// Copyright (C) 2020-2021 Intel Corporation
//
// SPDX-License-Identifier: MIT

import React, { ReactPortal } from 'react';
import ReactDOM from 'react-dom';
import { connect } from 'react-redux';
import Icon, {
    EnvironmentFilled,
    EnvironmentOutlined,
    LoadingOutlined,
    QuestionCircleOutlined,
} from '@ant-design/icons';
import Popover from 'antd/lib/popover';
import Select from 'antd/lib/select';
import Button from 'antd/lib/button';
import Modal from 'antd/lib/modal';
import Text from 'antd/lib/typography/Text';
import Tabs from 'antd/lib/tabs';
import { Row, Col } from 'antd/lib/grid';
import notification from 'antd/lib/notification';
import message from 'antd/lib/message';
import Dropdown from 'antd/lib/dropdown';
import lodash from 'lodash';

import { AIToolsIcon } from 'icons';
import { Canvas, convertShapesForInteractor } from 'cvat-canvas-wrapper';
import getCore from 'cvat-core-wrapper';
import openCVWrapper from 'utils/opencv-wrapper/opencv-wrapper';
import {
    CombinedState, ActiveControl, Model, ObjectType, ShapeType, ToolsBlockerState,
} from 'reducers/interfaces';
import {
    interactWithCanvas,
    switchNavigationBlocked as switchNavigationBlockedAction,
    fetchAnnotationsAsync,
    updateAnnotationsAsync,
    createAnnotationsAsync,
} from 'actions/annotation-actions';
import DetectorRunner from 'components/model-runner-modal/detector-runner';
import LabelSelector from 'components/label-selector/label-selector';
import CVATTooltip from 'components/common/cvat-tooltip';

import ApproximationAccuracy, {
    thresholdFromAccuracy,
} from 'components/annotation-page/standard-workspace/controls-side-bar/approximation-accuracy';
import { switchToolsBlockerState } from 'actions/settings-actions';
import withVisibilityHandling from './handle-popover-visibility';
import ToolsTooltips from './interactor-tooltips';

interface StateToProps {
    canvasInstance: Canvas;
    labels: any[];
    states: any[];
    activeLabelID: number;
    jobInstance: any;
    isActivated: boolean;
    frame: number;
    interactors: Model[];
    detectors: Model[];
    trackers: Model[];
    curZOrder: number;
    defaultApproxPolyAccuracy: number;
    toolsBlockerState: ToolsBlockerState;
}

interface DispatchToProps {
    onInteractionStart(activeInteractor: Model, activeLabelID: number): void;
    updateAnnotations(statesToUpdate: any[]): void;
    createAnnotations(sessionInstance: any, frame: number, statesToCreate: any[]): void;
    fetchAnnotations(): void;
    onSwitchToolsBlockerState(toolsBlockerState: ToolsBlockerState): void;
    switchNavigationBlocked(navigationBlocked: boolean): void;
}

const core = getCore();
const CustomPopover = withVisibilityHandling(Popover, 'tools-control');

function mapStateToProps(state: CombinedState): StateToProps {
    const { annotation } = state;
    const { settings } = state;
    const { number: frame } = annotation.player.frame;
    const { instance: jobInstance } = annotation.job;
    const { instance: canvasInstance, activeControl } = annotation.canvas;
    const { models } = state;
    const { interactors, detectors, trackers } = models;
    const { toolsBlockerState } = state.settings.workspace;

    return {
        interactors,
        detectors,
        trackers,
        isActivated: activeControl === ActiveControl.AI_TOOLS,
        activeLabelID: annotation.drawing.activeLabelID,
        labels: annotation.job.labels,
        states: annotation.annotations.states,
        canvasInstance: canvasInstance as Canvas,
        jobInstance,
        frame,
        curZOrder: annotation.annotations.zLayer.cur,
        defaultApproxPolyAccuracy: settings.workspace.defaultApproxPolyAccuracy,
        toolsBlockerState,
    };
}

const mapDispatchToProps = {
    onInteractionStart: interactWithCanvas,
    updateAnnotations: updateAnnotationsAsync,
    createAnnotations: createAnnotationsAsync,
    fetchAnnotations: fetchAnnotationsAsync,
    onSwitchToolsBlockerState: switchToolsBlockerState,
    switchNavigationBlocked: switchNavigationBlockedAction,
};

type Props = StateToProps & DispatchToProps;
interface TrackedShape {
    clientID: number;
    serverlessState: any;
    shapePoints: number[];
    trackerModel: Model;
}

interface State {
    activeInteractor: Model | null;
    activeLabelID: number;
    activeTracker: Model | null;
    trackedShapes: TrackedShape[];
    fetching: boolean;
    pointsRecieved: boolean;
    approxPolyAccuracy: number;
    mode: 'detection' | 'interaction' | 'tracking';
    portals: React.ReactPortal[];
}

function trackedRectangleMapper(shape: number[]): number[] {
    return shape.reduce(
        (acc: number[], value: number, index: number): number[] => {
            if (index % 2) {
                // y
                acc[1] = Math.min(acc[1], value);
                acc[3] = Math.max(acc[3], value);
            } else {
                // x
                acc[0] = Math.min(acc[0], value);
                acc[2] = Math.max(acc[2], value);
            }
            return acc;
        },
        [Number.MAX_SAFE_INTEGER, Number.MAX_SAFE_INTEGER, Number.MIN_SAFE_INTEGER, Number.MIN_SAFE_INTEGER],
    );
}

function registerPlugin(): (callback: null | (() => void)) => void {
    let onTrigger: null | (() => void) = null;
    const listener = {
        name: 'Remove annotations listener',
        description: 'Tracker needs to know when annotations is reset in the job',
        cvat: {
            classes: {
                Job: {
                    prototype: {
                        annotations: {
                            clear: {
                                leave(self: any, result: any) {
                                    if (typeof onTrigger === 'function') {
                                        onTrigger();
                                    }
                                    return result;
                                },
                            },
                        },
                    },
                },
            },
        },
    };

    core.plugins.register(listener);

    return (callback: null | (() => void)) => {
        onTrigger = callback;
    };
}

const onRemoveAnnotations = registerPlugin();

export class ToolsControlComponent extends React.PureComponent<Props, State> {
    private interaction: {
        id: string | null;
        isAborted: boolean;
        latestResponse: number[][];
        latestResult: number[][];
        latestRequest: null | {
            interactor: Model;
            data: {
                frame: number;
                neg_points: number[][];
                pos_points: number[][];
            };
        } | null;
        hideMessage: (() => void) | null;
    };

    public constructor(props: Props) {
        super(props);
        this.state = {
            activeInteractor: props.interactors.length ? props.interactors[0] : null,
            activeTracker: props.trackers.length ? props.trackers[0] : null,
            activeLabelID: props.labels.length ? props.labels[0].id : null,
            approxPolyAccuracy: props.defaultApproxPolyAccuracy,
            trackedShapes: [],
            fetching: false,
            pointsRecieved: false,
            mode: 'interaction',
            portals: [],
        };

        this.interaction = {
            id: null,
            isAborted: false,
            latestResponse: [],
            latestResult: [],
            latestRequest: null,
            hideMessage: null,
        };
    }

    public componentDidMount(): void {
        const { canvasInstance } = this.props;
        onRemoveAnnotations(() => {
            this.setState({ trackedShapes: [] });
        });

        this.setState({
            portals: this.collectTrackerPortals(),
        });
        canvasInstance.html().addEventListener('canvas.interacted', this.interactionListener);
        canvasInstance.html().addEventListener('canvas.canceled', this.cancelListener);
    }

    public componentDidUpdate(prevProps: Props, prevState: State): void {
        const {
            isActivated, defaultApproxPolyAccuracy, canvasInstance, states,
        } = this.props;
        const { approxPolyAccuracy, mode, activeTracker } = this.state;

        if (prevProps.states !== states || prevState.activeTracker !== activeTracker) {
            this.setState({
                portals: this.collectTrackerPortals(),
            });
        }

        if (prevProps.isActivated && !isActivated) {
            window.removeEventListener('contextmenu', this.contextmenuDisabler);
            // hide interaction message if exists
            if (this.interaction.hideMessage) {
                this.interaction.hideMessage();
                this.interaction.hideMessage = null;
            }
        } else if (!prevProps.isActivated && isActivated) {
            // reset flags when start interaction/tracking
            this.interaction = {
                id: null,
                isAborted: false,
                latestResponse: [],
                latestResult: [],
                latestRequest: null,
                hideMessage: null,
            };

            this.setState({
                approxPolyAccuracy: defaultApproxPolyAccuracy,
                pointsRecieved: false,
            });
            window.addEventListener('contextmenu', this.contextmenuDisabler);
        }

        if (prevState.approxPolyAccuracy !== approxPolyAccuracy) {
            if (isActivated && mode === 'interaction' && this.interaction.latestResponse.length) {
                this.approximateResponsePoints(this.interaction.latestResponse).then((points: number[][]) => {
                    this.interaction.latestResult = points;
                    canvasInstance.interact({
                        enabled: true,
                        intermediateShape: {
                            shapeType: ShapeType.POLYGON,
                            points: this.interaction.latestResult.flat(),
                        },
                        onChangeToolsBlockerState: this.onChangeToolsBlockerState,
                    });
                });
            }
        }

        this.checkTrackedStates(prevProps);
    }

    public componentWillUnmount(): void {
        const { canvasInstance } = this.props;
        onRemoveAnnotations(null);
        canvasInstance.html().removeEventListener('canvas.interacted', this.interactionListener);
        canvasInstance.html().removeEventListener('canvas.canceled', this.cancelListener);
    }

    private contextmenuDisabler = (e: MouseEvent): void => {
        if (
            e.target &&
            (e.target as Element).classList &&
            (e.target as Element).classList.toString().includes('ant-modal')
        ) {
            e.preventDefault();
        }
    };

    private cancelListener = async (): Promise<void> => {
        const { fetching } = this.state;
        if (fetching) {
            // user pressed ESC
            this.setState({ fetching: false });
            this.interaction.isAborted = true;
        }
    };

    private runInteractionRequest = async (interactionId: string): Promise<void> => {
        const { jobInstance, canvasInstance } = this.props;
        const { activeInteractor, fetching } = this.state;

        const { id, latestRequest } = this.interaction;
        if (id !== interactionId || !latestRequest || fetching) {
            // current interaction request is not relevant (new interaction session has started)
            // or a user didn't add more points
            // or one server request is on processing
            return;
        }

        const { interactor, data } = latestRequest;
        this.interaction.latestRequest = null;

        try {
            this.interaction.hideMessage = message.loading(`Waiting a response from ${activeInteractor?.name}..`, 0);
            try {
                // run server request
                this.setState({ fetching: true });
                const response = await core.lambda.call(jobInstance.taskId, interactor, data);
                // approximation with cv.approxPolyDP
                const approximated = await this.approximateResponsePoints(response);

                if (this.interaction.id !== interactionId || this.interaction.isAborted) {
                    // new interaction session or the session is aborted
                    return;
                }

                this.interaction.latestResponse = response;
                this.interaction.latestResult = approximated;

                this.setState({ pointsRecieved: !!response.length });
            } finally {
                if (this.interaction.id === interactionId && this.interaction.hideMessage) {
                    this.interaction.hideMessage();
                    this.interaction.hideMessage = null;
                }

                this.setState({ fetching: false });
            }

            if (this.interaction.latestResult.length) {
                canvasInstance.interact({
                    enabled: true,
                    intermediateShape: {
                        shapeType: ShapeType.POLYGON,
                        points: this.interaction.latestResult.flat(),
                    },
                    onChangeToolsBlockerState: this.onChangeToolsBlockerState,
                });
            }

            setTimeout(() => this.runInteractionRequest(interactionId));
        } catch (err) {
            notification.error({
                description: err.toString(),
                message: 'Interaction error occured',
            });
        }
    };

    private onInteraction = (e: Event): void => {
        const { frame, isActivated } = this.props;
        const { activeInteractor } = this.state;

        if (!isActivated) {
            return;
        }

        if (!this.interaction.id) {
            this.interaction.id = lodash.uniqueId('interaction_');
        }

        const { shapesUpdated, isDone, shapes } = (e as CustomEvent).detail;
        if (isDone) {
            // make an object from current result
            // do not make one more request
            // prevent future requests if possible
            this.interaction.isAborted = true;
            this.interaction.latestRequest = null;
            if (this.interaction.latestResult.length) {
                this.constructFromPoints(this.interaction.latestResult);
            }
        } else if (shapesUpdated) {
            const interactor = activeInteractor as Model;
            this.interaction.latestRequest = {
                interactor,
                data: {
                    frame,
                    pos_points: convertShapesForInteractor(shapes, 0),
                    neg_points: convertShapesForInteractor(shapes, 2),
                },
            };

            this.runInteractionRequest(this.interaction.id);
        }
    };

    private onTracking = async (e: Event): Promise<void> => {
        const { trackedShapes, activeTracker } = this.state;
        const {
            isActivated, jobInstance, frame, curZOrder, fetchAnnotations,
        } = this.props;

        if (!isActivated) {
            return;
        }

        const { activeLabelID } = this.state;
        const [label] = jobInstance.labels.filter((_label: any): boolean => _label.id === activeLabelID);

        const { isDone, shapesUpdated } = (e as CustomEvent).detail;
        if (!isDone || !shapesUpdated) {
            return;
        }

        try {
            const { points } = (e as CustomEvent).detail.shapes[0];
            const state = new core.classes.ObjectState({
                shapeType: ShapeType.RECTANGLE,
                objectType: ObjectType.TRACK,
                zOrder: curZOrder,
                label,
                points,
                frame,
                occluded: false,
                attributes: {},
                descriptions: [`Trackable (${activeTracker?.name})`],
            });

            const [clientID] = await jobInstance.annotations.put([state]);
            this.setState({
                trackedShapes: [
                    ...trackedShapes,
                    {
                        clientID,
                        serverlessState: null,
                        shapePoints: points,
                        trackerModel: activeTracker as Model,
                    },
                ],
            });

            // update annotations on a canvas
            fetchAnnotations();
        } catch (err) {
            notification.error({
                description: err.toString(),
                message: 'Tracking error occured',
            });
        }
    };

    private interactionListener = async (e: Event): Promise<void> => {
        const { mode } = this.state;

        if (mode === 'interaction') {
            await this.onInteraction(e);
        }

        if (mode === 'tracking') {
            await this.onTracking(e);
        }
    };

    private setActiveInteractor = (value: string): void => {
        const { interactors } = this.props;
        this.setState({
            activeInteractor: interactors.filter((interactor: Model) => interactor.id === value)[0],
        });
    };

    private setActiveTracker = (value: string): void => {
        const { trackers } = this.props;
        this.setState({
            activeTracker: trackers.filter((tracker: Model) => tracker.id === value)[0],
        });
    };

    private onChangeToolsBlockerState = (event: string): void => {
        const { isActivated, onSwitchToolsBlockerState } = this.props;
        if (isActivated && event === 'keydown') {
            onSwitchToolsBlockerState({ algorithmsLocked: true });
        } else if (isActivated && event === 'keyup') {
            onSwitchToolsBlockerState({ algorithmsLocked: false });
        }
    };

    private collectTrackerPortals(): React.ReactPortal[] {
        const { states, fetchAnnotations } = this.props;
        const { trackedShapes, activeTracker } = this.state;

        const trackedClientIDs = trackedShapes.map((trackedShape: TrackedShape) => trackedShape.clientID);
        const portals = !activeTracker ?
            [] :
            states
                .filter((objectState) => objectState.objectType === 'track' && objectState.shapeType === 'rectangle')
                .map((objectState: any): React.ReactPortal | null => {
                    const { clientID } = objectState;
                    const selectorID = `#cvat-objects-sidebar-state-item-${clientID}`;
                    let targetElement = window.document.querySelector(
                        `${selectorID} .cvat-object-item-button-prev-keyframe`,
                    ) as HTMLElement;

                    const isTracked = trackedClientIDs.includes(clientID);
                    if (targetElement) {
                        targetElement = targetElement.parentElement?.parentElement as HTMLElement;
                        return ReactDOM.createPortal(
                            <Col>
                                {isTracked ? (
                                    <CVATTooltip overlay='Disable tracking'>
                                        <EnvironmentFilled
                                            onClick={() => {
                                                const filteredStates = trackedShapes.filter(
                                                    (trackedShape: TrackedShape) => trackedShape.clientID !== clientID,
                                                );
                                                /* eslint no-param-reassign: ["error", { "props": false }] */
                                                objectState.descriptions = [];
                                                objectState.save().then(() => {
                                                    this.setState({
                                                        trackedShapes: filteredStates,
                                                    });
                                                });
                                                fetchAnnotations();
                                            }}
                                        />
                                    </CVATTooltip>
                                ) : (
                                    <CVATTooltip overlay={`Enable tracking using ${activeTracker.name}`}>
                                        <EnvironmentOutlined
                                            onClick={() => {
                                                objectState.descriptions = [`Trackable (${activeTracker.name})`];
                                                objectState.save().then(() => {
                                                    this.setState({
                                                        trackedShapes: [
                                                            ...trackedShapes,
                                                            {
                                                                clientID,
                                                                serverlessState: null,
                                                                shapePoints: objectState.points,
                                                                trackerModel: activeTracker,
                                                            },
                                                        ],
                                                    });
                                                });
                                                fetchAnnotations();
                                            }}
                                        />
                                    </CVATTooltip>
                                )}
                            </Col>,
                            targetElement,
                        );
                    }

                    return null;
                })
                .filter((portal: ReactPortal | null) => portal !== null);

        return portals as React.ReactPortal[];
    }

    private async checkTrackedStates(prevProps: Props): Promise<void> {
        const {
            frame,
            jobInstance,
            states: objectStates,
            trackers,
            fetchAnnotations,
            switchNavigationBlocked,
        } = this.props;
        const { trackedShapes } = this.state;
        let withServerRequest = false;

        type AccumulatorType = {
            statefull: {
                [index: string]: {
                    // tracker id
                    clientIDs: number[];
                    states: any[];
                    shapes: number[][];
                };
            };
            stateless: {
                [index: string]: {
                    // tracker id
                    clientIDs: number[];
                    shapes: number[][];
                };
            };
        };

        if (prevProps.frame !== frame && trackedShapes.length) {
            // 1. find all trackable objects on the current frame
            // 2. devide them into two groups: with relevant state, without relevant state
            const trackingData = trackedShapes.reduce<AccumulatorType>(
                (acc: AccumulatorType, trackedShape: TrackedShape): AccumulatorType => {
                    const {
                        serverlessState, shapePoints, clientID, trackerModel,
                    } = trackedShape;
                    const [clientState] = objectStates.filter((_state: any): boolean => _state.clientID === clientID);

                    if (
                        !clientState ||
                        clientState.keyframes.prev !== frame - 1 ||
                        clientState.keyframes.last >= frame
                    ) {
                        return acc;
                    }

                    if (clientState && !clientState.outside) {
                        const { points } = clientState;
                        withServerRequest = true;
                        const stateIsRelevant =
                            serverlessState !== null &&
                            points.length === shapePoints.length &&
                            points.every((coord: number, i: number) => coord === shapePoints[i]);
                        if (stateIsRelevant) {
                            const container = acc.statefull[trackerModel.id] || {
                                clientIDs: [],
                                shapes: [],
                                states: [],
                            };
                            container.clientIDs.push(clientID);
                            container.shapes.push(points);
                            container.states.push(serverlessState);
                            acc.statefull[trackerModel.id] = container;
                        } else {
                            const container = acc.stateless[trackerModel.id] || {
                                clientIDs: [],
                                shapes: [],
                            };
                            container.clientIDs.push(clientID);
                            container.shapes.push(points);
                            acc.stateless[trackerModel.id] = container;
                        }
                    }

                    return acc;
                },
                {
                    statefull: {},
                    stateless: {},
                },
            );

            try {
                if (withServerRequest) {
                    switchNavigationBlocked(true);
                }
                // 3. get relevant state for the second group
                for (const trackerID of Object.keys(trackingData.stateless)) {
                    let hideMessage = null;
                    try {
                        const [tracker] = trackers.filter((_tracker: Model) => _tracker.id === trackerID);
                        if (!tracker) {
                            throw new Error(`Suitable tracker with ID ${trackerID} not found in tracker list`);
                        }

                        const trackableObjects = trackingData.stateless[trackerID];
                        const numOfObjects = trackableObjects.clientIDs.length;
                        hideMessage = message.loading(
                            `${tracker.name}: states are being initialized for ${numOfObjects} ${
                                numOfObjects > 1 ? 'objects' : 'object'
                            } ..`,
                            0,
                        );
                        // eslint-disable-next-line no-await-in-loop
                        const response = await core.lambda.call(jobInstance.taskId, tracker, {
                            frame: frame - 1,
                            shapes: trackableObjects.shapes,
                        });

                        const { states: serverlessStates } = response;
                        const statefullContainer = trackingData.statefull[trackerID] || {
                            clientIDs: [],
                            shapes: [],
                            states: [],
                        };

                        Array.prototype.push.apply(statefullContainer.clientIDs, trackableObjects.clientIDs);
                        Array.prototype.push.apply(statefullContainer.shapes, trackableObjects.shapes);
                        Array.prototype.push.apply(statefullContainer.states, serverlessStates);
                        trackingData.statefull[trackerID] = statefullContainer;
                        delete trackingData.stateless[trackerID];
                    } catch (error) {
                        notification.error({
                            message: 'Tracker initialization error',
                            description: error.toString(),
                        });
                    } finally {
                        if (hideMessage) hideMessage();
                    }
                }

                for (const trackerID of Object.keys(trackingData.statefull)) {
                    // 4. run tracking for all the objects
                    let hideMessage = null;
                    try {
                        const [tracker] = trackers.filter((_tracker: Model) => _tracker.id === trackerID);
                        if (!tracker) {
                            throw new Error(`Suitable tracker with ID ${trackerID} not found in tracker list`);
                        }

                        const trackableObjects = trackingData.statefull[trackerID];
                        const numOfObjects = trackableObjects.clientIDs.length;
                        hideMessage = message.loading(
                            `${tracker.name}: ${numOfObjects} ${
                                numOfObjects > 1 ? 'objects are' : 'object is'
                            } being tracked..`,
                            0,
                        );
                        // eslint-disable-next-line no-await-in-loop
                        const response = await core.lambda.call(jobInstance.taskId, tracker, {
                            frame: frame - 1,
                            shapes: trackableObjects.shapes,
                            states: trackableObjects.states,
                        });

                        response.shapes = response.shapes.map(trackedRectangleMapper);
                        for (let i = 0; i < trackableObjects.clientIDs.length; i++) {
                            const clientID = trackableObjects.clientIDs[i];
                            const shape = response.shapes[i];
                            const state = response.states[i];
                            const [objectState] = objectStates.filter(
                                (_state: any): boolean => _state.clientID === clientID,
                            );
                            const [trackedShape] = trackedShapes.filter(
                                (_trackedShape: TrackedShape) => _trackedShape.clientID === clientID,
                            );
                            objectState.points = shape;
                            objectState.save().then(() => {
                                trackedShape.serverlessState = state;
                                trackedShape.shapePoints = shape;
                            });
                        }
                    } catch (error) {
                        notification.error({
                            message: 'Tracking error',
                            description: error.toString(),
                        });
                    } finally {
                        if (hideMessage) hideMessage();
                        fetchAnnotations();
                    }
                }
            } finally {
                if (withServerRequest) {
                    switchNavigationBlocked(false);
                }
            }
        }
    }

    private constructFromPoints(points: number[][]): void {
        const {
            frame, labels, curZOrder, jobInstance, activeLabelID, createAnnotations,
        } = this.props;

        const object = new core.classes.ObjectState({
            frame,
            objectType: ObjectType.SHAPE,
            label: labels.length ? labels.filter((label: any) => label.id === activeLabelID)[0] : null,
            shapeType: ShapeType.POLYGON,
            points: points.flat(),
            occluded: false,
            zOrder: curZOrder,
        });

        createAnnotations(jobInstance, frame, [object]);
    }

    private async approximateResponsePoints(points: number[][]): Promise<number[][]> {
        const { approxPolyAccuracy } = this.state;
        if (points.length > 3) {
            if (!openCVWrapper.isInitialized) {
                const hide = message.loading('OpenCV.js initialization..', 0);
                try {
                    await openCVWrapper.initialize(() => {});
                } finally {
                    hide();
                }
            }

            const threshold = thresholdFromAccuracy(approxPolyAccuracy);
            return openCVWrapper.contours.approxPoly(points, threshold);
        }

        return points;
    }

    private renderLabelBlock(): JSX.Element {
        const { labels } = this.props;
        const { activeLabelID } = this.state;
        return (
            <>
                <Row justify='start'>
                    <Col>
                        <Text className='cvat-text-color'>Label</Text>
                    </Col>
                </Row>
                <Row justify='center'>
                    <Col span={24}>
                        <LabelSelector
                            style={{ width: '100%' }}
                            labels={labels}
                            value={activeLabelID}
                            onChange={(value: any) => this.setState({ activeLabelID: value.id })}
                        />
                    </Col>
                </Row>
            </>
        );
    }

    private renderTrackerBlock(): JSX.Element {
        const {
            trackers, canvasInstance, jobInstance, frame, onInteractionStart,
        } = this.props;
        const { activeTracker, activeLabelID, fetching } = this.state;

        if (!trackers.length) {
            return (
                <Row justify='center' align='middle' style={{ marginTop: '5px' }}>
                    <Col>
                        <Text type='warning' className='cvat-text-color'>
                            No available trackers found
                        </Text>
                    </Col>
                </Row>
            );
        }

        return (
            <>
                <Row justify='start'>
                    <Col>
                        <Text className='cvat-text-color'>Tracker</Text>
                    </Col>
                </Row>
                <Row align='middle' justify='center'>
                    <Col span={24}>
                        <Select
                            style={{ width: '100%' }}
                            defaultValue={trackers[0].name}
                            onChange={this.setActiveTracker}
                        >
                            {trackers.map(
                                (tracker: Model): JSX.Element => (
                                    <Select.Option value={tracker.id} title={tracker.description} key={tracker.id}>
                                        {tracker.name}
                                    </Select.Option>
                                ),
                            )}
                        </Select>
                    </Col>
                </Row>
                <Row align='middle' justify='end'>
                    <Col>
                        <Button
                            type='primary'
                            loading={fetching}
                            className='cvat-tools-track-button'
                            disabled={!activeTracker || fetching || frame === jobInstance.stopFrame}
                            onClick={() => {
                                this.setState({ mode: 'tracking' });

                                if (activeTracker) {
                                    canvasInstance.cancel();
                                    canvasInstance.interact({
                                        shapeType: 'rectangle',
                                        enabled: true,
                                    });

                                    onInteractionStart(activeTracker, activeLabelID);
                                    const { onSwitchToolsBlockerState } = this.props;
                                    onSwitchToolsBlockerState({ buttonVisible: false });
                                }
                            }}
                        >
                            Track
                        </Button>
                    </Col>
                </Row>
            </>
        );
    }

    private renderInteractorBlock(): JSX.Element {
        const { interactors, canvasInstance, onInteractionStart } = this.props;
        const { activeInteractor, activeLabelID, fetching } = this.state;

        if (!interactors.length) {
            return (
                <Row justify='center' align='middle' style={{ marginTop: '5px' }}>
                    <Col>
                        <Text type='warning' className='cvat-text-color'>
                            No available interactors found
                        </Text>
                    </Col>
                </Row>
            );
        }

        const minNegVertices = activeInteractor ? (activeInteractor.params.canvas.minNegVertices as number) : -1;

        return (
            <>
                <Row justify='start'>
                    <Col>
                        <Text className='cvat-text-color'>Interactor</Text>
                    </Col>
                </Row>
                <Row align='middle' justify='space-between'>
                    <Col span={22}>
                        <Select
                            style={{ width: '100%' }}
                            defaultValue={interactors[0].name}
                            onChange={this.setActiveInteractor}
                        >
                            {interactors.map(
                                (interactor: Model): JSX.Element => (
                                    <Select.Option
                                        value={interactor.id}
                                        title={interactor.description}
                                        key={interactor.id}
                                    >
                                        {interactor.name}
                                    </Select.Option>
                                ),
                            )}
                        </Select>
                    </Col>
                    <Col span={2} className='cvat-interactors-tips-icon-container'>
                        <Dropdown
                            overlay={(
                                <ToolsTooltips
                                    name={activeInteractor?.name}
                                    withNegativePoints={minNegVertices >= 0}
                                    {...(activeInteractor?.tip || {})}
                                />
                            )}
                        >
                            <QuestionCircleOutlined />
                        </Dropdown>
                    </Col>
                </Row>
                <Row align='middle' justify='end'>
                    <Col>
                        <Button
                            type='primary'
                            loading={fetching}
                            className='cvat-tools-interact-button'
                            disabled={!activeInteractor || fetching}
                            onClick={() => {
                                this.setState({ mode: 'interaction' });

                                if (activeInteractor) {
                                    canvasInstance.cancel();
                                    activeInteractor.onChangeToolsBlockerState = this.onChangeToolsBlockerState;
                                    canvasInstance.interact({
                                        shapeType: 'points',
                                        enabled: true,
                                        ...activeInteractor.params.canvas,
                                    });
                                    onInteractionStart(activeInteractor, activeLabelID);
                                }
                            }}
                        >
                            Interact
                        </Button>
                    </Col>
                </Row>
            </>
        );
    }

    private renderDetectorBlock(): JSX.Element {
        const {
            jobInstance, detectors, curZOrder, frame, createAnnotations,
        } = this.props;

        if (!detectors.length) {
            return (
                <Row justify='center' align='middle' style={{ marginTop: '5px' }}>
                    <Col>
                        <Text type='warning' className='cvat-text-color'>
                            No available detectors found
                        </Text>
                    </Col>
                </Row>
            );
        }

        return (
            <DetectorRunner
                withCleanup={false}
                models={detectors}
                labels={jobInstance.labels}
                dimension={jobInstance.dimension}
                runInference={async (model: Model, body: object) => {
                    try {
                        this.setState({ mode: 'detection', fetching: true });
                        const result = await core.lambda.call(jobInstance.taskId, model, { ...body, frame });
                        const states = result.map(
                            (data: any): any => new core.classes.ObjectState({
                                shapeType: data.type,
                                label: jobInstance.labels.filter((label: any): boolean => label.name === data.label)[0],
                                points: data.points,
                                objectType: ObjectType.SHAPE,
                                frame,
                                occluded: false,
                                source: 'auto',
                                attributes: {},
                                zOrder: curZOrder,
                            }),
                        );

                        createAnnotations(jobInstance, frame, states);
                        const { onSwitchToolsBlockerState } = this.props;
                        onSwitchToolsBlockerState({ buttonVisible: false });
                    } catch (error) {
                        notification.error({
                            description: error.toString(),
                            message: 'Detection error occured',
                        });
                    } finally {
                        this.setState({ fetching: false });
                    }
                }}
            />
        );
    }

    private renderPopoverContent(): JSX.Element {
        return (
            <div className='cvat-tools-control-popover-content'>
                <Row justify='start'>
                    <Col>
                        <Text className='cvat-text-color' strong>
                            AI Tools
                        </Text>
                    </Col>
                </Row>
                <Tabs type='card' tabBarGutter={8}>
                    <Tabs.TabPane key='interactors' tab='Interactors'>
                        {this.renderLabelBlock()}
                        {this.renderInteractorBlock()}
                    </Tabs.TabPane>
                    <Tabs.TabPane key='detectors' tab='Detectors'>
                        {this.renderDetectorBlock()}
                    </Tabs.TabPane>
                    <Tabs.TabPane key='trackers' tab='Trackers'>
                        {this.renderLabelBlock()}
                        {this.renderTrackerBlock()}
                    </Tabs.TabPane>
                </Tabs>
            </div>
        );
    }

    public render(): JSX.Element | null {
        const {
            interactors, detectors, trackers, isActivated, canvasInstance, labels,
        } = this.props;
        const {
            fetching, approxPolyAccuracy, pointsRecieved, mode, portals,
        } = this.state;

        if (![...interactors, ...detectors, ...trackers].length) return null;

        const dynamcPopoverPros = isActivated ?
            {
                overlayStyle: {
                    display: 'none',
                },
            } :
            {};

        const dynamicIconProps = isActivated ?
            {
                className: 'cvat-tools-control cvat-active-canvas-control',
                onClick: (): void => {
                    canvasInstance.interact({ enabled: false });
                },
            } :
            {
                className: 'cvat-tools-control',
            };

        const showAnyContent = !!labels.length;
        const showInteractionContent = isActivated && mode === 'interaction' && pointsRecieved;
        const showDetectionContent = fetching && mode === 'detection';

        const interactionContent: JSX.Element | null = showInteractionContent ? (
            <>
                <ApproximationAccuracy
                    approxPolyAccuracy={approxPolyAccuracy}
                    onChange={(value: number) => {
                        this.setState({ approxPolyAccuracy: value });
                    }}
                />
            </>
        ) : null;

        const detectionContent: JSX.Element | null = showDetectionContent ? (
            <Modal
                title='Making a server request'
                zIndex={Number.MAX_SAFE_INTEGER}
                visible
                destroyOnClose
                closable={false}
                footer={[]}
            >
                <Text>Waiting for a server response..</Text>
                <LoadingOutlined style={{ marginLeft: '10px' }} />
            </Modal>
        ) : null;

        return showAnyContent ? (
            <>
                <CustomPopover {...dynamcPopoverPros} placement='right' content={this.renderPopoverContent()}>
                    <Icon {...dynamicIconProps} component={AIToolsIcon} />
                </CustomPopover>
                {interactionContent}
                {detectionContent}
                {portals}
            </>
        ) : (
            <Icon className=' cvat-tools-control cvat-disabled-canvas-control' component={AIToolsIcon} />
        );
    }
}

export default connect(mapStateToProps, mapDispatchToProps)(ToolsControlComponent);
