package manage

import (
	model2 "ArmedPolice/app/common/model"
	"ArmedPolice/app/controller/basic"
	"ArmedPolice/app/model"
	"ArmedPolice/app/service"
	"ArmedPolice/serve/orm"
	"errors"
	"gorm.io/gorm"
)

type MaterialWarehouse struct{ *service.Session }

type MaterialWarehouseHandle func(session *service.Session) *MaterialWarehouse

func (c *MaterialWarehouse) List() (*basic.PageDataResponse, error) {
	return &basic.PageDataResponse{Data: nil, Count: 0}, nil
}

// Launch 入库发起
func (c *MaterialWarehouse) Launch(materialPurchaseID uint64, number int, remark string) error {
	mManageMaterialPurchase := model.NewManageMaterialPurchase()
	mManageMaterialPurchase.ID = materialPurchaseID

	isExist, err := model2.FirstWhere(mManageMaterialPurchase.ManageMaterialPurchase)

	if err != nil {
		return err
	} else if !isExist {
		return errors.New("操作错误，未找到相应的采购单")
	}
	mManageMaterialWarehouse := model.NewManageMaterialWarehouse()
	mManageMaterialWarehouse.UID = c.UID
	mManageMaterialWarehouse.MaterialPurchaseID = materialPurchaseID
	mManageMaterialWarehouse.Number = number
	mManageMaterialWarehouse.Remark = remark

	return orm.GetDB().Transaction(func(tx *gorm.DB) error {
		if err = model2.Create(mManageMaterialWarehouse.ManageMaterialWarehouse); err != nil {
			return err
		}
		// 同步库存
		mManageMaterial := model.NewManageMaterial()

		if err = model2.Updates(mManageMaterial.ManageMaterial, map[string]interface{}{
			"stock": gorm.Expr("stock + ?", number),
		}); err != nil {
			return err
		}
		return nil
	})
}

// Delete 删除操作
func (c *MaterialWarehouse) Delete(id uint64) error {
	mManageMaterialWarehouse := model.NewManageMaterialWarehouse()
	mManageMaterialWarehouse.ID = id
	return model2.Delete(mManageMaterialWarehouse.ManageMaterialWarehouse)
}

func NewMaterialWarehouse() MaterialWarehouseHandle {
	return func(session *service.Session) *MaterialWarehouse {
		return &MaterialWarehouse{session}
	}
}