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

package park_space

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"
	"property-garden/impl/v1/statistic"
	dbmodel "property-garden/model"
	pb_v1 "property-garden/pb/v1"
	"property-garden/utils"
)

func getVehicleInfo(vehicleId int64, dbname string) (dbmodel.TVehicle, error) {
	p := dbmodel.NewVehicle(dbname)
	where := map[string]interface{}{
		"id":vehicleId,
		//"garden_id":req.GardenId,
	}

	err := p.Find(database.DB(), where)
	if err != nil && err != gorm.ErrRecordNotFound{
		return *p, errors.DataBaseError
	}
	return *p, nil
}
/*
func isSpaceBindCharge(id int64, dbname string) (bool, error) {
	p := dbmodel.NewChargeSpace(dbname)
	where := map[string]interface{}{
		"space_id":id,
	}
	count, err := p.Count(database.DB(), where, nil)
	if err != nil {
		return false, errors.DataBaseError
	}
	if count > 0 {
		return true, nil
	}
	return false, nil
}
*/

//
func ParkSpaceDel(ctx context.Context, req *pb_v1.ParkSpaceDelRequest) (reply *pb_v1.ParkSpaceDelReply, err error) {

	reply = &pb_v1.ParkSpaceDelReply{}

	// 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
	if req.Id < 1 || req.GardenId < 1 {
		return nil, errors.ParamsError
	}
	dbname := utils.GetGardenDbName(req.GardenId)
	p := dbmodel.NewParkSpace(dbname)
	where := map[string]interface{}{
		"id":req.Id,
		//"garden_id":req.GardenId,
	}

	// 原数据
	old := dbmodel.NewParkSpace(dbname)
	err = old.Find(database.DB(), where)
	if err != nil && err != gorm.ErrRecordNotFound{
		return nil, errors.DataBaseError
	}
	if old.ID == 0 {
		return nil, errors.ErrRecordNotFound
	}
	isBind, err := charge_utils.IsObjBindCharge(req.Id, charge_utils.ObjTypeSpace, dbname)
	if err != nil {
		return nil, err
	}
	if isBind {
		return nil, status.Error(10003, "该车位已绑定费用，请先解除绑定")
	}

	if old.VehicleId > 0 {
		vinfo, err := getVehicleInfo(old.VehicleId, dbname)
		if err != nil {
			return nil, err
		}
		if vinfo.ID > 0 {
			return nil, status.Error(10003, fmt.Sprintf("请先在车辆%s中解除对该车位的绑定", vinfo.PlateNo))
		}
	}



	reply.Origin = &pb_v1.ParkSpaceUpdateRequest{
		Id:req.Id,
		ParkId:old.ParkId,
		Comment:old.Comment,
		GardenId:req.GardenId,
		SpaceArea:old.SpaceArea,
		SpaceType:old.SpaceType,
		SpaceNumber:old.SpaceNumber,
	}

	// 删除车位
	db := database.DB().Begin()
	err = p.Delete(db, where)
	if err != nil {
		db.Rollback()
		return nil, errors.DataBaseError
	}

	// 更新停车场车位数
	park := dbmodel.NewPark(dbname)
	where = map[string]interface{}{
		"id":old.ParkId,
	}

	values := map[string]interface{}{
		"space_count":gorm.Expr("space_count - ?", 1),
	}
	err = park.Update(db, where, values)
	if err != nil {
		db.Rollback()
		return nil, errors.DataBaseError
	}

	mreq := pb_v1.ObjStatisticSetRequest{
		ObjType:statistic.ObjTypeSpace,
		TotalIncrease:int64(-1),
		GardenId:req.GardenId,
	}
	err = statistic.ObjStatisticSetWithDb(&mreq, db)

	if err != nil {
		db.Rollback()
		return nil, err
	}
	db.Commit()
	return reply, nil
}