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"
	"strconv"
	"time"
)

func checkGateUserPicApproveParam(req *pb_v1.GateUserPicApproveRequest) 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 WhitePicAddToDb(up dbmodel.TUserPic, devices []dbmodel.TGate, db *gorm.DB) error {
	now := time.Now()
	gps := []dbmodel.TGatePic{}
	for _, v := range devices {
		// 不支持人脸的跳过
		if gate_utils.GateProtocolFuntionMap[v.Protocol][1] != 1 {
			continue
		}
		item := dbmodel.TGatePic{}
		item.RecordId = up.ID
		item.Status = 1
		item.DeviceId = v.ID
		item.CreatedAt = now
		item.UpdatedAt = now
		item.Sn = v.Sn
		item.Protocol = v.Protocol
		gps = append(gps, item)
	}
	if len(gps) == 0 {
		return nil
	}
	gp := dbmodel.TGatePic{}
	err := gp.InsertMulti(db, &gps)
	if err != nil {
		return errors.DataBaseError
	}
	return nil
}

func WhitePicAddToDevice(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.PersonAdd()
		whiter.PicAdd()
		if whiter.Command() {
			gate_utils.CommandCacheIncrease(device.Sn, device.Protocol)
		}
	}
}

func WhitePicUpdate(up dbmodel.TUserPic, devices map[int64]dbmodel.TGate, gps []dbmodel.TGatePic) {
	// 白名单更新到设备
	for _, v := range gps {
		if _, ok := devices[v.DeviceId]; !ok {
			continue
		}
		gp := v
		device := devices[v.DeviceId]
		whiter := NewPicWhiter(&up, &device, &gp)
		whiter.PicUpdate()
		if whiter.Command() {
			gate_utils.CommandCacheIncrease(device.Sn, device.Protocol)
		}
	}
}

func GetGatePicsByRecordId(recordId int64, excluedSuc bool) ([]dbmodel.TGatePic, error) {
	g := dbmodel.TGatePic{}
	where := [][2]interface{}{}
	where = dbmodel.WhereAdd(where, "record_id", recordId)
	if excluedSuc {
		where = dbmodel.WhereAdd(where, "status !=", gate_utils.WhiteAddStatusAllSuc)
	}
	list, err := g.List(database.DB(), where, nil, -1, -1)
	if err != nil {
		return nil, errors.DataBaseError
	}
	return list, nil
}

func GetDevicesByIds(ids []int64) ([]dbmodel.TGate, error) {
	g := dbmodel.TGate{}
	where := [][2]interface{}{}
	where = dbmodel.WhereAdd(where, "id in", ids)
	list, err := g.List(database.DB(), where, nil, -1, -1)
	if err != nil {
		return nil, errors.DataBaseError
	}
	return list, nil
}

func getAllPicDevices(unitIds []int64, gardenId int64) ([]dbmodel.TGate, error) {
	up := dbmodel.TGateUnit{}
	where := [][2]interface{}{}
	where = dbmodel.WhereAdd(where, "garden_id", gardenId)
	where = dbmodel.WhereAdd(where, "unit_id in", unitIds)
	protocols := []int32{}
	for protocol, array := range gate_utils.GateProtocolFuntionMap {
		if array[1] == 1 {
			protocols = append(protocols, protocol)
		}
	}
	where = dbmodel.WhereAdd(where, "protocol in", protocols)
	ulist, err := up.List(database.DB(), where, nil, -1, -1)
	if err != nil {
		return nil, errors.DataBaseError
	}
	if len(ulist) == 0 {
		return nil, nil
	}
	devices := make([]int64, len(ulist))
	for i, v := range ulist {
		devices[i] = v.DeviceId
	}
	return GetDevicesByIds(devices)
}

func checkOnlineStatus(devices []dbmodel.TGate) bool {
	for _, v := range devices {
		if v.Status == 2 {
			return false
		}
	}
	return true
}

func whichDeviceNeedAdd(all []dbmodel.TGate, gps []dbmodel.TGatePic) (needAdds []dbmodel.TGate, needUpdates map[int64]dbmodel.TGate) {
	existM := map[int64]bool{}
	notSucM := map[int64]bool{}
	for _, v := range gps {
		existM[v.DeviceId] = true
		if v.Status != gate_utils.WhiteAddStatusAllSuc {
			notSucM[v.DeviceId] = true
		}
	}
	needUpdates = map[int64]dbmodel.TGate{}
	for _, v := range all {
		if notSucM[v.ID] {
			needUpdates[v.ID] = v
		}
		if !existM[v.ID] {
			needAdds = append(needAdds, v)
		}

	}
	return needAdds, needUpdates
}

func GateUserPicApprove(ctx context.Context, req *pb_v1.GateUserPicApproveRequest) (reply *pb_v1.GateUserPicApproveReply, err error) {

	reply = &pb_v1.GateUserPicApproveReply{}

	// 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 = checkGateUserPicApproveParam(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.ApproveStatus != 1 {
		return nil, status.Error(10003, "当前状态不能审核")
	}

	// 审核不通过
	if !req.Status {
		values := map[string]interface{}{
			"feedback":       req.Feedback,
			"approve_status": 3,
			"approved_at":    time.Now().Unix(),
		}
		err = up.Update(database.DB(), where, values)
		if err != nil {
			return nil, errors.DataBaseError
		}
		return reply, nil
	}
	uid, _ := strconv.ParseInt(up.Uid, 10, 64)

	unitInfo, _, _, err := gate_utils.GetUserUnitIds(req.GardenId, []int64{uid})
	if err != nil {
		return nil, err
	}
	if len(unitInfo[uid]) == 0 {
		return reply, nil
	}

	// 审核通过
	devices, err := getAllPicDevices(unitInfo[uid], up.GardenId)
	if err != nil {
		return nil, errors.DataBaseError
	}
	//if !checkOnlineStatus(devices) {
	//	return nil, status.Error(10003, "当前有设备未在线，无法完成下发，请检查设备后审批")
	//}
	gps, err := GetGatePicsByRecordId(up.ID, false)
	if err != nil {
		return nil, errors.DataBaseError
	}
	needAdds, needUpdates := whichDeviceNeedAdd(devices, gps)

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

	values := map[string]interface{}{
		"feedback":       req.Feedback,
		"approve_status": 2,
		"approved_at":    time.Now().Unix(),
	}
	err = up.Update(db, where, values)
	if err != nil {
		db.Rollback()
		return nil, errors.DataBaseError
	}

	if err := WhitePicAddToDb(up, needAdds, db); err != nil {
		db.Rollback()
		return nil, err
	}
	db.Commit()
	WhitePicAddToDevice(up, needAdds)
	WhitePicUpdate(up, needUpdates, gps)

	return reply, nil
}