import React, {Component} from 'react';
import PropTypes from 'prop-types';

import {LineChart, Line, XAxis, YAxis, CartesianGrid, Tooltip, Legend} from 'recharts';

import colorHash from '../gme/utils/colorHash';

/* eslint-disable */
class Plotter extends Component {
    /* eslint-enable */
    static propTypes = {
        variables: PropTypes.arrayOf(PropTypes.string).isRequired,
        simRes: PropTypes.object.isRequired,
    };

    render() {
        let data = [];
        const {variables, simRes} = this.props;

        if (simRes.timeSeries) {
            simRes.timeSeries.time.forEach((time, idx) => {
                const plotPoints = {
                    time,
                };

                variables.forEach((varName) => {
                    // TODO: Consider rounding the data before storing in model..
                    plotPoints[varName] = parseFloat(simRes.timeSeries[varName][idx].toFixed(9));
                });

                data.push(plotPoints);
            });
        } else {
            data = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10].map(t => ({time: t}));
        }

        return (
            <div>
                <LineChart
                    width={600}
                    height={270}
                    data={data}
                    style={{
                        left: '20%',
                        marginTop: 15,
                        marginBottom: 15,
                    }}
                >
                    <XAxis dataKey="time" scale="linear"/>
                    <YAxis/>
                    <CartesianGrid strokeDasharray="3 3"/>
                    <Tooltip/>
                    <Legend layout="vertical" align="left" verticalAlign="middle"/>
                    {data[0] ?
                        Object.keys(data[0])
                            .filter(varName => varName !== 'time' || variables.length === 0)
                            .map((varName) => {
                                let name = varName;
                                if (varName === 'time') {
                                    name = 'Time is the master...';
                                }

                                return (<Line
                                    dot={false}
                                    name={name}
                                    key={varName}
                                    type="monotone"
                                    dataKey={varName}
                                    stroke={colorHash(varName).rgb}
                                />);
                            })
                        : null}
                </LineChart>
            </div>
        );
    }
}

export default Plotter;