/**
 * 用户相关 Mock
 *
 * 认证接口（登录、验证码登录、发送验证码）已接入真实后端 192.168.0.55:8080，
 * 通过 .umirc.ts 的 proxy 代理转发，不再 mock。
 *
 * 以下仅保留尚未对接真实接口的 mock。
 */

const mockUsers = [
  {
    userId: 1,
    username: 'admin',
    realName: '管理员',
    phone: '13800138000',
    avatar: null,
    userType: 1,
    password: '123456',
  },
  {
    userId: 2,
    username: 'teacher001',
    realName: '李老师',
    phone: '13800138002',
    avatar: null,
    userType: 2,
    password: '123456',
  },
  {
    userId: 3,
    username: 'student001',
    realName: '张三',
    phone: '13800138001',
    avatar: null,
    userType: 3,
    password: '123456',
  },
];

let nextUserId = 4;

const generateToken = () =>
  'eyJhbGciOiJIUzI1NiJ9.mock-' + Date.now() + '-' + Math.random().toString(36).slice(2);

const toUserData = (user: (typeof mockUsers)[0], token: string) => ({
  userId: user.userId,
  username: user.username,
  realName: user.realName,
  phone: user.phone,
  avatar: user.avatar,
  userType: user.userType,
  token,
});

export default {
  // 验证重置密码验证码（暂无真实接口）
  'POST /api/auth/verifyResetCode': (req: any, res: any) => {
    const { phone, code } = req.body;

    if (!phone || !code) {
      return res.json({ code: 40000, data: null, message: '请求参数错误' });
    }

    if (!/^1[3-9]\d{9}$/.test(phone)) {
      return res.json({ code: 40000, data: null, message: '手机号格式不正确' });
    }

    const user = mockUsers.find((u) => u.phone === phone);
    if (!user) {
      return res.json({ code: 40000, data: null, message: '该手机号未注册' });
    }

    if (code !== '123456') {
      return res.json({ code: 40000, data: null, message: '验证码错误或已过期' });
    }

    console.log(`[Mock] 验证码验证通过: ${phone}`);
    res.json({ code: 0, data: true, message: 'ok' });
  },

  // 重置密码（暂无真实接口）
  'POST /api/auth/resetPassword': (req: any, res: any) => {
    const { phone, code, newPassword } = req.body;

    if (!phone || !code || !newPassword) {
      return res.json({ code: 40000, data: null, message: '请求参数错误' });
    }

    if (code !== '123456') {
      return res.json({ code: 40000, data: null, message: '验证码错误或已过期' });
    }

    const user = mockUsers.find((u) => u.phone === phone);
    if (!user) {
      return res.json({ code: 40000, data: null, message: '该手机号未注册' });
    }

    if (newPassword.length < 6 || newPassword.length > 20) {
      return res.json({ code: 40000, data: null, message: '密码长度需为6-20位' });
    }

    user.password = newPassword;
    console.log(`[Mock] 用户 ${user.username} 密码已重置`);
    res.json({ code: 0, data: true, message: 'ok' });
  },

  // 用户注册（暂无真实接口）
  'POST /api/auth/register': (req: any, res: any) => {
    const { username, password, confirmPassword, realName, phone, email, userType } = req.body;

    if (!username || !password || !confirmPassword || !realName || !phone) {
      return res.json({ code: 40000, data: null, message: '请求参数错误' });
    }

    if (!/^[a-zA-Z0-9_]{4,20}$/.test(username)) {
      return res.json({ code: 40000, data: null, message: '用户名只能包含字母、数字、下划线' });
    }

    if (password.length < 6 || password.length > 20) {
      return res.json({ code: 40000, data: null, message: '密码长度需为6-20位' });
    }

    if (password !== confirmPassword) {
      return res.json({ code: 40000, data: null, message: '两次密码不一致' });
    }

    if (!/^1[3-9]\d{9}$/.test(phone)) {
      return res.json({ code: 40000, data: null, message: '手机号格式不正确' });
    }

    if (mockUsers.find((u) => u.username === username)) {
      return res.json({ code: 40000, data: null, message: '用户名已存在' });
    }

    if (mockUsers.find((u) => u.phone === phone)) {
      return res.json({ code: 40000, data: null, message: '手机号已注册' });
    }

    const newUser = {
      userId: nextUserId++,
      username,
      realName,
      phone,
      avatar: null,
      userType: userType || 3,
      password,
    };
    mockUsers.push(newUser);

    res.json({
      code: 0,
      data: toUserData(newUser, generateToken()),
      message: 'ok',
    });
  },
};