package domain_service

import (
	"fmt"
	"github.com/linmadan/egglib-go/core/application"
	coreDomain "github.com/linmadan/egglib-go/core/domain"
	pgTransaction "github.com/linmadan/egglib-go/transaction/pg"
	"gitlab.fjmaimaimai.com/allied-creation/allied-creation-cooperation/pkg/domain"
	"gitlab.fjmaimaimai.com/allied-creation/allied-creation-cooperation/pkg/domain/service"
	"gitlab.fjmaimaimai.com/allied-creation/allied-creation-cooperation/pkg/infrastructure/repository"
	"gitlab.fjmaimaimai.com/allied-creation/allied-creation-cooperation/pkg/infrastructure/utils"
)

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

func (domainService *CancelDividendsEstimateService) CancelEstimate(dividendsEstimateIds []int64, operatorId int64) ([]*domain.DividendsEstimate, error) {
	var dividendsEstimateRepository domain.DividendsEstimateRepository           // 分红预算单仓储
	var dividendsOrderRepository domain.DividendsOrderRepository                 // 分红订单仓储
	var dividendsReturnedOrderRepository domain.DividendsReturnedOrderRepository // 分红退货单仓储
	var userService service.UserService                                          // 用户服务

	// 分红预算单仓储初始化
	if repo, err := repository.NewDividendsEstimateRepository(domainService.transactionContext); err != nil {
		return nil, err
	} else {
		dividendsEstimateRepository = repo
	}
	// 分红订单仓储初始化
	if repo, err := repository.NewDividendsOrderRepository(domainService.transactionContext); err != nil {
		return nil, err
	} else {
		dividendsOrderRepository = repo
	}
	// 分红退后单仓储初始化
	if repo, err := repository.NewDividendsReturnedOrderRepository(domainService.transactionContext); err != nil {
		return nil, err
	} else {
		dividendsReturnedOrderRepository = repo
	}
	// 用户服务初始化
	if value, err := NewUserService(); err != nil {
		userService = value
	}

	// 获取操作人
	var operator *domain.User
	if data, err := userService.OperatorFrom(0, 0, operatorId); err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	} else {
		operator = data
	}

	// 获取分红预算单
	if count, dividendsEstimates, err := dividendsEstimateRepository.Find(map[string]interface{}{
		"dividendsEstimateIds": dividendsEstimateIds,
	}); err != nil {
		return nil, err
	} else {
		if count > 0 {
			var dividendsEstimatesCanceled []*domain.DividendsEstimate
			var orderOrReturnOrderNums []string
			for _, dividendsEstimate := range dividendsEstimates {
				// 根据当前分红预算单的分红订单号或退货单号获取分红预算单
				if countRelative, dividendsEstimatesRelative, err2 := dividendsEstimateRepository.Find(map[string]interface{}{
					"orderOrReturnedOrderNum": dividendsEstimate.OrderOrReturnedOrderNum,
				}); err2 != nil {
					return nil, err2
				} else {
					if countRelative > 0 {
						for i, _ := range dividendsEstimatesRelative {
							dividendsEstimatesRelative[i].IsCanceled = true
							dividendsEstimatesRelative[i].Operator = operator
							//	获取相关订单/退货单号
							orderOrReturnOrderNums = append(orderOrReturnOrderNums, dividendsEstimatesRelative[i].OrderOrReturnedOrderNum)
						}
						dividendsEstimatesRelativeCanceled, err3 := dividendsEstimateRepository.UpdateMany(dividendsEstimatesRelative)
						if err3 != nil {
							return nil, err3
						}
						dividendsEstimatesCanceled = append(dividendsEstimatesCanceled, dividendsEstimatesRelativeCanceled...)
					}
				}
			}

			// 分红订单或分红退货单状态变更
			var orderNums []string
			var returnedOrderNums []string

			// 订单/退货单号数组去重
			orderOrReturnOrderNumsWithoutDup := utils.RemoveDuplication(orderOrReturnOrderNums)
			for _, orderNullNum := range orderOrReturnOrderNumsWithoutDup {
				if orderNullNum[0:2] == "RE" { // 分红退后单
					returnedOrderNums = append(returnedOrderNums, orderNullNum)
				} else if orderNullNum[0:2] == "FH" { // 分红订单
					orderNums = append(orderNums, orderNullNum)
				}
			}

			// 获取分红订单
			if countDividendsOrder, orders, err4 := dividendsOrderRepository.Find(map[string]interface{}{
				"dividendsOrderNumbers": orderNums,
			}); err4 != nil {
				return nil, err4
			} else {
				if countDividendsOrder > 0 {
					for i, _ := range orders {
						orders[i].DividendStatus = 1
					}
					//	保存订单状态
					if _, err6 := dividendsOrderRepository.UpdateMany(orders); err6 != nil {
						return nil, err6
					}
				}
			}

			// 获取分红退货单
			if countDividendsReturnedOrder, returnedOrders, err5 := dividendsReturnedOrderRepository.Find(map[string]interface{}{
				"dividendsReturnedOrderNumbers": returnedOrderNums,
			}); err5 != nil {
				return nil, err5
			} else {
				if countDividendsReturnedOrder > 0 {
					for i, _ := range returnedOrders {
						returnedOrders[i].DividendStatus = 1
					}
					//	保存退货单状态
					if _, err7 := dividendsReturnedOrderRepository.UpdateMany(returnedOrders); err7 != nil {
						return nil, err7
					}
				}
			}

			return dividendsEstimatesCanceled, nil
		}
	}
	return nil, nil
}

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