var browser require airplay createBrowser var charm require charm var

var browser = require('airplay').createBrowser();
var charm = require('charm');
var keypress = require('keypress');
var timespan = require('timespan');

keypress(process.stdin);


browser.on('deviceOnline', function(device) {
  browser.stop();
  playOnDevice(device);
});

browser.start();

function formatTime(seconds) {

  function pad(n, z) {
    z = z || '0';
    n = n + '';
    return n.length >= 2 ? n : new Array(2 - n.length + 1).join(z) + n;
  }

  var t = timespan.fromSeconds(seconds);
  if (!t) return "";
  var timeString = pad(t.minutes) + ':' + pad(t.seconds);
  if (t.hours) {
    timeString = t.hours + ':' + timeString;
  }
  return timeString;
}

function ProgressBar(device) {
  this.device = device;
  this.total = 100;
  this.position = 0;
  this.charm = charm();
  this.charm.pipe(process.stdout);

  process.stdin.on('keypress', function(ch, key) {
    this.charm.delete('char', 1);
    if (key && key.ctrl && key.name == 'c') {
      console.log('\n');
      process.exit(0);
    }

    var digit = parseInt(ch);

    if (ch && (ch.length == 1) && digit > 0 && digit < 10) {
      this.device.scrub(this.total / 10 * digit);
    } else if (key.name == 'space') {
      console.log(this.device);
      if (this.device.rateValue !== 0) {
        this.device.rate(0);
        this.device.rateValue = 0;
      } else {
        this.device.rate(1);
        this.device.rateValue = 1;
      }
    } else if (key.name == 'right') {
      this.device.rateValue = Math.min(10, this.device.rateValue + 1);
      this.device.rate(this.device.rateValue);
    } else if (key.name == 'left') {
      // todo: reverse
      this.device.rateValue = Math.max(-10, this.device.rateValue - 1);
      this.device.rate(this.device.rateValue);
    }

    this.draw();

  }.bind(this));


  process.stdin.setRawMode(true);

  process.stdin.resume();
  this.charm.write('\n\n\n');
}

ProgressBar.prototype.draw = function() {
  this.charm.background('black');
  this.charm.left(999);
  this.charm.erase('line');
  this.charm.write('Contols: 1-9 seek, t go to time, space pause');
  this.charm.left(999);
  this.charm.down(1);
  this.charm.erase('line');

  var current = formatTime(this.position);

  this.charm.background('blue');

  function getSymbol(pos, self) {
    if (pos < Math.round(self.position / self.total * 100)) {
      self.charm.background('blue');
      self.charm.foreground('white');
    } else {
      self.charm.background('white');
      self.charm.foreground('black');
    }

    if (!current || current.length <= 0) {
      return " ";
    }

    var before = Math.ceil(current.length / 2);
    var after = Math.floor(current.length / 2);
    if ((pos > (50 - before)) && (pos < (50 + after))) {
      var index = pos - (50 - before);
      return current[pos - (50 - before)];
    }
    return " ";
  }

  for (var i = 0; i < 100; ++i)
    this.charm.write(getSymbol(i, this));
  this.charm.background('black');
  this.charm.right(1);

  this.charm.background('black');
  this.charm.foreground('white');
  if (this.total) {
    this.charm.write(formatTime(this.total));
  }
  this.charm.down(1);
  this.charm.left(999);
  this.charm.erase('line');
  this.charm.write('State: ');
  this.charm.write('Playing');
  this.charm.up(1);
  this.charm.up(1);
  this.charm.left(999);

};


function playOnDevice(device) {
  var content = 'https://r15---sn-nwj7knlz.googlevideo.com/videoplayback?dur=581.520&sver=3&key=yt5&ms=au&cwbhb=yes&initcwndbps=1637500&mv=m&sparams=cwbhb%2Cdur%2Cid%2Cinitcwndbps%2Cip%2Cipbits%2Citag%2Cmime%2Cmm%2Cms%2Cmv%2Cratebypass%2Crequiressl%2Csource%2Cupn%2Cexpire&source=youtube&itag=22&upn=ywYBgMgOEx0&mm=31&signature=13A203BEAE899E7FF6A154B5F13A3C2ED7D86832.9660E1B0427375F5B088336D620340B7922C8F30&mt=1419669460&expire=1419691116&mime=video%2Fmp4&id=o-AAeH9gKlDHd03haEYJYmcDUI230ojFrdYsXwT9J_7TCk&fexp=900718%2C904732%2C904844%2C914951%2C924621%2C927622%2C932404%2C936117%2C941004%2C943607%2C943917%2C947209%2C947218%2C948124%2C952302%2C952605%2C952808%2C952901%2C955301%2C957103%2C957105%2C957201&ipbits=0&ratebypass=yes&requiressl=yes&ip=50.152.158.217';
  //var content = 'http://cs518604v4.vk.me/u148196065/videos/2aede8152d.720.mp4?extra=eMUsc6gJD6MpId6zDLN8QCzL2uxck_scnoD-9-aQYMf58nqgaO5vdrBtN4pAZRdBOYuOegNKyBxqIxHmtEglzzPdnGFXEK1u0Q';
  var startPosition = 0;

  console.log(device);
  device.play(content, startPosition, function(res) {
    console.log(content);
    if (res) {

    } else {
      console.error('failed to play file on device');
    }

    var bar = new ProgressBar(device);
    setInterval(function() {
      device.status(function(res) {

        /*
 { duration: 8453.597,
  position: 61.601224606,
  rate: 1,
  playbackBufferEmpty: true,
  playbackBufferFull: false,
  playbackLikelyToKeepUp: true,
  readyToPlay: true,
  loadedTimeRanges: [ { duration: 1242.302263006, start: 0.041736994 } ],
  seekableTimeRanges: [ { duration: 8453.597, start: 0 } ] }
  */
        device.lastStatus = res;
        device.rateValue = res.rate;
        bar.total = res.duration;
        bar.position = res.position;
        bar.draw();
      });
    }, 300);
  });
}