package gate_pic

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"
	"time"
)

func checkGateUserPicDelParam(req *pb_v1.GateUserPicDelRequest) error {
	switch {

	case req.GardenId == 0:
		return status.Error(10003, "小区不能为空")
	case req.Id == 0:
		return status.Error(10003, "记录id不能为空")
	}
	return nil
}

func CheckUserPicDel(recordId int64, db *gorm.DB) error {
	gp := dbmodel.TGatePic{}
	up := dbmodel.TUserPic{}
	where := [][2]interface{}{}
	where = dbmodel.WhereAdd(where, "record_id", recordId)
	count, err := gp.Count(database.DB(), where, nil)
	if err != nil {
		return errors.DataBaseError
	}
	if count > 0 {
		return nil
	}

	where = [][2]interface{}{}
	where = dbmodel.WhereAdd(where, "id", recordId)
	err = up.Delete(database.DB(), where)
	if err != nil {
		return errors.DataBaseError
	}
	return nil
}

func WhitePicDelFromDb(up dbmodel.TUserPic, db *gorm.DB) ([]dbmodel.TGatePic, error) {
	gp := dbmodel.TGatePic{}
	where := [][2]interface{}{}
	where = dbmodel.WhereAdd(where, "record_id", up.ID)
	where = dbmodel.WhereAdd(where, "status >", gate_utils.WhiteAddStatusAllSuc)
	err := gp.Delete(db, where)
	if err != nil {
		return nil, errors.DataBaseError
	}

	t := time.Now().Add(-60 * time.Second)
	where = [][2]interface{}{}
	where = dbmodel.WhereAdd(where, "record_id", up.ID)
	where = dbmodel.WhereAdd(where, "status", gate_utils.WhiteAddStatusWait)
	where = dbmodel.WhereAdd(where, "created_at <", t.Format("2006-01-02 15:04:05"))
	err = gp.Delete(db, where)
	if err != nil {
		return nil, errors.DataBaseError
	}

	where = [][2]interface{}{}
	where = dbmodel.WhereAdd(where, "record_id", up.ID)

	glist, err := gp.List(db, where, nil, -1, -1)
	if err != nil {
		return nil, errors.DataBaseError
	}
	if len(glist) > 0 {
		return glist, nil
	}

	where = [][2]interface{}{}
	where = dbmodel.WhereAdd(where, "id", up.ID)
	err = up.Delete(db, where)
	if err != nil {
		return nil, errors.DataBaseError
	}
	return nil, nil
}

func WhitePicDelFromDevice(up dbmodel.TUserPic, devices []dbmodel.TGate) {
	// 白名单添加到设备
	for _, v := range devices {
		device := v
		whiter := NewPicWhiter(&up, &device, nil)
		if whiter == nil {
			continue
		}
		whiter.PersonDel()
		if whiter.Command() {
			gate_utils.CommandCacheIncrease(device.Sn, device.Protocol)
		}
	}
}

func WhitePicDel(up dbmodel.TUserPic, db *gorm.DB) error {

	gplist, err := WhitePicDelFromDb(up, db)
	if err != nil {
		return err
	}
	if len(gplist) == 0 {
		return nil
	}
	deviceIds := make([]int64, len(gplist))

	for i, v := range gplist {
		deviceIds[i] = v.DeviceId
	}
	devices, err := GetDevicesByIds(deviceIds)
	if err != nil {
		return err
	}

	WhitePicDelFromDevice(up, devices)
	return nil
}

func GateUserPicDel(ctx context.Context, req *pb_v1.GateUserPicDelRequest) (reply *pb_v1.GateUserPicDelReply, err error) {

	reply = &pb_v1.GateUserPicDelReply{}

	// 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 = checkGateUserPicDelParam(req)
	if err != nil {
		return nil, err
	}
	up := dbmodel.TUserPic{}
	where := [][2]interface{}{}
	where = dbmodel.WhereAdd(where, "id", req.Id)
	where = dbmodel.WhereAdd(where, "garden_id", req.GardenId)
	err = up.Find(database.DB(), where)
	if err != nil && err != gorm.ErrRecordNotFound {
		return nil, errors.DataBaseError
	}
	if up.ID == 0 {
		return nil, errors.ErrRecordNotFound
	}

	db := database.DB().Begin()

	err = WhitePicDel(up, db)
	if err != nil {
		db.Rollback()
		return nil, err
	}
	db.Commit()

	return reply, nil
}