// Copyright 2019 getensh.com. All rights reserved.
// Use of this source code is governed by getensh.com.

package charge

import (
	"context"
	"encoding/json"
	"fmt"
	"git.getensh.com/common/gopkgs/database"
	"git.getensh.com/common/gopkgs/logger"
	"go.uber.org/zap"
	"google.golang.org/grpc/status"
	"gorm.io/gorm"
	"property-garden/errors"
	"property-garden/impl/v1/charge_utils"
	dbmodel "property-garden/model"
	pb_v1 "property-garden/pb/v1"
	"property-garden/utils"
	"time"
)

func checkChargeOrderTicketParam(req *pb_v1.ChargeOrderTicketRequest) error {
	switch {
	case req.GardenId == 0:
		return status.Error(10003, "小区不能为空")
	case req.OrderId == "":
		return status.Error(10003, "订单不能为空")
	}

	return nil

}

func ChargeOrderTicket(ctx context.Context, req *pb_v1.ChargeOrderTicketRequest) (reply *pb_v1.ChargeOrderTicketReply, err error) {

	reply = &pb_v1.ChargeOrderTicketReply{}

	// 捕获各个task中的异常并返回给调用者
	defer func() {
		if r := recover(); r != nil {
			err = fmt.Errorf("%+v", r)
			e := &status.Status{}
			if er := json.Unmarshal([]byte(err.Error()), e); er != nil {
				logger.Error("err",
					zap.String("system_err", err.Error()),
					zap.Stack("stacktrace"))
			}
		}
	}()
	// 参数检查
	err = checkChargeOrderTicketParam(req)
	if err != nil {
		return nil, err
	}
	dbname := utils.GetGardenDbName(req.GardenId)

	order := dbmodel.NewChargeOrder(dbname)
	where := map[string]interface{}{
		"order_id": req.OrderId,
	}
	err = order.Find(database.DB(), where)
	if err != nil && err != gorm.ErrRecordNotFound {
		return nil, errors.DataBaseError
	}

	if order.OrderId == "" {
		return nil, errors.ErrRecordNotFound
	}
	if order.Status != charge_utils.PayStatusPayed {
		return nil, status.Error(10003, "当前订单未支付")
	}
	reply.ShouldPayAmount = order.Amount
	reply.Comment = order.Comment

	bill := dbmodel.NewChargeBillPayed(dbname)
	where = map[string]interface{}{
		"order_id": req.OrderId,
	}

	// 账单列表
	list, err := bill.List(database.DB(), where, nil, -1, -1, "")
	if err != nil {
		return nil, errors.DataBaseError
	}
	reply.List = make([]*pb_v1.ChargeOrderTicketItem, len(list))
	for i, v := range list {
		chargeDesc := dbmodel.ChargeDesc{}
		json.Unmarshal([]byte(v.ChargeDesc), &chargeDesc)
		item := &pb_v1.ChargeOrderTicketItem{
			Start:      time.Unix(v.ChargeStart, 0).Format("2006-01-02"),
			End:        time.Unix(v.ChargeEnd, 0).Format("2006-01-02"),
			ChargeType: v.ChargeType,
			ChargeName: v.ChargeName,
			Amount:     v.Amount,
			ObjName:    v.ObjName,
			ObjType:    v.ObjType,
			LateFee:    v.LateFee,
			UnitPrice:  chargeDesc.UnitPrice,
			PayTime:    time.Unix(v.PayTime, 0).Format("2006-01-02 15:04:05"),
		}
		if v.ObjType == charge_utils.ObjTypeHouse {
			if charge_utils.IsPowerChargeType[v.ChargeType] {
				item.AreaUsed = chargeDesc.PowerCurrentUsed - chargeDesc.PowerLastUsed
			} else {
				item.AreaUsed = chargeDesc.ObjArea
			}
		}
		if v.ObjType == charge_utils.ObjTypeSpace {
			item.AreaUsed = chargeDesc.ObjArea
		}
		if v.ObjType == charge_utils.ObjTypeVehicle {
			if charge_utils.ChargeBasisSelf == chargeDesc.ChargeBasis {
				item.CustomFee = chargeDesc.CustomFee
			}
		}
		reply.List[i] = item
	}

	return reply, nil
}