"use client";

import Link from "next/link";
import Image from "next/image";
import { LoginLink, LogoutLink, RegisterLink } from "@kinde-oss/kinde-auth-nextjs/server";
import { useKindeBrowserClient } from "@kinde-oss/kinde-auth-nextjs";
import {
  NavigationMenu,
  NavigationMenuContent,
  NavigationMenuItem,
  NavigationMenuLink,
  NavigationMenuList,
  NavigationMenuTrigger,
} from "@/components/ui/navigation-menu";
import { Button } from "@/components/ui/button";
import { Sheet, SheetContent, SheetTrigger } from "@/components/ui/sheet";
import { Menu, FileText, Upload, Home, Folder, Settings, User, LogOut, LogIn } from "lucide-react";
import { cn } from "@/lib/utils";
import React from "react";

const navigationItems = [
  {
    title: "Files",
    href: "/files",
    description: "Browse and manage your files",
    icon: Folder,
  },
  {
    title: "Upload",
    href: "/upload",
    description: "Upload new files to the platform",
    icon: Upload,
  },
  {
    title: "API Docs",
    href: "/api-docs",
    description: "View API documentation",
    icon: FileText,
  },
];

const userMenuItems = [
  {
    title: "Profile",
    href: "/profile",
    description: "Manage your profile settings",
    icon: User,
  },
  {
    title: "Settings",
    href: "/settings",
    description: "Configure your preferences",
    icon: Settings,
  },
];

export default function Header() {
  const { isAuthenticated, getUser } = useKindeBrowserClient();
  const user = getUser();

  return (
    <header className="sticky top-0 z-50 w-full border-b bg-background/95 backdrop-blur supports-[backdrop-filter]:bg-background/60">
      <div className="container flex h-16 items-center justify-between">
        <div className="flex items-center gap-6">
          <Link href="/" className="flex items-center space-x-2" legacyBehavior>
            <Image
              src="/vtorio.svg"
              alt="vtor.io"
              width={32}
              height={32}
              className="h-8 w-auto"
            />
            <span className="font-bold text-xl hidden sm:inline">vtor.io</span>
          </Link>
          
          <NavigationMenu className="hidden md:flex">
            <NavigationMenuList>
              <NavigationMenuItem>
                <Link href="/" legacyBehavior passHref>
                  <NavigationMenuLink className={cn(
                    "group inline-flex h-9 w-max items-center justify-center rounded-md bg-background px-4 py-2 text-sm font-medium transition-colors hover:bg-accent hover:text-accent-foreground focus:bg-accent focus:text-accent-foreground focus:outline-none disabled:pointer-events-none disabled:opacity-50"
                  )}>
                    <Home className="mr-2 h-4 w-4" />
                    Home
                  </NavigationMenuLink>
                </Link>
              </NavigationMenuItem>
              
              {navigationItems.map((item) => (
                <NavigationMenuItem key={item.title}>
                  <Link href={item.href} legacyBehavior passHref>
                    <NavigationMenuLink className={cn(
                      "group inline-flex h-9 w-max items-center justify-center rounded-md bg-background px-4 py-2 text-sm font-medium transition-colors hover:bg-accent hover:text-accent-foreground focus:bg-accent focus:text-accent-foreground focus:outline-none disabled:pointer-events-none disabled:opacity-50"
                    )}>
                      <item.icon className="mr-2 h-4 w-4" />
                      {item.title}
                    </NavigationMenuLink>
                  </Link>
                </NavigationMenuItem>
              ))}
            </NavigationMenuList>
          </NavigationMenu>
        </div>

        <div className="flex items-center gap-4">
          {isAuthenticated ? (
            <>
              <NavigationMenu className="hidden md:flex">
                <NavigationMenuList>
                  <NavigationMenuItem>
                    <NavigationMenuTrigger className="h-9">
                      <div className="flex items-center gap-2">
                        <Image
                          className="rounded-full"
                          src={user?.picture || "/default-avatar.png"}
                          alt="User Avatar"
                          width={24}
                          height={24}
                        />
                        <span className="text-sm font-medium">{user?.given_name || user?.email}</span>
                      </div>
                    </NavigationMenuTrigger>
                    <NavigationMenuContent>
                      <ul className="grid gap-3 p-6 w-[300px]">
                        {userMenuItems.map((item) => (
                          <li key={item.title}>
                            <NavigationMenuLink asChild>
                              <Link
                                href={item.href}
                                className="block select-none space-y-1 rounded-md p-3 leading-none no-underline outline-none transition-colors hover:bg-accent hover:text-accent-foreground"
                                legacyBehavior>
                                <div className="flex items-center gap-2">
                                  <item.icon className="h-4 w-4" />
                                  <div className="text-sm font-medium leading-none">{item.title}</div>
                                </div>
                                <p className="line-clamp-2 text-sm leading-snug text-muted-foreground">
                                  {item.description}
                                </p>
                              </Link>
                            </NavigationMenuLink>
                          </li>
                        ))}
                        <li>
                          <LogoutLink className="block select-none space-y-1 rounded-md p-3 leading-none no-underline outline-none transition-colors hover:bg-accent hover:text-accent-foreground">
                            <div className="flex items-center gap-2">
                              <LogOut className="h-4 w-4" />
                              <div className="text-sm font-medium leading-none">Logout</div>
                            </div>
                            <p className="line-clamp-2 text-sm leading-snug text-muted-foreground">
                              Sign out of your account
                            </p>
                          </LogoutLink>
                        </li>
                      </ul>
                    </NavigationMenuContent>
                  </NavigationMenuItem>
                </NavigationMenuList>
              </NavigationMenu>
              
              <div className="hidden md:flex items-center gap-2">
                <LogoutLink>
                  <Button variant="ghost" size="sm">
                    <LogOut className="h-4 w-4 mr-2" />
                    Logout
                  </Button>
                </LogoutLink>
              </div>
            </>
          ) : (
            <div className="hidden md:flex items-center gap-2">
              <LoginLink>
                <Button variant="ghost" size="sm">
                  <LogIn className="h-4 w-4 mr-2" />
                  Login
                </Button>
              </LoginLink>
              <RegisterLink>
                <Button size="sm">Sign Up</Button>
              </RegisterLink>
            </div>
          )}
          
          {/* Mobile Menu */}
          <Sheet>
            <SheetTrigger asChild className="md:hidden">
              <Button variant="ghost" size="icon">
                <Menu className="h-5 w-5" />
                <span className="sr-only">Toggle menu</span>
              </Button>
            </SheetTrigger>
            <SheetContent side="right" className="w-[300px]">
              <div className="flex flex-col space-y-4 mt-8">
                <Link href="/" className="flex items-center space-x-2" legacyBehavior>
                  <Home className="h-4 w-4" />
                  <span>Home</span>
                </Link>
                
                {navigationItems.map((item) => (
                  <Link
                    key={item.title}
                    href={item.href}
                    className="flex items-center space-x-2"
                    legacyBehavior>
                    <item.icon className="h-4 w-4" />
                    <span>{item.title}</span>
                  </Link>
                ))}
                
                {isAuthenticated ? (
                  <>
                    <div className="border-t pt-4">
                      <div className="flex items-center space-x-2 mb-4">
                        <Image
                          className="rounded-full"
                          src={user?.picture || "/default-avatar.png"}
                          alt="User Avatar"
                          width={32}
                          height={32}
                        />
                        <span className="font-medium">{user?.given_name || user?.email}</span>
                      </div>
                      
                      {userMenuItems.map((item) => (
                        <Link
                          key={item.title}
                          href={item.href}
                          className="flex items-center space-x-2 py-2"
                          legacyBehavior>
                          <item.icon className="h-4 w-4" />
                          <span>{item.title}</span>
                        </Link>
                      ))}
                      
                      <LogoutLink className="flex items-center space-x-2 py-2 text-red-600">
                        <LogOut className="h-4 w-4" />
                        <span>Logout</span>
                      </LogoutLink>
                    </div>
                  </>
                ) : (
                  <div className="border-t pt-4 space-y-2">
                    <LoginLink>
                      <Button variant="ghost" className="w-full justify-start">
                        <LogIn className="h-4 w-4 mr-2" />
                        Login
                      </Button>
                    </LoginLink>
                    <RegisterLink>
                      <Button className="w-full">Sign Up</Button>
                    </RegisterLink>
                  </div>
                )}
              </div>
            </SheetContent>
          </Sheet>
        </div>
      </div>
    </header>
  );
}