package domainService

import (
	"fmt"
	"github.com/linmadan/egglib-go/core/application"
	coreDomain "github.com/linmadan/egglib-go/core/domain"
	"gitlab.fjmaimaimai.com/mmm-go-pp/partner01/pkg/domain"
	"gitlab.fjmaimaimai.com/mmm-go-pp/partner01/pkg/infrastructure/repository"

	pgTransaction "github.com/linmadan/egglib-go/transaction/pg"
)

type CancelOrderService struct {
	coreDomain.BaseEventPublisher
	transactionContext *pgTransaction.TransactionContext
}

func (service *CancelOrderService) Cancel(orderId int64) (*domain.Order, error) {
	var orderRepository domain.OrderRepository
	if value, err := repository.NewOrderRepository(service.transactionContext); err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	} else {
		orderRepository = value
	}
	order, err := orderRepository.FindOne(map[string]interface{}{"orderId": orderId})
	if err != nil {
		return nil, err
	}
	if err := order.Cancel(); err != nil {
		return nil, err
	}
	if order, err := orderRepository.Save(order); err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	} else {
		return order, nil
	}
	return nil, nil
}

func NewCancelOrderService(transactionContext *pgTransaction.TransactionContext) (*CancelOrderService, error) {
	if transactionContext == nil {
		return nil, fmt.Errorf("transactionContext参数不能为nil")
	} else {
		return &CancelOrderService{
			transactionContext: transactionContext,
		}, nil
	}
}