"use client";

import * as React from "react";
import Link from "next/link";
import { usePathname } from "next/navigation";
import {
  Home,
  TrendingUp,
  Clock,
  LayoutGrid,
  PlusCircle,
  Settings,
  HelpCircle,
  ChevronRight,
  LogOut,
  User as UserIcon,
  LogIn,
} from "lucide-react";

import {
  Sidebar,
  SidebarContent,
  SidebarFooter,
  SidebarGroup,
  SidebarGroupLabel,
  SidebarHeader,
  SidebarMenu,
  SidebarMenuButton,
  SidebarMenuItem,
  SidebarMenuSub,
  SidebarMenuSubButton,
  SidebarMenuSubItem,
} from "@/components/ui/sidebar";
import {
  Collapsible,
  CollapsibleContent,
  CollapsibleTrigger,
} from "@/components/ui/collapsible";
import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuItem,
  DropdownMenuLabel,
  DropdownMenuSeparator,
  DropdownMenuTrigger,
} from "@/components/ui/dropdown-menu";
import { Avatar, AvatarFallback, AvatarImage } from "@/components/ui/avatar";
import { CategoryService } from "@/services/category.service";
import type { Category } from "@/types/content";
import { useAuth } from "@/providers/auth-provider";

const mainNav = [
  {
    title: "Accueil",
    url: "/",
    icon: Home,
  },
  {
    title: "Tendances",
    url: "/trends",
    icon: TrendingUp,
  },
  {
    title: "Nouveautés",
    url: "/recent",
    icon: Clock,
  },
];

export function AppSidebar() {
  const pathname = usePathname();
  const { user, logout, isAuthenticated, isLoading } = useAuth();
  const [categories, setCategories] = React.useState<Category[]>([]);

  React.useEffect(() => {
    CategoryService.getAll().then(setCategories).catch(console.error);
  }, []);

  return (
    <Sidebar collapsible="icon">
      <SidebarHeader className="flex items-center justify-center py-4">
        <Link href="/" className="flex items-center gap-2 font-bold text-xl">
          <div className="bg-primary text-primary-foreground p-1 rounded">
            🐐
          </div>
          <span className="group-data-[collapsible=icon]:hidden">MemeGoat</span>
        </Link>
      </SidebarHeader>
      <SidebarContent>
        <SidebarGroup>
          <SidebarMenu>
            {mainNav.map((item) => (
              <SidebarMenuItem key={item.title}>
                <SidebarMenuButton
                  asChild
                  isActive={pathname === item.url}
                  tooltip={item.title}
                >
                  <Link href={item.url}>
                    <item.icon />
                    <span>{item.title}</span>
                  </Link>
                </SidebarMenuButton>
              </SidebarMenuItem>
            ))}
          </SidebarMenu>
        </SidebarGroup>

        <SidebarGroup>
          <SidebarGroupLabel>Explorer</SidebarGroupLabel>
          <SidebarMenu>
            <Collapsible asChild className="group/collapsible">
              <SidebarMenuItem>
                <CollapsibleTrigger asChild>
                  <SidebarMenuButton tooltip="Catégories">
                    <LayoutGrid />
                    <span>Catégories</span>
                    <ChevronRight className="ml-auto transition-transform duration-200 group-data-[state=open]/collapsible:rotate-90" />
                  </SidebarMenuButton>
                </CollapsibleTrigger>
                <CollapsibleContent>
                  <SidebarMenuSub>
                    {categories.map((category) => (
                      <SidebarMenuSubItem key={category.id}>
                        <SidebarMenuSubButton asChild isActive={pathname === `/category/${category.slug}`}>
                          <Link href={`/category/${category.slug}`}>
                            <span>{category.name}</span>
                          </Link>
                        </SidebarMenuSubButton>
                      </SidebarMenuSubItem>
                    ))}
                  </SidebarMenuSub>
                </CollapsibleContent>
              </SidebarMenuItem>
            </Collapsible>
          </SidebarMenu>
        </SidebarGroup>

        <SidebarGroup>
          <SidebarGroupLabel>Communauté</SidebarGroupLabel>
          <SidebarMenu>
            <SidebarMenuItem>
              <SidebarMenuButton asChild tooltip="Publier">
                <Link href="/upload">
                  <PlusCircle />
                  <span>Publier</span>
                </Link>
              </SidebarMenuButton>
            </SidebarMenuItem>
          </SidebarMenu>
        </SidebarGroup>
      </SidebarContent>
      <SidebarFooter>
        <SidebarMenu>
          {isAuthenticated && user ? (
            <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-lg">
                      <AvatarImage src={user.avatarUrl} alt={user.username} />
                      <AvatarFallback className="rounded-lg">
                        {user.username.slice(0, 2).toUpperCase()}
                      </AvatarFallback>
                    </Avatar>
                    <div className="grid flex-1 text-left text-sm leading-tight group-data-[collapsible=icon]:hidden">
                      <span className="truncate font-semibold">
                        {user.displayName || user.username}
                      </span>
                      <span className="truncate text-xs">{user.email}</span>
                    </div>
                    <ChevronRight className="ml-auto size-4 group-data-[collapsible=icon]:hidden" />
                  </SidebarMenuButton>
                </DropdownMenuTrigger>
                <DropdownMenuContent
                  className="w-(--radix-dropdown-menu-trigger-width) min-w-56 rounded-lg"
                  side="right"
                  align="end"
                  sideOffset={4}
                >
                  <DropdownMenuLabel className="p-0 font-normal">
                    <div className="flex items-center gap-2 px-1 py-1.5 text-left text-sm">
                      <Avatar className="h-8 w-8 rounded-lg">
                        <AvatarImage src={user.avatarUrl} alt={user.username} />
                        <AvatarFallback className="rounded-lg">
                          {user.username.slice(0, 2).toUpperCase()}
                        </AvatarFallback>
                      </Avatar>
                      <div className="grid flex-1 text-left text-sm leading-tight">
                        <span className="truncate font-semibold">
                          {user.displayName || user.username}
                        </span>
                        <span className="truncate text-xs">{user.email}</span>
                      </div>
                    </div>
                  </DropdownMenuLabel>
                  <DropdownMenuSeparator />
                  <DropdownMenuItem asChild>
                    <Link href="/profile" className="flex items-center gap-2">
                      <UserIcon className="size-4" />
                      <span>Profil</span>
                    </Link>
                  </DropdownMenuItem>
                  <DropdownMenuItem asChild>
                    <Link href="/settings" className="flex items-center gap-2">
                      <Settings className="size-4" />
                      <span>Paramètres</span>
                    </Link>
                  </DropdownMenuItem>
                  <DropdownMenuSeparator />
                  <DropdownMenuItem onClick={() => logout()}>
                    <LogOut className="size-4 mr-2" />
                    <span>Déconnexion</span>
                  </DropdownMenuItem>
                </DropdownMenuContent>
              </DropdownMenu>
            </SidebarMenuItem>
          ) : (
            <SidebarMenuItem>
              <SidebarMenuButton asChild tooltip="Se connecter">
                <Link href="/login">
                  <LogIn className="size-4" />
                  <span>Se connecter</span>
                </Link>
              </SidebarMenuButton>
            </SidebarMenuItem>
          )}
          <SidebarMenuItem>
            <SidebarMenuButton asChild tooltip="Aide">
              <Link href="/help">
                <HelpCircle />
                <span>Aide</span>
              </Link>
            </SidebarMenuButton>
          </SidebarMenuItem>
        </SidebarMenu>
      </SidebarFooter>
    </Sidebar>
  );
}