package dao

import (
	"errors"
	"file-manger-server/db"
	"file-manger-server/domain"
)

type UserDao struct{}

func (dao UserDao) TableName() string {
	return "user"
}
func (dao UserDao) GetAll(user domain.User) ([]domain.User, int64, error) {
	var users []domain.User
	count, err := db.Engin.Table("user").FindAndCount(&users, &user)
	return users, count, err
}
func (dao UserDao) GetById(id int64) (domain.User, error) {
	var user domain.User
	res, err := db.Engin.Table("user").Where("id=?", id).Get(&user)
	if !res {
		return user, errors.New("用户不存在")
	}
	return user, err
}
func (dao UserDao) GetByUsername(username string) (domain.User, error) {
	var user domain.User
	res, err := db.Engin.Table("user").Where("username=?", username).Get(&user)
	if !res {
		return user, errors.New("用户不存在")
	}
	return user, err
}
func (dao UserDao) Login(username, password string) (domain.User, error) {
	var user domain.User
	pwd := PasswordHashCompute(password)
	_, err := db.Engin.Table("user").Where("username=? and password=?", username, pwd).Get(&user)
	if err != nil {
		return user, err
	}
	if user.Id != 0 {
		return user, nil
	} else {
		return user, errors.New("用户名或密码错误")
	}
}

// Register 简单注册功能
func (dao UserDao) Register(username, password string) error {
	count, err := db.Engin.Table("user").Where("username=?", username).Count()
	if err != nil {
		return err
	}
	if count > 0 {
		return errors.New("用户名已存在")
	}
	user := domain.User{
		Username: username,
		Password: PasswordHashCompute(password),
		Status:   1,
	}
	_, err = db.Engin.Table("user").Insert(&user)
	return err
}