package visitor

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"
	"property-device/pb"
	pb_v1 "property-device/pb/v1"

	"time"
)

func checkGateVisitorListParam(req *pb_v1.GateVisitorListRequest) error {
	if req.Id == 0 {
		if req.DeviceId == 0 && req.Uid == 0 {
			return status.Error(10003, "设备和用户不能同时为空")
		}
	}

	if req.Page == 0 {
		req.Page = 1
	}
	if req.PageSize == 0 {
		req.PageSize = 10
	}
	return nil
}

func getGateInfo(ids []int64) (map[int64]dbmodel.TGate, error) {
	ret := map[int64]dbmodel.TGate{}
	if len(ids) == 0 {
		return ret, nil
	}
	p := dbmodel.TGate{}
	where := [][2]interface{}{}
	where = dbmodel.WhereAdd(where, "id in", ids)

	list, err := p.List(database.DB(), where, nil, -1, -1)
	if err != nil {
		return nil, errors.DataBaseError
	}
	for _, v := range list {
		ret[v.ID] = v
	}
	return ret, nil
}

func getGardenName(gardenIds []int64) (map[int64]string, error) {
	gardenM := map[int64]string{}
	if len(gardenIds) > 0 {
		mreq := pb_v1.GardenInfosRequest{Ids: gardenIds}
		mreply, err := pb.System.GardenInfos(context.Background(), &mreq)
		if err != nil {
			return nil, err
		}
		for _, v := range mreply.List {
			gardenM[v.Id] = v.GardenName
		}
	}
	return gardenM, nil
}

func GateVisitorList(ctx context.Context, req *pb_v1.GateVisitorListRequest) (reply *pb_v1.GateVisitorListReply, err error) {

	reply = &pb_v1.GateVisitorListReply{}

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

	g := dbmodel.TGateVisitor{}
	where := [][2]interface{}{}
	if req.Id > 0 {
		where = dbmodel.WhereAdd(where, "id", req.Id)
	}
	if req.DeviceId > 0 {
		where = dbmodel.WhereAdd(where, "device_id", req.DeviceId)
	}
	if req.End > 0 {
		where = dbmodel.WhereAdd(where, "end <", req.End)
	}
	if req.Start > 0 {
		where = dbmodel.WhereAdd(where, "start >=", req.Start)
	}
	if req.Visitor != "" {
		where = dbmodel.WhereAdd(where, "visitor", req.Visitor)
	}
	if req.Name != "" {
		where = dbmodel.WhereAdd(where, "name", req.Name)
	}
	if req.Uid > 0 {
		where = dbmodel.WhereAdd(where, "uid", req.Uid)
	}
	reply.Total, err = g.Count(database.DB(), where, nil)
	if err != nil {
		return nil, errors.DataBaseError
	}
	reply.Page = req.Page
	if reply.Total == 0 {
		return reply, nil
	}

	list, err := g.List(database.DB(), where, nil, int(req.Page), int(req.PageSize))
	if err != nil {
		return nil, errors.DataBaseError
	}
	ids := []int64{}
	gardenIds := []int64{}
	if req.DeviceId != 0 {
		ids = []int64{req.DeviceId}
	} else {
		m := map[int64]bool{}
		for _, v := range list {
			if m[v.DeviceId] {
				continue
			}
			ids = append(ids, v.DeviceId)
			m[v.DeviceId] = true
		}
	}
	m := map[int64]bool{}
	for _, v := range list {
		if m[v.GardenId] {
			continue
		}
		gardenIds = append(gardenIds, v.GardenId)
		m[v.GardenId] = true
	}

	gateInfoM, err := getGateInfo(ids)
	if err != nil {
		return nil, err
	}

	gardenInfoM, err := getGardenName(gardenIds)
	if err != nil {
		return nil, err
	}
	reply.List = make([]*pb_v1.GateVisitorListItem, len(list))

	for i, v := range list {
		item := &pb_v1.GateVisitorListItem{
			Uid:          v.Uid,
			DeviceId:     v.DeviceId,
			GateName:     gateInfoM[v.DeviceId].DeviceName,
			Name:         v.Name,
			Visitor:      v.Visitor,
			VisitorPhone: v.VisitorPhone,
			Phone:        v.Phone,
			OpenTime:     v.OpenTime,
			Start:        v.Start,
			End:          v.End,
			Status:       1,
			Id:           v.ID,
			Comment:      v.Comment,
			Qcode:        v.Qcode,
			Location:     gateInfoM[v.DeviceId].Location,
			GardenName:   gardenInfoM[v.GardenId],
		}
		if v.OpenTime > 0 {
			item.Status = 2
		} else if v.End < time.Now().Unix() {
			item.Status = 3
		}
		reply.List[i] = item
	}

	return reply, nil

}