const userCode = require('../../codes/user.js')
const userInfoService = require('../../services/user-info')

module.exports = {
  /**
   * 修改个人信息，由于用户名和邮箱比较重要，暂不提供修改
   * @param {*} ctx 
   * @param {*} next 
   */
  async modifyUserinfo(ctx, next) {
    let user = ctx.state.user;
    let formData = ctx.request.body;
    let result = {
      message: 'fail',
      data: null,
      success: false
    };
    // 根据ID查询
    let userResult = await userInfoService.getExistOneByIdOrUserName(user);
    if (userResult) {
      // 用户信息验证，不校验密码
      let validateResult = await userInfoService.validatorNeed(formData, false)
      if (!validateResult.success) {
        result.success = false;
        result.message = validateResult.message;
        ctx.body = result
        return
      }
      let r = await userInfoService.update(formData, user.id);
      if (r) {
        result.success = true;
        result.message = 'success';
      } else {
        result.success = false;
        result.message = 'fail';
      }
    } else {
      result.success = false;
      result.message = userCode.FAIL_USER_NO_EXIST
    }
    ctx.body = result
  },
  async getUserinfo(ctx, next) {
    let formData = ctx.state.user;
    let result = {
      message: '',
      data: null,
      code: 400
    };
    let userResult = await userInfoService.getExistOneByIdOrUserName(formData);
    if (userResult) {
      result.code = 200;
      delete userResult.password
      result.data = userResult;
    } else {
      result.message = userCode.FAIL_USER_NO_EXIST
    }
    ctx.body = result;
  },

  /**
   * 登录操作，返回
   * @param {*} ctx 
   * @param {*} next 
   */
  async login(ctx, next) {
    let formData = ctx.request.body;
    let result = {
      message: 'fail',
      data: null,
      success: false
    }
    let validateResult = await userInfoService.validatorNeed(formData)
    if (!validateResult.success) {
      result.success = false;
      result.message = validateResult.message;
      ctx.body = result
      return
    }
    // 是否存在一个相同用户
    let existOne = await userInfoService.getExistOne(formData);
    if (Array.isArray(existOne)) {
      if (existOne.length > 1) {
        result.success = false;
        result.message = userCode.ERROR_MORE_USER;
        ctx.body = result;
        return;
      }
      existOne = existOne[0];
      // 密码验证，获取token
      let token = await userInfoService.validatorPwd(formData, existOne)
      if (!token) {
        result.success = false;
        result = userCode.FAIL_USER_NAME_OR_PASSWORD_ERROR;
        ctx.body = result;
        return;
      } else {
        result.success = true;
        result.message = 'success';
        result.data = token;
      }
    } else {
      result.success = false;
      result.message = userCode.FAIL_USER_NO_EXIST;
      ctx.body = result;
      return;
    }
    ctx.body = result;
  },

  /**
   * 注册操作
   * @param {*} ctx 上下文
   * {
   *  imgurl,
   *  email,
   *  password, 必须
   *  confirmPassword,必须
   *  username, 必须
   *  nickname,
   *  createTime,
   *  modifiedTime,
   *  level
   * }
   */
  async register(ctx, next) {
    let formData = ctx.request.body;
    let result = {
      success: false,
      message: 'fail',
      data: null
    }
    // 用户注册信息验证
    let validateResult = await userInfoService.validatorSignUp(formData)
    if (!validateResult.success) {
      result.success = false;
      result.message = validateResult.message;
      ctx.body = result;
      return
    }
    // 是否存在一个相同用户
    let existOne = await userInfoService.getExistOne(formData);
    if (Array.isArray(existOne)) {
      if (existOne.length > 1) {
        result.success = false;
        result.message = userCode.ERROR_MORE_USER;
        ctx.body = result;
        return;
      }
      existOne = existOne[0];
      // 判断是否存在相同用户名或者邮箱
      if (existOne.username === formData.username) {
        result.message = userCode.FAIL_USER_NAME_IS_EXIST
        ctx.body = result
        return
      }
      if (existOne.email === formData.email) {
        result.message = userCode.FAIL_EMAIL_IS_EXIST
        ctx.body = result
        return
      }
    }
    // 创建用户
    let userResult = await userInfoService.create({
      imgurl: formData.imgurl,
      email: formData.email,
      password: formData.password,
      username: formData.username,
      nickname: formData.nickname,
      createTime: new Date().getTime(),
      level: 1,
    })
    if (userResult && userResult.insertId * 1 > 0) {
      result.success = true;
      result.message = 'success'
    } else {
      result.message = userCode.ERROR_SYS
    }
    ctx.body = result;
  }
}