import { action, computed, observable, runInAction } from 'mobx';
import { observer } from 'mobx-react';
import * as React from 'react';
import { Doc, DocListCast, Opt } from '../../../fields/Doc';
import { List } from '../../../fields/List';
import { createSchema, defaultSpec, listSpec, makeInterface } from '../../../fields/Schema';
import { Cast, NumCast } from '../../../fields/Types';
import { Docs } from '../../documents/Documents';
import { Transform } from '../../util/Transform';
import { CollectionDockingView } from '../collections/CollectionDockingView';
import '../global/globalCssVariables.scss';
import { OpenWhereMod } from '../nodes/DocumentView';
import './Keyframe.scss';
import './Timeline.scss';
import { TimelineMenu } from './TimelineMenu';

/**
 * Useful static functions that you can use. Mostly for logic, but you can also add UI logic here also
 */
export namespace KeyframeFunc {
    export enum KeyframeType {
        end = 'end',
        fade = 'fade',
        default = 'default',
    }

    export enum Direction {
        left = 'left',
        right = 'right',
    }

    export const findAdjacentRegion = (dir: KeyframeFunc.Direction, currentRegion: Doc, regions: Doc[]): RegionData | undefined => {
        let leftMost: RegionData | undefined = undefined;
        let rightMost: RegionData | undefined = undefined;
        regions.forEach(region => {
            const neighbor = RegionData(region);
            if (currentRegion.position! > neighbor.position) {
                if (!leftMost || neighbor.position > leftMost.position) {
                    leftMost = neighbor;
                }
            } else if (currentRegion.position! < neighbor.position) {
                if (!rightMost || neighbor.position < rightMost.position) {
                    rightMost = neighbor;
                }
            }
        });
        if (dir === Direction.left) {
            return leftMost;
        } else if (dir === Direction.right) {
            return rightMost;
        }
    };

    export const calcMinLeft = (region: Doc, currentBarX: number, ref?: Doc) => {
        //returns the time of the closet keyframe to the left
        let leftKf: Opt<Doc>;
        let time: number = 0;
        const keyframes = DocListCast(region.keyframes!);
        keyframes.map(kf => {
            let compTime = currentBarX;
            if (ref) compTime = NumCast(ref.time);
            if (NumCast(kf.time) < compTime && NumCast(kf.time) >= time) {
                leftKf = kf;
                time = NumCast(kf.time);
            }
        });
        return leftKf;
    };

    export const calcMinRight = (region: Doc, currentBarX: number, ref?: Doc) => {
        //returns the time of the closest keyframe to the right
        let rightKf: Opt<Doc>;
        let time: number = Infinity;
        DocListCast(region.keyframes!).forEach(kf => {
            let compTime = currentBarX;
            if (ref) compTime = NumCast(ref.time);
            if (NumCast(kf.time) > compTime && NumCast(kf.time) <= NumCast(time)) {
                rightKf = kf;
                time = NumCast(kf.time);
            }
        });
        return rightKf;
    };

    export const defaultKeyframe = () => {
        const regiondata = new Doc(); //creating regiondata in MILI
        regiondata.duration = 4000;
        regiondata.position = 0;
        regiondata.fadeIn = 1000;
        regiondata.fadeOut = 1000;
        regiondata.functions = new List<Doc>();
        regiondata.hasData = false;
        return regiondata;
    };

    export const convertPixelTime = (pos: number, unit: 'mili' | 'sec' | 'min' | 'hr', dir: 'pixel' | 'time', tickSpacing: number, tickIncrement: number) => {
        const time = dir === 'pixel' ? (pos * tickSpacing) / tickIncrement : (pos / tickSpacing) * tickIncrement;
        switch (unit) {
            case 'mili':
                return time;
            case 'sec':
                return dir === 'pixel' ? time / 1000 : time * 1000;
            case 'min':
                return dir === 'pixel' ? time / 60000 : time * 60000;
            case 'hr':
                return dir === 'pixel' ? time / 3600000 : time * 3600000;
            default:
                return time;
        }
    };
}

export const RegionDataSchema = createSchema({
    position: defaultSpec('number', 0),
    duration: defaultSpec('number', 0),
    keyframes: listSpec(Doc),
    fadeIn: defaultSpec('number', 0),
    fadeOut: defaultSpec('number', 0),
    functions: listSpec(Doc),
    hasData: defaultSpec('boolean', false),
});
export type RegionData = makeInterface<[typeof RegionDataSchema]>;
export const RegionData = makeInterface(RegionDataSchema);

interface IProps {
    node: Doc;
    RegionData: Doc;
    collection: Doc;
    tickSpacing: number;
    tickIncrement: number;
    time: number;
    changeCurrentBarX: (x: number) => void;
    transform: Transform;
    makeKeyData: (region: RegionData, pos: number, kftype: KeyframeFunc.KeyframeType) => Doc;
}

/**
 *
 * This class handles the green region stuff
 * Key facts:
 *
 * Structure looks like this
 *
 * region as a whole
 *  <------------------------------REGION------------------------------->
 *
 * region broken down
 *
 *  <|---------|############ MAIN CONTENT #################|-----------|>      .....followed by void.........
 *  (start)                                             (Fade 2)
 *            (fade 1)                                              (finish)
 *
 *
 * As you can see, this is different from After Effect and Premiere Pro, but this is how TAG worked.
 * If you want to checkout TAG, it's in the lockers, and the password is the usual lab door password. It's the blue laptop.
 * If you want to know the exact location of the computer, message me.
 *
 * @author Andrew Kim
 */
@observer
export class Keyframe extends React.Component<IProps> {
    @observable private _bar = React.createRef<HTMLDivElement>();
    @observable private _mouseToggled = false;
    @observable private _doubleClickEnabled = false;

    @computed private get regiondata() {
        return RegionData(this.props.RegionData);
    }
    @computed private get regions() {
        return DocListCast(this.props.node.regions);
    }
    @computed private get keyframes() {
        return DocListCast(this.regiondata.keyframes);
    }
    @computed private get pixelPosition() {
        return KeyframeFunc.convertPixelTime(this.regiondata.position, 'mili', 'pixel', this.props.tickSpacing, this.props.tickIncrement);
    }
    @computed private get pixelDuration() {
        return KeyframeFunc.convertPixelTime(this.regiondata.duration, 'mili', 'pixel', this.props.tickSpacing, this.props.tickIncrement);
    }
    @computed private get pixelFadeIn() {
        return KeyframeFunc.convertPixelTime(this.regiondata.fadeIn, 'mili', 'pixel', this.props.tickSpacing, this.props.tickIncrement);
    }
    @computed private get pixelFadeOut() {
        return KeyframeFunc.convertPixelTime(this.regiondata.fadeOut, 'mili', 'pixel', this.props.tickSpacing, this.props.tickIncrement);
    }

    constructor(props: any) {
        super(props);
    }
    componentDidMount() {
        setTimeout(() => {
            //giving it a temporary 1sec delay...
            if (!this.regiondata.keyframes) this.regiondata.keyframes = new List<Doc>();
            const start = this.props.makeKeyData(this.regiondata, this.regiondata.position, KeyframeFunc.KeyframeType.end);
            const fadeIn = this.props.makeKeyData(this.regiondata, this.regiondata.position + this.regiondata.fadeIn, KeyframeFunc.KeyframeType.fade);
            const fadeOut = this.props.makeKeyData(this.regiondata, this.regiondata.position + this.regiondata.duration - this.regiondata.fadeOut, KeyframeFunc.KeyframeType.fade);
            const finish = this.props.makeKeyData(this.regiondata, this.regiondata.position + this.regiondata.duration, KeyframeFunc.KeyframeType.end);
            fadeIn.opacity = 1;
            fadeOut.opacity = 1;
            start.opacity = 0.1;
            finish.opacity = 0.1;
            this.forceUpdate(); //not needed, if setTimeout is gone...
        }, 1000);
    }

    @action
    onBarPointerDown = (e: React.PointerEvent) => {
        e.preventDefault();
        e.stopPropagation();
        const clientX = e.clientX;
        if (this._doubleClickEnabled) {
            this.createKeyframe(clientX);
            this._doubleClickEnabled = false;
        } else {
            setTimeout(() => {
                if (!this._mouseToggled && this._doubleClickEnabled) this.props.changeCurrentBarX(this.pixelPosition + (clientX - this._bar.current!.getBoundingClientRect().left) * this.props.transform.Scale);
                this._mouseToggled = false;
                this._doubleClickEnabled = false;
            }, 200);
            this._doubleClickEnabled = true;
            document.addEventListener('pointermove', this.onBarPointerMove);
            document.addEventListener('pointerup', (e: PointerEvent) => {
                document.removeEventListener('pointermove', this.onBarPointerMove);
            });
        }
    };

    @action
    onBarPointerMove = (e: PointerEvent) => {
        e.preventDefault();
        e.stopPropagation();
        if (e.movementX !== 0) {
            this._mouseToggled = true;
        }
        const left = KeyframeFunc.findAdjacentRegion(KeyframeFunc.Direction.left, this.regiondata, this.regions)!;
        const right = KeyframeFunc.findAdjacentRegion(KeyframeFunc.Direction.right, this.regiondata, this.regions)!;
        const prevX = this.regiondata.position;
        const futureX = this.regiondata.position + KeyframeFunc.convertPixelTime(e.movementX, 'mili', 'time', this.props.tickSpacing, this.props.tickIncrement);
        if (futureX <= 0) {
            this.regiondata.position = 0;
        } else if (left && left.position + left.duration >= futureX) {
            this.regiondata.position = left.position + left.duration;
        } else if (right && right.position <= futureX + this.regiondata.duration) {
            this.regiondata.position = right.position - this.regiondata.duration;
        } else {
            this.regiondata.position = futureX;
        }
        const movement = this.regiondata.position - prevX;
        this.keyframes.forEach(kf => (kf.time = NumCast(kf.time) + movement));
    };

    @action
    onResizeLeft = (e: React.PointerEvent) => {
        e.preventDefault();
        e.stopPropagation();
        document.addEventListener('pointermove', this.onDragResizeLeft);
        document.addEventListener('pointerup', () => {
            document.removeEventListener('pointermove', this.onDragResizeLeft);
        });
    };

    @action
    onResizeRight = (e: React.PointerEvent) => {
        e.preventDefault();
        e.stopPropagation();
        document.addEventListener('pointermove', this.onDragResizeRight);
        document.addEventListener('pointerup', () => {
            document.removeEventListener('pointermove', this.onDragResizeRight);
        });
    };

    @action
    onDragResizeLeft = (e: PointerEvent) => {
        e.preventDefault();
        e.stopPropagation();
        const bar = this._bar.current!;
        const offset = KeyframeFunc.convertPixelTime(Math.round((e.clientX - bar.getBoundingClientRect().left) * this.props.transform.Scale), 'mili', 'time', this.props.tickSpacing, this.props.tickIncrement);
        const leftRegion = KeyframeFunc.findAdjacentRegion(KeyframeFunc.Direction.left, this.regiondata, this.regions);
        if (leftRegion && this.regiondata.position + offset <= leftRegion.position + leftRegion.duration) {
            this.regiondata.position = leftRegion.position + leftRegion.duration;
            this.regiondata.duration = NumCast(this.keyframes[this.keyframes.length - 1].time) - (leftRegion.position + leftRegion.duration);
        } else if (NumCast(this.keyframes[1].time) + offset >= NumCast(this.keyframes[2].time)) {
            this.regiondata.position = NumCast(this.keyframes[2].time) - this.regiondata.fadeIn;
            this.regiondata.duration = NumCast(this.keyframes[this.keyframes.length - 1].time) - NumCast(this.keyframes[2].time) + this.regiondata.fadeIn;
        } else if (NumCast(this.keyframes[0].time) + offset <= 0) {
            this.regiondata.position = 0;
            this.regiondata.duration = NumCast(this.keyframes[this.keyframes.length - 1].time);
        } else {
            this.regiondata.duration -= offset;
            this.regiondata.position += offset;
        }
        this.keyframes[0].time = this.regiondata.position;
        this.keyframes[1].time = this.regiondata.position + this.regiondata.fadeIn;
    };

    @action
    onDragResizeRight = (e: PointerEvent) => {
        e.preventDefault();
        e.stopPropagation();
        const bar = this._bar.current!;
        const offset = KeyframeFunc.convertPixelTime(Math.round((e.clientX - bar.getBoundingClientRect().right) * this.props.transform.Scale), 'mili', 'time', this.props.tickSpacing, this.props.tickIncrement);
        const rightRegion = KeyframeFunc.findAdjacentRegion(KeyframeFunc.Direction.right, this.regiondata, this.regions);
        const fadeOutKeyframeTime = NumCast(this.keyframes[this.keyframes.length - 3].time);
        if (this.regiondata.position + this.regiondata.duration - this.regiondata.fadeOut + offset <= fadeOutKeyframeTime) {
            //case 1: when third to last keyframe is in the way
            this.regiondata.duration = fadeOutKeyframeTime - this.regiondata.position + this.regiondata.fadeOut;
        } else if (rightRegion && this.regiondata.position + this.regiondata.duration + offset >= rightRegion.position) {
            this.regiondata.duration = rightRegion.position - this.regiondata.position;
        } else {
            this.regiondata.duration += offset;
        }
        this.keyframes[this.keyframes.length - 2].time = this.regiondata.position + this.regiondata.duration - this.regiondata.fadeOut;
        this.keyframes[this.keyframes.length - 1].time = this.regiondata.position + this.regiondata.duration;
    };

    @action
    createKeyframe = async (clientX: number) => {
        this._mouseToggled = true;
        const bar = this._bar.current!;
        const offset = KeyframeFunc.convertPixelTime(Math.round((clientX - bar.getBoundingClientRect().left) * this.props.transform.Scale), 'mili', 'time', this.props.tickSpacing, this.props.tickIncrement);
        if (offset > this.regiondata.fadeIn && offset < this.regiondata.duration - this.regiondata.fadeOut) {
            //make sure keyframe is not created inbetween fades and ends
            const position = this.regiondata.position;
            this.props.makeKeyData(this.regiondata, Math.round(position + offset), KeyframeFunc.KeyframeType.default);
            this.regiondata.hasData = true;
            this.props.changeCurrentBarX(KeyframeFunc.convertPixelTime(Math.round(position + offset), 'mili', 'pixel', this.props.tickSpacing, this.props.tickIncrement)); //first move the keyframe to the correct location and make a copy so the correct file gets coppied
        }
    };

    @action
    moveKeyframe = async (e: React.MouseEvent, kf: Doc) => {
        e.preventDefault();
        e.stopPropagation();
        this.props.changeCurrentBarX(KeyframeFunc.convertPixelTime(NumCast(kf.time!), 'mili', 'pixel', this.props.tickSpacing, this.props.tickIncrement));
    };

    /**
     * custom keyframe context menu items (when clicking on the keyframe circle)
     */
    @action
    makeKeyframeMenu = (kf: Doc, e: MouseEvent) => {
        TimelineMenu.Instance.addItem('button', 'Toggle Fade Only', () => {
            kf.type = kf.type === KeyframeFunc.KeyframeType.fade ? KeyframeFunc.KeyframeType.default : KeyframeFunc.KeyframeType.fade;
        }),
            TimelineMenu.Instance.addItem(
                'button',
                'Show Data',
                action(() => {
                    const kvp = Docs.Create.KVPDocument(kf, { _width: 300, _height: 300 });
                    CollectionDockingView.AddSplit(kvp, OpenWhereMod.right);
                })
            ),
            TimelineMenu.Instance.addItem(
                'button',
                'Delete',
                action(() => {
                    (this.regiondata.keyframes as List<Doc>).splice(this.keyframes.indexOf(kf), 1);
                    this.forceUpdate();
                })
            ),
            TimelineMenu.Instance.addItem(
                'input',
                'Move',
                action(val => {
                    let cannotMove: boolean = false;
                    const kfIndex: number = this.keyframes.indexOf(kf);
                    if (val < 0 || val < NumCast(this.keyframes[kfIndex - 1].time) || val > NumCast(this.keyframes[kfIndex + 1].time)) {
                        cannotMove = true;
                    }
                    if (!cannotMove) {
                        this.keyframes[kfIndex].time = parseInt(val, 10);
                        this.keyframes[1].time = this.regiondata.position + this.regiondata.fadeIn;
                    }
                })
            );
        TimelineMenu.Instance.addMenu('Keyframe');
        TimelineMenu.Instance.openMenu(e.clientX, e.clientY);
    };

    /**
     * context menu for region (anywhere on the green region).
     */
    @action
    makeRegionMenu = (kf: Doc, e: MouseEvent) => {
        TimelineMenu.Instance.addItem('button', 'Remove Region', () => Cast(this.props.node.regions, listSpec(Doc))?.splice(this.regions.indexOf(this.props.RegionData), 1)),
            TimelineMenu.Instance.addItem('input', `fadeIn: ${this.regiondata.fadeIn}ms`, val => {
                runInAction(() => {
                    let cannotMove: boolean = false;
                    if (val < 0 || val > NumCast(this.keyframes[2].time) - this.regiondata.position) {
                        cannotMove = true;
                    }
                    if (!cannotMove) {
                        this.regiondata.fadeIn = parseInt(val, 10);
                        this.keyframes[1].time = this.regiondata.position + this.regiondata.fadeIn;
                    }
                });
            }),
            TimelineMenu.Instance.addItem('input', `fadeOut: ${this.regiondata.fadeOut}ms`, val => {
                runInAction(() => {
                    let cannotMove: boolean = false;
                    if (val < 0 || val > this.regiondata.position + this.regiondata.duration - NumCast(this.keyframes[this.keyframes.length - 3].time)) {
                        cannotMove = true;
                    }
                    if (!cannotMove) {
                        this.regiondata.fadeOut = parseInt(val, 10);
                        this.keyframes[this.keyframes.length - 2].time = this.regiondata.position + this.regiondata.duration - val;
                    }
                });
            }),
            TimelineMenu.Instance.addItem('input', `position: ${this.regiondata.position}ms`, val => {
                runInAction(() => {
                    const prevPosition = this.regiondata.position;
                    let cannotMove: boolean = false;
                    this.regions
                        .map(region => ({ pos: NumCast(region.position), dur: NumCast(region.duration) }))
                        .forEach(({ pos, dur }) => {
                            if (pos !== this.regiondata.position) {
                                if (val < 0 || (val > pos && val < pos + dur) || (this.regiondata.duration + val > pos && this.regiondata.duration + val < pos + dur)) {
                                    cannotMove = true;
                                }
                            }
                        });
                    if (!cannotMove) {
                        this.regiondata.position = parseInt(val, 10);
                        this.updateKeyframes(this.regiondata.position - prevPosition);
                    }
                });
            }),
            TimelineMenu.Instance.addItem('input', `duration: ${this.regiondata.duration}ms`, val => {
                runInAction(() => {
                    let cannotMove: boolean = false;
                    this.regions
                        .map(region => ({ pos: NumCast(region.position), dur: NumCast(region.duration) }))
                        .forEach(({ pos, dur }) => {
                            if (pos !== this.regiondata.position) {
                                val += this.regiondata.position;
                                if (val < 0 || (val > pos && val < pos + dur)) {
                                    cannotMove = true;
                                }
                            }
                        });
                    if (!cannotMove) {
                        this.regiondata.duration = parseInt(val, 10);
                        this.keyframes[this.keyframes.length - 1].time = this.regiondata.position + this.regiondata.duration;
                        this.keyframes[this.keyframes.length - 2].time = this.regiondata.position + this.regiondata.duration - this.regiondata.fadeOut;
                    }
                });
            }),
            TimelineMenu.Instance.addMenu('Region');
        TimelineMenu.Instance.openMenu(e.clientX, e.clientY);
    };

    @action
    updateKeyframes = (incr: number, filter: number[] = []) => {
        this.keyframes.forEach(kf => {
            if (!filter.includes(this.keyframes.indexOf(kf))) {
                kf.time = NumCast(kf.time) + incr;
            }
        });
    };

    /**
     * hovering effect when hovered (hidden div darkens)
     */
    @action
    onContainerOver = (e: React.PointerEvent, ref: React.RefObject<HTMLDivElement>) => {
        e.preventDefault();
        e.stopPropagation();
        const div = ref.current!;
        div.style.opacity = '1';
        Doc.BrushDoc(this.props.node);
    };

    /**
     * hovering effect when hovered out (hidden div becomes invisible)
     */
    @action
    onContainerOut = (e: React.PointerEvent, ref: React.RefObject<HTMLDivElement>) => {
        e.preventDefault();
        e.stopPropagation();
        const div = ref.current!;
        div.style.opacity = '0';
        Doc.UnBrushDoc(this.props.node);
    };

    ///////////////////////UI STUFF /////////////////////////

    /**
     * drawing keyframe. Handles both keyframe with a circle (one that you create by double clicking) and one without circle (fades)
     * this probably needs biggest change, since everyone expected all keyframes to have a circle (and draggable)
     */
    drawKeyframes = () => {
        const keyframeDivs: JSX.Element[] = [];
        return DocListCast(this.regiondata.keyframes).map(kf => {
            if ((kf.type as KeyframeFunc.KeyframeType) !== KeyframeFunc.KeyframeType.end) {
                return (
                    <>
                        <div className="keyframe" style={{ left: `${KeyframeFunc.convertPixelTime(NumCast(kf.time), 'mili', 'pixel', this.props.tickSpacing, this.props.tickIncrement) - this.pixelPosition}px` }}>
                            <div className="divider"></div>
                            <div
                                className="keyframeCircle keyframe-indicator"
                                onPointerDown={e => {
                                    e.preventDefault();
                                    e.stopPropagation();
                                    this.moveKeyframe(e, kf);
                                }}
                                onContextMenu={(e: React.MouseEvent) => {
                                    e.preventDefault();
                                    e.stopPropagation();
                                    this.makeKeyframeMenu(kf, e.nativeEvent);
                                }}
                                onDoubleClick={e => {
                                    e.preventDefault();
                                    e.stopPropagation();
                                }}></div>
                        </div>
                        <div className="keyframe-information" />
                    </>
                );
            } else {
                return (
                    <div className="keyframe" style={{ left: `${KeyframeFunc.convertPixelTime(NumCast(kf.time), 'mili', 'pixel', this.props.tickSpacing, this.props.tickIncrement) - this.pixelPosition}px` }}>
                        <div className="divider" />
                    </div>
                );
            }
        });
    };

    /**
     * drawing the hidden divs that partition different intervals within a region.
     */
    @action
    drawKeyframeDividers = () => {
        const keyframeDividers: JSX.Element[] = [];
        DocListCast(this.regiondata.keyframes).forEach(kf => {
            const index = this.keyframes.indexOf(kf);
            if (index !== this.keyframes.length - 1) {
                const right = this.keyframes[index + 1];
                const bodyRef = React.createRef<HTMLDivElement>();
                const kfPos = KeyframeFunc.convertPixelTime(NumCast(kf.time), 'mili', 'pixel', this.props.tickSpacing, this.props.tickIncrement);
                const rightPos = KeyframeFunc.convertPixelTime(NumCast(right.time), 'mili', 'pixel', this.props.tickSpacing, this.props.tickIncrement);
                keyframeDividers.push(
                    <div
                        ref={bodyRef}
                        className="body-container"
                        style={{ left: `${kfPos - this.pixelPosition}px`, width: `${rightPos - kfPos}px` }}
                        onPointerOver={e => {
                            e.preventDefault();
                            e.stopPropagation();
                            this.onContainerOver(e, bodyRef);
                        }}
                        onPointerOut={e => {
                            e.preventDefault();
                            e.stopPropagation();
                            this.onContainerOut(e, bodyRef);
                        }}
                        onContextMenu={e => {
                            e.preventDefault();
                            e.stopPropagation();
                            if (index !== 0 || index !== this.keyframes.length - 2) {
                                this._mouseToggled = true;
                            }
                            this.makeRegionMenu(kf, e.nativeEvent);
                        }}></div>
                );
            }
        });
        return keyframeDividers;
    };

    /**
     * rendering that green region
     */
    //154, 206, 223
    render() {
        return (
            <div
                className="bar"
                ref={this._bar}
                style={{
                    transform: `translate(${this.pixelPosition}px)`,
                    width: `${this.pixelDuration}px`,
                    background: `linear-gradient(90deg, rgba(154, 206, 223, 0) 0%, rgba(154, 206, 223, 1) ${(this.pixelFadeIn / this.pixelDuration) * 100}%, rgba(154, 206, 223, 1) ${
                        ((this.pixelDuration - this.pixelFadeOut) / this.pixelDuration) * 100
                    }%, rgba(154, 206, 223, 0) 100% )`,
                }}
                onPointerDown={this.onBarPointerDown}>
                <div className="leftResize keyframe-indicator" onPointerDown={this.onResizeLeft}></div>
                {/* <div className="keyframe-information"></div> */}
                <div className="rightResize keyframe-indicator" onPointerDown={this.onResizeRight}></div>
                {/* <div className="keyframe-information"></div> */}
                {this.drawKeyframes()}
                {this.drawKeyframeDividers()}
            </div>
        );
    }
}