package dao

import "gorm.io/gorm"

type Message struct {
	gorm.Model
	FromUserID int    `gorm:"column:from_user_id"`
	ToUserID   int    `gorm:"column:to_user_id"`
	GroupID    int    `gorm:"column:group_id"`
	Msg        string `gorm:"column:msg"`
	Status     int    `gorm:"column:status"` //单聊时才有0,已读，2未读
	Type       int    `gorm:"column:type"`   //1为单聊，2为群聊，3为系统消息
}

type Group struct {
	gorm.Model
	GroupName string `gorm:"column:group_name"`
}

type GroupUser struct {
	gorm.Model
	GroupID  int `gorm:"column:group_id"`
	UserID   int `gorm:"column:user_id"`
	IsMaster int `gorm:"column:is_master"`
}

type Friend struct {
	gorm.Model
	UserID   int `gorm:"column:user_id"`
	FriendID int `gorm:"column:friend_id"`
}

// 创建单聊消息
func CreateSimpleMessage(from_user_id, to_user_id int, message string) error {
	msg := Message{FromUserID: from_user_id, ToUserID: to_user_id, Msg: message, Type: 1, Status: 0}
	res := DB.Debug().Create(msg)
	return res.Error
}

// 每20个消息一组，请求index*20
func GetMsgUserByIndex(from_user_id, to_user_id, index int) ([]Message, error) {
	var msgs []Message
	res := DB.Debug().Where("from_user_id = ? and to_user_id = ?", from_user_id, to_user_id).Find(&msgs).Order("order by createAt DESC").Limit(20 * index)
	return msgs, res.Error
}

// 修改信息
func UpdateMessage() {

}

func FindMessageByID(id uint) []Message {
	var msgs []Message
	DB.Debug().Where("id = ?", id).Find(msgs)
	return msgs
}