package model

import (
	"context"
	"errors"
	"fmt"
	"icloudapp.cn/tools/entity"
	_ "icloudapp.cn/tools/repository/mysql"
	"icloudapp.cn/tools/service"
	"icloudapp.cn/tools/util"
	"time"
)

type User struct {
	ctx context.Context
}

func NewUser(ctx context.Context) *User {
	return &User{ctx}
}

// Login 用户名 密码登录
func (u *User) Login(username, password string) (entity.Login, error) {
	var login entity.Login
	sUser := service.NewUser(u.ctx)
	userInfo, err := sUser.UserInfoByUsername(username)
	if err != nil {
		return login, err
	}
	signedPassword := util.Sign(password, userInfo.Salt)
	//密码对不上就返回空login
	if userInfo.Password != signedPassword {
		return login, errors.New("密码不匹配")
	}

	/*encodeStr := url.HttpBuildQuery(map[string]string{
		"uid":      strconv.FormatInt(userInfo.Uid, 10),
		"username": userInfo.Username,
	})

	token, _ := util.EncryptWidthTime(encodeStr, setting.Conf.EncryptConfig.ExpireAt, setting.Conf.EncryptConfig.Key)
	*/
	token, _ := service.GenJWTToken(userInfo.Uid, userInfo.Username)
	login.Uid = userInfo.Uid
	login.Username = userInfo.Username
	login.Status = userInfo.Status
	login.Avatar = userInfo.Avatar
	login.Type = 1
	login.Token = token
	login.Expire = time.Now().Add(service.JWTExpireDuration()).Unix()
	login.ExpiresAt = time.Unix(login.Expire, 0)
	return login, nil
}

// Register 通过用户名、密码或邮箱注册
func (u *User) Register(username, password, email string) (entity.UserInfo, error) {
	var register entity.User
	register.Username = username
	register.Salt = util.RandomNumberStr(4)
	register.Password = util.Sign(password, register.Salt)
	if email == "" {
		email = fmt.Sprintf("%s@travelzs.com", username)
	}
	register.Email = email
	register.Status = 1
	register.CreateAt = time.Now()
	register.UpdateAt = time.Now()

	sUser := service.NewUser(u.ctx)
	return sUser.Register(register)
}

func (u *User) Info(uid int64) (entity.UserInfo, error) {
	sUser := service.NewUser(u.ctx)
	return sUser.UserInfoByID(uid)
}

// ChangePassword 通过uid修改密码
func (u *User) ChangePassword(uid int64, password string) (entity.UserInfo, error) {
	sUser := service.NewUser(u.ctx)
	salt := util.RandomNumberStr(4)
	password = util.Sign(password, salt)
	return sUser.ChangePassword(uid, password, salt)
}

// ChangeEmail 更新邮件地址
func (u *User) ChangeEmail(uid int64, email string) (entity.UserInfo, error) {
	sUser := service.NewUser(u.ctx)
	return sUser.ChangeEmail(uid, email)
}