// Package database define database operation functions
package database

import (
	"context"
	"fmt"
	"time"

	"modelRT/common/errcode"
	"modelRT/model"

	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, componentID int64, componentType int, modelParas string) error {
	cancelCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
	defer cancel()

	modelStruct := model.SelectModelByType(componentType)
	if modelStruct == nil {
		return fmt.Errorf("can not get component model by model type %d", componentType)
	}

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

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