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

package statistic

import (
	"context"
	"encoding/json"
	"fmt"
	"git.getensh.com/common/gopkgs/database"
	"gorm.io/gorm"
	"property-garden/errors"
	dbmodel "property-garden/model"
	pb_v1 "property-garden/pb/v1"
	"property-garden/utils"
	"time"

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


const (
	HandleTypeRepair = 1
	HandleTypeSuggestion = 2
	HandleTypeHousehold = 3
)

var StatisticDesc = map[int]string{
	HandleTypeRepair:"报事报修",
	HandleTypeSuggestion:"投诉建议",
	HandleTypeHousehold:"住户审核",
}

func checkRepairStatisticSetParam(req *pb_v1.RepairStatisticSetRequest) error {

	switch {
	case req.GardenId == 0:
		return status.Error(10003, "小区不能为空")
	case req.HandleType == 0:
		return status.Error(10003, "类型不能为空")
	}
	return nil
}


func RepairStatisticSetWithDb(req *pb_v1.RepairStatisticSetRequest, db *gorm.DB) error {
	now := time.Now()
	dbname := utils.GetGardenDbName(req.GardenId)

	where := map[string]interface{}{
		"handle_type":req.HandleType,
	}
	values := map[string]interface{}{}
	if req.TotalIncrease > 0 {
		values["total"]= gorm.Expr("total + ?", req.TotalIncrease)
	} else if req.TotalIncrease < 0{
		values["total"] = gorm.Expr("total - ?", 0-req.TotalIncrease)
	}

	if req.FinishIncrease > 0 {
		values["finish"]= gorm.Expr("finish + ?", req.FinishIncrease)
	} else if req.FinishIncrease < 0{
		values["finish"] = gorm.Expr("finish - ?", 0-req.FinishIncrease)
	}

	if len(values) == 0 {
		return nil
	}
	p := dbmodel.NewStatisticRepair(dbname)
	affected, err := p.UpdateAffected(db, where, values)
	if err != nil {
		return  errors.DataBaseError
	}
	if affected > 0 {
		return nil
	}
	p.HandleType = req.HandleType
	p.CreatedAt = now
	p.UpdatedAt = now

	p.Total = req.TotalIncrease
	p.Finish = req.FinishIncrease

	err = p.Insert(db)
	if err != nil {
		return  errors.DataBaseError
	}
	return nil

}

func RepairStatisticSet(ctx context.Context, req *pb_v1.RepairStatisticSetRequest) (reply *pb_v1.RepairStatisticSetReply, err error) {

	reply = &pb_v1.RepairStatisticSetReply{}

	// 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 = checkRepairStatisticSetParam(req)
	if err != nil {
		return nil, err
	}
	err = RepairStatisticSetWithDb(req, database.DB())
	return reply, err
}