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

package house

import (
	"context"
	"encoding/json"
	"fmt"
	"gorm.io/gorm"
	"property-garden/errors"
	dbmodel "property-garden/model"
	pb_v1 "property-garden/pb/v1"
	"property-garden/utils"
	"strings"
	"time"

	"git.getensh.com/common/gopkgs/database"
	"git.getensh.com/common/gopkgs/logger"
	"go.uber.org/zap"
	"google.golang.org/grpc/status"
)

func checkBuildingUpdateParam(req *pb_v1.BuildingUpdateRequest) error {
	switch {
	case req.BuildingNumber == "":
		return status.Error(10003, "楼栋编号不能为空")
	case req.BuildingName == "":
		return status.Error(10003, "楼栋名称不能为空")
	case req.Id < 1:
		return status.Error(10003, "id 不能为空")
	case req.GardenId < 1:
		return status.Error(10003, "小区id不能为空")
	case strings.Contains(req.BuildingNumber, "-"):
		return status.Error(10003, "楼栋号不能包含-")

	}
	return nil
}

//
func BuildingUpdate(ctx context.Context, req *pb_v1.BuildingUpdateRequest) (reply *pb_v1.BuildingUpdateReply, err error) {

	reply = &pb_v1.BuildingUpdateReply{}

	// 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"))
			}
		}
	}()

	err = checkBuildingUpdateParam(req)
	if err != nil {
		return nil, err
	}
	dbname := utils.GetGardenDbName(req.GardenId)
	old := dbmodel.NewBuilding(dbname)
	where := map[string]interface{}{
		"id": req.Id,
		//"garden_id":req.GardenId,

	}
	err = old.Find(database.DB(), where)
	if err != nil && err != gorm.ErrRecordNotFound {
		return nil, errors.DataBaseError
	}
	if old.ID == 0 {
		return nil, errors.ErrRecordNotFound
	}
	if req.BuildingNumber != old.BuildingNumber {
		house := dbmodel.NewHouse(dbname)
		where = map[string]interface{}{
			"building_id": req.Id,
			"status >":    HouseStatusWait,
		}
		count, err := house.Count(database.DB(), where, nil)
		if err != nil {
			return nil, errors.DataBaseError
		}
		if count > 0 {
			return nil, status.Error(10003, "已入住房屋, 不能修改房屋编号，单元号，楼栋号")
		}
	}
	reply.Origin = &pb_v1.BuildingUpdateRequest{
		Id:               req.Id,
		GardenId:         req.GardenId,
		BuildingName:     old.BuildingName,
		BuildingNumber:   old.BuildingNumber,
		BuildingArea:     old.BuildingArea,
		BuildingUsedArea: old.BuildingUsedArea,
	}

	now := time.Now()
	building := dbmodel.NewBuilding(dbname)
	values := map[string]interface{}{
		"building_name":      req.BuildingName,
		"building_number":    req.BuildingNumber,
		"building_area":      req.BuildingArea,
		"building_used_area": req.BuildingUsedArea,
		"comment":            req.Comment,
		"updated_at":         now,
	}
	db := database.DB().Begin()
	where = map[string]interface{}{
		"id": req.Id,
		//"garden_id":req.GardenId,

	}
	err = building.Update(db, where, values)
	if err != nil {
		if strings.Contains(strings.ToLower(err.Error()), "duplicate") {
			db.Rollback()
			return nil, errors.ErrRecordExist
		}
		db.Rollback()
		return nil, errors.DataBaseError
	}

	if req.BuildingNumber != old.BuildingNumber {
		// 删除未审核的房屋申请
		if err = RefuseHouseApply(req.GardenId, old.ID, 0, 0); err != nil {
			db.Rollback()
			return nil, err
		}
	}

	db.Commit()

	return reply, nil
}