package service

import (
	"errors"
	"videoplayer/dao"
)

func CreateGeneralMessageService(from_id, to_id, msg_type int, content string) error {
	// 业务逻辑
	var err error
	switch msg_type {
	case 1:
		err = dao.CreateSimpleMessage(from_id, to_id, content)
	case 2, 3:
		err = dao.CreateGeneralMessage(from_id, to_id, msg_type, 0, content)
	case 4:
		err = dao.CreateGeneralMessage(from_id, to_id, msg_type, 0, content)
	default:
		// 未知消息类型
		err = errors.New("unknown message type")
	}
	return err
}

func GetMsgUserByIndexService(from_id, to_id, index, msq_type int) ([]dao.Message, error) {
	// 业务逻辑
	if index <= 0 || index > 100 {
		return nil, errors.New("index out of range")
	}
	msgs, err := dao.GetMsgUserByIndex(from_id, to_id, index, msq_type)
	return msgs, err
}

func GetFriendGroupReqService(user_id int) ([]dao.Message, error) {
	// 业务逻辑
	return nil, nil
}