"use client";

import { useState } from "react";
import Link from "next/link";
import { usePathname } from "next/navigation";
import Image from "next/image";
import { signOut } from "next-auth/react";

const NAV_ITEMS: { href: string; label: string; icon: string }[] = [
  { href: "/admin", label: "Dashboard", icon: "📊" },
  { href: "/admin/trips", label: "Trips", icon: "🧭" },
  { href: "/admin/users", label: "Users", icon: "👥" },
  { href: "/admin/verifications", label: "Verifikasi", icon: "🪪" },
  { href: "/admin/refunds", label: "Refund", icon: "↩️" },
  { href: "/admin/payouts", label: "Payout", icon: "💸" },
  { href: "/admin/system", label: "System", icon: "⚙️" },
];

interface AdminSidebarProps {
  user: { name: string; email: string };
}

export function AdminSidebar({ user }: AdminSidebarProps) {
  const pathname = usePathname();
  const [open, setOpen] = useState(false);

  return (
    <>
      {/* Mobile top bar */}
      <header className="sticky top-0 z-30 flex h-14 items-center justify-between border-b border-neutral-200 bg-white px-4 lg:hidden">
        <Link href="/admin" className="flex items-center gap-2">
          <Image
            src="/images/SeTrip.png"
            alt=""
            width={28}
            height={28}
            className="h-7 w-7 object-contain"
          />
          <span className="text-sm font-bold text-neutral-800">
            SeTrip <span className="text-primary-600">Admin</span>
          </span>
        </Link>
        <button
          type="button"
          onClick={() => setOpen((v) => !v)}
          className="flex h-9 w-9 items-center justify-center rounded-lg text-neutral-600 hover:bg-neutral-100"
          aria-label="Toggle menu"
          aria-expanded={open}
        >
          {open ? (
            <svg width="20" height="20" viewBox="0 0 20 20" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round">
              <path d="M5 5l10 10M15 5L5 15" />
            </svg>
          ) : (
            <svg width="20" height="20" viewBox="0 0 20 20" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round">
              <path d="M3 5h14M3 10h14M3 15h14" />
            </svg>
          )}
        </button>
      </header>

      {/* Mobile drawer backdrop */}
      {open && (
        <button
          type="button"
          aria-label="Tutup menu"
          onClick={() => setOpen(false)}
          className="fixed inset-0 z-30 bg-neutral-900/30 lg:hidden"
        />
      )}

      {/* Sidebar */}
      <aside
        className={`fixed inset-y-0 left-0 z-40 flex w-64 flex-col border-r border-neutral-200 bg-white transition-transform lg:sticky lg:top-0 lg:h-screen lg:translate-x-0 ${
          open ? "translate-x-0" : "-translate-x-full"
        }`}
      >
        <div className="flex h-16 items-center gap-2.5 border-b border-neutral-200 px-5">
          <Image
            src="/images/SeTrip.png"
            alt=""
            width={32}
            height={32}
            className="h-8 w-8 object-contain"
          />
          <div className="leading-tight">
            <p className="text-base font-bold text-neutral-800">
              SeTrip
            </p>
            <p className="text-[10px] font-semibold uppercase tracking-wider text-primary-600">
              Admin Panel
            </p>
          </div>
        </div>

        <nav className="flex-1 overflow-y-auto p-3">
          <ul className="space-y-1">
            {NAV_ITEMS.map((item) => {
              const isActive =
                pathname === item.href ||
                (item.href !== "/admin" && pathname?.startsWith(item.href));
              return (
                <li key={item.href}>
                  <Link
                    href={item.href}
                    onClick={() => setOpen(false)}
                    className={`flex items-center gap-3 rounded-lg px-3 py-2 text-sm font-medium transition-colors ${
                      isActive
                        ? "bg-primary-600 text-white"
                        : "text-neutral-700 hover:bg-neutral-100"
                    }`}
                  >
                    <span aria-hidden className="text-base">
                      {item.icon}
                    </span>
                    <span>{item.label}</span>
                  </Link>
                </li>
              );
            })}
          </ul>

          <div className="my-4 border-t border-neutral-100" />

          <ul className="space-y-1">
            <li>
              <Link
                href="/"
                onClick={() => setOpen(false)}
                className="flex items-center gap-3 rounded-lg px-3 py-2 text-xs font-medium text-neutral-500 hover:bg-neutral-100 hover:text-neutral-700"
              >
                <span aria-hidden>↩</span>
                <span>Lihat situs publik</span>
              </Link>
            </li>
          </ul>
        </nav>

        <div className="border-t border-neutral-100 p-3">
          <div className="flex items-center gap-2 rounded-lg px-2 py-2">
            <div className="flex h-8 w-8 shrink-0 items-center justify-center rounded-full bg-primary-600 text-xs font-bold text-white">
              {user.name.charAt(0).toUpperCase()}
            </div>
            <div className="min-w-0 flex-1">
              <p className="truncate text-xs font-semibold text-neutral-800">
                {user.name}
              </p>
              <p className="truncate text-[10px] text-neutral-500">
                {user.email}
              </p>
            </div>
            <button
              type="button"
              onClick={() => signOut({ callbackUrl: "/" })}
              className="rounded-lg px-2 py-1 text-[11px] font-medium text-neutral-500 hover:bg-red-50 hover:text-red-600"
              title="Keluar"
            >
              Keluar
            </button>
          </div>
        </div>
      </aside>
    </>
  );
}