rust',
go: 'go',
java: 'java',
kt: 'kotlin',
kts: 'kotlin',
swift: 'swift',
c: 'c',
h: 'c',
cpp: 'cpp',
cc: 'cpp',
cxx: 'cpp',
hpp: 'cpp',
cs: 'csharp',
php: 'php',
sh: 'bash',
bash: 'bash',
zsh: 'bash',
sql: 'sql',
yaml: 'yaml',
yml: 'yaml',
toml: 'toml',
xml: 'xml',
xsl: 'xml',
lua: 'lua',
r: 'r',
dart: 'dart',
vue: 'vue',
svelte: 'svelte',
graphql: 'graphql',
gql: 'graphql',
dockerfile: 'dockerfile',
makefile: 'makefile',
zig: 'zig',
elixir: 'elixir',
ex: 'elixir',
exs: 'elixir',
};
function getFileType(name: string): FileType {
const ext = name.split('.').pop()?.toLowerCase() ?? '';
const baseName = name.toLowerCase();
if (['md', 'mdx', 'markdown'].includes(ext)) return 'markdown';
if (ext === 'pdf') return 'pdf';
if (EXT_TO_LANG[ext]) return 'code';
if (AUDIO_EXTS.includes(ext)) return 'audio';
if (ALL_VIDEO_EXTS.includes(ext)) return 'video';
if (IMAGE_EXTS.includes(ext)) return 'image';
if (baseName === 'dockerfile' || baseName === 'makefile') return 'code';
return 'text';
}
function getLang(name: string): string {
const ext = name.split('.').pop()?.toLowerCase() ?? '';
const baseName = name.toLowerCase();
if (baseName === 'dockerfile') return 'dockerfile';
if (baseName === 'makefile') return 'makefile';
return EXT_TO_LANG[ext] ?? 'text';
}
function getExt(name: string): string {
return name.split('.').pop()?.toLowerCase() ?? '';
}
function needsTranscode(name: string): boolean {
return TRANSCODE_VIDEO_EXTS.includes(getExt(name));
}
function getRawUrl(filePath: string, root?: string): string {
const headers = getHeaders();
const token = headers['Authorization']?.replace('Bearer ', '') ?? '';
const rootParam = root && root !== 'home' ? `&root=${encodeURIComponent(root)}` : '';
return `${config.API_URL}/file-browser/raw?path=${encodeURIComponent(filePath)}&token=${encodeURIComponent(token)}${rootParam}`;
}
function getTranscodeUrl(filePath: string, root?: string, t = '0'): string {
const headers = getHeaders();
const token = headers['Authorization']?.replace('Bearer ', '') ?? '';
const rootParam = root && root !== 'home' ? `&root=${encodeURIComponent(root)}` : '';
return `${config.API_URL}/file-browser/transcode?path=${encodeURIComponent(filePath)}&t=${encodeURIComponent(t)}&token=${encodeURIComponent(token)}${rootParam}`;
}
function formatTime(s: number): string {
if (!isFinite(s) || isNaN(s)) return '0:00';
const h = Math.floor(s / 3600);
const m = Math.floor((s % 3600) / 60);
const sec = Math.floor(s % 60);
if (h > 0) return `${h}:${m.toString().padStart(2, '0')}:${sec.toString().padStart(2, '0')}`;
return `${m}:${sec.toString().padStart(2, '0')}`;
}
// ── Shared seek bar hook ──
function useSeekBar(mediaRef: React.RefObject<HTMLMediaElement | null>, duration: number) {
const barRef = useRef<HTMLDivElement>(null);
const seekTo = useCallback(
(clientX: number) => {
const el = mediaRef.current;
const bar = barRef.current;
if (!el || !bar || !duration) return;
const rect = bar.getBoundingClientRect();
const pct = Math.max(0, Math.min(1, (clientX - rect.left) / rect.width));
el.currentTime = pct * duration;
},
[duration, mediaRef],
);
const onSeekDown = useCallback(
(e: React.MouseEvent<HTMLDivElement>) => {
e.preventDefault();
seekTo(e.clientX);
const onMove = (ev: MouseEvent) => seekTo(ev.clientX);
const onUp = () => {
window.removeEventListener('mousemove', onMove);
window.removeEventListener('mouseup', onUp);
};
window.addEventListener('mousemove', onMove);
window.addEventListener('mouseup', onUp);
},
[seekTo],
);
return { barRef, onSeekDown };
}
// ── Seek bar component ──
function SeekBar({
barRef,
onSeekDown,
pct,
trackClass = 'bg-duck-dark/10',
fillClass = 'bg-duck-teal',
thumbClass = 'bg-duck-teal border-white',
}: {
barRef: React.RefObject<HTMLDivElement | null>;
onSeekDown: (e: React.MouseEvent<HTMLDivElement>) => void;
pct: number;
trackClass?: string;
fillClass?: string;
thumbClass?: string;
}) {
return (
<div ref={barRef} onMouseDown={onSeekDown} className="relative h-4 flex items-center cursor-pointer group">
<div className={`absolute left-0 right-0 h-1.5 rounded-full ${trackClass} pointer-events-none`}>
<div className={`absolute inset-y-0 left-0 rounded-full ${fillClass}`} style={{ width: `${pct}%` }} />
</div>
<div
className={`absolute top-1/2 -translate-y-1/2 w-3.5 h-3.5 rounded-full shadow-md border-2 opacity-0 group-hover:opacity-100 transition-opacity pointer-events-none ${thumbClass} ${fillClass}`}
style={{ left: `calc(${pct}% - 7px)` }}
/>
</div>
);
}
// ── Copy button for code blocks ──
function CopyButton({ text }: { text: string }) {
const [copied, setCopied] = useState(false);
return (
<button
onClick={() => {
navigator.clipboard.writeText(text);
setCopied(true);
setTimeout(() => setCopied(false), 1500);
}}
className="absolute top-2 right-2 px-2 py-1 text-[10px] font-mono rounded bg-white/10 text-white/60 hover:text-white hover:bg-white/20 transition-colors cursor-pointer"
>
{copied ? 'Copied!' : 'Copy'}
</button>
);
}
// ── Highlighted code block for markdown ──
function HighlightedCodeBlock({ code, lang }: { code: string; lang: string }) {
const [html, setHtml] = useState<string | null>(null);
useEffect(() => {
let cancelled = false;
import('shiki')
.then(({ codeToHtml }) => codeToHtml(code, { lang, theme: 'github-dark-default' }))
.then((result) => {
if (!cancelled) setHtml(result);
})
.catch(() => {});
return () => {
cancelled = true;
};
}, [code, lang]);
if (html) {
return (
<div className="relative my-4">
<CopyButton text={code} />
{lang && (
<span className="absolute top-2 left-3 text-[10px] font-mono text-white/30 uppercase tracking-wider z-10">
{lang}
</span>
)}
<div
className="[&_pre]:rounded-lg [&_pre]:p-4 [&_pre]:pt-8 [&_pre]:overflow-x-auto [&_pre]:text-sm [&_pre]:font-mono [&_pre]:leading-relaxed [&_pre]:border [&_pre]:border-white/5 [&_code]:font-mono"
dangerouslySetInnerHTML={{ __html: html }}
/>
</div>
);
}
return (
<pre className="relative rounded-lg bg-[#0d1117] text-[#e6edf3] p-4 overflow-x-auto text-sm font-mono leading-relaxed my-4 border border-white/5">
<CopyButton text={code} />
{lang && (
<span className="absolute top-2 left-3 text-[10px] font-mono text-white/30 uppercase tracking-wider">
{lang}
</span>
)}
<code className="block pt-4">{code}</code>
</pre>
);
}
// ── Scroll to top button ──
function ScrollToTopButton({ scrollContainer }: { scrollContainer: React.RefObject<HTMLDivElement | null> }) {
const [visible, setVisible] = useState(false);
useEffect(() => {
const el = scrollContainer.current;
if (!el) return;
const onScroll = () => setVisible(el.scrollTop > 200);
el.addEventListener('scroll', onScroll, { passive: true });
return () => el.removeEventListener('scroll', onScroll);
}, [scrollContainer]);
if (!visible) return null;
return (
<button
onClick={() => scrollContainer.current?.scrollTo({ top: 0, behavior: 'smooth' })}
className="sticky bottom-4 float-right mr-4 z-10 p-2.5 rounded-full bg-duck-teal text-white shadow-lg hover:bg-duck-teal/90 active:scale-95 transition-all cursor-pointer"
title="Scroll to top"
>
<ArrowUp className="h-4 w-4" />
</button>
);
}
// ── Markdown renderer ──
const MarkdownRenderer = ({
content,
scrollContainer,
}: {
content: string;
scrollContainer: React.RefObject<HTMLDivElement | null>;
}) => {
const handleAnchorClick = useCallback(
(ev: React.MouseEvent<HTMLElement>) => {
const target = (ev.target as HTMLElement).closest('a');
if (!target) return;
const href = target.getAttribute('href');
if (!href?.startsWith('#')) return;
ev.preventDefault();
const id = href.slice(1);
const el = scrollContainer.current?.querySelector(`#${CSS.escape(id)}`);
if (el) el.scrollIntoView({ behavior: 'smooth', block: 'start' });
},
[scrollContainer],
);
return (
<article className="file-viewer-md" onClick={handleAnchorClick}>
<ReactMarkdown
remarkPlugins={[remarkGfm]}
rehypePlugins={[rehypeRaw, rehypeSlug]}
components={{
pre({ children }) {
return <div className="relative">{children}</div>;
},
code({ className, children, ...props }) {
const isBlock = className?.startsWith('language-');
const lang = className?.replace('language-', '') ?? '';
const text = String(children).replace(/\n$/, '');
if (!isBlock) {
return (
<code
className="px-1.5 py-0.5 rounded bg-duck-teal/10 text-duck-teal text-[0.85em] font-mono"
{...props}
>
{children}
</code>
);
}
return <HighlightedCodeBlock code={text} lang={lang} />;
},
}}
>
{content}
</ReactMarkdown>
</article>
);
};
// ── Text renderer ──
const TextRenderer = ({ content }: { content: string }) => (
<pre className="whitespace-pre-wrap font-mono text-sm text-duck-dark leading-relaxed p-4">{content}</pre>
);
// ── Code renderer with syntax highlighting ──
const CodeRenderer = ({ content, lang }: { content: string; lang: string }) => {
const [html, setHtml] = useState<string | null>(null);
useEffect(() => {
let cancelled = false;
import('shiki')
.then(({ codeToHtml }) => codeToHtml(content, { lang, theme: 'github-dark-default' }))
.then((result) => {
if (!cancelled) setHtml(result);
})
.catch(() => {
if (!cancelled) setHtml(null);
});
return () => {
cancelled = true;
};
}, [content, lang]);
if (html === null) {
return <TextRenderer content={content} />;
}
return (
<div
className="code-highlight text-sm leading-relaxed [&_pre]:p-4 [&_pre]:overflow-x-auto [&_pre]:rounded-none [&_code]:font-mono"
dangerouslySetInnerHTML={{ __html: html }}
/>
);
};
// ── Audio renderer ──
const AudioRenderer = ({ src, fileName }: { src: string; fileName: string }) => {
const audioRef = useRef<HTMLAudioElement>(null);
const [playing, setPlaying] = useState(false);
const [currentTime, setCurrent] = useState(0);
const [duration, setDuration] = useState(0);
const [volume, setVolume] = useState(1);
const [muted, setMuted] = useState(false);
const [loaded, setLoaded] = useState(false);
const [error, setError] = useState(false);
const { barRef, onSeekDown } = useSeekBar(audioRef, duration);
const ext = fileName.split('.').pop()?.toUpperCase() ?? 'AUDIO';
useEffect(() => {
const a = audioRef.current;
if (!a) return;
const onLoaded = () => {
setDuration(a.duration);
setLoaded(true);
};
const onTime = () => setCurrent(a.currentTime);
const onEnded = () => setPlaying(false);
const onError = () => setError(true);
a.addEventListener('loadedmetadata', onLoaded);
a.addEventListener('timeupdate', onTime);
a.addEventListener('ended', onEnded);
a.addEventListener('error', onError);
return () => {
a.removeEventListener('loadedmetadata', onLoaded);
a.removeEventListener('timeupdate', onTime);
a.removeEventListener('ended', onEnded);
a.removeEventListener('error', onError);
};
}, []);
const togglePlay = useCallback(() => {
const a = audioRef.current;
if (!a) return;
if (playing) a.pause();
else a.play();
setPlaying(!playing);
}, [playing]);
const changeVolume = useCallback((e: React.ChangeEvent<HTMLInputElement>) => {
const v = parseFloat(e.target.value);
setVolume(v);
setMuted(v === 0);
if (audioRef.current) audioRef.current.volume = v;
}, []);
const toggleMute = useCallback(() => {
const a = audioRef.current;
if (!a) return;
if (muted) {
a.volume = volume || 1;
setMuted(false);
} else {
a.volume = 0;
setMuted(true);
}
}, [muted, volume]);
const pct = duration > 0 ? (currentTime / duration) * 100 : 0;
if (error) {
return (
<div className="flex items-center justify-center h-full">
<span className="text-sm text-red-500">Failed to load audio file</span>
</div>
);
}
return (
<div className="flex items-center justify-center h-full px-8">
<audio ref={audioRef} src={src} preload="metadata" />
<div className="w-full max-w-xl space-y-6">
<div className="flex flex-col items-center gap-4">
<div className="relative w-32 h-32 rounded-2xl bg-gradient-to-br from-duck-teal/20 via-duck-forest/10 to-duck-yellow/20 border-2 border-duck-dark/10 flex items-center justify-center shadow-lg">
<Music className="h-12 w-12 text-duck-teal/60" />
<span className="absolute bottom-2 right-2 text-[9px] font-mono font-bold text-duck-dark/30 tracking-wider">
{ext}
</span>
</div>
<div className="text-center">
<p className="text-sm font-semibold text-duck-dark truncate max-w-xs">{fileName}</p>
{loaded && <p className="text-xs text-duck-dark/40 mt-0.5">{formatTime(duration)}</p>}
</div>
</div>
<div className="space-y-1.5">
<SeekBar barRef={barRef} onSeekDown={onSeekDown} pct={pct} />
<div className="flex justify-between text-[10px] font-mono text-duck-dark/40">
<span>{formatTime(currentTime)}</span>
<span>{formatTime(duration)}</span>
</div>
</div>
<div className="flex items-center justify-center gap-6">
<div className="flex items-center gap-2">
<button
onClick={toggleMute}
className="p-1.5 text-duck-dark/40 hover:text-duck-dark transition-colors cursor-pointer"
>
{muted ? <VolumeX className="h-4 w-4" /> : <Volume2 className="h-4 w-4" />}
</button>
<input
type="range"
min={0}
max={1}
step={0.01}
value={muted ? 0 : volume}
onChange={changeVolume}
className="w-20 h-1 accent-duck-teal cursor-pointer"
/>
</div>
<button
onClick={togglePlay}
disabled={!loaded}
className="w-14 h-14 rounded-full bg-duck-teal text-white flex items-center justify-center shadow-lg hover:bg-duck-teal/90 disabled:opacity-40 transition-all cursor-pointer active:scale-95"
>
{!loaded ? (
<Loader2 className="h-6 w-6 animate-spin" />
) : playing ? (
<Pause className="h-6 w-6" />
) : (
<Play className="h-6 w-6 ml-0.5" />
)}
</button>
<div className="w-[104px]" />
</div>
</div>
</div>
);
};
// ── Video renderer ──
const VideoRenderer = ({ src, fileName }: { src: string; fileName: string }) => {
const videoRef = useRef<HTMLVideoElement>(null);
const containerRef = useRef<HTMLDivElement>(null);
const hideTimer = useRef<ReturnType<typeof setTimeout>>(null);
const [playing, setPlaying] = useState(false);
const [currentTime, setCurrent] = useState(0);
const [duration, setDuration] = useState(0);
const [volume, setVolume] = useState(1);
const [muted, setMuted] = useState(false);
const [loaded, setLoaded] = useState(false);
const [error, setError] = useState(false);
const [showControls, setShowControls] = useState(true);
const [isFullscreen, setIsFullscreen] = useState(false);
const { barRef, onSeekDown } = useSeekBar(videoRef, duration);
useEffect(() => {
const v = videoRef.current;
if (!v) return;
const onLoaded = () => {
setDuration(v.duration);
setLoaded(true);
};
const onTime = () => setCurrent(v.currentTime);
const onPlay = () => setPlaying(true);
const onPause = () => setPlaying(false);
const onEnded = () => setPlaying(false);
const onError = () => setError(true);
v.addEventListener('loadedmetadata', onLoaded);
v.addEventListener('timeupdate', onTime);
v.addEventListener('play', onPlay);
v.addEventListener('pause', onPause);
v.addEventListener('ended', onEnded);
v.addEventListener('error', onError);
return () => {
v.removeEventListener('loadedmetadata', onLoaded);
v.removeEventListener('timeupdate', onTime);
v.removeEventListener('play', onPlay);
v.removeEventListener('pause', onPause);
v.removeEventListener('ended', onEnded);
v.removeEventListener('error', onError);
};
}, []);
// Fullscreen change detection
useEffect(() => {
const onChange = () => setIsFullscreen(!!document.fullscreenElement);
document.addEventListener('fullscreenchange', onChange);
return () => document.removeEventListener('fullscreenchange', onChange);
}, []);
// Auto-hide controls
const resetHideTimer = useCallback(() => {
setShowControls(true);
if (hideTimer.current) clearTimeout(hideTimer.current);
hideTimer.current = setTimeout(() => {
if (videoRef.current && !videoRef.current.paused) setShowControls(false);
}, 2500);
}, []);
const togglePlay = useCallback(() => {
const v = videoRef.current;
if (!v) return;
if (v.paused) v.play();
else v.pause();
}, []);
const changeVolume = useCallback((e: React.ChangeEvent<HTMLInputElement>) => {
const val = parseFloat(e.target.value);
setVolume(val);
setMuted(val === 0);
if (videoRef.current) videoRef.current.volume = val;
}, []);
const toggleMute = useCallback(() => {
const v = videoRef.current;
if (!v) return;
if (muted) {
v.volume = volume || 1;
setMuted(false);
} else {
v.volume = 0;
setMuted(true);
}
}, [muted, volume]);
const toggleFullscreen = useCallback(() => {
const c = containerRef.current;
if (!c) return;
if (document.fullscreenElement) document.exitFullscreen();
else c.requestFullscreen();
}, []);
const pct = duration > 0 ? (currentTime / duration) * 100 : 0;
if (error) {
return (
<div className="flex items-center justify-center h-full">
<span className="text-sm text-red-500">Failed to load video</span>
</div>
);
}
return (
<div
ref={containerRef}
className="relative w-full h-full bg-black flex items-center justify-center group"
onMouseMove={resetHideTimer}
onMouseLeave={() => {
if (playing) setShowControls(false);
}}
>
<video ref={videoRef} src={src} preload="metadata" className="max-w-full max-h-full" onClick={togglePlay} />
{/* Big center play button when paused */}
{loaded && !playing && (
<button onClick={togglePlay} className="absolute inset-0 flex items-center justify-center cursor-pointer">
<div className="w-16 h-16 rounded-full bg-black/50 backdrop-blur-sm flex items-center justify-center">
<Play className="h-8 w-8 text-white ml-1" />
</div>
</button>
)}
{/* Loading spinner */}
{!loaded && (
<div className="absolute inset-0 flex items-center justify-center">
<Loader2 className="h-8 w-8 text-white animate-spin" />
</div>
)}
{/* Bottom controls overlay */}
<div
className={`absolute bottom-0 left-0 right-0 bg-gradient-to-t from-black/80 via-black/40 to-transparent pt-12 pb-3 px-4 transition-opacity duration-300 ${
showControls || !playing ? 'opacity-100' : 'opacity-0 pointer-events-none'
}`}
>
{/* Seek bar */}
<SeekBar
barRef={barRef}
onSeekDown={onSeekDown}
pct={pct}
trackClass="bg-white/20"
fillClass="bg-duck-teal"
thumbClass="bg-duck-teal border-white"
/>
{/* Controls row */}
<div className="flex items-center gap-3 mt-1">
<button onClick={togglePlay} className="p-1 text-white hover:text-duck-teal transition-colors cursor-pointer">
{playing ? <Pause className="h-5 w-5" /> : <Play className="h-5 w-5" />}
</button>
<div className="flex items-center gap-1.5">
<button
onClick={toggleMute}
className="p-1 text-white/70 hover:text-white transition-colors cursor-pointer"
>
{muted ? <VolumeX className="h-4 w-4" /> : <Volume2 className="h-4 w-4" />}
</button>
<input
type="range"
min={0}
max={1}
step={0.01}
value={muted ? 0 : volume}
onChange={changeVolume}
className="w-16 h-1 accent-duck-teal cursor-pointer"
/>
</div>
<span className="text-xs font-mono text-white/60 select-none">
{formatTime(currentTime)} / {formatTime(duration)}
</span>
<div className="flex-1" />
<span className="text-[9px] font-mono text-white/30 uppercase tracking-wider">{getExt(fileName)}</span>
<button
onClick={toggleFullscreen}
className="p-1 text-white/70 hover:text-white transition-colors cursor-pointer"
>
{isFullscreen ? <Minimize2 className="h-4 w-4" /> : <Maximize2 className="h-4 w-4" />}
</button>
</div>
</div>
</div>
);
};
// ── Image renderer ──
const ZOOM_STEPS = [0.25, 0.5, 0.75, 1, 1.5, 2, 3, 5];
const ImageRenderer = ({ src, fileName }: { src: string; fileName: string }) => {
const containerRef = useRef<HTMLDivElement>(null);
const minZoom = ZOOM_STEPS[0] ?? 1;
const maxZoom = ZOOM_STEPS[ZOOM_STEPS.length - 1] ?? 1;
const [zoom, setZoom] = useState(1);
const [rotation, setRotation] = useState(0);
const [loaded, setLoaded] = useState(false);
const [error, setError] = useState(false);
const [dragging, setDragging] = useState(false);
const [offset, setOffset] = useState({ x: 0, y: 0 });
const dragStart = useRef({ x: 0, y: 0, ox: 0, oy: 0 });
const zoomIn = useCallback(() => {
setZoom((z) => {
const next = ZOOM_STEPS.find((s) => s > z);
return next ?? z;
});
}, []);
const zoomOut = useCallback(() => {
setZoom((z) => {
const prev = [...ZOOM_STEPS].reverse().find((s) => s < z);
return prev ?? z;
});
}, []);
const resetView = useCallback(() => {
setZoom(1);
setRotation(0);
setOffset({ x: 0, y: 0 });
}, []);
const rotate = useCallback(() => {
setRotation((r) => (r + 90) % 360);
}, []);
// Scroll to zoom
const onWheel = useCallback(
(e: React.WheelEvent) => {
e.preventDefault();
if (e.deltaY < 0) zoomIn();
else zoomOut();
},
[zoomIn, zoomOut],
);
// Pan with mouse drag when zoomed
const onMouseDown = useCallback(
(e: React.MouseEvent) => {
if (zoom <= 1) return;
e.preventDefault();
setDragging(true);
dragStart.current = { x: e.clientX, y: e.clientY, ox: offset.x, oy: offset.y };
const onMove = (ev: MouseEvent) => {
setOffset({
x: dragStart.current.ox + (ev.clientX - dragStart.current.x),
y: dragStart.current.oy + (ev.clientY - dragStart.current.y),
});
};
const onUp = () => {
setDragging(false);
window.removeEventListener('mousemove', onMove);
window.removeEventListener('mouseup', onUp);
};
window.addEventListener('mousemove', onMove);
window.addEventListener('mouseup', onUp);
},
[zoom, offset],
);
// Reset offset when zoom goes to 1
useEffect(() => {
if (zoom <= 1) setOffset({ x: 0, y: 0 });
}, [zoom]);
if (error) {
return (
<div className="flex items-center justify-center h-full">
<span className="text-sm text-red-500">Failed to load image</span>
</div>
);
}
return (
<div className="relative w-full h-full flex flex-col">
{/* Image area */}
<div
ref={containerRef}
className={`flex-1 min-h-0 flex items-center justify-center overflow-hidden bg-[repeating-conic-gradient(#e5e7eb_0%_25%,transparent_0%_50%)] bg-[length:16px_16px] ${
zoom > 1 ? (dragging ? 'cursor-grabbing' : 'cursor-grab') : 'cursor-zoom-in'
}`}
onWheel={onWheel}
onMouseDown={zoom > 1 ? onMouseDown : undefined}
onClick={zoom <= 1 ? zoomIn : undefined}
>
{!loaded && (
<div className="absolute inset-0 flex items-center justify-center">
<Loader2 className="h-6 w-6 text-duck-teal animate-spin" />
</div>
)}
<img
src={src}
alt={fileName}
onLoad={() => setLoaded(true)}
onError={() => setError(true)}
className="transition-transform duration-150 select-none"
draggable={false}
style={{
transform: `translate(${offset.x}px, ${offset.y}px) scale(${zoom}) rotate(${rotation}deg)`,
maxWidth: zoom <= 1 ? '100%' : 'none',
maxHeight: zoom <= 1 ? '100%' : 'none',
opacity: loaded ? 1 : 0,
}}
/>
</div>
{/* Toolbar */}
<div className="shrink-0 flex items-center justify-center gap-1 py-2 border-t border-duck-dark/10 bg-white/80">
<button
onClick={zoomOut}
disabled={zoom <= minZoom}
className="p-1.5 rounded-md text-duck-dark/50 hover:text-duck-dark hover:bg-duck-dark/5 disabled:opacity-30 transition-colors cursor-pointer"
>
<ZoomOut className="h-4 w-4" />
</button>
<button
onClick={resetView}
className="px-2 py-1 rounded-md text-xs font-mono text-duck-dark/50 hover:text-duck-dark hover:bg-duck-dark/5 transition-colors cursor-pointer min-w-[4rem] text-center"
>
{Math.round(zoom * 100)}%
</button>
<button
onClick={zoomIn}
disabled={zoom >= maxZoom}
className="p-1.5 rounded-md text-duck-dark/50 hover:text-duck-dark hover:bg-duck-dark/5 disabled:opacity-30 transition-colors cursor-pointer"
>
<ZoomIn className="h-4 w-4" />
</button>
<div className="w-px h-4 bg-duck-dark/10 mx-1" />
<button
onClick={rotate}
className="p-1.5 rounded-md text-duck-dark/50 hover:text-duck-dark hover:bg-duck-dark/5 transition-colors cursor-pointer"
>
<RotateCw className="h-4 w-4" />
</button>
</div>
</div>
);
};
// ── PDF renderer ──
const PdfRenderer = ({ src }: { src: string }) => (
<iframe src={src} className="w-full h-full border-0" title="PDF viewer" />
);
// ── File Viewer modal ──
export const FileViewer = ({ open, onOpenChange, filePath, fileName, root }: FileViewerProps) => {
const [content, setContent] = useState<string | null>(null);
const [loading, setLoading] = useState(false);
const [error, setError] = useState<string | null>(null);
const [expanded, setExpanded] = useState(false);
const [ttsLoading, setTtsLoading] = useState(false);
const [ttsPlaying, setTtsPlaying] = useState(false);
const ttsAudioRef = useRef<HTMLAudioElement | null>(null);
const ttsUrlRef = useRef<string | null>(null);
const scrollRef = useRef<HTMLDivElement>(null);
const files = useFiles(root);
const fileType = getFileType(fileName);
useEffect(() => {
if (!open) {
setContent(null);
setError(null);
setExpanded(false);
if (ttsAudioRef.current) {
ttsAudioRef.current.pause();
ttsAudioRef.current = null;
}
if (ttsUrlRef.current) {
URL.revokeObjectURL(ttsUrlRef.current);
ttsUrlRef.current = null;
}
setTtsLoading(false);
setTtsPlaying(false);
return;
}
// Media types stream via URL — no text fetch needed
if (fileType === 'audio' || fileType === 'video' || fileType === 'image' || fileType === 'pdf') {
setLoading(false);
return;
}
setLoading(true);
setError(null);
files
.readFile(filePath)
.then((res) => setContent(res.content))
.catch(() => setError('Failed to read file'))
.finally(() => setLoading(false));
}, [open, filePath]);
const handleDownload = () => {
const url = getRawUrl(filePath, root);
const a = document.createElement('a');
a.href = url;
a.download = fileName;
a.click();
};
const handleReadAloud = async () => {
if (ttsPlaying) {
if (ttsAudioRef.current) {
ttsAudioRef.current.pause();
ttsAudioRef.current = null;
}
if (ttsUrlRef.current) {
URL.revokeObjectURL(ttsUrlRef.current);
ttsUrlRef.current = null;
}
setTtsPlaying(false);
return;
}
setTtsLoading(true);
try {
const res = await fetch('http://alpha:9051/v1/audio/speech', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ model: 'kokoro', input: content, voice: 'af_heart', response_format: 'mp3' }),
});
if (!res.ok) throw new Error('TTS request failed');
const blob = await res.blob();
const url = URL.createObjectURL(blob);
ttsUrlRef.current = url;
const audio = new Audio(url);
ttsAudioRef.current = audio;
audio.addEventListener('ended', () => {
setTtsPlaying(false);
ttsAudioRef.current = null;
URL.revokeObjectURL(url);
ttsUrlRef.current = null;
});
await audio.play();
setTtsPlaying(true);
} catch {
toast.error('Failed to generate speech audio');
if (ttsUrlRef.current) {
URL.revokeObjectURL(ttsUrlRef.current);
ttsUrlRef.current = null;
}
ttsAudioRef.current = null;
setTtsPlaying(false);
} finally {
setTtsLoading(false);
}
};
const headerIcon =
fileType === 'audio' ? (
<Music className="h-4 w-4 text-duck-teal shrink-0" />
) : fileType === 'video' ? (
<Film className="h-4 w-4 text-duck-orange shrink-0" />
) : fileType === 'image' ? (
<Image className="h-4 w-4 text-duck-yellow shrink-0" />
) : fileType === 'pdf' ? (
<FileType2 className="h-4 w-4 text-red-500 shrink-0" />
) : (
<span className="inline-flex h-4 w-4 shrink-0" dangerouslySetInnerHTML={{ __html: getIcon(fileName).svg }} />
);
const videoSrc =
fileType === 'video'
? needsTranscode(fileName)
? getTranscodeUrl(filePath, root)
: getRawUrl(filePath, root)
: '';
return (
<Dialog open={open} onOpenChange={onOpenChange}>
<DialogPortal>
<DialogOverlay className="z-[600] bg-black/60 backdrop-blur-sm" />
<DialogPrimitive.Content
onOpenAutoFocus={(ev) => ev.preventDefault()}
className={`fixed left-[50%] top-[50%] z-[600] translate-x-[-50%] translate-y-[-50%] flex flex-col overflow-hidden rounded-xl border-2 border-duck-dark/30 shadow-2xl duration-200 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 ${
expanded ? 'w-[95vw] h-[95vh]' : 'w-[90vw] max-w-4xl h-[85vh]'
}`}
style={
fileType === 'video'
? { backgroundColor: '#000' }
: cardStyle({
backgroundColor: 'rgba(255, 255, 255, 0.97)',
backgroundImage: `
linear-gradient(to right, rgba(20, 83, 45, 0.04) 1px, transparent 1px),
linear-gradient(to bottom, rgba(20, 83, 45, 0.04) 1px, transparent 1px)
`,
})
}
>
{/* Header */}
<div
className={`shrink-0 flex items-center gap-3 px-5 py-3 border-b ${
fileType === 'video' ? 'border-white/10 bg-black/80' : 'border-duck-dark/10 bg-white/60'
}`}
>
{headerIcon}
<span
className={`text-sm font-semibold truncate flex-1 ${
fileType === 'video' ? 'text-white' : 'text-duck-dark'
}`}
>
{fileName}
</span>
<span
className={`text-[10px] font-mono uppercase tracking-wider shrink-0 ${
fileType === 'video' ? 'text-white/40' : 'text-duck-dark/40'
}`}
>
{fileType === 'code' ? getLang(fileName) : fileType}
</span>
{(fileType === 'markdown' || fileType === 'code' || fileType === 'text') && content && (
<button
onClick={handleReadAloud}
disabled={ttsLoading}
className="p-1.5 rounded-md text-duck-dark/40 hover:text-duck-dark hover:bg-duck-dark/5 disabled:opacity-40 transition-colors cursor-pointer"
title="Read Aloud"
>
{ttsLoading ? (
<Loader2 className="h-4 w-4 animate-spin" />
) : ttsPlaying ? (
<Square className="h-4 w-4" />
) : (
<Volume2 className="h-4 w-4" />
)}
</button>
)}
<button
onClick={handleDownload}
className={`p-1.5 rounded-md transition-colors cursor-pointer ${
fileType === 'video'
? 'text-white/40 hover:text-white hover:bg-white/10'
: 'text-duck-dark/40 hover:text-duck-dark hover:bg-duck-dark/5'
}`}
title="Download"
>
<Download className="h-4 w-4" />
</button>
<button
onClick={() => setExpanded((e) => !e)}
className={`p-1.5 rounded-md transition-colors cursor-pointer ${
fileType === 'video'
? 'text-white/40 hover:text-white hover:bg-white/10'
: 'text-duck-dark/40 hover:text-duck-dark hover:bg-duck-dark/5'
}`}
title={expanded ? 'Collapse' : 'Expand'}
>
{expanded ? <Minimize2 className="h-4 w-4" /> : <Maximize2 className="h-4 w-4" />}
</button>
<DialogPrimitive.Close
className={`p-1.5 rounded-md transition-colors cursor-pointer ${
fileType === 'video'
? 'text-white/40 hover:text-white hover:bg-white/10'
: 'text-duck-dark/40 hover:text-duck-dark hover:bg-duck-dark/5'
}`}
>
<X className="h-4 w-4" />
</DialogPrimitive.Close>
</div>
{/* Content */}
<div ref={scrollRef} className="flex-1 min-h-0 overflow-auto">
{loading ? (
<div className="flex items-center justify-center h-full">
<Loader2 className="h-6 w-6 text-duck-teal animate-spin" />
</div>
) : error ? (
<div className="flex items-center justify-center h-full">
<span className="text-sm text-red-500">{error}</span>
</div>
) : fileType === 'pdf' ? (
<PdfRenderer src={getRawUrl(filePath, root)} />
) : fileType === 'image' ? (
<ImageRenderer src={getRawUrl(filePath, root)} fileName={fileName} />
) : fileType === 'video' ? (
<VideoRenderer src={videoSrc} fileName={fileName} />
) : fileType === 'audio' ? (
<AudioRenderer src={getRawUrl(filePath, root)} fileName={fileName} />
) : content !== null ? (
fileType === 'code' ? (
<div>
<CodeRenderer content={content} lang={getLang(fileName)} />
<ScrollToTopButton scrollContainer={scrollRef} />
</div>
) : (
<div className="px-8 py-6">
{fileType === 'markdown' ? (
<MarkdownRenderer content={content} scrollContainer={scrollRef} />
) : (
<TextRenderer content={content} />
)}
<ScrollToTopButton scrollContainer={scrollRef} />
</div>
)
) : null}
</div>
</DialogPrimitive.Content>
</DialogPortal>
</Dialog>
);
};