// Package database define database operation functions
package database

import (
	"context"
	"fmt"
	"time"

	"modelRT/constant"
	"modelRT/model"
	"modelRT/network"

	"github.com/gofrs/uuid"
	jsoniter "github.com/json-iterator/go"
	"gorm.io/gorm"
)

// UpdateModelIntoDB define update component model params of the circuit diagram into DB
func UpdateModelIntoDB(ctx context.Context, tx *gorm.DB, componentInfos []network.ComponentUpdateInfo) error {
	cancelCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
	defer cancel()

	for _, componentInfo := range componentInfos {
		modelStruct := model.SelectModelByType(componentInfo.ComponentType)
		if modelStruct == nil {
			return fmt.Errorf("can not get component model by model type %d", componentInfo.ComponentType)
		}

		err := jsoniter.Unmarshal([]byte(componentInfo.Params), modelStruct)
		if err != nil {
			return fmt.Errorf("unmarshal component info by component struct %s,failed", model.SelectModelNameByType(componentInfo.ComponentType))
		}

		globalUUID, err := uuid.FromString(componentInfo.UUID)
		if err != nil {
			return fmt.Errorf("format uuid from string type failed:%w", err)
		}
		modelStruct.SetUUID(globalUUID)

		result := tx.Model(modelStruct).WithContext(cancelCtx).Where("uuid = ?", componentInfo.UUID).Updates(modelStruct)
		if result.Error != nil || result.RowsAffected == 0 {
			err := result.Error
			if result.RowsAffected == 0 {
				err = fmt.Errorf("%w:please check where conditions", constant.ErrUpdateRowZero)
			}
			return err
		}
	}
	return nil
}