"use client";

import Link from "next/link";
import { usePathname } from "next/navigation";
import { cn } from "@/lib/utils";
import { YaltopiaFooter } from "./YaltopiaFooter";
import type { LucideIcon } from "lucide-react";
import {
  Bell,
  Search,
  Settings,
  Trophy,
  LogOut,
} from "lucide-react";
import { Avatar, AvatarFallback } from "@/components/ui/avatar";
import { Button } from "@/components/ui/button";
import { Input } from "@/components/ui/input";
import { createClient } from "@/lib/supabase/client";
import { useRouter } from "next/navigation";

export type NavItem = { href: string; label: string; icon: LucideIcon };

export function DashboardShell({
  brand,
  navItems,
  user,
  children,
}: {
  brand: string;
  navItems: NavItem[];
  user: { name: string; email: string };
  children: React.ReactNode;
}) {
  const pathname = usePathname();
  const router = useRouter();
  const initials = user.name
    .split(" ")
    .map((n) => n[0])
    .join("")
    .slice(0, 2)
    .toUpperCase();

  async function signOut() {
    const supabase = createClient();
    await supabase.auth.signOut();
    router.push("/");
    router.refresh();
  }

  return (
    <div className="retro-grid flex min-h-screen bg-background">
      <aside className="hidden w-64 shrink-0 flex-col border-r border-border/80 bg-card/80 backdrop-blur-md md:flex">
        <div className="flex h-14 items-center gap-2 border-b border-border/80 px-4">
          <div className="flex h-9 w-9 items-center justify-center rounded-xl bg-primary shadow-[0_0_20px_-4px_var(--neon)]">
            <Trophy className="h-4 w-4 text-primary-foreground" />
          </div>
          <div className="min-w-0">
            <p className="font-display truncate text-sm font-bold uppercase tracking-wide">
              Yaltopia FIFA
            </p>
            <p className="truncate text-[10px] uppercase tracking-wider text-neon-muted">
              {brand}
            </p>
          </div>
        </div>

        <nav className="flex-1 space-y-0.5 p-3">
          <p className="font-display px-3 pb-2 text-[10px] font-bold uppercase tracking-[0.2em] text-muted-foreground">
            Menu
          </p>
          {navItems.map(({ href, label, icon: Icon }) => {
            const active =
              pathname === href ||
              (href !== "/" && pathname.startsWith(href + "/"));
            return (
              <Link
                key={href}
                href={href}
                className={cn(
                  "flex items-center gap-3 rounded-xl px-3 py-2.5 text-sm font-medium transition-all",
                  active
                    ? "border border-neon/25 bg-neon/10 text-foreground shadow-[inset_3px_0_0_0_var(--neon)]"
                    : "text-muted-foreground hover:bg-secondary/80 hover:text-foreground"
                )}
              >
                <Icon
                  className={cn(
                    "h-4 w-4 shrink-0",
                    active ? "text-neon" : "opacity-70"
                  )}
                />
                {label}
              </Link>
            );
          })}
        </nav>

        <div className="border-t border-border/80 p-3">
          <div className="flex items-center gap-3 rounded-xl px-2 py-2">
            <Avatar className="h-9 w-9 border border-border">
              <AvatarFallback className="bg-secondary text-xs font-bold">
                {initials}
              </AvatarFallback>
            </Avatar>
            <div className="min-w-0 flex-1">
              <p className="truncate text-sm font-semibold">{user.name}</p>
              <p className="truncate text-xs text-muted-foreground">
                {user.email}
              </p>
            </div>
          </div>
          <Button
            variant="ghost"
            size="sm"
            className="mt-1 w-full justify-start text-muted-foreground"
            onClick={() => void signOut()}
          >
            <LogOut className="mr-2 h-4 w-4" />
            Sign out
          </Button>
        </div>
      </aside>

      <div className="flex min-w-0 flex-1 flex-col">
        <header className="sticky top-0 z-30 flex h-14 items-center gap-4 border-b border-border/80 bg-background/80 px-4 backdrop-blur-md lg:px-6">
          <div className="relative max-w-md flex-1">
            <Search className="absolute left-3 top-1/2 h-4 w-4 -translate-y-1/2 text-muted-foreground" />
            <Input
              placeholder="Search…"
              className="h-9 rounded-full border-border bg-muted/40 pl-9"
              readOnly
            />
          </div>
          <div className="ml-auto flex items-center gap-1">
            <Button variant="ghost" size="icon" className="rounded-full text-muted-foreground">
              <Bell className="h-4 w-4" />
            </Button>
            <Button variant="ghost" size="icon" className="rounded-full text-muted-foreground">
              <Settings className="h-4 w-4" />
            </Button>
            <div className="mx-1 h-6 w-px bg-border" aria-hidden />
            <Avatar className="h-8 w-8 border border-border md:hidden">
              <AvatarFallback className="text-[10px]">{initials}</AvatarFallback>
            </Avatar>
          </div>
        </header>

        <main className="flex-1 p-4 lg:p-6">{children}</main>

        <div className="border-t border-border/80 px-6 py-3">
          <YaltopiaFooter />
        </div>
      </div>
    </div>
  );
}