import React from 'react';
import { placeOnGround, createScene, createGcodeGeometry } from './utils.js';
import baseSettings from '../settings/default.yml';
import printerSettings from '../settings/printer.yml';
import materialSettings from '../settings/material.yml';
import qualitySettings from '../settings/quality.yml';
import PropTypes from 'proptypes';
import injectSheet from 'react-jss';
import { sliceGeometry } from '../slicer.js';
import * as THREE from 'three';

const styles = {
  container: {
    position: 'relative'
  },
  canvas: {
    position: 'absolute',
  },
  controlBar: {
    position: 'absolute',
    bottom: 0,
    left: 0
  },
  sliceBar: {
    position: 'absolute',
    top: 0,
    right: 0
  },
  overlay: {
    position: 'absolute',
    backgroundColor: 'rgba(0, 0, 0, 0.5)',
    color: 'white',
    top: 0,
    right: 0,
    bottom: 0,
    left: 0
  },
  sliceActions: {
    listStyleType: 'none'
  }
};

class Interface extends React.Component {
  static defaultProps = {
    width: 720,
    height: 480,
    printers: printerSettings,
    defaultPrinter: 'ultimaker2'
  };
  static propTypes = {
    geometry: (props, propName) => {
      if (!(props[propName].isGeometry || props[propName].isBufferGeometry)) {
        throw new Error('invalid prop, is not geometry');
      }
    },
    width: PropTypes.number.isRequired,
    height: PropTypes.number.isRequired,
    classes: PropTypes.objectOf(PropTypes.string),
    printers: PropTypes.object.isRequired,
    defaultPrinter: PropTypes.string.isRequired,
    onCompleteActions: PropTypes.arrayOf(PropTypes.shape({ title: PropTypes.string, callback: PropTypes.func })).isRequired,
  };
  state = {
    controlMode: 'translate',
    isSlicing: false,
    sliced: false
  };

  constructor(props) {
    super(props);
    this.state = {
      printer: props.defaultPrinter
    };
  }


  componentDidMount() {
    const { canvas } = this.refs;
    const scene = createScene(canvas, this.props, this.state);
    this.setState(scene);
  }

  resetMesh = () => {
    const { mesh, render } = this.state;
    if (mesh) {
      mesh.position.set(0, 0, 0);
      mesh.scale.set(1, 1, 1);
      mesh.rotation.set(0, 0, 0);
      mesh.updateMatrix();
      placeOnGround(mesh);
      render();
    }
  };

  reset = () => {
    const { control, mesh, render, gcode, scene } = this.state;
    control.visible = true;
    mesh.visible = true;

    scene.remove(gcode.linePreview);
    gcode.linePreview.geometry.dispose();

    this.setState({ sliced: false, gcode: null });
    render();
  };

  slice = async () => {
    const { mesh, render, scene, control, printer } = this.state;
    const settings = {
      ...baseSettings,
      ...materialSettings.pla,
      ...printerSettings[printer]
    };

    const { dimensions } = settings;
    const centerX = dimensions.x / 2;
    const centerY = dimensions.y / 2;

    const geometry = mesh.geometry.clone();
    mesh.updateMatrix();

    this.setState({ isSlicing: true, progress: { actions: [], percentage: 0 } });

    const matrix = new THREE.Matrix4().makeTranslation(centerY, 0, centerX).multiply(mesh.matrix);
    const gcode = await sliceGeometry(settings, geometry, matrix, false, true, ({ progress }) => {
      this.setState({ progress: {
        actions: [...this.state.progress.actions, progress.action],
        percentage: progress.done / progress.total
      } });
    });

    this.setState({ isSlicing: false });

    // TODO
    // can't disable control ui still interacts with mouse input
    control.visible = false;
    mesh.visible = false;

    gcode.linePreview.position.x = -centerY;
    gcode.linePreview.position.z = -centerX;
    scene.add(gcode.linePreview);

    this.setState({ sliced: true, gcode });
    render();
  };

  updateDrawRange = (event) => {
    const { gcode, render } = this.state;
    gcode.linePreview.geometry.setDrawRange(0, event.target.value);
    render();
  };

  componentWillUnmount() {
    if (this.state.editorControls) this.state.editorControls.dispose();
    if (this.state.control) this.state.control.dispose();
  }

  componentWillUpdate(nextProps, nextState) {
    const { control } = this.state;
    if (control && nextState.controlMode !== this.state.controlMode) control.setMode(nextState.controlMode);
  }

  render() {
    const { width, height, classes, onCompleteActions } = this.props;
    const { sliced, isSlicing, progress, gcode } = this.state;

    return (
      <div style={{ width, height }} className={classes.container}>
        <canvas className={classes.canvas} ref="canvas" width={width} height={height} />
        {!sliced && <div className={classes.controlBar}>
          <button onClick={this.resetMesh}>Reset</button>
          <button onClick={() => this.setState({ controlMode: 'translate' })}>Translate</button>
          <button onClick={() => this.setState({ controlMode: 'rotate' })}>Rotate</button>
          <button onClick={() => this.setState({ controlMode: 'scale' })}>Scale</button>
        </div>}
        {sliced && <div className={classes.controlBar}>
          <input
            type="range"
            step="2"
            min="1"
            max={gcode.linePreview.geometry.getAttribute('position').count}
            defaultValue={gcode.linePreview.geometry.getAttribute('position').count}
            onChange={this.updateDrawRange}
          />
        </div>}
        {!sliced && <div className={classes.sliceBar}>
          <button onClick={this.slice}>Slice</button>
        </div>}
        {sliced && <div className={classes.sliceBar}>
          <button onClick={this.reset}>Slice Again</button>
          {onCompleteActions.map(({ title, callback }, i) => (
            <button key={i} onClick={() => callback(gcode.gcode)}>{title}</button>
          ))}
        </div>}
        {isSlicing && <div className={classes.overlay}>
          <p>Slicing: {progress.percentage.toLocaleString(navigator.language, { style: 'percent' })}</p>
          <ul className={classes.sliceActions}>
            {progress.actions.map((action, i) => <li key={i}>{action}</li>)}
          </ul>
        </div>}
      </div>
    );
  }
}

export default injectSheet(styles)(Interface);