import { Link, usePage } from '@inertiajs/react';
import { PropsWithChildren, ReactNode, useState } from 'react';
import {
    LayoutDashboard,
    BookOpen,
    Layers,
    Trophy,
    User,
    Settings,
    LogOut,
    Menu,
    Search,
    Bell,
    Plus,
    Play
} from 'lucide-react';
import { Sheet, SheetContent, SheetTrigger } from '@/Components/ui/sheet';
import { Button } from '@/Components/ui/button';
import { Avatar, AvatarFallback, AvatarImage } from '@/Components/ui/avatar';
import { cn } from '@/lib/utils';
import { ScrollArea } from '@/Components/ui/scroll-area';
import { DropdownMenu, DropdownMenuContent, DropdownMenuItem, DropdownMenuTrigger } from '@/Components/ui/dropdown-menu';
import { ModeToggle } from '@/Components/ModeToggle';

export default function DashboardLayout({
    header,
    children,
}: PropsWithChildren<{ header?: ReactNode }>) {
    const user = usePage().props.auth.user;
    const { url } = usePage();

    const navItems = [
        { label: 'Dashboard', icon: LayoutDashboard, href: route('dashboard'), active: route().current('dashboard') },
        { label: 'Study (SRS)', icon: BookOpen, href: route('srs.index'), active: route().current('srs.*') },
        { label: 'Decks', icon: Layers, href: route('courses.index'), active: route().current('courses.index') },
        { label: 'Leaderboard', icon: Trophy, href: '#', active: false },
        { label: 'Profile', icon: User, href: route('profile.edit'), active: route().current('profile.edit') },
    ];

    const SidebarContent = () => (
        <div className="flex flex-col h-full bg-white dark:bg-[#0a0a0b] border-r border-gray-200 dark:border-white/5 p-6 transition-colors duration-300">
            {/* Logo */}
            <div className="flex items-center gap-3 mb-8">
                <div className="size-10 bg-[#FF4500] rounded flex items-center justify-center text-white font-bold text-xl shadow-[0_0_15px_rgba(255,68,0,0.3)]">
                    N
                </div>
                <div className="flex flex-col">
                    <h1 className="text-gray-900 dark:text-white text-base font-bold leading-none tracking-tight">NIHONBUZZ</h1>
                    <p className="text-[#FF4500] text-[10px] font-bold tracking-[0.2em] uppercase mt-0.5">Academy</p>
                </div>
            </div>

            {/* Nav Links */}
            <nav className="space-y-2 flex-1">
                {navItems.map((item, index) => (
                    <Link
                        key={index}
                        href={item.href}
                        className={cn(
                            "flex items-center gap-3 px-3 py-2.5 rounded-lg text-sm font-medium transition-all duration-200",
                            item.active
                                ? "bg-[#FF4500]/10 text-[#FF4500] border border-[#FF4500]/20"
                                : "text-gray-500 dark:text-white/60 hover:text-gray-900 dark:hover:text-white hover:bg-gray-100 dark:hover:bg-white/5"
                        )}
                    >
                        <item.icon size={20} className={cn(item.active ? "text-[#FF4500]" : "text-gray-400 dark:text-white/60")} />
                        <span>{item.label}</span>
                    </Link>
                ))}
            </nav>

            {/* Profile Section (Bottom) */}
            <div className="space-y-4 pt-6 border-t border-gray-200 dark:border-white/5">
                <div className="flex items-center gap-3">
                    <Avatar className="h-10 w-10 border border-gray-200 dark:border-white/10 rounded">
                        <AvatarImage src={user.avatar} />
                        <AvatarFallback className="bg-[#FF4500] text-white">
                            {user.name.charAt(0)}
                        </AvatarFallback>
                    </Avatar>
                    <div className="flex-1 min-w-0">
                        <p className="text-sm font-bold text-gray-900 dark:text-white truncate">{user.name}</p>
                        <p className="text-xs text-gray-500 dark:text-white/40 truncate">Level 12 Scholar</p>
                    </div>
                </div>

                {/* Mini Progress Bar */}
                <div className="space-y-1.5">
                    <div className="flex justify-between text-[10px] font-bold uppercase tracking-wider text-gray-500 dark:text-white/40">
                        <span>XP Progress</span>
                        <span>85%</span>
                    </div>
                    <div className="h-1 w-full bg-gray-100 dark:bg-white/5 rounded-full overflow-hidden">
                        <div className="h-full bg-[#FF4500]" style={{ width: '85%' }}></div>
                    </div>
                </div>

                <Link
                    href={route('profile.edit')}
                    className="flex items-center gap-2 text-gray-500 dark:text-white/40 hover:text-gray-900 dark:hover:text-white text-xs font-medium transition-colors cursor-pointer w-full"
                >
                    <Settings size={14} />
                    Settings
                </Link>
            </div>
        </div>
    );

    return (
        <div className="min-h-screen bg-[#f8f6f5] dark:bg-[#0a0a0b] font-sans selection:bg-[#FF4500]/30 flex transition-colors duration-300">

            {/* Desktop Sidebar */}
            <aside className="hidden lg:block w-64 flex-shrink-0 fixed inset-y-0 left-0 z-50">
                <SidebarContent />
            </aside>

            {/* Mobile Header / Sheet */}
            <header className="lg:hidden fixed top-0 left-0 right-0 h-16 bg-white/80 dark:bg-[#0a0a0b]/80 backdrop-blur-md border-b border-gray-200 dark:border-white/5 flex items-center justify-between px-4 z-50">
                <div className="flex items-center gap-3">
                    <Sheet>
                        <SheetTrigger asChild>
                            <Button variant="ghost" size="icon" className="text-gray-900 dark:text-white">
                                <Menu size={20} />
                            </Button>
                        </SheetTrigger>
                        <SheetContent side="left" className="p-0 border-r-0 bg-white dark:bg-[#0a0a0b] w-64">
                            <SidebarContent />
                        </SheetContent>
                    </Sheet>
                    <div className="font-bold text-gray-900 dark:text-white tracking-tight">NIHONBUZZ</div>
                </div>
                <Avatar className="h-8 w-8">
                    <AvatarImage src={user.avatar} />
                    <AvatarFallback>{user.name.charAt(0)}</AvatarFallback>
                </Avatar>
            </header>

            {/* Main Content */}
            <main className="flex-1 lg:pl-64 flex flex-col min-h-screen pt-16 lg:pt-0 transition-all">

                {/* Desktop Topbar */}
                <header className="hidden lg:flex h-16 border-b border-gray-200 dark:border-white/5 items-center justify-between px-8 bg-white/50 dark:bg-[#0a0a0b]/50 backdrop-blur-md sticky top-0 z-40">
                    <div className="flex items-center gap-2 text-sm text-gray-500 dark:text-white/40">
                        <span>Dashboard</span>
                        <span className="text-gray-300 dark:text-white/20">/</span>
                        <span className="text-gray-900 dark:text-white font-medium">Home</span>
                    </div>

                    <div className="flex items-center gap-4">
                        <Button className="bg-[#FF4500] hover:bg-[#FF4500]/90 text-white font-bold h-9 rounded shadow-[0_0_15px_rgba(255,68,0,0.3)] transition-all">
                            <Plus size={16} className="mr-2" />
                            Quick Add
                        </Button>

                        <Button variant="outline" size="icon" className="h-9 w-9 border-gray-200 dark:border-white/10 bg-transparent text-gray-500 dark:text-white/60 hover:text-gray-900 dark:hover:text-white hover:bg-gray-100 dark:hover:bg-white/5">
                            <Bell size={20} />
                        </Button>

                        <ModeToggle />
                    </div>
                </header>

                <div className="p-4 sm:p-6 lg:p-8 max-w-7xl mx-auto w-full">
                    {children}
                </div>
            </main>
        </div>
    );
}