<script lang="ts">
  import { _ } from "svelte-i18n";
  import { page } from "$app/state";
  import { Button } from "$lib/components/ui/button";
  import type { AuthStatus } from "$lib/types";
  import { logout } from "$lib/services";
  import { goto } from "$app/navigation";
  import { getAssetUrl } from "$lib/api";
  import { Avatar, AvatarFallback, AvatarImage } from "$lib/components/ui/avatar";
  import { getUserInitials } from "$lib/utils";
  import Separator from "../ui/separator/separator.svelte";
  import BurgerMenuButton from "../burger-menu-button/burger-menu-button.svelte";
  import Logo from "../logo/logo.svelte";

  interface Props {
    authStatus: AuthStatus;
  }

  let { authStatus }: Props = $props();

  let isMobileMenuOpen = $state(false);

  const navLinks = [
    { name: $_("header.home"), href: "/" },
    { name: $_("header.models"), href: "/models" },
    { name: $_("header.videos"), href: "/videos" },
    { name: $_("header.magazine"), href: "/magazine" },
    { name: $_("header.about"), href: "/about" },
  ];

  async function handleLogout() {
    closeMenu();
    await logout();
    goto("/login", { invalidateAll: true });
  }

  function closeMenu() {
    isMobileMenuOpen = false;
  }

  function isActiveLink(link: { name: string; href: string }) {
    return (
      (page.url.pathname === "/" && link === navLinks[0]) ||
      (page.url.pathname.startsWith(link.href) && link !== navLinks[0])
    );
  }
</script>

<header
  class="sticky top-0 z-50 w-full bg-gradient-to-br from-card/60 via-card/65 to-card/55 backdrop-blur-xl border-b border-border/20 shadow-lg shadow-primary/10"
>
  <div class="container mx-auto px-4">
    <div class="flex items-center justify-evenly h-16">
      <!-- Logo -->
      <a
        href="/"
        class="flex w-full items-center gap-3 hover:scale-105 transition-all duration-300"
      >
        <Logo />
      </a>

      <!-- Desktop Navigation -->
      <nav class="hidden w-full lg:flex items-center justify-center gap-8">
        {#each navLinks as link (link.href)}
          <a
            href={link.href}
            class={`text-sm hover:text-foreground transition-colors duration-200 font-medium relative group ${
              isActiveLink(link) ? "text-foreground" : "text-foreground/85"
            }`}
          >
            {link.name}
            <span
              class={`absolute -bottom-1 left-0 w-0 h-0.5 bg-gradient-to-r from-primary to-accent transition-all duration-300 ${isActiveLink(link) ? "w-full" : "group-hover:w-full"}`}
            ></span>
          </a>
        {/each}
      </nav>

      <!-- Desktop Auth Actions -->
      {#if authStatus.authenticated}
        <div class="w-full hidden lg:flex items-center justify-end">
          <div class="flex items-center gap-2 rounded-full bg-muted/30 p-1">
            <Button
              variant="link"
              size="icon"
              class={`h-9 w-9 rounded-full p-0 relative text-foreground/80 group ${isActiveLink({ href: "/me" }) ? "text-foreground" : "hover:text-foreground"}`}
              href="/me"
              title={$_("header.dashboard")}
            >
              <span class="icon-[ri--dashboard-2-line] h-4 w-4"></span>
              <span
                class={`absolute -bottom-1 left-0 w-0 h-0.5 bg-gradient-to-r from-primary to-accent transition-all duration-300 ${isActiveLink({ href: "/me" }) ? "w-full" : "group-hover:w-full"}`}
              ></span>
              <span class="sr-only">{$_("header.dashboard")}</span>
            </Button>

            <Button
              variant="link"
              size="icon"
              class={`h-9 w-9 rounded-full p-0 relative text-foreground/80 group ${isActiveLink({ href: "/play" }) ? "text-foreground" : "hover:text-foreground"}`}
              href="/play"
              title={$_("header.play")}
            >
              <span class="icon-[ri--rocket-line] h-4 w-4"></span>
              <span
                class={`absolute -bottom-1 left-0 w-0 h-0.5 bg-gradient-to-r from-primary to-accent transition-all duration-300 ${isActiveLink({ href: "/play" }) ? "w-full" : "group-hover:w-full"}`}
              ></span>
              <span class="sr-only">{$_("header.play")}</span>
            </Button>

            {#if authStatus.user?.is_admin}
              <Button
                variant="link"
                size="icon"
                class={`h-9 w-9 rounded-full p-0 relative text-foreground/80 group ${isActiveLink({ href: "/admin" }) ? "text-foreground" : "hover:text-foreground"}`}
                href="/admin/users"
                title="Admin"
              >
                <span class="icon-[ri--settings-3-line] h-4 w-4"></span>
                <span
                  class={`absolute -bottom-1 left-0 w-0 h-0.5 bg-gradient-to-r from-primary to-accent transition-all duration-300 ${isActiveLink({ href: "/admin" }) ? "w-full" : "group-hover:w-full"}`}
                ></span>
                <span class="sr-only">Admin</span>
              </Button>
            {/if}

            <Separator orientation="vertical" class="mx-1 h-6 bg-border/50" />

            <a href="/me" class="flex items-center gap-2 px-1 hover:opacity-80 transition-opacity">
              <Avatar class="h-7 w-7 ring-2 ring-primary/20">
                <AvatarImage
                  src={getAssetUrl(authStatus.user!.avatar, "mini")!}
                  alt={authStatus.user!.artist_name || authStatus.user!.email}
                />
                <AvatarFallback
                  class="bg-gradient-to-br from-primary to-accent text-primary-foreground text-xs font-semibold"
                >
                  {getUserInitials(authStatus.user!.artist_name || authStatus.user!.email)}
                </AvatarFallback>
              </Avatar>
              <span class="text-sm font-medium text-foreground/90 max-w-24 truncate">
                {authStatus.user!.artist_name || authStatus.user!.email.split("@")[0]}
              </span>
            </a>

            <Button
              variant="ghost"
              size="icon"
              class="h-8 w-8 rounded-full text-foreground hover:text-destructive hover:bg-destructive/10"
              onclick={handleLogout}
              title={$_("header.logout")}
            >
              <span class="icon-[ri--logout-circle-r-line] h-4 w-4"></span>
            </Button>
          </div>
        </div>
      {:else}
        <div class="hidden lg:flex w-full items-center justify-end gap-4">
          <Button variant="outline" class="font-medium" href="/login">{$_("header.login")}</Button>
          <Button
            href="/signup"
            class="bg-gradient-to-r from-primary to-accent hover:from-primary/90 hover:to-accent/90 font-medium"
            >{$_("header.signup")}</Button
          >
        </div>
      {/if}

      <!-- Burger button — mobile/tablet only -->
      <div class="lg:hidden ml-auto">
        <BurgerMenuButton
          label={$_("header.navigation")}
          bind:isMobileMenuOpen
          onclick={() => (isMobileMenuOpen = !isMobileMenuOpen)}
        />
      </div>
    </div>
  </div>
</header>

<!-- Backdrop -->
<div
  role="presentation"
  class={`fixed inset-0 z-40 bg-black/60 backdrop-blur-sm transition-opacity duration-300 lg:hidden ${isMobileMenuOpen ? "opacity-100 pointer-events-auto" : "opacity-0 pointer-events-none"}`}
  onclick={closeMenu}
></div>

<!-- Flyout panel -->
<div
  class={`fixed inset-y-0 left-0 z-50 w-80 max-w-[85vw] bg-card/95 backdrop-blur-xl shadow-2xl shadow-primary/20 border-r border-border/30 transform transition-transform duration-300 ease-in-out lg:hidden overflow-y-auto flex flex-col ${isMobileMenuOpen ? "translate-x-0" : "-translate-x-full"}`}
  inert={!isMobileMenuOpen || undefined}
>
  <!-- Panel header -->
  <div class="flex items-center px-5 h-16 shrink-0 border-b border-border/30">
    <Logo />
  </div>

  <div class="flex-1 py-6 px-5 space-y-6">
    <!-- User card -->
    {#if authStatus.authenticated}
      <div class="flex items-center gap-3 rounded-xl border border-border/40 bg-card/50 px-4 py-3">
        <Avatar class="h-10 w-10 ring-2 ring-primary/20 shrink-0">
          <AvatarImage
            src={getAssetUrl(authStatus.user!.avatar, "mini")!}
            alt={authStatus.user!.artist_name || authStatus.user!.email}
          />
          <AvatarFallback
            class="bg-gradient-to-br from-primary to-accent text-primary-foreground text-sm font-semibold"
          >
            {getUserInitials(authStatus.user!.artist_name || authStatus.user!.email)}
          </AvatarFallback>
        </Avatar>
        <div class="flex flex-col min-w-0 flex-1">
          <span class="text-sm font-semibold text-foreground truncate">
            {authStatus.user!.artist_name || authStatus.user!.email.split("@")[0]}
          </span>
          <span class="text-xs text-muted-foreground truncate">{authStatus.user!.email}</span>
        </div>
        <Button
          variant="ghost"
          size="icon"
          class="h-8 w-8 rounded-full text-muted-foreground hover:text-destructive hover:bg-destructive/10 shrink-0"
          onclick={handleLogout}
          title={$_("header.logout")}
        >
          <span class="icon-[ri--logout-circle-r-line] h-4 w-4"></span>
        </Button>
      </div>
    {/if}

    <!-- Navigation -->
    <div class="space-y-2">
      <h3 class="px-1 text-xs font-semibold text-muted-foreground uppercase tracking-wider">
        {$_("header.navigation")}
      </h3>
      <div class="grid gap-1.5">
        {#each navLinks as link (link.href)}
          <a
            href={link.href}
            class={`flex items-center justify-between rounded-xl border px-4 py-3 transition-all duration-200 hover:border-primary/30 hover:bg-primary/5 ${
              isActiveLink(link)
                ? "border-primary/40 bg-primary/8 text-foreground"
                : "border-border/40 bg-card/50 text-foreground/85"
            }`}
            onclick={closeMenu}
          >
            <span class="font-medium text-sm">{link.name}</span>
            <span class="icon-[ri--arrow-right-s-line] h-4 w-4 text-muted-foreground"></span>
          </a>
        {/each}
      </div>
    </div>

    <!-- Account -->
    <div class="space-y-2">
      <h3 class="px-1 text-xs font-semibold text-muted-foreground uppercase tracking-wider">
        {$_("header.account")}
      </h3>
      <div class="grid gap-1.5">
        {#if authStatus.authenticated}
          <a
            class={`flex items-center gap-3 rounded-xl border px-4 py-3 transition-all duration-200 group hover:border-primary/30 hover:bg-primary/5 ${isActiveLink({ href: "/me" }) ? "border-primary/40 bg-primary/8" : "border-border/40 bg-card/50"}`}
            href="/me"
            onclick={closeMenu}
          >
            <div
              class="flex h-8 w-8 items-center justify-center rounded-lg bg-muted/60 group-hover:bg-primary/10 transition-colors"
            >
              <span
                class="icon-[ri--dashboard-2-line] h-4 w-4 text-muted-foreground group-hover:text-primary transition-colors"
              ></span>
            </div>
            <div class="flex flex-1 flex-col gap-0.5">
              <span class="text-sm font-medium text-foreground">{$_("header.dashboard")}</span>
              <span class="text-xs text-muted-foreground">{$_("header.dashboard_hint")}</span>
            </div>
            <span class="icon-[ri--arrow-right-s-line] h-4 w-4 text-muted-foreground"></span>
          </a>

          <a
            class={`flex items-center gap-3 rounded-xl border px-4 py-3 transition-all duration-200 group hover:border-primary/30 hover:bg-primary/5 ${isActiveLink({ href: "/play" }) ? "border-primary/40 bg-primary/8" : "border-border/40 bg-card/50"}`}
            href="/play"
            onclick={closeMenu}
          >
            <div
              class="flex h-8 w-8 items-center justify-center rounded-lg bg-muted/60 group-hover:bg-primary/10 transition-colors"
            >
              <span
                class="icon-[ri--rocket-line] h-4 w-4 text-muted-foreground group-hover:text-primary transition-colors"
              ></span>
            </div>
            <div class="flex flex-1 flex-col gap-0.5">
              <span class="text-sm font-medium text-foreground">{$_("header.play")}</span>
              <span class="text-xs text-muted-foreground">{$_("header.play_hint")}</span>
            </div>
            <span class="icon-[ri--arrow-right-s-line] h-4 w-4 text-muted-foreground"></span>
          </a>

          {#if authStatus.user?.is_admin}
            <a
              class={`flex items-center gap-3 rounded-xl border px-4 py-3 transition-all duration-200 group hover:border-primary/30 hover:bg-primary/5 ${isActiveLink({ href: "/admin" }) ? "border-primary/40 bg-primary/8" : "border-border/40 bg-card/50"}`}
              href="/admin/users"
              onclick={closeMenu}
            >
              <div
                class="flex h-8 w-8 items-center justify-center rounded-lg bg-muted/60 group-hover:bg-primary/10 transition-colors"
              >
                <span
                  class="icon-[ri--settings-3-line] h-4 w-4 text-muted-foreground group-hover:text-primary transition-colors"
                ></span>
              </div>
              <div class="flex flex-1 flex-col gap-0.5">
                <span class="text-sm font-medium text-foreground">Admin</span>
                <span class="text-xs text-muted-foreground">Manage content</span>
              </div>
              <span class="icon-[ri--arrow-right-s-line] h-4 w-4 text-muted-foreground"></span>
            </a>
          {/if}
        {:else}
          <a
            class={`flex items-center gap-3 rounded-xl border px-4 py-3 transition-all duration-200 group hover:border-primary/30 hover:bg-primary/5 ${isActiveLink({ href: "/login" }) ? "border-primary/40 bg-primary/8" : "border-border/40 bg-card/50"}`}
            href="/login"
            onclick={closeMenu}
          >
            <div
              class="flex h-8 w-8 items-center justify-center rounded-lg bg-muted/60 group-hover:bg-primary/10 transition-colors"
            >
              <span
                class="icon-[ri--login-circle-line] h-4 w-4 text-muted-foreground group-hover:text-primary transition-colors"
              ></span>
            </div>
            <div class="flex flex-1 flex-col gap-0.5">
              <span class="text-sm font-medium text-foreground">{$_("header.login")}</span>
              <span class="text-xs text-muted-foreground">{$_("header.login_hint")}</span>
            </div>
            <span class="icon-[ri--arrow-right-s-line] h-4 w-4 text-muted-foreground"></span>
          </a>

          <a
            class={`flex items-center gap-3 rounded-xl border px-4 py-3 transition-all duration-200 group hover:border-primary/30 hover:bg-primary/5 ${isActiveLink({ href: "/signup" }) ? "border-primary/40 bg-primary/8" : "border-border/40 bg-card/50"}`}
            href="/signup"
            onclick={closeMenu}
          >
            <div
              class="flex h-8 w-8 items-center justify-center rounded-lg bg-muted/60 group-hover:bg-accent/10 transition-colors"
            >
              <span
                class="icon-[ri--heart-add-2-line] h-4 w-4 text-muted-foreground group-hover:text-accent transition-colors"
              ></span>
            </div>
            <div class="flex flex-1 flex-col gap-0.5">
              <span class="text-sm font-medium text-foreground">{$_("header.signup")}</span>
              <span class="text-xs text-muted-foreground">{$_("header.signup_hint")}</span>
            </div>
            <span class="icon-[ri--arrow-right-s-line] h-4 w-4 text-muted-foreground"></span>
          </a>
        {/if}
      </div>
    </div>
  </div>
</div>
