// Package database define database operation functions
package database

import (
	"context"
	"fmt"
	"time"

	"modelRT/constant"
	"modelRT/network"
	"modelRT/orm"

	"gorm.io/gorm"
)

// DeleteTopologicIntoDB define delete topologic info of the circuit diagram query by pageID and topologic info
func DeleteTopologicIntoDB(ctx context.Context, tx *gorm.DB, pageID int64, delInfo network.TopologicUUIDDelInfos) error {
	cancelCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
	defer cancel()

	result := tx.Model(&orm.Topologic{}).WithContext(cancelCtx).Where("page_id = ? and uuid_from = ? and uuid_to = ?", pageID, delInfo.UUIDFrom, delInfo.UUIDTo).Delete(&orm.Topologic{})

	if result.Error != nil || result.RowsAffected == 0 {
		err := result.Error
		if result.RowsAffected == 0 {
			err = fmt.Errorf("%w:please check delete topologic where conditions", constant.ErrDeleteRowZero)
		}
		return fmt.Errorf("delete topologic link failed:%w", err)
	}
	return nil
}