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import { useState, useEffect, useMemo, useRef, useDeferredValue } from 'react';
import { useNavigate } from 'react-router-dom';
import { motion, AnimatePresence } from 'motion/react';
import {
ArrowUp,
Check,
ChevronDown,
Clock,
Copy,
ImagePlus,
Pencil,
Trash2,
Search,
Settings,
Sun,
Moon,
Monitor,
BotOff,
ChevronUp,
Upload,
Sparkles,
Atom,
X,
} from 'lucide-react';
import { useI18n } from '@/lib/hooks/use-i18n';
import { LanguageSwitcher } from '@/components/language-switcher';
import { createLogger } from '@/lib/logger';
import { Button } from '@/components/ui/button';
import { InputGroup, InputGroupInput, InputGroupButton } from '@/components/ui/input-group';
import { Textarea as UITextarea } from '@/components/ui/textarea';
import { cn } from '@/lib/utils';
import { SettingsDialog } from '@/components/settings';
import { GenerationToolbar } from '@/components/generation/generation-toolbar';
import { AgentBar } from '@/components/agent/agent-bar';
import { useTheme } from '@/lib/hooks/use-theme';
import { nanoid } from 'nanoid';
import { storePdfBlob } from '@/lib/utils/image-storage';
import type { UserRequirements } from '@/lib/types/generation';
import { useSettingsStore } from '@/lib/store/settings';
import { useUserProfileStore, AVATAR_OPTIONS } from '@/lib/store/user-profile';
import {
StageListItem,
listStages,
deleteStageData,
renameStage,
getFirstSlideByStages,
} from '@/lib/utils/stage-storage';
import { ThumbnailSlide } from '@/components/slide-renderer/components/ThumbnailSlide';
import type { Slide } from '@/lib/types/slides';
import { useMediaGenerationStore } from '@/lib/store/media-generation';
import { toast } from 'sonner';
import { Tooltip, TooltipContent, TooltipTrigger } from '@/components/ui/tooltip';
import { useDraftCache } from '@/lib/hooks/use-draft-cache';
import { SpeechButton } from '@/components/audio/speech-button';
import { useImportClassroom } from '@/lib/import/use-import-classroom';
const log = createLogger('Home');
const WEB_SEARCH_STORAGE_KEY = 'webSearchEnabled';
const RECENT_OPEN_STORAGE_KEY = 'recentClassroomsOpen';
const INTERACTIVE_MODE_STORAGE_KEY = 'interactiveModeEnabled';
interface FormState {
pdfFile: File | null;
requirement: string;
webSearch: boolean;
interactiveMode: boolean;
}
const initialFormState: FormState = {
pdfFile: null,
requirement: '',
webSearch: false,
interactiveMode: false,
};
function HomePage() {
const { t } = useI18n();
const { theme, setTheme } = useTheme();
const navigate = useNavigate();
const [form, setForm] = useState<FormState>(initialFormState);
const [settingsOpen, setSettingsOpen] = useState(false);
const [settingsSection, setSettingsSection] = useState<
import('@/lib/types/settings').SettingsSection | undefined
>(undefined);
// Draft cache for requirement text
const { cachedValue: cachedRequirement, updateCache: updateRequirementCache } =
useDraftCache<string>({ key: 'requirementDraft' });
// Model setup state
const currentModelId = useSettingsStore((s) => s.modelId);
const [recentOpen, setRecentOpen] = useState(true);
const persistRecentOpen = (next: boolean) => {
setRecentOpen(next);
try {
localStorage.setItem(RECENT_OPEN_STORAGE_KEY, String(next));
} catch {
/* ignore */
}
};
// Hydrate client-only state after mount (avoids SSR mismatch)
/* eslint-disable react-hooks/set-state-in-effect -- Hydration from localStorage must happen in effect */
useEffect(() => {
try {
const saved = localStorage.getItem(RECENT_OPEN_STORAGE_KEY);
if (saved !== null) setRecentOpen(saved !== 'false');
} catch {
/* localStorage unavailable */
}
try {
const savedWebSearch = localStorage.getItem(WEB_SEARCH_STORAGE_KEY);
const savedInteractiveMode = localStorage.getItem(INTERACTIVE_MODE_STORAGE_KEY);
const updates: Partial<FormState> = {};
if (savedWebSearch === 'true') updates.webSearch = true;
if (savedInteractiveMode === 'true') updates.interactiveMode = true;
if (Object.keys(updates).length > 0) {
setForm((prev) => ({ ...prev, ...updates }));
}
} catch {
/* localStorage unavailable */
}
}, []);
/* eslint-enable react-hooks/set-state-in-effect */
// Restore requirement draft from cache (derived state pattern — no effect needed)
const [prevCachedRequirement, setPrevCachedRequirement] = useState(cachedRequirement);
if (cachedRequirement !== prevCachedRequirement) {
setPrevCachedRequirement(cachedRequirement);
if (cachedRequirement) {
setForm((prev) => ({ ...prev, requirement: cachedRequirement }));
}
}
const [themeOpen, setThemeOpen] = useState(false);
const [error, setError] = useState<string | null>(null);
const [classrooms, setClassrooms] = useState<StageListItem[]>([]);
const [thumbnails, setThumbnails] = useState<Record<string, Slide>>({});
const [pendingDeleteId, setPendingDeleteId] = useState<string | null>(null);
const [searchOpen, setSearchOpen] = useState(false);
const [searchQuery, setSearchQuery] = useState('');
const searchInputRef = useRef<HTMLInputElement>(null);
const searchButtonRef = useRef<HTMLButtonElement>(null);
const toolbarRef = useRef<HTMLDivElement>(null);
const textareaRef = useRef<HTMLTextAreaElement>(null);
// Close dropdowns when clicking outside
useEffect(() => {
if (!themeOpen) return;
const handleClickOutside = (e: MouseEvent) => {
if (toolbarRef.current && !toolbarRef.current.contains(e.target as Node)) {
setThemeOpen(false);
}
};
document.addEventListener('mousedown', handleClickOutside);
return () => document.removeEventListener('mousedown', handleClickOutside);
}, [themeOpen]);
const loadClassrooms = async () => {
try {
const list = await listStages();
setClassrooms(list);
// Load first slide thumbnails
if (list.length > 0) {
const slides = await getFirstSlideByStages(list.map((c) => c.id));
setThumbnails(slides);
}
} catch (err) {
log.error('Failed to load classrooms:', err);
}
};
const { importing, fileInputRef, triggerFileSelect, handleFileChange } = useImportClassroom(
() => {
loadClassrooms();
},
);
useEffect(() => {
// Clear stale media store to prevent cross-course thumbnail contamination.
// The store may hold tasks from a previously visited classroom whose elementIds
// (gen_img_1, etc.) collide with other courses' placeholders.
useMediaGenerationStore.getState().revokeObjectUrls();
useMediaGenerationStore.setState({ tasks: {} });
// eslint-disable-next-line react-hooks/set-state-in-effect -- Store hydration on mount
loadClassrooms();
}, []);
const handleDelete = (id: string, e: React.MouseEvent) => {
e.stopPropagation();
setPendingDeleteId(id);
};
const confirmDelete = async (id: string) => {
setPendingDeleteId(null);
try {
await deleteStageData(id);
await loadClassrooms();
} catch (err) {
log.error('Failed to delete classroom:', err);
toast.error('Failed to delete classroom');
}
};
const handleRename = async (id: string, newName: string) => {
try {
await renameStage(id, newName);
setClassrooms((prev) => prev.map((c) => (c.id === id ? { ...c, name: newName } : c)));
} catch (err) {
log.error('Failed to rename classroom:', err);
toast.error(t('classroom.renameFailed'));
}
};
const deferredSearchQuery = useDeferredValue(searchQuery);
const filteredClassrooms = useMemo(() => {
const q = deferredSearchQuery.trim().toLowerCase();
if (!q) return classrooms;
return classrooms.filter((c) => {
const name = c.name?.toLowerCase() ?? '';
const desc = c.description?.toLowerCase() ?? '';
return name.includes(q) || desc.includes(q);
});
}, [classrooms, deferredSearchQuery]);
const updateForm = <K extends keyof FormState>(field: K, value: FormState[K]) => {
setForm((prev) => ({ ...prev, [field]: value }));
try {
if (field === 'webSearch') localStorage.setItem(WEB_SEARCH_STORAGE_KEY, String(value));
if (field === 'interactiveMode')
localStorage.setItem(INTERACTIVE_MODE_STORAGE_KEY, String(value));
if (field === 'requirement') updateRequirementCache(value as string);
} catch {
/* ignore */
}
};
const showSetupToast = (icon: React.ReactNode, title: string, desc: string) => {
toast.custom(
(id) => (
<div
className="w-[356px] rounded-xl border border-amber-200/60 dark:border-amber-800/40 bg-gradient-to-r from-amber-50 via-white to-amber-50 dark:from-amber-950/60 dark:via-slate-900 dark:to-amber-950/60 shadow-lg shadow-amber-500/8 dark:shadow-amber-900/20 p-4 flex items-start gap-3 cursor-pointer"
onClick={() => {
toast.dismiss(id);
setSettingsOpen(true);
}}
>
<div className="shrink-0 mt-0.5 size-9 rounded-lg bg-amber-100 dark:bg-amber-900/40 flex items-center justify-center ring-1 ring-amber-200/50 dark:ring-amber-800/30">
{icon}
</div>
<div className="flex-1 min-w-0">
<p className="text-sm font-semibold text-amber-900 dark:text-amber-200 leading-tight">
{title}
</p>
<p className="text-xs text-amber-700/80 dark:text-amber-400/70 mt-0.5 leading-relaxed">
{desc}
</p>
</div>
<div className="shrink-0 mt-1 text-[10px] font-medium text-amber-500 dark:text-amber-500/70 tracking-wide">
<Settings className="size-3.5 animate-[spin_3s_linear_infinite]" />
</div>
</div>
),
{ duration: 4000 },
);
};
const handleGenerate = async () => {
// Validate setup before proceeding
if (!currentModelId) {
showSetupToast(
<BotOff className="size-4.5 text-amber-600 dark:text-amber-400" />,
t('settings.modelNotConfigured'),
t('settings.setupNeeded'),
);
setSettingsOpen(true);
return;
}
if (!form.requirement.trim()) {
setError(t('upload.requirementRequired'));
return;
}
setError(null);
try {
const userProfile = useUserProfileStore.getState();
const requirements: UserRequirements = {
requirement: form.requirement,
userNickname: userProfile.nickname || undefined,
userBio: userProfile.bio || undefined,
webSearch: form.webSearch || undefined,
interactiveMode: form.interactiveMode,
};
let pdfStorageKey: string | undefined;
let pdfFileName: string | undefined;
let pdfProviderId: string | undefined;
let pdfProviderConfig: { apiKey?: string; baseUrl?: string } | undefined;
if (form.pdfFile) {
pdfStorageKey = await storePdfBlob(form.pdfFile);
pdfFileName = form.pdfFile.name;
const settings = useSettingsStore.getState();
pdfProviderId = settings.pdfProviderId;
const providerCfg = settings.pdfProvidersConfig?.[settings.pdfProviderId];
if (providerCfg) {
pdfProviderConfig = {
apiKey: providerCfg.apiKey,
baseUrl: providerCfg.baseUrl,
};
}
}
const sessionState = {
sessionId: nanoid(),
requirements,
pdfText: '',
pdfImages: [],
imageStorageIds: [],
pdfStorageKey,
pdfFileName,
pdfProviderId,
pdfProviderConfig,
sceneOutlines: null,
currentStep: 'generating' as const,
};
sessionStorage.setItem('generationSession', JSON.stringify(sessionState));
navigate('/generation-preview');
} catch (err) {
log.error('Error preparing generation:', err);
setError(err instanceof Error ? err.message : t('upload.generateFailed'));
}
};
const formatDate = (timestamp: number) => {
const date = new Date(timestamp);
const now = new Date();
const diffTime = Math.abs(now.getTime() - date.getTime());
const diffDays = Math.floor(diffTime / (1000 * 60 * 60 * 24));
if (diffDays === 0) return t('classroom.today');
if (diffDays === 1) return t('classroom.yesterday');
if (diffDays < 7) return `${diffDays} ${t('classroom.daysAgo')}`;
return date.toLocaleDateString();
};
const canGenerate = !!form.requirement.trim();
const handleKeyDown = (e: React.KeyboardEvent<HTMLTextAreaElement>) => {
if ((e.metaKey || e.ctrlKey) && e.key === 'Enter') {
e.preventDefault();
if (canGenerate) handleGenerate();
}
};
return (
<div className="min-h-[100dvh] w-full bg-gradient-to-b from-slate-50 to-slate-100 dark:from-slate-950 dark:to-slate-900 flex flex-col items-center p-4 pt-16 md:p-8 md:pt-16 overflow-x-hidden">
<input
ref={fileInputRef}
type="file"
accept=".zip"
onChange={handleFileChange}
className="hidden"
/>
{/* ═══ Top-right pill (unchanged) ═══ */}
<div
ref={toolbarRef}
className="fixed top-4 right-4 z-50 flex items-center gap-1 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"
>
{/* Language Selector */}
<LanguageSwitcher onOpen={() => setThemeOpen(false)} />
<div className="w-[1px] h-4 bg-gray-200 dark:bg-gray-700" />
{/* Theme Selector */}
<div className="relative">
<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"
>
{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>
<SettingsDialog
open={settingsOpen}
onOpenChange={(open) => {
setSettingsOpen(open);
if (!open) setSettingsSection(undefined);
}}
initialSection={settingsSection}
/>
{/* ═══ Background Decor ═══ */}
<div className="absolute inset-0 overflow-hidden pointer-events-none">
<div
className="absolute top-0 left-1/4 w-96 h-96 bg-blue-500/10 rounded-full blur-3xl animate-pulse"
style={{ animationDuration: '4s' }}
/>
<div
className="absolute bottom-0 right-1/4 w-96 h-96 bg-purple-500/10 rounded-full blur-3xl animate-pulse"
style={{ animationDuration: '6s' }}
/>
</div>
{/* ═══ Hero section: title + input (centered, wider) ═══ */}
<motion.div
initial={{ opacity: 0, y: 20 }}
animate={{ opacity: 1, y: 0 }}
transition={{ duration: 0.6, ease: 'easeOut' }}
className={cn(
'relative z-20 w-full max-w-[800px] flex flex-col items-center',
classrooms.length === 0 ? 'justify-center min-h-[calc(100dvh-8rem)]' : 'mt-[10vh]',
)}
>
{/* ── Logo ── */}
<motion.img
src="/logo-horizontal.png"
alt="MultiMind Classroom"
initial={{ opacity: 0, scale: 0.9 }}
animate={{ opacity: 1, scale: 1 }}
transition={{
delay: 0.1,
type: 'spring',
stiffness: 200,
damping: 20,
}}
className="h-12 md:h-16 mb-2 -ml-2 md:-ml-3"
/>
{/* ── Slogan ── */}
<motion.p
initial={{ opacity: 0 }}
animate={{ opacity: 1 }}
transition={{ delay: 0.25 }}
className="text-sm text-muted-foreground/60 mb-8"
>
{t('home.slogan')}
</motion.p>
{/* ── Unified input area ── */}
<motion.div
initial={{ opacity: 0, scale: 0.97 }}
animate={{ opacity: 1, scale: 1 }}
transition={{ delay: 0.35 }}
className="w-full"
>
<div className="w-full rounded-2xl border border-border/60 bg-white/80 dark:bg-slate-900/80 backdrop-blur-xl shadow-xl shadow-black/[0.03] dark:shadow-black/20 transition-shadow focus-within:shadow-2xl focus-within:shadow-violet-500/[0.06]">
{/* ── Greeting + Profile + Agents ── */}
<div className="relative z-20 flex items-start justify-between">
<GreetingBar />
<div className="pr-3 pt-3.5 shrink-0">
<AgentBar />
</div>
</div>
{/* Textarea */}
<textarea
ref={textareaRef}
placeholder={t('upload.requirementPlaceholder')}
className="w-full resize-none border-0 bg-transparent px-4 pt-1 pb-2 text-[13px] leading-relaxed placeholder:text-muted-foreground/40 focus:outline-none min-h-[140px] max-h-[300px]"
value={form.requirement}
onChange={(e) => updateForm('requirement', e.target.value)}
onKeyDown={handleKeyDown}
rows={4}
/>
{/* Toolbar row */}
<div className="px-3 pb-3 flex items-end gap-2">
<div className="flex-1 min-w-0">
<GenerationToolbar
webSearch={form.webSearch}
onWebSearchChange={(v) => updateForm('webSearch', v)}
onSettingsOpen={(section) => {
setSettingsSection(section);
setSettingsOpen(true);
}}
pdfFile={form.pdfFile}
onPdfFileChange={(f) => updateForm('pdfFile', f)}
onPdfError={setError}
/>
</div>
{/* Interactive mode toggle */}
<Tooltip>
<TooltipTrigger asChild>
<motion.button
whileTap={{ scale: 0.95 }}
transition={{ type: 'spring', stiffness: 400, damping: 17 }}
onClick={() => updateForm('interactiveMode', !form.interactiveMode)}
className={cn(
'relative inline-flex items-center gap-1.5 rounded-full px-3 py-1.5 text-xs font-medium transition-all cursor-pointer select-none whitespace-nowrap border shrink-0 h-8',
form.interactiveMode
? 'bg-cyan-100 dark:bg-cyan-900/30 text-cyan-700 dark:text-cyan-300 border-cyan-500 shadow-[0_0_12px_rgba(6,182,212,0.35)] dark:shadow-[0_0_12px_rgba(6,182,212,0.25)]'
: 'border-cyan-300/60 text-cyan-600 dark:text-cyan-400 hover:bg-cyan-50 dark:hover:bg-cyan-900/20',
)}
>
{form.interactiveMode && (
<span
className="absolute inset-[-4px] rounded-full border border-cyan-400/40 dark:border-cyan-400/25"
style={{
animation: 'interactive-mode-breathe 2s ease-in-out infinite',
}}
/>
)}
<Atom className="size-3.5 relative z-10 animate-[spin_3s_linear_infinite]" />
<span className="relative z-10">{t('toolbar.interactiveModeLabel')}</span>
</motion.button>
</TooltipTrigger>
<TooltipContent side="top" className="text-xs">
{t('toolbar.interactiveModeHint')}
</TooltipContent>
</Tooltip>
{/* Voice input */}
<SpeechButton
size="md"
onTranscription={(text) => {
setForm((prev) => {
const next = prev.requirement + (prev.requirement ? ' ' : '') + text;
updateRequirementCache(next);
return { ...prev, requirement: next };
});
}}
/>
{/* Send button */}
<button
onClick={handleGenerate}
disabled={!canGenerate}
className={cn(
'shrink-0 h-8 rounded-lg flex items-center justify-center gap-1.5 transition-all px-3',
canGenerate
? 'bg-primary text-primary-foreground hover:opacity-90 shadow-sm cursor-pointer'
: 'bg-muted text-muted-foreground/40 cursor-not-allowed',
)}
>
<span className="text-xs font-medium">{t('toolbar.enterClassroom')}</span>
<ArrowUp className="size-3.5" />
</button>
</div>
</div>
</motion.div>
{/* ── Error ── */}
<AnimatePresence>
{error && (
<motion.div
initial={{ opacity: 0, height: 0 }}
animate={{ opacity: 1, height: 'auto' }}
exit={{ opacity: 0, height: 0 }}
className="mt-3 w-full p-3 bg-destructive/10 border border-destructive/20 rounded-lg"
>
<p className="text-sm text-destructive">{error}</p>
</motion.div>
)}
</AnimatePresence>
{/* ── Import button (empty state) ── */}
{classrooms.length === 0 && (
<button
onClick={triggerFileSelect}
disabled={importing}
className="relative z-10 mt-4 flex items-center gap-1.5 text-[12px] text-muted-foreground/40 hover:text-foreground/60 transition-colors"
>
<Upload className="size-3.5" />
<span>{t('import.classroom')}</span>
</button>
)}
</motion.div>
{/* ═══ Recent classrooms — collapsible ═══ */}
{classrooms.length > 0 && (
<motion.div
initial={{ opacity: 0 }}
animate={{ opacity: 1 }}
transition={{ delay: 0.5 }}
className="relative z-10 mt-10 w-full max-w-6xl flex flex-col items-center"
>
{/* Trigger — divider-line with centered text */}
<div className="group w-full flex items-center gap-4 py-2">
<div className="flex-1 h-px bg-border/40 group-hover:bg-border/70 transition-colors" />
<div className="shrink-0 flex items-center gap-3 text-[13px] text-muted-foreground/60 select-none">
<button
onClick={() => persistRecentOpen(!recentOpen)}
className="flex items-center gap-2 hover:text-foreground/70 transition-colors cursor-pointer"
>
<Clock className="size-3.5" />
{t('classroom.recentClassrooms')}
<span className="text-[11px] tabular-nums opacity-60">{classrooms.length}</span>
<motion.div
animate={{ rotate: recentOpen ? 180 : 0 }}
transition={{ duration: 0.3, ease: 'easeInOut' }}
>
<ChevronDown className="size-3.5" />
</motion.div>
</button>
{/* Search toggle — icon that expands into an input in place */}
<AnimatePresence initial={false}>
{!searchOpen ? (
<motion.button
key="search-icon"
ref={searchButtonRef}
type="button"
aria-label={t('classroom.searchAriaLabel')}
onClick={() => {
setSearchOpen(true);
if (!recentOpen) persistRecentOpen(true);
requestAnimationFrame(() => searchInputRef.current?.focus());
}}
initial={{ opacity: 0 }}
animate={{ opacity: 1 }}
exit={{ opacity: 0 }}
transition={{ duration: 0.12, ease: 'easeOut' }}
className="flex items-center justify-center size-6 rounded-full text-muted-foreground/50 hover:text-foreground/70 hover:bg-muted/50 transition-colors cursor-pointer"
>
<Search className="size-3.5" />
</motion.button>
) : (
<motion.div
key="search-input"
initial={{ opacity: 0, width: 0 }}
animate={{ opacity: 1, width: 200 }}
exit={{ opacity: 0, width: 0 }}
transition={{ duration: 0.18, ease: [0.25, 0.1, 0.25, 1] }}
className="overflow-hidden"
>
<InputGroup
className={cn(
'h-7 text-[12px] rounded-full bg-muted/40 border-transparent shadow-none',
'transition-colors',
'hover:bg-muted/60',
'has-[[data-slot=input-group-control]:focus-visible]:bg-muted/60',
'has-[[data-slot=input-group-control]:focus-visible]:border-transparent',
'has-[[data-slot=input-group-control]:focus-visible]:ring-0',
)}
>
<InputGroupInput
ref={searchInputRef}
value={searchQuery}
onChange={(e) => setSearchQuery(e.target.value)}
onKeyDown={(e) => {
if (e.key === 'Escape') {
e.preventDefault();
if (searchQuery) {
setSearchQuery('');
} else {
setSearchOpen(false);
requestAnimationFrame(() => searchButtonRef.current?.focus());
}
}
}}
onBlur={() => {
if (!searchQuery) {
setSearchOpen(false);
}
}}
placeholder={t('classroom.searchPlaceholder')}
aria-label={t('classroom.searchAriaLabel')}
className="h-7 pl-3 placeholder:text-muted-foreground/50"
/>
{searchQuery && (
<InputGroupButton
size="icon-xs"
aria-label={t('classroom.clearSearch')}
onMouseDown={(e) => e.preventDefault()}
onClick={() => {
setSearchQuery('');
searchInputRef.current?.focus();
}}
>
<X />
</InputGroupButton>
)}
</InputGroup>
</motion.div>
)}
</AnimatePresence>
<button
onClick={triggerFileSelect}
disabled={importing}
className="group/import grid grid-cols-[auto_0fr] hover:grid-cols-[auto_1fr] items-center gap-1 rounded-full px-1.5 py-0.5 text-[12px] text-muted-foreground/35 hover:text-muted-foreground/70 hover:bg-muted/50 transition-all duration-200 cursor-pointer"
>
<Upload className="size-3" />
<span className="overflow-hidden opacity-0 group-hover/import:opacity-100 transition-opacity duration-200 whitespace-nowrap">
{t('import.classroom')}
</span>
</button>
</div>
<div className="flex-1 h-px bg-border/40 group-hover:bg-border/70 transition-colors" />
</div>
{/* Expandable content */}
<AnimatePresence>
{recentOpen && (
<motion.div
initial={{ height: 0, opacity: 0 }}
animate={{ height: 'auto', opacity: 1 }}
exit={{ height: 0, opacity: 0 }}
transition={{ duration: 0.4, ease: [0.25, 0.1, 0.25, 1] }}
className="w-full overflow-hidden"
>
{searchQuery.trim() && filteredClassrooms.length === 0 ? (
<div className="pt-8 pb-2 text-center text-[13px] text-muted-foreground/60">
{t('classroom.searchEmpty')}
</div>
) : (
<div className="pt-8 grid grid-cols-2 md:grid-cols-3 lg:grid-cols-4 gap-x-5 gap-y-8">
{filteredClassrooms.map((classroom, i) => (
<motion.div
key={classroom.id}
initial={{ opacity: 0, y: 16 }}
animate={{ opacity: 1, y: 0 }}
transition={{
delay: i * 0.04,
duration: 0.35,
ease: 'easeOut',
}}
>
<ClassroomCard
classroom={classroom}
slide={thumbnails[classroom.id]}
formatDate={formatDate}
onDelete={handleDelete}
onRename={handleRename}
confirmingDelete={pendingDeleteId === classroom.id}
onConfirmDelete={() => confirmDelete(classroom.id)}
onCancelDelete={() => setPendingDeleteId(null)}
onClick={() => navigate(`/classroom/${classroom.id}`)} />
</motion.div>
))}
</div>
)}
</motion.div>
)}
</AnimatePresence>
</motion.div>
)}
{/* Footer — flows with content, at the very end */}
<div className="mt-auto pt-12 pb-4 text-center text-xs text-muted-foreground/40">
MultiMind Classroom
</div>
</div>
);
}
// ─── Greeting Bar — avatar + "Hi, Name", click to edit in-place ────
const MAX_AVATAR_SIZE = 5 * 1024 * 1024;
function isCustomAvatar(src: string) {
return src.startsWith('data:');
}
function GreetingBar() {
const { t } = useI18n();
const avatar = useUserProfileStore((s) => s.avatar);
const nickname = useUserProfileStore((s) => s.nickname);
const bio = useUserProfileStore((s) => s.bio);
const setAvatar = useUserProfileStore((s) => s.setAvatar);
const setNickname = useUserProfileStore((s) => s.setNickname);
const setBio = useUserProfileStore((s) => s.setBio);
const [open, setOpen] = useState(false);
const [editingName, setEditingName] = useState(false);
const [nameDraft, setNameDraft] = useState('');
const [avatarPickerOpen, setAvatarPickerOpen] = useState(false);
const nameInputRef = useRef<HTMLInputElement>(null);
const avatarInputRef = useRef<HTMLInputElement>(null);
const containerRef = useRef<HTMLDivElement>(null);
const displayName = nickname || t('profile.defaultNickname');
// Click-outside to collapse
useEffect(() => {
if (!open) return;
const handler = (e: MouseEvent) => {
if (containerRef.current && !containerRef.current.contains(e.target as Node)) {
setOpen(false);
setEditingName(false);
setAvatarPickerOpen(false);
}
};
document.addEventListener('mousedown', handler);
return () => document.removeEventListener('mousedown', handler);
}, [open]);
const startEditName = () => {
setNameDraft(nickname);
setEditingName(true);
setTimeout(() => nameInputRef.current?.focus(), 50);
};
const commitName = () => {
setNickname(nameDraft.trim());
setEditingName(false);
};
const handleAvatarUpload = (e: React.ChangeEvent<HTMLInputElement>) => {
const file = e.target.files?.[0];
if (!file) return;
if (file.size > MAX_AVATAR_SIZE) {
toast.error(t('profile.fileTooLarge'));
return;
}
if (!file.type.startsWith('image/')) {
toast.error(t('profile.invalidFileType'));
return;
}
const reader = new FileReader();
reader.onload = () => {
const img = new window.Image();
img.onload = () => {
const canvas = document.createElement('canvas');
canvas.width = 128;
canvas.height = 128;
const ctx = canvas.getContext('2d')!;
const scale = Math.max(128 / img.width, 128 / img.height);
const w = img.width * scale;
const h = img.height * scale;
ctx.drawImage(img, (128 - w) / 2, (128 - h) / 2, w, h);
setAvatar(canvas.toDataURL('image/jpeg', 0.85));
};
img.src = reader.result as string;
};
reader.readAsDataURL(file);
e.target.value = '';
};
return (
<div ref={containerRef} className="relative pl-4 pr-2 pt-3.5 pb-1 w-auto">
<input
ref={avatarInputRef}
type="file"
accept="image/*"
className="hidden"
onChange={handleAvatarUpload}
/>
{/* ── Collapsed pill (always in flow) ── */}
{!open && (
<div
className="flex items-center gap-2.5 cursor-pointer transition-all duration-200 group rounded-full px-2.5 py-1.5 border border-border/50 text-muted-foreground/70 hover:text-foreground hover:bg-muted/60 active:scale-[0.97]"
onClick={() => setOpen(true)}
>
<div className="shrink-0 relative">
<div className="size-8 rounded-full overflow-hidden ring-[1.5px] ring-border/30 group-hover:ring-violet-400/60 dark:group-hover:ring-violet-400/40 transition-all duration-300">
<img src={avatar} alt="" className="size-full object-cover" />
</div>
<div className="absolute -bottom-0.5 -right-0.5 size-3.5 rounded-full bg-white dark:bg-slate-800 border border-border/40 flex items-center justify-center opacity-60 group-hover:opacity-100 transition-opacity">
<Pencil className="size-[7px] text-muted-foreground/70" />
</div>
</div>
<div className="flex-1 min-w-0">
<Tooltip>
<TooltipTrigger asChild>
<span className="leading-none select-none flex items-center gap-1">
<span className="text-[13px] font-semibold text-foreground/85 group-hover:text-foreground transition-colors">
{t('home.greetingWithName', { name: displayName })}
</span>
<ChevronDown className="size-3 text-muted-foreground/30 group-hover:text-muted-foreground/60 transition-colors shrink-0" />
</span>
</TooltipTrigger>
<TooltipContent side="bottom" sideOffset={4}>
{t('profile.editTooltip')}
</TooltipContent>
</Tooltip>
</div>
</div>
)}
{/* ── Expanded panel (absolute, floating) ── */}
<AnimatePresence>
{open && (
<motion.div
initial={{ opacity: 0, y: -4, scale: 0.97 }}
animate={{ opacity: 1, y: 0, scale: 1 }}
exit={{ opacity: 0, y: -4, scale: 0.97 }}
transition={{ duration: 0.2, ease: [0.25, 0.1, 0.25, 1] }}
className="absolute left-4 top-3.5 z-50 w-64"
>
<div className="rounded-2xl bg-white/95 dark:bg-slate-800/95 backdrop-blur-sm ring-1 ring-black/[0.04] dark:ring-white/[0.06] shadow-[0_1px_8px_-2px_rgba(0,0,0,0.06)] dark:shadow-[0_1px_8px_-2px_rgba(0,0,0,0.3)] px-2.5 py-2">
{/* ── Row: avatar + name ── */}
<div
className="flex items-center gap-2.5 cursor-pointer transition-all duration-200"
onClick={() => {
setOpen(false);
setEditingName(false);
setAvatarPickerOpen(false);
}}
>
{/* Avatar */}
<div
className="shrink-0 relative cursor-pointer"
onClick={(e) => {
e.stopPropagation();
setAvatarPickerOpen(!avatarPickerOpen);
}}
>
<div className="size-8 rounded-full overflow-hidden ring-[1.5px] ring-violet-300/70 dark:ring-violet-500/40 transition-all duration-300">
<img src={avatar} alt="" className="size-full object-cover" />
</div>
<motion.div
initial={{ scale: 0 }}
animate={{ scale: 1 }}
className="absolute -bottom-0.5 -right-0.5 size-3.5 rounded-full bg-white dark:bg-slate-800 border border-border/60 flex items-center justify-center"
>
<ChevronDown
className={cn(
'size-2 text-muted-foreground/70 transition-transform duration-200',
avatarPickerOpen && 'rotate-180',
)}
/>
</motion.div>
</div>
{/* Text */}
<div className="flex-1 min-w-0">
{editingName ? (
<div className="flex items-center gap-1.5" onClick={(e) => e.stopPropagation()}>
<input
ref={nameInputRef}
value={nameDraft}
onChange={(e) => setNameDraft(e.target.value)}
onKeyDown={(e) => {
if (e.key === 'Enter') commitName();
if (e.key === 'Escape') {
setEditingName(false);
}
}}
onBlur={commitName}
maxLength={20}
placeholder={t('profile.defaultNickname')}
className="flex-1 min-w-0 h-6 bg-transparent border-b border-border/80 text-[13px] font-semibold text-foreground outline-none placeholder:text-muted-foreground/40"
/>
<button
onClick={commitName}
className="shrink-0 size-5 rounded flex items-center justify-center text-violet-500 hover:bg-violet-100 dark:hover:bg-violet-900/30"
>
<Check className="size-3" />
</button>
</div>
) : (
<span
onClick={(e) => {
e.stopPropagation();
startEditName();
}}
className="group/name inline-flex items-center gap-1 cursor-pointer"
>
<span className="text-[13px] font-semibold text-foreground/85 group-hover/name:text-foreground transition-colors">
{displayName}
</span>
<Pencil className="size-2.5 text-muted-foreground/30 opacity-0 group-hover/name:opacity-100 transition-opacity" />
</span>
)}
</div>
{/* Collapse arrow */}
<motion.div
initial={{ opacity: 0, y: -2 }}
animate={{ opacity: 1, y: 0 }}
className="shrink-0 size-6 rounded-full flex items-center justify-center hover:bg-black/[0.04] dark:hover:bg-white/[0.06] transition-colors"
>
<ChevronUp className="size-3.5 text-muted-foreground/50" />
</motion.div>
</div>
{/* ── Expandable content ── */}
<div className="pt-2" onClick={(e) => e.stopPropagation()}>
{/* Avatar picker */}
<AnimatePresence>
{avatarPickerOpen && (
<motion.div
initial={{ height: 0, opacity: 0 }}
animate={{ height: 'auto', opacity: 1 }}
exit={{ height: 0, opacity: 0 }}
transition={{ duration: 0.15, ease: 'easeInOut' }}
className="overflow-hidden"
>
<div className="p-1 pb-2.5 flex items-center gap-1.5 flex-wrap">
{AVATAR_OPTIONS.map((url) => (
<button
key={url}
onClick={() => setAvatar(url)}
className={cn(
'size-7 rounded-full overflow-hidden bg-gray-50 dark:bg-gray-800 cursor-pointer transition-all duration-150',
'hover:scale-110 active:scale-95',
avatar === url
? 'ring-2 ring-violet-400 dark:ring-violet-500 ring-offset-0'
: 'hover:ring-1 hover:ring-muted-foreground/30',
)}
>
<img src={url} alt="" className="size-full" />
</button>
))}
<label
className={cn(
'size-7 rounded-full flex items-center justify-center cursor-pointer transition-all duration-150 border border-dashed',
'hover:scale-110 active:scale-95',
isCustomAvatar(avatar)
? 'ring-2 ring-violet-400 dark:ring-violet-500 ring-offset-0 border-violet-300 dark:border-violet-600 bg-violet-50 dark:bg-violet-900/30'
: 'border-muted-foreground/30 text-muted-foreground/50 hover:border-muted-foreground/50',
)}
onClick={() => avatarInputRef.current?.click()}
title={t('profile.uploadAvatar')}
>
<ImagePlus className="size-3" />
</label>
</div>
</motion.div>
)}
</AnimatePresence>
{/* Bio */}
<UITextarea
value={bio}
onChange={(e) => setBio(e.target.value)}
placeholder={t('profile.bioPlaceholder')}
maxLength={200}
rows={2}
className="resize-none border-border/40 bg-transparent min-h-[72px] !text-[13px] !leading-relaxed placeholder:!text-[11px] placeholder:!leading-relaxed focus-visible:ring-1 focus-visible:ring-border/60"
/>
</div>
</div>
</motion.div>
)}
</AnimatePresence>
</div>
);
}
// ─── Classroom Card — clean, minimal style ──────────────────────
function ClassroomCard({
classroom,
slide,
formatDate,
onDelete,
onRename,
confirmingDelete,
onConfirmDelete,
onCancelDelete,
onClick,
}: {
classroom: StageListItem;
slide?: Slide;
formatDate: (ts: number) => string;
onDelete: (id: string, e: React.MouseEvent) => void;
onRename: (id: string, newName: string) => void;
confirmingDelete: boolean;
onConfirmDelete: () => void;
onCancelDelete: () => void;
onClick: () => void;
}) {
const { t } = useI18n();
const thumbRef = useRef<HTMLDivElement>(null);
const [thumbWidth, setThumbWidth] = useState(0);
const [editing, setEditing] = useState(false);
const [nameDraft, setNameDraft] = useState('');
const nameInputRef = useRef<HTMLInputElement>(null);
useEffect(() => {
const el = thumbRef.current;
if (!el) return;
const ro = new ResizeObserver(([entry]) => {
setThumbWidth(Math.round(entry.contentRect.width));
});
ro.observe(el);
return () => ro.disconnect();
}, []);
useEffect(() => {
if (editing) nameInputRef.current?.focus();
}, [editing]);
const startRename = (e: React.MouseEvent) => {
e.stopPropagation();
setNameDraft(classroom.name);
setEditing(true);
};
const commitRename = () => {
if (!editing) return;
const trimmed = nameDraft.trim();
if (trimmed && trimmed !== classroom.name) {
onRename(classroom.id, trimmed);
}
setEditing(false);
};
return (
<div className="group cursor-pointer" onClick={confirmingDelete ? undefined : onClick}>
{/* Thumbnail — large radius, no border, subtle bg */}
<div
ref={thumbRef}
className="relative w-full aspect-[16/9] rounded-2xl bg-slate-100 dark:bg-slate-800/80 overflow-hidden transition-transform duration-200 group-hover:scale-[1.02]"
>
{slide && thumbWidth > 0 ? (
<ThumbnailSlide
slide={slide}
size={thumbWidth}
viewportSize={slide.viewportSize ?? 1000}
viewportRatio={slide.viewportRatio ?? 0.5625}
/>
) : !slide ? (
<div className="absolute inset-0 flex items-center justify-center">
<div className="size-12 rounded-2xl bg-gradient-to-br from-violet-100 to-blue-100 dark:from-violet-900/30 dark:to-blue-900/30 flex items-center justify-center">
<span className="text-xl opacity-50">📄</span>
</div>
</div>
) : null}
{classroom.interactiveMode && (
<Tooltip>
<TooltipTrigger asChild>
<span
aria-label={t('toolbar.interactiveModeLabel')}
onClick={(e) => e.stopPropagation()}
className="absolute bottom-2 left-2 inline-flex items-center justify-center size-5 rounded-full bg-white/70 dark:bg-slate-900/60 text-cyan-600 dark:text-cyan-300 backdrop-blur-sm shadow-sm ring-1 ring-cyan-500/30 z-10"
>
<Atom className="size-3" />
</span>
</TooltipTrigger>
{/* Negative sideOffset compensates for the global Tooltip Arrow's
rotate-45 bounding box, which Radix reserves as spacing. */}
<TooltipContent
side="top"
align="start"
sideOffset={-4}
collisionPadding={0}
className="text-xs"
>
{t('toolbar.interactiveModeLabel')}
</TooltipContent>
</Tooltip>
)}
{/* Delete — top-right, only on hover */}
<AnimatePresence>
{!confirmingDelete && (
<motion.div
initial={{ opacity: 0 }}
animate={{ opacity: 1 }}
exit={{ opacity: 0 }}
transition={{ duration: 0.15 }}
>
<Button
size="icon"
variant="ghost"
className="absolute top-2 right-2 size-7 opacity-0 group-hover:opacity-100 transition-opacity bg-black/30 hover:bg-destructive/80 text-white hover:text-white backdrop-blur-sm rounded-full"
onClick={(e) => {
e.stopPropagation();
onDelete(classroom.id, e);
}}
>
<Trash2 className="size-3.5" />
</Button>
<Button
size="icon"
variant="ghost"
className="absolute top-2 right-11 size-7 opacity-0 group-hover:opacity-100 transition-opacity bg-black/30 hover:bg-black/50 text-white hover:text-white backdrop-blur-sm rounded-full"
onClick={startRename}
>
<Pencil className="size-3.5" />
</Button>
</motion.div>
)}
</AnimatePresence>
{/* Inline delete confirmation overlay */}
<AnimatePresence>
{confirmingDelete && (
<motion.div
initial={{ opacity: 0 }}
animate={{ opacity: 1 }}
exit={{ opacity: 0 }}
transition={{ duration: 0.15 }}
className="absolute inset-0 z-10 flex flex-col items-center justify-center gap-3 bg-black/50 backdrop-blur-[6px]"
onClick={(e) => e.stopPropagation()}
>
<span className="text-[13px] font-medium text-white/90">
{t('classroom.deleteConfirmTitle')}?
</span>
<div className="flex gap-2">
<button
className="px-3.5 py-1 rounded-lg text-[12px] font-medium bg-white/15 text-white/80 hover:bg-white/25 backdrop-blur-sm transition-colors"
onClick={onCancelDelete}
>
{t('common.cancel')}
</button>
<button
className="px-3.5 py-1 rounded-lg text-[12px] font-medium bg-red-500/90 text-white hover:bg-red-500 transition-colors"
onClick={onConfirmDelete}
>
{t('classroom.delete')}
</button>
</div>
</motion.div>
)}
</AnimatePresence>
</div>
{/* Info — outside the thumbnail */}
<div className="mt-2.5 px-1 flex items-center gap-2">
<span className="shrink-0 inline-flex items-center rounded-full bg-violet-100 dark:bg-violet-900/30 px-2 py-0.5 text-[11px] font-medium text-violet-600 dark:text-violet-400">
{classroom.sceneCount} {t('classroom.slides')} · {formatDate(classroom.updatedAt)}
</span>
{editing ? (
<div className="flex-1 min-w-0" onClick={(e) => e.stopPropagation()}>
<input
ref={nameInputRef}
value={nameDraft}
onChange={(e) => setNameDraft(e.target.value)}
onKeyDown={(e) => {
if (e.key === 'Enter') commitRename();
if (e.key === 'Escape') setEditing(false);
}}
onBlur={commitRename}
maxLength={100}
placeholder={t('classroom.renamePlaceholder')}
className="w-full bg-transparent border-b border-violet-400/60 text-[15px] font-medium text-foreground/90 outline-none placeholder:text-muted-foreground/40"
/>
</div>
) : (
<Tooltip>
<TooltipTrigger asChild>
<p
className="font-medium text-[15px] truncate text-foreground/90 min-w-0 cursor-text"
onDoubleClick={startRename}
>
{classroom.name}
</p>
</TooltipTrigger>
<TooltipContent
side="bottom"
sideOffset={4}
className="!max-w-[min(90vw,32rem)] break-words whitespace-normal"
>
<div className="flex items-center gap-1.5">
<span className="break-all">{classroom.name}</span>
<button
className="shrink-0 p-0.5 rounded hover:bg-foreground/10 transition-colors"
onClick={(e) => {
e.stopPropagation();
navigator.clipboard.writeText(classroom.name);
toast.success(t('classroom.nameCopied'));
}}
>
<Copy className="size-3 opacity-60" />
</button>
</div>
</TooltipContent>
</Tooltip>
)}
</div>
</div>
);
}
export default function Page() {
return <HomePage />;
}
|