import ReactDOM from "react-dom";
import React from "react";
import _ from "lodash";

// --------------------------------
// With width / hegit HOC for D3.js
// --------------------------------

const WithSize = Child =>
  class extends React.Component {
    state = {
      width: null,
      height: null
    };

    constructor(props) {
      super(props);
      this.setSize = this.setSize.bind(this);
      this.setSizeDebounced = _.debounce(this.setSize, 1000);
      window.addEventListener("resize", this.setSizeDebounced);
    }

    componentDidMount() {
      this.setSize();
    }

    componentWillUnmount() {
      window.removeEventListener("resize", this.setSizeDebounced);
    }

    setSize() {
      const width = ReactDOM.findDOMNode(this).clientWidth;
      const height = ReactDOM.findDOMNode(this).clientHeight;
      this.setState({ width, height });
    }

    render() {
      const { width, height } = this.state;
      return (
        <div style={{ width: "100%", height: "100%" }}>
          {width && height ? <Child width={width} height={height} {...this.props} /> : null}
        </div>
      );
    }
  };


// --------------------------------
// Usage
// --------------------------------

import React from "react";
import * as d3 from "d3";
import WithSize from "../../shared/with-size";

class Chart1 extends React.Component {
  static displayName = "D3Chart";
  state = {
    data: [...],
    scaleX: null,
    scaleY: null
  };

  componentDidMount() {
    this.setState({
      scaleX: this.createScaleX(),
      scaleY: this.createScaleY()
    });
  }

  compomentDidUpdate(prevProps) {
    // width / height props from WithSize HOC
    if (prevProps.width !== this.props.width || prevProps.height !== this.props.height) {
      this.setState({
        scaleX: this.createScaleX(),
        scaleY: this.createScaleY()
      });
    }
  }

  createScaleX() {
    return d3
      .scaleLinear()
      .domain([0, d3.max(this.state.data)])
      // width / height props from WithSize HOC
      .range([0, this.props.width]);
  }

  createScaleY() {
    return d3
      .scaleBand()
      .domain(this.state.data)
       // width / height props from WithSize HOC
      .range([0, this.props.height])
      .padding(0.1);
  }

  render() {
    // Render bars, rect etc, use this.state scales
  }
}

export default WithSize(HorisontalBarChart1);