package ordersrv

import (
	"Cold_Logistic/internal/pkg/common/codex"
	"Cold_Logistic/internal/pkg/common/constant"
	"Cold_Logistic/internal/pkg/common/global"
	"Cold_Logistic/internal/server/domain/domainservice"
	"Cold_Logistic/internal/server/infra/dao"
	"Cold_Logistic/internal/server/infra/models"
	"context"
	"fmt"
	"gogs.baozhida.cn/Cold_Logistic_libs/pkg/contrib/errors"
)

type OrderService struct {
	store *dao.DataStore
}

func NewOrderService(store *dao.DataStore) *OrderService {
	return &OrderService{store: store}
}

// PlaceOrder 下单
func (srv *OrderService) PlaceOrder(ctx context.Context, req PlaceOrderReqVO) (res PlaceOrderRespVO, err error) {
	order := models.ExpressOrder{
		OrderStatus:         constant.OrderStatusPending,
		CargoType:           req.CargoType,
		TemperatureInterval: req.TemperatureInterval,
		CargoNumber:         req.CargoNumber,
		DeliveryCondition:   req.DeliveryCondition,
		DeliveryRemark:      req.DeliveryRemark,
		TimeLimit:           req.TimeLimit,
		PickupTime:          req.PickupTime,
		IsWeekendPickup:     req.IsWeekendPickup,
		IsInsuredValue:      req.IsInsuredValue,
	}
	err = srv.store.InTx(ctx, func(ctx context.Context) error {
		var logistic models.LogisticCompany
		// 物流
		if req.LogisticId == 0 {
			logistic, err = srv.processLogistic(ctx, req.LogisticId, req.LogisticPid, req.LogisticPidName)
			if err != nil {
				return errors.WithStackOnce(err)
			}
		}
		order.LogisticId = logistic.Id
		order.Pid = logistic.Pid
		// 寄/收件人地址
		order.SenderAddressId, err = srv.processAddress(ctx, constant.AddressTypeSender, req.Sender)
		if err != nil {
			return errors.WithStackOnce(err)
		}
		order.ConsigneeAddressId, err = srv.processAddress(ctx, constant.AddressTypeConsignee, req.Consignee)
		if err != nil {
			return errors.WithStackOnce(err)
		}

		// 获取订单号
		order.OrderNo, err = domainservice.GetOrderNo(ctx)
		if err != nil {
			return errors.WithStackOnce(err)
		}
		// 创建订单
		if err = srv.store.ExpressOrder().Create(ctx, &order); err != nil {
			return errors.WithStackOnce(err)
		}
		return nil
	})
	if err != nil {
		return res, errors.WithStackOnce(err)
	}

	res.OrderNo = order.OrderNo
	res.PlaceOrderTime = order.CreatedTime
	return res, nil
}

// AssignOrder 派单
func (srv *OrderService) AssignOrder(ctx context.Context, req AssignOrderReqVO) (res AssignOrderRespVO, err error) {
	tokenInfo := global.GetTokenInfoFromContext(ctx)

	order := models.ExpressOrder{}
	if err = srv.store.ExpressOrder().FirstById(ctx, &order, req.OrderId); err != nil {
		return res, errors.WithStackOnce(err)
	}
	if err = srv.checkCanAssign(ctx, order); err != nil {
		return res, errors.WithStackOnce(err)
	}

	_, err = domainservice.GetOrderSubNo(ctx, order.OrderNo)
	if err != nil {
		return res, errors.WithStackOnce(err)
	}

	log := models.OrderLogisticLog{
		LogType:           constant.LogisticLogTraffic,
		OrderId:           order.Id,
		OrderNo:           order.OrderNo,
		ContactPersonUuid: tokenInfo.AccountUuid,
		ContactPerson:     tokenInfo.Name,
		ContactPhone:      tokenInfo.Phone,
		Extend:            fmt.Sprintf(constant.TemplateAssignOrder, req.Driver.Name),
	}

	err = srv.store.InTx(ctx, func(ctx context.Context) error {
		task := models.OrderTransportTask{
			OrderId:     order.Id,
			Status:      constant.TaskStatusPending,
			Destination: req.Destination,
		}

		task.ExecutorAccountId, task.CarId, err = domainservice.ProcessDriver(ctx, 0, req.Driver)
		if err != nil {
			return errors.WithStackOnce(err)
		}

		if task.CarId == 0 {
			return errors.WithCode(codex.ErrParamValidate, "揽件司机未绑定车辆，请绑定后再派单")
		}

		if err = srv.store.OrderTransportTask().Create(ctx, &task); err != nil {
			return errors.WithStackOnce(err)
		}

		if err = srv.store.OrderLogisticLog().Create(ctx, &log); err != nil {
			return errors.WithStackOnce(err)
		}

		order.OrderStatus = constant.OrderStatusWaitCar
		order.LatestTaskId = task.Id
		if err = srv.store.ExpressOrder().UpdateById(ctx, &order); err != nil {
			return errors.WithStackOnce(err)
		}

		return nil
	})
	if err != nil {
		return res, errors.WithStackOnce(err)
	}
	res.OrderId = order.Id
	return res, nil
}

func (srv *OrderService) processAddress(ctx context.Context, addressType string, req AddressVO) (int, error) {
	if req.AddressId > 0 {
		return req.AddressId, nil
	}

	address := models.AddressBook{
		AddressType:  addressType,
		Name:         req.Name,
		Phone:        req.Phone,
		ProvinceId:   req.ProvinceId,
		ProvinceName: req.ProvinceName,
		CityId:       req.CityId,
		CityName:     req.CityName,
		RegionId:     req.RegionId,
		RegionName:   req.RegionName,
		Address:      req.Address,
		IsDefault:    req.IsDefault,
	}
	err := domainservice.AddMyselfAddressTx(ctx, &address)
	if err != nil {
		return 0, errors.WithStackOnce(err)
	}

	return address.Id, nil
}

func (srv *OrderService) processLogistic(ctx context.Context, logisticId, logisticPid int, logisticName string) (res models.LogisticCompany, err error) {
	if logisticId > 0 {
		if err = srv.store.LogisticCompany().FirstById(ctx, &res, logisticId); err != nil {
			return res, errors.WithStackOnce(err)
		}
	} else {
		res, err = srv.store.LogisticCompany().FindMyByPid(ctx, logisticPid)
		if err != nil {
			return res, errors.WithStackOnce(err)
		}

		if res.Id == 0 {
			res.Pid = logisticPid
			res.Name = logisticName
			if err = srv.store.LogisticCompany().Create(ctx, &res); err != nil {
				return res, errors.WithStackOnce(err)
			}
		}
	}

	return res, nil
}

func (srv *OrderService) checkCanAssign(ctx context.Context, order models.ExpressOrder) error {
	if order.OrderStatus == constant.OrderStatusReceived {
		return errors.New("订单已签收")
	}
	if order.LatestTaskId <= 0 {
		return nil
	}
	task := models.OrderTransportTask{}
	if err := srv.store.OrderTransportTask().FirstById(ctx, &task, order.LatestTaskId); err != nil {
		return errors.WithStackOnce(err)
	}

	if task.Status != constant.TaskStatusFinished {
		return errors.New("还有未处理步骤，无法再次派单")
	}
	return nil
}