// dashboard/src/hooks/useAuth.ts
import { useState, useEffect } from 'react';
import axios from 'axios';

export function useAuth() {
  const [isAuthenticated, setIsAuthenticated] = useState<boolean | null>(null);
  const [password, setPassword] = useState('');
  const [loginError, setLoginError] = useState<string | null>(null);
  const [loggingIn, setLoggingIn] = useState(false);

  // 全局启用 Axios 跨域凭证
  useEffect(() => {
    axios.defaults.withCredentials = true;
  }, []);

  // 校验登录状态
  useEffect(() => {
    axios.get('/api/auth/check')
      .then(() => {
        setIsAuthenticated(true);
      })
      .catch(() => {
        setIsAuthenticated(false);
      });
  }, []);

  const handleLogin = async (e: React.FormEvent) => {
    e.preventDefault();
    if (!password.trim()) {
      setLoginError('请输入访问密码！');
      return;
    }
    setLoggingIn(true);
    setLoginError(null);
    try {
      const res = await axios.post('/api/auth/login', { password });
      if (res.data && res.data.bookmarklet_key) {
        localStorage.setItem('bookmarklet_key', res.data.bookmarklet_key);
      }
      setIsAuthenticated(true);
      setLoginError(null);
    } catch (err: unknown) {
      console.error('登录校验失败:', err);
      const axiosError = err as { response?: { data?: string | { error?: string } } };
      let errMsg = '密码错误，请重试。';
      if (axiosError.response?.data) {
        const data = axiosError.response.data;
        if (typeof data === 'string') {
          errMsg = data;
        } else if (typeof data === 'object' && data !== null && 'error' in data) {
          errMsg = data.error || errMsg;
        }
      }
      setLoginError(errMsg);
    } finally {
      setLoggingIn(false);
    }
  };

  const handleLogout = async () => {
    try {
      await axios.post('/api/auth/logout');
    } catch (e) {
      console.error('登出失败:', e);
    }
    localStorage.removeItem('bookmarklet_key');
    setIsAuthenticated(false);
    setPassword('');
  };

  return {
    isAuthenticated,
    password,
    setPassword,
    loginError,
    loggingIn,
    handleLogin,
    handleLogout,
  };
}