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import {
Settings,
Sun,
Moon,
Monitor,
ArrowLeft,
Loader2,
Download,
FileDown,
Package,
Archive,
} from 'lucide-react';
import { useI18n } from '@/lib/hooks/use-i18n';
import { useTheme } from '@/lib/hooks/use-theme';
import { LanguageSwitcher } from './language-switcher';
import { useState, useEffect, useRef, useCallback } from 'react';
import { useNavigate } from 'react-router-dom';
import { SettingsDialog } from './settings';
import { cn } from '@/lib/utils';
import { useStageStore } from '@/lib/store/stage';
import { useMediaGenerationStore } from '@/lib/store/media-generation';
import { useExportPPTX } from '@/lib/export/use-export-pptx';
import { useExportClassroom } from '@/lib/export/use-export-classroom';
interface HeaderProps {
readonly currentSceneTitle: string;
}
export function Header({ currentSceneTitle }: HeaderProps) {
const { t } = useI18n();
const { theme, setTheme } = useTheme();
const router = useNavigate();
const [settingsOpen, setSettingsOpen] = useState(false);
const [themeOpen, setThemeOpen] = useState(false);
// Export
const { exporting: isExporting, exportPPTX, exportResourcePack } = useExportPPTX();
const { exporting: isExportingZip, exportClassroomZip } = useExportClassroom();
const [exportMenuOpen, setExportMenuOpen] = useState(false);
const exportRef = useRef<HTMLDivElement>(null);
const scenes = useStageStore((s) => s.scenes);
const generatingOutlines = useStageStore((s) => s.generatingOutlines);
const failedOutlines = useStageStore((s) => s.failedOutlines);
const mediaTasks = useMediaGenerationStore((s) => s.tasks);
const canExport =
scenes.length > 0 &&
generatingOutlines.length === 0 &&
failedOutlines.length === 0 &&
Object.values(mediaTasks).every((task) => task.status === 'done' || task.status === 'failed');
const themeRef = useRef<HTMLDivElement>(null);
// Close dropdown when clicking outside
const handleClickOutside = useCallback(
(e: MouseEvent) => {
if (themeOpen && themeRef.current && !themeRef.current.contains(e.target as Node)) {
setThemeOpen(false);
}
if (exportMenuOpen && exportRef.current && !exportRef.current.contains(e.target as Node)) {
setExportMenuOpen(false);
}
},
[themeOpen, exportMenuOpen],
);
useEffect(() => {
if (themeOpen || exportMenuOpen) {
document.addEventListener('mousedown', handleClickOutside);
return () => document.removeEventListener('mousedown', handleClickOutside);
}
}, [themeOpen, exportMenuOpen, handleClickOutside]);
return (
<>
<header className="h-20 px-8 flex items-center justify-between z-10 bg-transparent gap-4">
<div className="flex items-center gap-3 min-w-0 flex-1">
<button
onClick={() => router('/')}
className="shrink-0 p-2 rounded-lg text-gray-400 dark:text-gray-500 hover:bg-gray-100 dark:hover:bg-gray-800 hover:text-gray-700 dark:hover:text-gray-300 transition-colors"
title={t('generation.backToHome')}
>
<ArrowLeft className="w-5 h-5" />
</button>
<div className="flex flex-col min-w-0">
<span className="text-[10px] uppercase tracking-widest font-bold text-gray-400 dark:text-gray-500 mb-0.5">
{t('stage.currentScene')}
</span>
<h1
className="text-xl font-bold text-gray-800 dark:text-gray-200 tracking-tight truncate"
suppressHydrationWarning
>
{currentSceneTitle || t('common.loading')}
</h1>
</div>
</div>
<div className="flex items-center gap-4 bg-white/60 dark:bg-gray-800/60 backdrop-blur-md px-2 py-1.5 rounded-full border border-gray-100/50 dark:border-gray-700/50 shadow-sm shrink-0">
{/* Language Selector */}
<LanguageSwitcher onOpen={() => setThemeOpen(false)} />
<div className="w-[1px] h-4 bg-gray-200 dark:bg-gray-700" />
{/* Theme Selector */}
<div className="relative" ref={themeRef}>
<button
onClick={() => {
setThemeOpen(!themeOpen);
}}
className="p-2 rounded-full text-gray-400 dark:text-gray-500 hover:bg-white dark:hover:bg-gray-700 hover:text-gray-800 dark:hover:text-gray-200 hover:shadow-sm transition-all group"
>
{theme === 'light' && <Sun className="w-4 h-4" />}
{theme === 'dark' && <Moon className="w-4 h-4" />}
{theme === 'system' && <Monitor className="w-4 h-4" />}
</button>
{themeOpen && (
<div className="absolute top-full mt-2 right-0 bg-white dark:bg-gray-800 border border-gray-200 dark:border-gray-700 rounded-lg shadow-lg overflow-hidden z-50 min-w-[140px]">
<button
onClick={() => {
setTheme('light');
setThemeOpen(false);
}}
className={cn(
'w-full px-4 py-2 text-left text-sm hover:bg-gray-100 dark:hover:bg-gray-700 transition-colors flex items-center gap-2',
theme === 'light' &&
'bg-purple-50 dark:bg-purple-900/20 text-purple-600 dark:text-purple-400',
)}
>
<Sun className="w-4 h-4" />
{t('settings.themeOptions.light')}
</button>
<button
onClick={() => {
setTheme('dark');
setThemeOpen(false);
}}
className={cn(
'w-full px-4 py-2 text-left text-sm hover:bg-gray-100 dark:hover:bg-gray-700 transition-colors flex items-center gap-2',
theme === 'dark' &&
'bg-purple-50 dark:bg-purple-900/20 text-purple-600 dark:text-purple-400',
)}
>
<Moon className="w-4 h-4" />
{t('settings.themeOptions.dark')}
</button>
<button
onClick={() => {
setTheme('system');
setThemeOpen(false);
}}
className={cn(
'w-full px-4 py-2 text-left text-sm hover:bg-gray-100 dark:hover:bg-gray-700 transition-colors flex items-center gap-2',
theme === 'system' &&
'bg-purple-50 dark:bg-purple-900/20 text-purple-600 dark:text-purple-400',
)}
>
<Monitor className="w-4 h-4" />
{t('settings.themeOptions.system')}
</button>
</div>
)}
</div>
<div className="w-[1px] h-4 bg-gray-200 dark:bg-gray-700" />
{/* Settings Button */}
<div className="relative">
<button
onClick={() => setSettingsOpen(true)}
className="p-2 rounded-full text-gray-400 dark:text-gray-500 hover:bg-white dark:hover:bg-gray-700 hover:text-gray-800 dark:hover:text-gray-200 hover:shadow-sm transition-all group"
>
<Settings className="w-4 h-4 group-hover:rotate-90 transition-transform duration-500" />
</button>
</div>
</div>
{/* Export Dropdown */}
<div className="relative" ref={exportRef}>
<button
onClick={() => {
if (canExport && !isExporting && !isExportingZip) setExportMenuOpen(!exportMenuOpen);
}}
disabled={!canExport || isExporting || isExportingZip}
title={
canExport
? isExporting || isExportingZip
? t('export.exporting')
: t('export.pptx')
: t('share.notReady')
}
className={cn(
'shrink-0 p-2 rounded-full transition-all',
canExport && !isExporting && !isExportingZip
? 'text-gray-400 dark:text-gray-500 hover:bg-white dark:hover:bg-gray-700 hover:text-gray-800 dark:hover:text-gray-200 hover:shadow-sm'
: 'text-gray-300 dark:text-gray-600 cursor-not-allowed opacity-50',
)}
>
{isExporting || isExportingZip ? (
<Loader2 className="w-4 h-4 animate-spin" />
) : (
<Download className="w-4 h-4" />
)}
</button>
{exportMenuOpen && (
<div className="absolute top-full mt-2 right-0 bg-white dark:bg-gray-800 border border-gray-200 dark:border-gray-700 rounded-lg shadow-lg overflow-hidden z-50 min-w-[200px]">
<button
onClick={() => {
setExportMenuOpen(false);
exportPPTX();
}}
className="w-full px-4 py-2.5 text-left text-sm hover:bg-gray-100 dark:hover:bg-gray-700 transition-colors flex items-center gap-2.5"
>
<FileDown className="w-4 h-4 text-gray-400 shrink-0" />
<span>{t('export.pptx')}</span>
</button>
<button
onClick={() => {
setExportMenuOpen(false);
exportResourcePack();
}}
className="w-full px-4 py-2.5 text-left text-sm hover:bg-gray-100 dark:hover:bg-gray-700 transition-colors flex items-center gap-2.5"
>
<Package className="w-4 h-4 text-gray-400 shrink-0" />
<div>
<div>{t('export.resourcePack')}</div>
<div className="text-[11px] text-gray-400 dark:text-gray-500">
{t('export.resourcePackDesc')}
</div>
</div>
</button>
<button
onClick={() => {
setExportMenuOpen(false);
exportClassroomZip();
}}
disabled={isExportingZip}
className="w-full px-4 py-2.5 text-left text-sm hover:bg-gray-100 dark:hover:bg-gray-700 transition-colors flex items-center gap-2.5"
>
<Archive className="w-4 h-4 text-gray-400 shrink-0" />
<div>
<div>{t('export.classroomZip')}</div>
<div className="text-[11px] text-gray-400 dark:text-gray-500">
{t('export.classroomZipDesc')}
</div>
</div>
</button>
</div>
)}
</div>
</header>
<SettingsDialog open={settingsOpen} onOpenChange={setSettingsOpen} />
</>
);
}
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