package gate

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-device/errors"
	dbmodel "property-device/model"
	pb_v1 "property-device/pb/v1"
	"property-device/utils/gate_utils"
	"strings"
	"time"
)

func checkGateBatchInParam(req *pb_v1.GateBatchInRequest) error {
	for _, v := range req.List {
		switch {

		case v.Manufactor == "":
			return status.Error(10003, "厂商不能为空")
		case gate_utils.GateProtocolNameMap[v.Protocol] == "":
			return status.Error(10003, "协议不能为空")
		case v.Sn == "":
			return status.Error(10003, "设备序列号不能为空")
		}
	}

	return nil
}

func gateBatchInHandle(db *gorm.DB, datas []*pb_v1.GateBatchInItem, now time.Time) error {
	array := make([]dbmodel.TGate, len(datas))
	for i, req := range datas {
		array[i].DeviceName = req.DeviceName
		array[i].Sn = req.Sn
		array[i].Manufactor = req.Manufactor
		array[i].AuthKey = req.AuthKey
		array[i].GardenId = 0
		array[i].OutUser = ""
		array[i].OutTime = 0
		array[i].Status = 2
		array[i].Enable = 1
		array[i].Location = ""
		array[i].Protocol = req.Protocol
		array[i].Direction = 0
		array[i].CreatedAt = now
		array[i].UpdatedAt = now
		array[i].QcodeSupport = gate_utils.GateProtocolFuntionMap[req.Protocol][0]
		array[i].PicSupport = gate_utils.GateProtocolFuntionMap[req.Protocol][1]
		array[i].CardSupport = gate_utils.GateProtocolFuntionMap[req.Protocol][2]

	}
	p := &dbmodel.TGate{}
	err := p.InsertMulti(db, &array)
	if err != nil {
		if strings.Contains(strings.ToLower(err.Error()), "duplicate") {
			return status.Error(10003, "设备id或设备序列号重复")
		}
		return errors.DataBaseError
	}

	return nil
}

func GateBatchIn(ctx context.Context, req *pb_v1.GateBatchInRequest) (reply *pb_v1.GateBatchInReply, err error) {

	reply = &pb_v1.GateBatchInReply{}

	// 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 = checkGateBatchInParam(req)
	if err != nil {
		return nil, err
	}
	now := time.Now()
	length := len(req.List)
	gap := 50
	db := database.DB().Begin()
	// 分批入库
	for i := 0; i < length; i += gap {
		datas := req.List[i:length]
		if i+gap <= length {
			datas = req.List[i : i+gap]
		}
		if err = gateBatchInHandle(db, datas, now); err != nil {
			db.Rollback()
			return nil, err
		}
	}
	db.Commit()
	return reply, nil
}