import api from './api';

export const authService = {
  // 登录
  login: async (username, password) => {
    const response = await api.post('/auth/login', { username, password });
    // 响应格式: { code, message, data: { user_id, username, caption, email, token, role_id } }
    if (response.data?.token) {
      localStorage.setItem('token', response.data.token);
      // 保存用户信息，不包括 token
      const { token, ...userInfo } = response.data;
      localStorage.setItem('user', JSON.stringify(userInfo));
    }
    return response;
  },

  // 获取当前用户
  getCurrentUser: async () => {
    return await api.get('/auth/me');
  },

  // 退出登录
  logout: () => {
    localStorage.removeItem('token');
    localStorage.removeItem('user');
  },

  // 检查是否已登录
  isAuthenticated: () => {
    return !!localStorage.getItem('token');
  },

  // 获取本地用户信息
  getLocalUser: () => {
    const userStr = localStorage.getItem('user');
    // 防止解析 "undefined" 或 "null" 字符串
    if (!userStr || userStr === 'undefined' || userStr === 'null') {
      return null;
    }
    try {
      return JSON.parse(userStr);
    } catch (error) {
      console.error('Failed to parse user data:', error);
      return null;
    }
  },

  // 获取用户统计信息
  getUserStats: async (userId) => {
    return await api.get('/meetings/stats', {
      params: { user_id: userId }
    });
  }
};