"use client";

import { ProductsTab, ReviewsTab } from "@/components/organisms/manager";
import { useAuth } from "@/lib/auth-context";
import { useManager } from "@/lib/manager-context";
import Link from "next/link";
import { useEffect, useRef, useState } from "react";

export default function ManagerPage() {
  const { user, logout } = useAuth();
  const { activeTab, setActiveTab, products } = useManager();
  const [dropdownOpen, setDropdownOpen] = useState(false);
  const dropdownRef = useRef<HTMLDivElement>(null);

  const tabs = [
    {
      id: "products" as const,
      label: "Menu",
      icon: "fa-solid fa-utensils",
      count: products.length,
    },
    {
      id: "reviews" as const,
      label: "Reviews",
      icon: "fa-solid fa-star",
      count: null,
    },
  ];

  useEffect(() => {
    function handleOutsideClick(e: MouseEvent) {
      if (
        dropdownRef.current &&
        !dropdownRef.current.contains(e.target as Node)
      ) {
        setDropdownOpen(false);
      }
    }
    document.addEventListener("mousedown", handleOutsideClick);
    return () => document.removeEventListener("mousedown", handleOutsideClick);
  }, []);

  return (
    <div className="flex min-h-screen">
      {/* ── Sidebar (lg+) ── */}
      <aside className="hidden w-64 shrink-0 flex-col border-r border-(--color-border-light) bg-white shadow-sm lg:flex">
        <div className="flex items-center gap-3 border-b border-(--color-border-light) px-5 py-5">
          <div className="flex h-9 w-9 items-center justify-center rounded-xl bg-(--color-primary)">
            <i className="fa-solid fa-store text-sm text-white"></i>
          </div>
          <div>
            <p className="text-foreground text-sm font-bold">Manager</p>
            <p className="text-xs text-(--color-text-muted)">Dashboard</p>
          </div>
        </div>

        <nav className="flex-1 space-y-1 p-3">
          <p className="mb-2 px-3 text-[11px] font-semibold tracking-wider text-(--color-text-muted) uppercase">
            Menu Management
          </p>
          {tabs.map((tab) => (
            <button
              key={tab.id}
              onClick={() => setActiveTab(tab.id)}
              className={`flex w-full cursor-pointer items-center gap-3 rounded-xl border-none px-3 py-2.5 text-sm font-medium transition-all ${
                activeTab === tab.id
                  ? "bg-(--color-primary) text-white shadow-sm"
                  : "hover:bg-background bg-transparent text-(--color-text-secondary) hover:text-(--color-primary-dark)"
              }`}
            >
              <i className={`${tab.icon} w-4 text-center`}></i>
              <span className="flex-1 text-left">{tab.label}</span>
              {tab.count !== null && (
                <span
                  className={`rounded-full px-2 py-0.5 text-xs font-semibold ${
                    activeTab === tab.id
                      ? "bg-white/20 text-white"
                      : "bg-(--color-border-light) text-(--color-text-muted)"
                  }`}
                >
                  {tab.count}
                </span>
              )}
            </button>
          ))}
          <div className="mt-3 border-t border-(--color-border-light) pt-3">
            <p className="mb-2 px-3 text-[11px] font-semibold tracking-wider text-(--color-text-muted) uppercase">
              Analytics
            </p>
            <Link
              href="/manager/analytics"
              className="hover:bg-background flex w-full items-center gap-3 rounded-xl px-3 py-2.5 text-sm font-medium text-(--color-text-secondary) no-underline transition-all hover:text-(--color-primary-dark)"
            >
              <i className="fa-solid fa-chart-line w-4 text-center"></i>
              <span className="flex-1 text-left">Finance</span>
              <span className="rounded-full bg-(--color-accent-light) px-2 py-0.5 text-xs font-semibold text-(--color-primary)">
                New
              </span>
            </Link>
            <Link
              href="/staff/schedule"
              className="hover:bg-background flex w-full items-center gap-3 rounded-xl px-3 py-2.5 text-sm font-medium text-(--color-text-secondary) no-underline transition-all hover:text-(--color-primary-dark)"
            >
              <i className="fa-solid fa-calendar-days w-4 text-center"></i>
              <span className="flex-1 text-left">Shifts</span>
              <span className="rounded-full bg-(--color-accent-light) px-2 py-0.5 text-xs font-semibold text-(--color-primary)">
                New
              </span>
            </Link>
          </div>
          <div className="mt-3 border-t border-(--color-border-light) pt-3">
            <p className="mb-2 px-3 text-[11px] font-semibold tracking-wider text-(--color-text-muted) uppercase">
              Staff
            </p>
            <Link
              href="/manager/create-staff"
              className="hover:bg-background flex w-full items-center gap-3 rounded-xl px-3 py-2.5 text-sm font-medium text-(--color-text-secondary) no-underline transition-all hover:text-(--color-primary-dark)"
            >
              <i className="fa-solid fa-user-plus w-4 text-center"></i>
              <span className="flex-1 text-left">Create Staff</span>
            </Link>
          </div>
        </nav>

        <div className="border-t border-(--color-border-light) p-3">
          <div className="flex items-center gap-3 rounded-xl p-3">
            <div className="flex h-9 w-9 shrink-0 items-center justify-center rounded-full bg-(--color-accent-light)">
              <i className="fa-solid fa-user-tie text-sm text-(--color-primary)"></i>
            </div>
            <div className="min-w-0 flex-1">
              <p className="text-foreground truncate text-sm font-semibold">
                {user?.name ?? "Manager"}
              </p>
              <p className="text-xs text-(--color-text-muted)">Store Manager</p>
            </div>
          </div>
          <div className="mt-1 flex gap-2 px-1">
            <Link
              href="/"
              className="hover:bg-background flex flex-1 items-center justify-center gap-1.5 rounded-xl border border-(--color-border-light) bg-transparent py-2 text-xs font-medium text-(--color-text-secondary) no-underline transition"
            >
              <i className="fa-solid fa-house"></i>
              Home
            </Link>
            <button
              onClick={logout}
              className="flex flex-1 cursor-pointer items-center justify-center gap-1.5 rounded-xl border-none bg-transparent py-2 text-xs font-medium text-red-500 transition hover:bg-red-50"
            >
              <i className="fa-solid fa-right-from-bracket"></i>
              Logout
            </button>
          </div>
        </div>
      </aside>

      {/* ── Main content ── */}
      <div className="flex min-w-0 flex-1 flex-col">
        <header className="sticky top-0 z-40 flex items-center justify-between gap-3 border-b border-(--color-border-light) bg-white px-5 py-4 shadow-sm">
          {/* Title */}
          <div className="min-w-0 shrink">
            <h1 className="text-foreground truncate text-lg font-bold">
              {tabs.find((t) => t.id === activeTab)?.label ?? "Manager"}
            </h1>
            <p className="truncate text-xs text-(--color-text-muted)">
              {activeTab === "products"
                ? "Manage menu items for your store"
                : "Customer reviews for your eatery"}
            </p>
          </div>

          {/* ── Actions: hidden on lg+ (sidebar handles nav there) ── */}
          <div className="flex shrink-0 items-center gap-1.5 lg:hidden">
            {/* sm–lg: inline icon+label buttons */}
            <div className="hidden items-center gap-1.5 sm:flex">
              {tabs.map((tab) => (
                <button
                  key={tab.id}
                  onClick={() => setActiveTab(tab.id)}
                  className={`flex cursor-pointer items-center gap-1.5 rounded-xl border-none px-3 py-2 text-xs font-medium transition ${
                    activeTab === tab.id
                      ? "bg-(--color-primary) text-white"
                      : "bg-background text-(--color-text-secondary) hover:text-(--color-primary)"
                  }`}
                >
                  <i className={tab.icon}></i>
                  <span>{tab.label}</span>
                </button>
              ))}
              <Link
                href="/manager/analytics"
                className="flex items-center gap-1.5 rounded-xl border-none bg-(--color-accent-light) px-3 py-2 text-xs font-medium text-(--color-primary) no-underline transition hover:opacity-80"
              >
                <i className="fa-solid fa-chart-line"></i>
                <span>Finance</span>
              </Link>
              <Link
                href="/staff/schedule"
                className="hover:bg-background flex items-center gap-1.5 rounded-xl border border-(--color-border-light) bg-transparent px-3 py-2 text-xs font-medium text-(--color-text-secondary) no-underline transition hover:text-(--color-primary-dark)"
              >
                <i className="fa-solid fa-calendar-days"></i>
                <span>Shifts</span>
              </Link>
              <Link
                href="/manager/create-staff"
                className="hover:bg-background flex items-center gap-1.5 rounded-xl border border-(--color-border-light) bg-transparent px-3 py-2 text-xs font-medium text-(--color-text-secondary) no-underline transition hover:text-(--color-primary-dark)"
              >
                <i className="fa-solid fa-user-plus"></i>
                <span>Create Staff</span>
              </Link>
              <Link
                href="/"
                className="hover:bg-background flex items-center gap-1.5 rounded-xl border border-(--color-border-light) bg-transparent px-3 py-2 text-xs font-medium text-(--color-text-secondary) no-underline transition"
              >
                <i className="fa-solid fa-house"></i>
                <span>Home</span>
              </Link>
              <button
                onClick={logout}
                className="flex cursor-pointer items-center gap-1.5 rounded-xl border border-red-200 bg-transparent px-3 py-2 text-xs font-medium text-red-500 transition hover:bg-red-50"
              >
                <i className="fa-solid fa-right-from-bracket"></i>
                <span>Logout</span>
              </button>
            </div>

            {/* < sm: hamburger → dropdown */}
            <div className="relative sm:hidden" ref={dropdownRef}>
              <button
                onClick={() => setDropdownOpen((prev) => !prev)}
                aria-label="Open menu"
                className="flex cursor-pointer items-center justify-center rounded-xl border border-(--color-border-light) bg-transparent p-2 text-sm text-(--color-text-secondary) transition hover:bg-(--color-border-light)"
              >
                <i
                  className={
                    dropdownOpen ? "fa-solid fa-xmark" : "fa-solid fa-bars"
                  }
                ></i>
              </button>

              {dropdownOpen && (
                <div className="absolute top-full right-0 z-50 mt-2 w-52 overflow-hidden rounded-2xl border border-(--color-border-light) bg-white shadow-xl">
                  <div className="p-1.5">
                    {/* Tab buttons */}
                    {tabs.map((tab) => (
                      <button
                        key={tab.id}
                        onClick={() => {
                          setActiveTab(tab.id);
                          setDropdownOpen(false);
                        }}
                        className={`flex w-full cursor-pointer items-center gap-2.5 rounded-xl border-none px-3 py-2.5 text-sm font-medium transition ${
                          activeTab === tab.id
                            ? "bg-(--color-primary) text-white"
                            : "bg-transparent text-(--color-text-secondary) hover:bg-(--color-border-light)"
                        }`}
                      >
                        <i className={`${tab.icon} w-4 text-center`}></i>
                        <span className="flex-1 text-left">{tab.label}</span>
                        {tab.count !== null && (
                          <span
                            className={`rounded-full px-2 py-0.5 text-xs font-semibold ${
                              activeTab === tab.id
                                ? "bg-white/20 text-white"
                                : "bg-(--color-border-light) text-(--color-text-muted)"
                            }`}
                          >
                            {tab.count}
                          </span>
                        )}
                      </button>
                    ))}

                    <div className="my-1.5 border-t border-(--color-border-light)"></div>

                    {/* Navigation links */}
                    <Link
                      href="/manager/analytics"
                      onClick={() => setDropdownOpen(false)}
                      className="flex items-center gap-2.5 rounded-xl px-3 py-2.5 text-sm font-medium text-(--color-primary) no-underline transition hover:bg-(--color-accent-light)"
                    >
                      <i className="fa-solid fa-chart-line w-4 text-center"></i>
                      <span>Finance</span>
                    </Link>
                    <Link
                      href="/staff/schedule"
                      onClick={() => setDropdownOpen(false)}
                      className="flex items-center gap-2.5 rounded-xl px-3 py-2.5 text-sm font-medium text-(--color-text-secondary) no-underline transition hover:bg-(--color-border-light)"
                    >
                      <i className="fa-solid fa-calendar-days w-4 text-center"></i>
                      <span>Shifts</span>
                    </Link>
                    <Link
                      href="/manager/create-staff"
                      onClick={() => setDropdownOpen(false)}
                      className="flex items-center gap-2.5 rounded-xl px-3 py-2.5 text-sm font-medium text-(--color-text-secondary) no-underline transition hover:bg-(--color-border-light)"
                    >
                      <i className="fa-solid fa-user-plus w-4 text-center"></i>
                      <span>Create Staff</span>
                    </Link>
                    <Link
                      href="/"
                      onClick={() => setDropdownOpen(false)}
                      className="flex items-center gap-2.5 rounded-xl px-3 py-2.5 text-sm font-medium text-(--color-text-secondary) no-underline transition hover:bg-(--color-border-light)"
                    >
                      <i className="fa-solid fa-house w-4 text-center"></i>
                      <span>Home</span>
                    </Link>

                    <div className="my-1.5 border-t border-(--color-border-light)"></div>

                    <button
                      onClick={() => {
                        setDropdownOpen(false);
                        logout();
                      }}
                      className="flex w-full cursor-pointer items-center gap-2.5 rounded-xl border-none bg-transparent px-3 py-2.5 text-sm font-medium text-red-500 transition hover:bg-red-50"
                    >
                      <i className="fa-solid fa-right-from-bracket w-4 text-center"></i>
                      <span>Logout</span>
                    </button>
                  </div>
                </div>
              )}
            </div>
          </div>

          {/* ── Desktop actions (lg+): sidebar handles nav, just show shortcut ── */}
          <div className="hidden items-center gap-2 lg:flex">
            <Link
              href="/manager/analytics"
              className="flex items-center gap-1.5 rounded-xl bg-(--color-accent-light) px-3 py-2 text-xs font-medium text-(--color-primary) no-underline transition hover:opacity-80"
            >
              <i className="fa-solid fa-chart-line"></i>
              Financial Analytics
            </Link>
            <Link
              href="/manager/create-staff"
              className="hover:bg-background flex items-center gap-1.5 rounded-xl border border-(--color-border-light) bg-transparent px-3 py-2 text-xs font-medium text-(--color-text-secondary) no-underline transition hover:text-(--color-primary-dark)"
            >
              <i className="fa-solid fa-user-plus"></i>
              Create Staff
            </Link>
            <Link
              href="/"
              className="hover:bg-background flex items-center gap-1.5 rounded-xl border border-(--color-border-light) bg-transparent px-3 py-2 text-xs font-medium text-(--color-text-secondary) no-underline transition"
            >
              <i className="fa-solid fa-house"></i>
              Home
            </Link>
          </div>
        </header>

        <main className="flex-1 p-5 md:p-8">
          {activeTab === "products" && <ProductsTab />}
          {activeTab === "reviews" && <ReviewsTab />}
        </main>
      </div>
    </div>
  );
}