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

package cpackage

import (
	"context"
	"encoding/json"
	"fmt"
	dbmodel "property-common/model"
	pb_v1 "property-common/pb/v1"
	"time"

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

func checkPackageApplicationSetParam(req *pb_v1.PackageApplicationSetRequest) error {
	switch {
	case req.Id == 0:
		return status.Error(10003, "id不能为空")
	}
	return nil

}

//
func PackageApplicationSet(ctx context.Context, req *pb_v1.PackageApplicationSetRequest) (reply *pb_v1.PackageApplicationSetReply, err error) {

	reply = &pb_v1.PackageApplicationSetReply{}

	// 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 = checkPackageApplicationSetParam(req)
	if err != nil {
		return nil, err
	}
	now := time.Now()

	where := map[string]interface{}{
		"package_id": req.Id,
	}
	array := make([]dbmodel.TPackageApplication, len(req.ApplicationIds))
	for i, v := range req.ApplicationIds {
		array[i].PackageId = req.Id
		array[i].ApplicationId = v
		array[i].CreatedAt = now
		array[i].UpdatedAt = now
	}

	db := database.DB().Begin()
	p := dbmodel.TPackageApplication{}
	err = p.Delete(db, where)
	if err != nil {
		db.Rollback()
		return nil, errors.DataBaseError
	}
	if len(array) > 0 {
		err = p.InsertMulti(db, &array)
		if err != nil {
			db.Rollback()
			return nil, errors.DataBaseError
		}
	}

	db.Commit()

	return reply, nil
}