'use client';

import * as React from 'react';
import { Avatar, AvatarFallback, AvatarImage } from '@/components/ui/avatar';
import { Collapsible, CollapsibleContent, CollapsibleTrigger } from '@/components/ui/collapsible';
import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuItem,
  DropdownMenuLabel,
  DropdownMenuSeparator,
  DropdownMenuTrigger,
} from '@/components/ui/dropdown-menu';
import {
  Sidebar,
  SidebarContent,
  SidebarFooter,
  SidebarGroup,
  SidebarGroupLabel,
  SidebarHeader,
  SidebarInset,
  SidebarMenu,
  SidebarMenuButton,
  SidebarMenuItem,
  SidebarMenuSub,
  SidebarMenuSubButton,
  SidebarMenuSubItem,
  SidebarProvider,
  SidebarRail,
  SidebarTrigger,
  useSidebar,
} from '@/components/ui/sidebar';
import {
  Gamepad2,
  Home,
  Settings,
  User,
  Database,
  Star,
  TrendingUp,
  ChevronRight,
  ChevronsUpDown,
} from 'lucide-react';

const data = {
  user: {
    name: 'Game Library',
    email: 'admin@gamelibrary.com',
    avatar: '/avatars/default.jpg',
  },
  teams: [
    {
      name: 'Personal',
      logo: Gamepad2,
      plan: 'Standard',
    },
    {
      name: 'Work',
      logo: Database,
      plan: 'Professional',
    },
  ],
  navMain: [
    {
      title: 'Dashboard',
      url: '/',
      icon: Home,
      isActive: true,
    },
    {
      title: 'Games',
      url: '/games',
      icon: Gamepad2,
      items: [
        {
          title: 'All Games',
          url: '/games',
        },
        {
          title: 'Favorites',
          url: '/games/favorites',
        },
        {
          title: 'Recently Played',
          url: '/games/recent',
        },
      ],
    },
    {
      title: 'Collections',
      url: '/collections',
      icon: Star,
      items: [
        {
          title: 'My Collections',
          url: '/collections',
        },
        {
          title: 'Shared Collections',
          url: '/collections/shared',
        },
      ],
    },
    {
      title: 'Statistics',
      url: '/stats',
      icon: TrendingUp,
    },
    {
      title: 'Settings',
      url: '/settings',
      icon: Settings,
    },
  ],
};

function TeamSwitcher({
  teams,
}: {
  teams: {
    name: string;
    logo: React.ElementType;
    plan: string;
  }[];
}) {
  const { isMobile } = useSidebar();
  const [activeTeam, setActiveTeam] = React.useState(teams[0]);

  if (!activeTeam) {
    return null;
  }

  return (
    <SidebarMenu>
      <SidebarMenuItem>
        <DropdownMenu>
          <DropdownMenuTrigger asChild>
            <SidebarMenuButton
              size="lg"
              className="data-[state=open]:bg-sidebar-accent data-[state=open]:text-sidebar-accent-foreground"
            >
              <div className="bg-sidebar-primary text-sidebar-primary-foreground flex aspect-square size-8 items-center justify-center rounded-lg">
                <activeTeam.logo className="size-4" />
              </div>
              <div className="grid flex-1 text-left text-sm leading-tight">
                <span className="truncate font-medium">{activeTeam.name}</span>
                <span className="truncate text-xs">{activeTeam.plan}</span>
              </div>
              <ChevronsUpDown className="ml-auto" />
            </SidebarMenuButton>
          </DropdownMenuTrigger>
          <DropdownMenuContent
            className="w-(--radix-dropdown-menu-trigger-width) min-w-56 rounded-lg"
            align="start"
            side={isMobile ? 'bottom' : 'right'}
            sideOffset={4}
          >
            <DropdownMenuGroup>
              <DropdownMenuLabel className="text-muted-foreground text-xs">Teams</DropdownMenuLabel>
              {teams.map((team) => (
                <DropdownMenuItem
                  key={team.name}
                  onClick={() => setActiveTeam(team)}
                  className="cursor-pointer"
                >
                  <div className="bg-sidebar-primary text-sidebar-primary-foreground flex aspect-square size-8 items-center justify-center rounded-lg mr-2">
                    <team.logo className="size-4" />
                  </div>
                  <div className="grid flex-1 text-left text-sm leading-tight">
                    <span className="truncate font-medium">{team.name}</span>
                    <span className="truncate text-xs">{team.plan}</span>
                  </div>
                </DropdownMenuItem>
              ))}
            </DropdownMenuGroup>
          </DropdownMenuContent>
        </DropdownMenu>
      </SidebarMenuItem>
    </SidebarMenu>
  );
}

function NavMain({
  items,
}: {
  items: {
    title: string;
    url: string;
    icon?: React.ElementType;
    isActive?: boolean;
    items?: {
      title: string;
      url: string;
    }[];
  }[];
}) {
  return (
    <SidebarGroup>
      <SidebarGroupLabel>Main Navigation</SidebarGroupLabel>
      <SidebarMenu>
        {items.map((item) => (
          <Collapsible key={item.title} defaultOpen={item.isActive} className="group/collapsible">
            <SidebarMenuItem>
              <CollapsibleTrigger render={<SidebarMenuButton tooltip={item.title} />}>
                {item.icon && <item.icon />}
                <span>{item.title}</span>
                <ChevronRight className="ml-auto transition-transform duration-200 group-data-[state=open]/collapsible:rotate-90" />
              </CollapsibleTrigger>
              <CollapsibleContent>
                <SidebarMenuSub>
                  {item.items?.map((subItem) => (
                    <SidebarMenuSubItem key={subItem.title}>
                      <SidebarMenuSubButton render={<a href={subItem.url} />}>
                        <span>{subItem.title}</span>
                      </SidebarMenuSubButton>
                    </SidebarMenuSubItem>
                  ))}
                </SidebarMenuSub>
              </CollapsibleContent>
            </SidebarMenuItem>
          </Collapsible>
        ))}
      </SidebarMenu>
    </SidebarGroup>
  );
}

function NavUser({ user }: { user: { name: string; email: string; avatar: string } }) {
  const { isMobile } = useSidebar();

  return (
    <SidebarMenu>
      <SidebarMenuItem>
        <DropdownMenu>
          <DropdownMenuTrigger asChild>
            <SidebarMenuButton
              size="lg"
              className="data-[state=open]:bg-sidebar-accent data-[state=open]:text-sidebar-accent-foreground"
            >
              <Avatar className="h-8 w-8 rounded-full">
                <AvatarImage src={user.avatar} alt={user.name} />
                <AvatarFallback>{user.name.charAt(0)}</AvatarFallback>
              </Avatar>
              <div className="grid flex-1 text-left text-sm leading-tight">
                <span className="truncate font-medium">{user.name}</span>
                <span className="truncate text-xs text-muted-foreground">{user.email}</span>
              </div>
              <ChevronsUpDown className="ml-auto size-4" />
            </SidebarMenuButton>
          </DropdownMenuTrigger>
          <DropdownMenuContent
            className="w-(--radix-dropdown-menu-trigger-width) min-w-56 rounded-lg"
            align="start"
            side={isMobile ? 'bottom' : 'right'}
            sideOffset={4}
          >
            <DropdownMenuLabel className="text-muted-foreground text-xs">
              Logged in as
            </DropdownMenuLabel>
            <DropdownMenuGroup>
              <DropdownMenuItem>
                <User className="mr-2 h-4 w-4" />
                <span>Profile</span>
              </DropdownMenuItem>
              <DropdownMenuItem>
                <Settings className="mr-2 h-4 w-4" />
                <span>Settings</span>
              </DropdownMenuItem>
            </DropdownMenuGroup>
            <DropdownMenuSeparator />
            <DropdownMenuItem>
              <span>Log out</span>
            </DropdownMenuItem>
          </DropdownMenuContent>
        </DropdownMenu>
      </SidebarMenuItem>
    </SidebarMenu>
  );
}

export function AppSidebar({ ...props }: React.ComponentProps<typeof Sidebar>) {
  return (
    <SidebarProvider>
      <Sidebar collapsible="icon" {...props}>
        <SidebarHeader>
          <TeamSwitcher teams={data.teams} />
        </SidebarHeader>
        <SidebarContent>
          <NavMain items={data.navMain} />
        </SidebarContent>
        <SidebarFooter>
          <NavUser user={data.user} />
        </SidebarFooter>
        <SidebarRail />
      </Sidebar>
      <SidebarInset>
        <header className="flex h-16 shrink-0 items-center gap-2 border-b bg-background px-4 transition-[width,height] ease-linear group-has-[collapsible=icon]/sidebar-wrapper:h-12">
          <div className="flex items-center gap-2">
            <SidebarTrigger className="-ml-1" />
            <div className="flex items-center gap-2">
              <Gamepad2 className="h-6 w-6" />
              <h1 className="text-lg font-semibold">Game Library</h1>
            </div>
          </div>
        </header>
      </SidebarInset>
    </SidebarProvider>
  );
}