import { observer } from 'mobx-react';
import * as React from 'react';
import { Doc } from '../../../../fields/Doc';
import { action, computed, observable } from 'mobx';
import { NumCast, StrCast } from '../../../../fields/Types';
import { LineChart } from './components/LineChart';
import { Chart, ChartData } from './ChartInterface';

export interface ChartBoxProps {
    rootDoc: Doc;
    dataDoc: Doc;
    pairs: { x: number; y: number }[];
    setChartBox: (chartBox: ChartBox) => void;
    getAnchor: () => Doc;
}

export interface DataPoint {
    x: number;
    y: number;
}

@observer
export class ChartBox extends React.Component<ChartBoxProps> {
    @observable private _chartData: ChartData | undefined = undefined;
    private currChart: Chart | undefined;

    @computed get currView() {
        if (this.props.rootDoc._dataVizView) {
            return StrCast(this.props.rootDoc._currChartView);
        } else {
            return 'table';
        }
    }

    constructor(props: any) {
        super(props);
        if (!this.props.rootDoc._currChartView) {
            this.props.rootDoc._currChartView = 'bar';
        }
    }

    setCurrChart = (chart: Chart) => {
        this.currChart = chart;
    };

    @action
    generateChartData() {
        if (this.props.rootDoc._chartData) {
            this._chartData = JSON.parse(StrCast(this.props.rootDoc._chartData));
            return;
        }

        const data: ChartData = {
            xLabel: '',
            yLabel: '',
            data: [[]],
        };

        if (this.props.pairs && this.props.pairs.length > 0) {
            data.xLabel = 'x';
            data.yLabel = 'y';
            this.props.pairs.forEach(pair => {
                // TODO: nda - add actual support for multiple sets of data
                data.data[0].push({ x: pair.x, y: pair.y });
            });
        }

        this._chartData = data;
        this.props.rootDoc._chartData = JSON.stringify(data);
    }

    componentDidMount = () => {
        this.generateChartData();
        // setting timeout to allow rerender cycle of the actual chart tof inish
        // setTimeout(() => {
        this.props.setChartBox(this);
        // });
        // this.props.setChartBox(this);
    };

    @action
    onClickChangeChart = (e: React.MouseEvent<HTMLButtonElement>) => {
        e.preventDefault();
        e.stopPropagation();
        console.log(e.currentTarget.value);
        this.props.rootDoc._currChartView = e.currentTarget.value.toLowerCase();
    };

    scrollFocus(doc: Doc, smooth: boolean): number | undefined {
        // if x and y exist on this
        // then highlight/focus the x and y position (datapoint)
        // highlight for a few seconds and then remove (set a timer to unhighlight after a period of time,
        //  to be consistent, use 5 seconds and highlight color is orange)
        // if x and y don't exist => link to whole doc => dash will take care of focusing on the entire doc
        // return value is how long this action takes
        //  undefined => immediately, 0 => introduces a timeout
        //  number in ms => won't do any of the focus or call the automated highlighting thing until this timeout expires
        //      in this case probably number in ms doesn't matter

        // for now could just update the currSelected in linechart to be what doc.x and doc.y

        if (this.currChart && doc.x && doc.y) {
            // update curr selected
            this.currChart.setCurrSelected(Number(doc.x), Number(doc.y));
        }
        return 0;
    }

    _getAnchor() {
        return this.currChart?._getAnchor();
    }

    render() {
        if (this.props.pairs && this._chartData) {
            let width = NumCast(this.props.rootDoc._width);
            width = width * 0.7;
            let height = NumCast(this.props.rootDoc._height);
            height = height * 0.7;
            console.log(width, height);
            const margin = { top: 50, right: 50, bottom: 50, left: 50 };
            return (
                <div>
                    <div>
                        {/*{this.props.rootDoc._currChartView == 'line' ? (
                            <Line ref={this._chartRef} options={this.options} data={this._chartJsData} onClick={e => this.onClick(e)} />
                        ) : (
                            <Bar ref={this._chartRef} options={this.options} data={this._chartJsData} onClick={e => this.onClick(e)} />
                        )} */}
                        {/* {this.reLineChart} */}
                        <LineChart margin={margin} width={width} height={height} chartData={this._chartData} setCurrChart={this.setCurrChart} dataDoc={this.props.dataDoc} fieldKey={'data'} getAnchor={this.props.getAnchor} />
                    </div>
                    <button onClick={e => this.onClickChangeChart(e)} value="line">
                        Line
                    </button>
                    <button onClick={e => this.onClickChangeChart(e)} value="bar">
                        Bar
                    </button>
                </div>
            );
        } else {
            return <div></div>;
        }
    }
}