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

package event

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/oss_utils"
	dbmodel "property-garden/model"
	pb_v1 "property-garden/pb/v1"
	"property-garden/utils"
	"strings"
	"time"
)

func checkEventUpdateParam(req *pb_v1.EventUpdateRequest) error {
	switch {
	case req.GardenId < 1:
		return status.Error(10003, "小区不能为空")
	case req.Title == "":
		return status.Error(10003, "标题不能为空")
	case req.Content == "":
		return status.Error(10003, "内容不能为空")
	case req.Start < 1:
		return status.Error(10003, "活动开始时间不能为空")
	case req.End < 1:
		return status.Error(10003, "活动结束时间不能为空")
	case req.End < req.Start:
		return status.Error(10003, "结束时间不能晚于开始时间")
	case req.SignUpEnd < 1:
		return status.Error(10003, "报名截止时间不能为空")
	case req.SignUpEnd > req.End:
		return status.Error(10003, "报名截止时间不能晚于活动结束时间")
	case req.PeopleLimit < 1:
		return status.Error(10003, "人数限制不能为空")
	case req.Addr == "":
		return status.Error(10003, "活动地址不能为空")
	case req.Id < 1:
		return status.Error(10003, "id不能为空")

	}
	pic := []string{}
	for _, v := range req.Pic {
		if oss_utils.IsFix(v) {
			continue
		}
		pic = append(pic, v)
	}
	req.Pic = pic
	return nil

}

//
func EventUpdate(ctx context.Context, req *pb_v1.EventUpdateRequest) (reply *pb_v1.EventUpdateReply, err error) {

	reply = &pb_v1.EventUpdateReply{}

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

	dbname := utils.GetGardenDbName(req.GardenId)
	now := time.Now()
	p := dbmodel.NewEvent(dbname)
	where := map[string]interface{}{
		"id": req.Id,
		//"garden_id":req.GardenId,
	}

	old := dbmodel.NewEvent(dbname)
	err = old.Find(database.DB(), where)
	if err != nil {
		if err != gorm.ErrRecordNotFound {
			return nil, errors.DataBaseError
		}
	}

	values := map[string]interface{}{
		"title":        req.Title,
		"content":      req.Content,
		"start":        req.Start,
		"end":          req.End,
		"sign_up_end":  req.SignUpEnd,
		"people_limit": req.PeopleLimit,
		"addr":         req.Addr,
		"fee":          req.Fee,
		"updated_at":   now,
	}
	values["pic"] = ""
	if len(req.Pic) > 0 {
		values["pic"] = utils.StringJoin(req.Pic, ";")
	}

	db := database.DB().Begin()
	err = p.Update(db, where, values)
	if err != nil {
		db.Rollback()
		return nil, errors.DataBaseError
	}
	inList := oss_utils.GetObjFromText(req.Content)
	outList := oss_utils.GetObjFromText(old.Content)
	pics := strings.Split(old.Pic, ";")
	if len(pics) > 0 {
		outList = append(outList, pics...)
	}
	if len(req.Pic) > 0 {
		inList = append(inList, req.Pic...)
	}
	if len(outList) > 0 || len(outList) > 0 {
		if err := oss_utils.OssObjAdd(inList, outList); err != nil {
			db.Rollback()
			return nil, err
		}
	}

	db.Commit()

	return reply, nil
}