import { Link } from "react-router-dom";
import { useAuth } from "../contexts/AuthContext";
import { getDiscordAvatarUrl } from "../services/api";
import "./Header.css";

export function Header() {
  const { user, isLoading, isAuthenticated, login, logout } = useAuth();

  return (
    <header className="header">
      <div className="header-content">
        <Link to="/" className="logo">
          <span className="logo-icon">⚔️</span>
          <span className="logo-text">ReSekai</span>
        </Link>

        <nav className="nav">
          <Link to="/" className="nav-link">
            Истории
          </Link>
          {isAuthenticated && (
            <>
              <Link to="/create" className="nav-link">
                Создать
              </Link>
              <Link to="/characters" className="nav-link">
                Персонажи
              </Link>
              <Link to="/npc" className="nav-link">
                NPC
              </Link>
            </>
          )}
        </nav>

        <div className="auth-section">
          {isLoading ? (
            <div className="auth-loading">Загрузка...</div>
          ) : isAuthenticated && user ? (
            <div className="user-menu">
              <img
                src={getDiscordAvatarUrl(user)}
                alt={user.username}
                className="user-avatar"
              />
              <span className="user-name">{user.username}</span>
              <button onClick={logout} className="logout-button">
                Выйти
              </button>
            </div>
          ) : (
            <button onClick={login} className="discord-login-button">
              <svg
                className="discord-icon"
                viewBox="0 0 24 24"
                fill="currentColor"
              >
                <path d="M20.317 4.37a19.791 19.791 0 0 0-4.885-1.515.074.074 0 0 0-.079.037c-.21.375-.444.864-.608 1.25a18.27 18.27 0 0 0-5.487 0 12.64 12.64 0 0 0-.617-1.25.077.077 0 0 0-.079-.037A19.736 19.736 0 0 0 3.677 4.37a.07.07 0 0 0-.032.027C.533 9.046-.32 13.58.099 18.057a.082.082 0 0 0 .031.057 19.9 19.9 0 0 0 5.993 3.03.078.078 0 0 0 .084-.028 14.09 14.09 0 0 0 1.226-1.994.076.076 0 0 0-.041-.106 13.107 13.107 0 0 1-1.872-.892.077.077 0 0 1-.008-.128 10.2 10.2 0 0 0 .372-.292.074.074 0 0 1 .077-.01c3.928 1.793 8.18 1.793 12.062 0a.074.074 0 0 1 .078.01c.12.098.246.198.373.292a.077.077 0 0 1-.006.127 12.299 12.299 0 0 1-1.873.892.077.077 0 0 0-.041.107c.36.698.772 1.362 1.225 1.993a.076.076 0 0 0 .084.028 19.839 19.839 0 0 0 6.002-3.03.077.077 0 0 0 .032-.054c.5-5.177-.838-9.674-3.549-13.66a.061.061 0 0 0-.031-.03zM8.02 15.33c-1.183 0-2.157-1.085-2.157-2.419 0-1.333.956-2.419 2.157-2.419 1.21 0 2.176 1.096 2.157 2.42 0 1.333-.956 2.418-2.157 2.418zm7.975 0c-1.183 0-2.157-1.085-2.157-2.419 0-1.333.955-2.419 2.157-2.419 1.21 0 2.176 1.096 2.157 2.42 0 1.333-.946 2.418-2.157 2.418z" />
              </svg>
              Войти через Discord
            </button>
          )}
        </div>
      </div>
    </header>
  );
}