package service

import (
	"regexp"
	"videoplayer/dao"
	"videoplayer/proto"
)

func CreateUser(name, password, email, gender string, age int) uint {
	return dao.CreateUser(name, password, email, gender, age)
}

func GetUser(name, email, password string) dao.User {
	emailRegex := `^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$`
	re := regexp.MustCompile(emailRegex)
	var user dao.User
	if re.MatchString(name) {
		user = dao.FindUserByEmail(name)
	} else {
		user = dao.FindUserByName(name)
	}
	if user.ID != 0 && user.Password == password {
		return user
	}
	return dao.User{}
}

func ContainsUser(name, email string) bool {
	user := dao.FindUserByName(name)
	user2 := dao.FindUserByEmail(email)
	if user.ID != 0 || user2.ID != 0 {
		return true
	}
	return false
}

func GetUserByID(id int) []proto.User {
	return dao.FindUserByID(id)
}

func GetUserByNameLike(name string) []proto.User {
	return dao.FindUserByNameLike(name)
}

func UpdateUser(user_id int, req proto.UpdateUserInfoReq) (int, error) {
	cur_user := dao.FindUserByID2(user_id)
	if user_id == req.ID {
		dao.UpdateUserByID3(user_id, req) //用户修改自己的信息，不能修改权限信息
		return user_id, nil
	} else if cur_user.Role == "admin" {
		dao.UpdateUserByID2(req.ID, req)
		return req.ID, nil
	} else {
		return 0, nil
	}
}