// 引用用户模版数据
const User = require('../model/user');

const userController = {
  // showUser 获取用户数据并返回到页面
  showUser: async function(req,res,next){
    try{
      let userData;
      if(req.body.id){
        console.log(req.body.id)
        userData= await User.getById('id',req.body.id)
      }else{
        userData = await User.all()
      }
      res.json({
        code: 200,
        message: "操作成功",
        data: userData
      })
    }catch(e){
      res.json({ code: 0, message: "操作失败", data: e })
    }
  },
  // 新增用户
  addUser: async function(req, res, next) {
    try {
      const userData = req.body; // 从请求中获取用户数据
  
      const result = await User.insert(userData);
      res.json({
        code: 200,
        message: "用户添加成功",
        data: result
      });
    } catch (e) {
      res.json({
        code: 0,
        message: "用户添加失败",
        data: e
      });
    }
  },
  // 修改用户
  updateUser: async function(req, res, next) {
  try {
    const userId = req.body.id; // Assuming the user ID is passed as a parameter
    const userData = req.body; // Updated user data
    console.log(userId + " & " + JSON.stringify(userData));
    const result = await User.update(userId, userData); // Use an appropriate function to update the user
    if (result) {
      res.json({
        code: 200,
        message: "用户修改成功",
        data: result
      });
    } else {
      res.json({
        code: 404,
        message: "用户不存在",
        data: null
      });
    }
  } catch (e) {
    res.json({
      code: 0,
      message: "用户修改失败",
      data: e
    });
  }
},
  // 删除用户
  deleteUser: async function(req, res, next) {
  try {
    const userId = req.body.id; // Assuming the user ID is passed as a parameter
    const result = await User.delete(userId); // Use an appropriate function to delete the user
    if (result) {
      res.json({
        code: 200,
        message: "用户删除成功",
        data: result
      });
    } else {
      res.json({
        code: 404,
        message: "用户不存在",
        data: null
      });
    }
  } catch (e) {
    res.json({
      code: 0,
      message: "用户删除失败",
      data: e
    });
  }
},
 // 注册用户
 register: async function(req, res, next) {
  try {
    const userData = req.body; // 从请求中获取用户数据
    const newUser = await User.insert(userData); // 创建新用户，使用合适的方法
    res.json({
      code: 200,
      message: "注册成功",
      data: newUser
    });
  } catch (e) {
    res.json({
      code: 0,
      message: "注册失败",
      data: e
    });
  }
},

// 用户登录
login: async function(req, res, next) {
  try {
    const user = await User.getById('username',req.body.username); // 根据邮箱和密码查找用户，使用合适的方法
    if (!req.body.password==user.password) {
      res.json({
        code: 401,
        message: "登录失败，用户名或密码不正确",
        data: null
      });
    } else {
      // 在此处可以生成并返回一个 JSON Web Token (JWT) 作为用户的身份认证标识
      const token = User.generateAuthToken();
      res.json({
        code: 200,
        message: "登录成功",
        data: { user, token }
      });
    }
  } catch (e) {
    res.json({
      code: 0,
      message: "登录失败",
      data: e
    });
  }
}



}

module.exports = userController;