package gate_match

import (
	"context"
	"encoding/json"
	"fmt"
	"git.getensh.com/common/gopkgs/cache"
	"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"
	"property-device/pb"
	pb_v1 "property-device/pb/v1"
	"property-device/utils/gate_utils"
	"strconv"
)

func checkGateWhiteMatchParam(req *pb_v1.GateWhiteMatchRequest) string {
	switch {
	case req.Sn == "" || req.Protocol == 0:
		return "设备序列号不能为空"
	case req.CodeVal == "":
		return "卡号或用户id不能为空"
	case req.CodeType == 0:
		return "认证类型不能为空"
	}
	return ""
}

func getWhiteMatchKey(gardenId int64, codeType int32, codeVal string) string {
	key := fmt.Sprintf("gate_white_%v_%v_%v", gardenId, codeType, codeVal)
	return key
}

func setWhiteMatchToRedis(gardenId int64, codeType int32, codeVal string, reply *pb_v1.GateWhiteMatchReply) {
	key := getWhiteMatchKey(gardenId, codeType, codeVal)
	bytes, _ := json.Marshal(reply)
	cache.Redis().SetEx(key, 300, string(bytes))

}

func getWhiteMatchFromRedis(gardenId int64, codeType int32, codeVal string) (info *pb_v1.GateWhiteMatchReply) {
	key := getWhiteMatchKey(gardenId, codeType, codeVal)
	str, _ := cache.Redis().Get(key)
	if str == "" {
		return nil
	}

	ret := pb_v1.GateWhiteMatchReply{}
	json.Unmarshal([]byte(str), &ret)
	return &ret
}

func getMatchInfoFromCardDb(gardenId int64, codeVal string, gateInfo *gate_utils.GateCommonInfo) (*pb_v1.GateWhiteMatchReply, error) {
	ucards := dbmodel.TUserCard{}
	where := [][2]interface{}{}
	where = dbmodel.WhereAdd(where, "garden_id", gardenId)
	where = dbmodel.WhereAdd(where, "card_number", codeVal)
	err := ucards.Find(database.DB(), where)
	if err != nil && err != gorm.ErrRecordNotFound {
		return nil, errors.DataBaseError
	}
	if ucards.ID == 0 {
		return &pb_v1.GateWhiteMatchReply{}, nil
	}
	gcards := dbmodel.TGateCard{}
	where = [][2]interface{}{}
	where = dbmodel.WhereAdd(where, "device_id", gateInfo.DeviceId)
	where = dbmodel.WhereAdd(where, "record_id", ucards.ID)
	err = gcards.Find(database.DB(), where)
	if err != nil && err != gorm.ErrRecordNotFound {
		return nil, errors.DataBaseError
	}
	if gcards.ID == 0 {
		return &pb_v1.GateWhiteMatchReply{}, nil
	}

	ret := pb_v1.GateWhiteMatchReply{
		Status:     1,
		Name:       ucards.Name,
		HouseName:  "",
		Phone:      "",
		IdNumber:   "",
		Uid:        ucards.Uid,
		CardNumber: "",
		DeviceName: gateInfo.DeviceName,
		DeviceId:   gateInfo.DeviceId,
		GardenId:   gardenId,
	}

	return &ret, nil

}

func GetMatchInfoFromUserDb(gardenId int64, codeVal string, gateInfo *gate_utils.GateCommonInfo) (*pb_v1.GateWhiteMatchReply, error) {
	uid, _ := strconv.Atoi(codeVal)
	if uid == 0 {
		return nil, status.Error(10003, "uid错误")
	}
	mreq := pb_v1.GardenHouseholdListRequest{GardenId: gardenId, Uid: int64(uid), PageSize: -1, Page: -1}
	mreply, err := pb.Garden.GardenHouseholdList(context.Background(), &mreq)
	if err != nil {
		return nil, err
	}
	if len(mreply.List) == 0 {
		return nil, status.Error(10003, "用户不存在")
	}
	unitIds := []int64{}
	m := map[int64]pb_v1.GardenHouseholdItem{}
	for _, v := range mreply.List {
		if _, ok := m[v.UnitId]; ok {
			continue
		}
		unitIds = append(unitIds, v.UnitId)
		m[v.UnitId] = *v
	}
	p := dbmodel.TGateUnit{}
	where := [][2]interface{}{}
	where = dbmodel.WhereAdd(where, "garden_id", gardenId)
	where = dbmodel.WhereAdd(where, "device_id", gateInfo.DeviceId)
	where = dbmodel.WhereAdd(where, "unit_id in", unitIds)
	err = p.Find(database.DB(), where)
	if err != nil && err != gorm.ErrRecordNotFound {
		return nil, errors.DataBaseError
	}
	if p.ID == 0 {
		return &pb_v1.GateWhiteMatchReply{}, nil
	}
	ret := pb_v1.GateWhiteMatchReply{
		Status:     1,
		Name:       m[p.UnitId].Name,
		HouseName:  m[p.UnitId].HouseName,
		Phone:      m[p.UnitId].Phone,
		IdNumber:   m[p.UnitId].IdNumber,
		Uid:        codeVal,
		CardNumber: "",
		DeviceName: gateInfo.DeviceName,
		DeviceId:   gateInfo.DeviceId,
		GardenId:   gardenId,
	}
	return &ret, nil
}

func getMatchInfoFromDb(gardenId int64, codeType int32, codeVal string, gateInfo *gate_utils.GateCommonInfo) (*pb_v1.GateWhiteMatchReply, error) {
	if codeType == 1 {
		return GetMatchInfoFromUserDb(gardenId, codeVal, gateInfo)
	}

	return getMatchInfoFromCardDb(gardenId, codeVal, gateInfo)

}

func GateWhiteMatch(ctx context.Context, req *pb_v1.GateWhiteMatchRequest) (reply *pb_v1.GateWhiteMatchReply, err error) {

	reply = &pb_v1.GateWhiteMatchReply{}

	// 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"))
			}
		}
	}()
	desc := checkGateWhiteMatchParam(req)
	if desc != "" {
		reply.Status = 0
		return reply, nil
	}

	gateInfo, err := gate_utils.GetGateGarden(req.Sn, req.Protocol)
	if err != nil {
		return nil, err
	}

	matchInfo := getWhiteMatchFromRedis(gateInfo.GardenId, req.CodeType, req.CodeVal)
	if matchInfo != nil {
		return matchInfo, nil
	}

	matchInfo, err = getMatchInfoFromDb(gateInfo.GardenId, req.CodeType, req.CodeVal, &gateInfo)
	if err != nil {
		return nil, err
	}
	if matchInfo.DeviceId == 0 {
		matchInfo.Status = 0
		return matchInfo, nil
	}
	matchInfo.Status = 1
	setWhiteMatchToRedis(gateInfo.GardenId, req.CodeType, req.CodeVal, matchInfo)
	return matchInfo, nil

}