import React from 'react';
import Grid from './grid/grid';
import GridControl from './grid/grid-control';

class MineSeeker extends React.Component {
  constructor(props) {
    super(props);

    let gameAssoc = '' !== props.gameId ? props.gameId : this.makeGameAssoc(50);
    let channel = 'mineseeker/channel/' + gameAssoc;

    this.state = {
      env: props.env,
      ssl: props.ssl,
      gameInherited: '' !== props.gameId,
      gameAssoc: gameAssoc,
      channel: channel,
      session: null,
      createGrid: false,
      stepCache: [],
      connectionLost: false,
      end: false,
    };
  }

  makeGameAssoc(len) {
    let text = '';
    let possible = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
    for (let i = 0; i < len; i++) {
      text += possible.charAt(Math.floor(Math.random() * possible.length));
    }
    return text;
  }

  currectGridSize() {
    let $field = $('#mine-wrapper .grid');
    $field.height($field.width());

    $field = $('#mine-wrapper .grid .field-wrapper');
    $field.height($field.width());

    $('#mine-wrapper .grid .field-wrapper .field')
      .height($field.width())
      .css('line-height', ($field.width() - 2) + 'px');
  }

  /**
   * STEP
   *
   * @param coords
   * @returns {{red: *, blue: *}}
   */
  makePointsCalcAndStep(coords) {
    let users = this.refs.gridControl.refs.userControl,
      activePlayer = users.state.activePlayer ? 'blue' : 'red',
      inactivePlayer = users.state.activePlayer ? 'red' : 'blue',
      redPoints = 'red' === activePlayer
        ? users.refs[activePlayer].state.mines
        : users.refs[inactivePlayer].state.mines,
      bluePoints = 'blue' === activePlayer
        ? users.refs[activePlayer].state.mines
        : users.refs[inactivePlayer].state.mines;

    this.refs.gridControl.stepEvent(coords);

    let mineCache = this.refs.gridControl.state.foundUserMineCache;
    redPoints += 'red' === activePlayer ? mineCache : 0;
    bluePoints += 'blue' === activePlayer ? mineCache : 0;

    return { red: redPoints, blue: bluePoints };
  }

  /**
   * START
   *
   * @param payload
   */
  makeGameStart(payload) {
    /** every time the blue starts */
    this.refs.gridControl.refs.userControl.setState({ activePlayer: 1 });

    /** Set up player names w/ server data */
    this.refs.gridControl.refs.userControl.refs.red.setState({
      name: '' !== payload.users.red ? payload.users.red : payload.users.redAnon,
    });

    this.refs.gridControl.refs.userControl.refs.blue.setState({
      name: '' !== payload.users.blue ? payload.users.blue : payload.users.blueAnon,
      desc: 'blue' === this.refs.gridControl.state.webPlayer
        ? this.refs.gridControl.state.desc.you
        : this.refs.gridControl.state.desc.buddy,
      active: true,
    });

    this.refs.gridControl.setState({ overlay: false });
  }

  /**
   * THE END
   *
   * @param bluePoints
   * @param redPoints
   * @param resign
   */
  makeGameEndIfItEnds(bluePoints, redPoints, resign = false) {
    let redWins = 25 < redPoints,
      blueWins = 25 < bluePoints;

    if (redWins || blueWins || resign) {
      this.refs.gridControl.state.sound.won.play();

      if (false === resign) {
        this.refs.gridControl.setState({
          overlay: true,
          overlayTitle: (redWins ? 'Red' : 'Blue') + ' wins the game!',
          overlaySubTitle: 'Play again!',
        });
      }

      this.refs.gridControl.showLeftMines();

      this.refs.gridControl.refs.userControl.setState({ activePlayer: false });
      this.refs.gridControl.refs.userControl.refs.red.setState({ desc: '' });
      this.refs.gridControl.refs.userControl.refs.blue.setState({ desc: '' });
    }
  }

  resignProcess(color) {
    this.refs.gridControl.setState({
      overlay: true,
      overlayTitle: color === this.refs.gridControl.state.webPlayer
        ? 'You have been give up'
        : 'Your opponent has been resigned',
      overlaySubTitle: color === this.refs.gridControl.state.webPlayer
        ? 'You LOSE!'
        : 'You WIN!',
    });

    this.setState({ end: true });

    this.makeGameEndIfItEnds(0, 0, true);
  }

  clickResign() {
    /** PUBLISH */
    this.state.session.publish(this.state.channel, {
      'resign': this.refs.gridControl.refs.userControl.state.activePlayer ? 'blue' : 'red',
    });
    this.resignProcess(this.refs.gridControl.state.webPlayer);
  }

  clickResignCancel() {
    this.refs.gridControl.setState({
      overlay: false,
    });
  }

  /** RESIGN */
  resign() {
    let users = this.refs.gridControl.refs.userControl,
      activePlayer = users.state.activePlayer ? 'blue' : 'red';

    if (this.refs.gridControl.state.webPlayer === activePlayer) {
      this.refs.gridControl.setState({
        overlay: true,
        overlayTitle: 'Are u sure u want to resign?!',
        overlaySubTitle: (
          <div className="resign">
            <a onClick={this.clickResign.bind(this)}>Yes</a>
            <a onClick={this.clickResignCancel.bind(this)}>No!</a>
          </div>
        ),
      });
    }
  }

  /**
   * @see https://developers.facebook.com/docs/reference/javascript/FB.getLoginStatus
   * @see https://developers.facebook.com/docs/sharing/reference/send-dialog
   * @see https://developers.facebook.com/docs/plugins/share-button/
   */
  clickFBShare() {
    let display = 'popup';

    FB.getLoginStatus(function(response) {
      display = 'connected' === response.status
        ? 'dialog'
        : 'popup';
    });

    FB.ui({
      method: 'send',
      display: display,
      link: window.location.href + '/' + this.state.gameAssoc,
    });
  }

  wInit(session, gridServer, gridClient) {
    this.setState({ session: session });

    /** save session to GridControl */
    /** render grid fields - @see #12 */
    this.refs.gridControl.setState({
      grid: this.state.gameInherited ? gridServer : gridClient,
      channel: this.state.channel,
      desc: {
        buddy: (
          <div>
            Your buddy is <br />
            making a <br />
            move.
          </div>
        ),
        you: (
          <div>
            It is your turn! <br />
            Make a move.
          </div>
        ),
      },
      overlay: true,
      overlayTitle: 'We are waiting for your opponent...',
      overlaySubTitle: this.state.gameAssoc
        ? (
          <div>
            <h3>Share this unique link w/ your opponent</h3>
            <div className="clippy">
              <input
                id="foo"
                defaultValue={window.location.href + '/' + this.state.gameAssoc}
              />
            </div>
            {'dev' !== this.state.env
              && <a onClick={this.clickFBShare.bind(this)}>Share in Facebook message</a>
            }
            {'dev' === this.state.env
              && <a href={'/play/' + this.state.gameAssoc} target="_blank">Play w/ me!</a>
            }
          </div>
        ) : '',
      renderGridFields: this.state.gameAssoc,
    });
  }

  wSubscribe(payload, rpcUsers = null) {
    'dev' === this.state.env && console.info(
      ('undefined' !== typeof payload.user ? payload.user : 'user') + ' has been subscribed to the channel!',
    );

    let firstUser = !rpcUsers;

    null === this.refs.gridControl.state.webPlayer && this.refs.gridControl.setState({
      webPlayer: payload.user === payload.users.blue
      || (
        firstUser && '' !== payload.users.blueAnon
        || !firstUser && ('' === rpcUsers.blueAnon && '' === rpcUsers.blue)
      )
        ? 'blue' : 'red',
    });

    /** rwd */
    (900 > $(document).width()) && this.currectGridSize();

    /** every user has been came */
    if (
      2 === payload.userCnt
      && (
        !this.state.connectionLost
        || this.state.connectionLost && false === this.refs.gridControl.refs.userControl.state.activePlayer && !this.state.end
      )
    ) {
      this.makeGameStart(payload);
    }
  }

  wUnsubscribe(payload) {
    'dev' === this.state.env && console.info(payload.msg);

    this.refs.gridControl.setState({
      overlay: true,
      overlayTitle: 'The connection has been lost w/ your friend...',
      overlaySubTitle: 'Please, restart the game!',
    });
  }

  wTopic(payload) {
    /** Auto-Step if this player is not the current user */
    if (this.refs.gridControl.state.webPlayer !== payload.data.player) {
      if (null === payload.data.resign) {
        'dev' === this.state.env && console.warn(payload.user + ' has been stepped to coords: ' + payload.data.coords[0] + ', ' + payload.data.coords[1]);
        'dev' === this.state.env && console.warn('Opponent stepped: Auto-Step process');

        this.refs.gridControl.refs.userControl.setState({ bombSelected: payload.data.bomb });

        /** STEP */
        let points = this.makePointsCalcAndStep(payload.data.coords);

        /** THE END */
        this.makeGameEndIfItEnds(points.blue, points.red);
      } else {
        /** RESIGN */
        /** THE END */
        this.resignProcess(payload.data.resign);
      }
    }
  }

  /** Connect - Subscribe */
  subscribe(rpcUsers = null) {
    this.state.session.subscribe(
      this.state.channel,
      (uri, payload) => {
        let isTopicEvent = 'undefined' !== typeof payload.data,
          isNotUnsubscribe = 'undefined' === typeof payload.msg;

        /** CONNECTION */
        if (isTopicEvent) {
          this.wTopic(payload);
        } else {
          if (isNotUnsubscribe) {
            this.wSubscribe(payload, rpcUsers);
          } else {
            this.wUnsubscribe(payload);
          }
        }

        /** RECONNECTION */
        if (2 === payload.userCnt && this.state.connectionLost) {
          'dev' === this.state.env && console.info('Reconnection process');

          /** PUBLISH */
          let cache = this.state.stepCache;
          cache.forEach(item => this.state.session.publish(this.state.channel, item));
          this.setState({ connectionLost: false, stepCache: [] });
        }
      });
  }

  connectWithWebsocket() {
    /** Create Websocket w/ Bahnhof.js */
    let websocket = WS.connect(
      ('true' === this.state.ssl ? 'wss' : 'ws') + '://' + window.location.hostname + '/ws/',
    );

    /**
     * Connect
     * Session is an Autobahn JS WAMP session.
     */
    websocket.on('socket/connect', session => {
      'dev' === this.state.env && console.info('Successfully connected to the Server!');

      if (!this.state.connectionLost) {
        let gridClient = this.state.gameInherited || new Grid().state.grid;

        /**
         * Connect - RPC
         * Send grid information to the server
         */
        session
          .call(
            this.state.gameInherited ? 'mineseeker-rpc/connectGame' : 'mineseeker-rpc/startGame',
            this.state.gameInherited ? this.state.gameAssoc : [window.btoa(JSON.stringify(gridClient)), this.state.gameAssoc],
          )
          .then(
            data => {
              'dev' === this.state.env && console.info('RPC has been called');

              let serverData = true !== data[0]
                ? JSON.parse(window.atob(data))
                : data;

              /** Check the grid if the user is inherited @see #30 */
              if ((this.state.gameInherited && 'undefined' !== typeof serverData.grid) || !this.state.gameInherited) {
                this.wInit(session, serverData.grid, gridClient);
                this.subscribe(this.state.gameInherited && serverData.users);
              } else {
                this.refs.gridControl.setState({
                  overlay: true,
                  overlayTitle: 'This channel does not exists!',
                  overlaySubTitle: <a href="/play" target="_self">Restart game!</a>,
                });

                console.error('This channel does not exists!');
              }
            },
            (error, desc) => 'dev' === this.state.env && console.error(['RPC Error', error, desc]),
          );
      } else {
        this.setState({ session: session });
        this.subscribe();
      }
    });

    /**
     * DisConnect
     * Error provides us with some insight into the disconnection: error.reason and error.code
     */
    websocket.on('socket/disconnect', error => {
      'dev' === this.state.env && console.error('Disconnected for ' + error.reason + ' with code ' + error.code);

      6 === error.code && this.setState({ connectionLost: true });
      3 === error.code && setTimeout(this.componentDidMount.bind(this), 500);
    });
  }

  /** After rendering */
  componentDidMount() {
    this.connectWithWebsocket();
  }

  /**
   * Cache the steps unless reconnection
   *
   * @param dataPack
   */
  cachePublish(dataPack) {
    let cache = this.state.stepCache;
    cache.push(dataPack);
    this.setState({ stepCache: cache });
  }

  onClick(coords) {
    let activePlayer = this.refs.gridControl.refs.userControl.state.activePlayer ? 'blue' : 'red';

    /** if the clicked field is NEVER CLICKED */
    if (this.refs.gridControl.checkFieldHasBeenNeverClicked(coords[0], coords[1])) {
      /** Player step and it is the current player */
      if (activePlayer === this.refs.gridControl.state.webPlayer) {
        /** STEP */
        let points = this.makePointsCalcAndStep(coords);

        /** THE END */
        this.makeGameEndIfItEnds(points.blue, points.red);

        let dataPack = {
          'coords': coords,
          'player': activePlayer,
          'bomb': this.refs.gridControl.refs.userControl.state.bombSelected,
          'redPoints': points.red,
          'bluePoints': points.blue,
          'resign': null,
          'redExplodedBomb': 'red' === activePlayer && this.refs.gridControl.refs.userControl.state.bombSelected,
          'blueExplodedBomb': 'blue' === activePlayer && this.refs.gridControl.refs.userControl.state.bombSelected,
        };

        /** PUBLISH */
        !this.state.connectionLost
          ? this.state.session.publish(this.state.channel, dataPack)
          : this.cachePublish(dataPack);
      }
    }
  }

  render() {
    return (
      <GridControl
        ref="gridControl"
        env={'dev' === this.props.env}
        resign={this.resign.bind(this)}
        onClick={this.onClick.bind(this)}
      />
    );
  }
}

export default MineSeeker;