// Copyright 2022 CloudWeGo Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

package db

import (
	"context"

	"github.com/cloudwego/biz-demo/book-shop/pkg/conf"
	"gorm.io/gorm"
)

type User struct {
	gorm.Model
	UserName string `json:"user_name"`
	Password string `json:"password"`
}

func (u *User) TableName() string {
	return conf.UserTableName
}

// MGetUsers multiple get list of user info
func MGetUsers(ctx context.Context, userIDs []int64) ([]*User, error) {
	res := make([]*User, 0)
	if len(userIDs) == 0 {
		return res, nil
	}

	if err := DB.WithContext(ctx).Where("id in ?", userIDs).Find(&res).Error; err != nil {
		return nil, err
	}
	return res, nil
}

// CreateUser create user info
func CreateUser(ctx context.Context, users []*User) error {
	return DB.WithContext(ctx).Create(users).Error
}

// QueryUser query list of user info
func QueryUser(ctx context.Context, userName string) ([]*User, error) {
	res := make([]*User, 0)
	err := DB.WithContext(ctx).Where("user_name = ?", userName).Find(&res).Error
	if err != nil && err != gorm.ErrRecordNotFound {
		return nil, err
	}
	return res, nil
}
