MarshallOfSound/Google-Play-Music-Desktop-Player-UNOFFICIAL-

import { remote } from 'electron';
import React, { Component } from 'react';
import { findDOMNode } from 'react-dom';
import Dialog from './ThemedDialog';
import FlatButton from 'material-ui/FlatButton';
import TextField from 'material-ui/TextField';

export default class GoToModal extends Component {
  constructor(...args) {
    super(...args);

    this.state = {
      open: false,
    };
  }

  componentDidMount() {
    Emitter.on('gotourl', this.show);
  }

  componentWillUnmount() {
    Emitter.off('gotourl', this.show);
  }

  handleClose = () => {
    this.setState({
      open: false,
    });
  }

  show = () => {
    this.setState({
      open: true,
    });
    findDOMNode(this.refs.input).querySelector('input').focus();
  }

  go = () => {
    if (this.value) {
      this.parseURL(this.value);
    }
  }

  createRequest = (urlToResolve) =>
    new Request(urlToResolve, {
      method: 'HEAD',
      redirect: 'follow',
    });

  resolveURL = (url) => {
    const doResolve = (urlToResolve, redirectCount) => {
      if (redirectCount === 0) {
        return Promise.reject(new Error('Too many redirects'));
      }
      const request = this.createRequest(urlToResolve);
      return fetch(request)
        .then((response) => {
          if (response.status === 200) {
            return Promise.resolve(response.url);
          }
          return doResolve(response.url, redirectCount - 1);
        })
        .catch((err) => Promise.reject(err));
    };

    return doResolve(url, 10);
  }

  validURL = (url) => /https:\/\/play\.google\.com\/music/g.test(url);

  goToURL = (url) => {
    Emitter.fireAtGoogle('navigate:gotourl', url);
    this.handleClose();
  }

  attemptToResolveURL = (url) =>
    this.resolveURL(url)
      .then((resolvedURL) => {
        if (!this.validURL(resolvedURL)) return Promise.reject(resolvedURL);
        this.goToURL(resolvedURL);
        return Promise.resolve(resolvedURL);
      })
    .catch((err) => Promise.reject(err));

  parseURL = (url) => {
    if (url === 'DEV_MODE') {
      const ok = confirm('You have instructed GPMDP to restart in Dev Mode.' + // eslint-disable-line
              'Please be careful and only continue if you know ' +
              'what you are doing or have been told what to do by a project maintainer.');
      if (!ok) return;

      remote.app.relaunch({
        args: remote.process.argv.slice(1).concat(['--dev']),
      });
      remote.app.quit();
    } else if (url === 'DEBUG_INFO') {
      Emitter.fire('generateDebugInfo');
      this.handleClose();
    } else if (url === 'GDEVTOOLS') {
      window.openGPMDevTools();
      this.handleClose();
    } else {
      // see if the URL is good to go already
      if (this.validURL(url)) {
        this.goToURL(url);
      } else {
        // attempt to resolve the URL and test again
        this.attemptToResolveURL(url);
      }
    }
  }

  _onChange = (event, newValue) => {
    this.value = newValue;
  }

  _onKeyUp = (event) => {
    if (event.which === 13) {
      this.go();
    }
  }

  render() {
    const actions = [
      <FlatButton
        label={TranslationProvider.query('button-text-lets-go')}
        primary
        keyboardFocused
        onTouchTap={this.go}
      />,
    ];
    return (
      <Dialog
        actions={actions}
        open={this.state.open}
        onRequestClose={this.handleClose}
        modal={false}
      >
        <TextField
          ref="input"
          hintText={"E.g. https://play.google.com/music/listen"}
          floatingLabelText={TranslationProvider.query('modal-goToURL-title')}
          onKeyUp={this._onKeyUp}
          onChange={this._onChange}
          floatingLabelFixed
          fullWidth
        />
      </Dialog>
    );
  }
}