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

package garden

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

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

func checkGardenKeyInfoApproveParam(req *pb_v1.GardenKeyInfoApproveRequest) error {
	switch {
	case req.Id < 1:
		return status.Error(10003, "id不能为空")
	}
	return nil
}

//
func GardenKeyInfoApprove(ctx context.Context, req *pb_v1.GardenKeyInfoApproveRequest) (reply *pb_v1.GardenKeyInfoApproveReply, err error) {

	reply = &pb_v1.GardenKeyInfoApproveReply{}

	// 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 = checkGardenKeyInfoApproveParam(req)
	if err != nil {
		return nil, err
	}

	// 获取修改信息
	p := &dbmodel.TGardenChange{}
	where := map[string]interface{}{
		"id": req.Id,
	}
	err = p.Find(database.DB(), where)
	if err != nil && err != gorm.ErrRecordNotFound {
		return nil, errors.DataBaseError
	}
	if p.ID == 0 {
		return nil, errors.GardenNotExist
	}
	if p.Status > 1 {
		return nil, status.Error(10003, "已审核，不能重复审批")
	}
	gardenId := p.GardenId

	// 拒绝申请
	if !req.Status {
		gChange := dbmodel.TGardenChange{}
		where = map[string]interface{}{
			"id":req.Id,
		}
		values := map[string]interface{}{
			"status":      3,
			"approved_at": time.Now(),
			"feedback":    req.Feedback,
		}
		err = gChange.Update(database.DB(), where, values)
		if err != nil {
			return nil, errors.DataBaseError
		}
		return reply, nil
	}

	// 组装申请信息
	addrChange := false
	nameChange := false
	gardenName := ""
	array := []KeyInfoChangeContent{}
	json.Unmarshal([]byte(p.Content), &array)
	values := map[string]interface{}{}
	for _, v := range array {
		values[v.Key] = v.NewValue
		if v.Key == "committee_code" {
			addrChange = true
		}
		if v.Key == "garden_name" {
			nameChange = true
			gardenName = v.NewValue
		}
	}

	// 检查 不能修改省市区街道社区是否可以修改
	if addrChange {
		mreq := pb_v1.GardenHouseIsInRequest{GardenId: req.Id}
		mreply, err := pb.Garden.GardenHouseIsIn(ctx, &mreq)
		if err != nil {
			return nil, err
		}
		if mreply.In {
			// 自动拒绝
			p := dbmodel.TGardenChange{}
			values := map[string]interface{}{
				"status":      3,
				"approved_at": time.Now(),
				"feedback":    "已入驻房屋 不能修改省市区街道社区",
			}
			err = p.Update(database.DB(), where, values)
			if err != nil {
				return nil, errors.DataBaseError
			}

		}
	}

	db := database.DB().Begin()
	defer func() {
		if err != nil {
			db.Rollback()
		}
	}()
	// 更新小区
	garden := dbmodel.TGardenApproved{}
	where = map[string]interface{}{
		"id":p.GardenId,
	}
	err = garden.Update(db, where, values)
	if err != nil {
		return nil, errors.DataBaseError
	}

	// 通过申请
	gChange := dbmodel.TGardenChange{}
	where = map[string]interface{}{
		"id":req.Id,
	}
	values = map[string]interface{}{
		"status":      2,
		"approved_at": time.Now(),
		"feedback":    req.Feedback,
	}
	err = gChange.Update(db, where, values)
	if err != nil {
		return nil, errors.DataBaseError
	}

	// 拒绝住户申请
	if addrChange {
		if err = RefuseHouseApply(req.Id, 0, 0, 0); err != nil {
			return nil, err
		}
	}

	// 同步小区名信息到租房信息表
	if nameChange {
		mreq := pb_v1.GardenHouseRentChangeFieldRequest{
			GardenId:   gardenId,
			GardenName: gardenName,
		}

		_, err = pb.Garden.GardenHouseRentChangeField(ctx, &mreq)
		if err != nil {
			return nil, err
		}
	}
	db.Commit()
	return reply, nil
}