package gate_unit

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"
	"property-device/errors"
	dbmodel "property-device/model"
	pb_v1 "property-device/pb/v1"
)

func checkGateUnitListParam(req *pb_v1.GateUnitListRequest) error {
	switch {
	case req.GardenId == 0:
		return status.Error(10003, "小区不能为空")
	case req.DeviceId == 0:
		return status.Error(10003, "设备不能为空")
	}
	return nil
}

func GateUnitList(ctx context.Context, req *pb_v1.GateUnitListRequest) (reply *pb_v1.GateUnitListReply, err error) {

	reply = &pb_v1.GateUnitListReply{}

	// 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 = checkGateUnitListParam(req)
	if err != nil {
		return nil, err
	}
	if err != nil {
		return nil, err
	}
	p := &dbmodel.TGateUnit{}
	where := [][2]interface{}{}
	where = dbmodel.WhereAdd(where, "garden_id", req.GardenId)
	where = dbmodel.WhereAdd(where, "device_id", req.DeviceId)
	list, err := p.List(database.DB(), where, nil, -1, -1)
	if err != nil {
		return nil, errors.DataBaseError
	}
	reply.UnitId = make([]int64, len(list))
	for i, v := range list {
		reply.UnitId[i] = v.UnitId
	}

	return reply, nil
}