/* rc slider https://www.npmjs.com/package/rc-slider */

import React from 'react';
import _ from "lodash";
import { connect } from "react-redux";

import styles from './parallelCoordinates.css';
import SectionHeader from "../framework/sectionHeader";

import setupParallelCoordinates from "./setupParallelCoordinates";
import drawAxes from "./drawAxes";
import drawLinesCanvas from "./drawLinesCanvas";

import HistogramBrush from "./histogramBrush";

import {
  margin,
  width,
  height,
  createDimensions,
} from "./util";

@connect((state) => {

  const ranges = state.cells.cells && state.cells.cells.data.ranges ? state.cells.cells.data.ranges : null;
  const metadata = state.cells.cells && state.cells.cells.data.metadata ? state.cells.cells.data.metadata : null;

  const initializeRanges = state.initialize.data && state.initialize.data.data.ranges ? state.initialize.data.data.ranges : null;

  return {
    ranges,
    metadata,
    initializeRanges,
    colorAccessor: state.controls.colorAccessor,
    colorScale: state.controls.colorScale,
    graphBrushSelection: state.controls.graphBrushSelection,
    currentCellSelection: state.controls.currentCellSelection,
    axesHaveBeenDrawn: state.controls.axesHaveBeenDrawn,
  }
})
class Continuous extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      svg: null,
      ctx: null,
      axes: null,
      dimensions: null,
    };
  }
  componentDidMount() {

  }
  componentWillReceiveProps(nextProps) {

  }

  componentDidMount() {

  }
  handleBrushAction (selection) {
    this.props.dispatch({
      type: "continuous selection using parallel coords brushing",
      data: selection
    })
  }
  handleColorAction (key) {
    this.props.dispatch({
      type: "color by continuous metadata",
      colorAccessor: key,
      rangeMaxForColorAccessor: this.props.initializeRanges[key].range.max
    });
  }

  render() {

    return (
      <div>
        {
          _.map(this.props.ranges, (value, key) => {
            const isColorField = key.includes("color") || key.includes("Color");
            if (
              value.range &&
              key !== "CellName" &&
              !isColorField
            ) {
              return (
                <HistogramBrush
                  key={key}
                  metadataField={key}
                  ranges={value.range}/>
              )
            }
          })
        }
      </div>
    )
  }
};

export default Continuous;


// <SectionHeader text="Continuous Metadata"/>