import { useEffect, useState } from "react";
import { useLocation } from "wouter";
import { createApiClient } from "../api/client";
import type { components } from "../api/schema";
import BorderedContainerWithCaption from "../components/BorderedContainerWithCaption";
import NavigateLink from "../components/NavigateLink";
import UserIcon from "../components/UserIcon";
import { APP_NAME, BASE_PATH } from "../config";
import { useAuth } from "../hooks/useAuth";
import { usePageTitle } from "../hooks/usePageTitle";

type Game = components["schemas"]["Game"];

export default function DashboardPage() {
  usePageTitle(`Dashboard | ${APP_NAME}`);

  const { user, isLoggedIn, isLoading: authLoading, logout } = useAuth();
  const [, navigate] = useLocation();

  const [games, setGames] = useState<Game[]>([]);
  const [loading, setLoading] = useState(true);

  useEffect(() => {
    const apiClient = createApiClient();
    apiClient
      .getGames()
      .then(({ games }) => setGames(games))
      .finally(() => setLoading(false));
  }, []);

  async function handleLogout() {
    await logout();
    navigate("/");
  }

  if (loading || authLoading) {
    return (
      <div className="min-h-screen bg-gray-100 flex items-center justify-center">
        <p className="text-gray-500">Loading...</p>
      </div>
    );
  }

  return (
    <div className="p-6 bg-gray-100 min-h-screen flex flex-col items-center gap-4">
      {isLoggedIn && user?.icon_path && (
        <UserIcon
          iconPath={user.icon_path}
          displayName={user.display_name}
          className="w-24 h-24"
        />
      )}
      {isLoggedIn ? (
        <h1 className="text-3xl font-bold text-gray-800">
          {user?.display_name}
        </h1>
      ) : (
        <h1 className="text-3xl font-bold text-gray-800">試合一覧</h1>
      )}
      <BorderedContainerWithCaption caption="試合一覧">
        <div className="px-4">
          {games.length === 0 ? (
            <p>試合はありません</p>
          ) : (
            <ul className="divide-y divide-gray-300">
              {games.map((game) => (
                <li
                  key={game.game_id}
                  className="flex justify-between items-center py-2 gap-4"
                >
                  <div>
                    <span className="font-medium text-gray-800">
                      {game.display_name}
                    </span>
                  </div>
                  <div className="flex gap-2">
                    {isLoggedIn && game.started_at == null && (
                      <NavigateLink to={`/golf/${game.game_id}/preview`}>
                        問題を見る
                      </NavigateLink>
                    )}
                    {isLoggedIn && (
                      <NavigateLink to={`/golf/${game.game_id}/play`}>
                        対戦
                      </NavigateLink>
                    )}
                    <NavigateLink to={`/golf/${game.game_id}/watch`}>
                      観戦
                    </NavigateLink>
                  </div>
                </li>
              ))}
            </ul>
          )}
        </div>
      </BorderedContainerWithCaption>
      {isLoggedIn ? (
        <button
          type="button"
          onClick={handleLogout}
          className="px-4 py-2 bg-red-500 text-white rounded-sm transition duration-300 hover:bg-red-700 focus:ring-3 focus:ring-red-400 focus:outline-hidden"
        >
          ログアウト
        </button>
      ) : (
        <NavigateLink to="/login">ログイン</NavigateLink>
      )}
      {isLoggedIn && user?.is_admin && (
        <a
          href={
            import.meta.env.DEV
              ? `http://localhost:8007${BASE_PATH}admin/dashboard`
              : `${BASE_PATH}admin/dashboard`
          }
          className="text-lg text-white bg-brand-600 px-4 py-2 rounded-sm transition duration-300 hover:bg-brand-500 focus:ring-3 focus:ring-brand-400 focus:outline-hidden"
        >
          Admin Dashboard
        </a>
      )}
    </div>
  );
}