import Ember from 'ember';

export default Ember.Component.extend({

  classNames: ['player-component'],

  currentTime: "00:00",

  duration: "00:00",

  }),

  didInsertElement: function(){

    var _this = this;

    this.button = {

      play: this.$('#action_play'),

      progress: this.$('.progress')

    };

		this.$(document).on('touchmove', function(e){

			e.preventDefault();

		});

		// seeker

		this.button.progress.on('mousedown', function(e){

			var r = _this.rotation(e.pageX, e.pageY);

			_this.updateProgress(r);

			_this.changeTime(r/360*100);

		});

    this.audio.addEventListener('loadedmetadata',function (){

      var minutes = Math.floor( _this.audio.duration / 60);

      var seconds =  Math.floor(_this.audio.duration) % 60;

      _this.set('duration', ('0' + minutes).slice(-2)+':'+('0' + seconds).slice(-2));

    });

		// update bar onchange

		this.audio.addEventListener('timeupdate',function (){

			var curtime = _this.audio.currentTime,

				percent = (curtime/_this.audio.duration)*100,

				deg = 360/100*percent,

        minutes = Math.floor( curtime / 60),

        seconds =  Math.floor(curtime) % 60;

      _this.set('currentTime', ('0' + minutes).slice(-2)+':'+('0' + seconds).slice(-2));

			_this.updateProgress(deg);

		});

		// when the audio has finished playing

		this.audio.addEventListener('ended', function(){

      _this.pause();

      _this.changeTime(0);

      _this.updateProgress(0);

		});

  },

  // change seeked time

  changeTime: function(percent){

    var t = (this.audio.duration*percent)/100;

    this.audio.currentTime = t;

  },

  updateProgress: function(deg){

    var $slice = this.$('.slice');

    if (deg > 180 && !$slice.is('.gt50')) {

      $slice.addClass('gt50');

      $slice.append('<div class="pie fill"></div>');

    } else if (deg < 180 && $slice.is('.gt50')) {

      $slice.removeClass('gt50');

      $slice.find('.fill').remove();

    }

    $slice.find('.pie').css({

      '-moz-transform':'rotate('+deg+'deg)',

      '-webkit-transform':'rotate('+deg+'deg)',

      '-o-transform':'rotate('+deg+'deg)',

      'transform':'rotate('+deg+'deg)'

    });

  },

  rotation: function(x,y){

    var offset = this.button.progress.offset();

    var button_centerX = (offset.left) + (this.button.progress.width()/2);

    var button_centerY = (offset.top) + (this.button.progress.height()/2);

    var radians = Math.atan2(x - button_centerX, y - button_centerY);

    var degree = Math.round( (radians * (180 / Math.PI) * -1) + 180 );

    return degree;

    //return (degree <= max ? degree : max);

  },

  play: function(){

    this.audio.play();

    this.button.play.addClass('playing');

    this.button.play.text('Pause');

  },

  pause: function(){

    this.audio.pause();

    this.button.play.removeClass('playing');

    this.button.play.text('Play');

  },

  actions: {

    tooglePlay: function(){

      if (this.button.play.is('.playing')) {

        this.pause();

      } else {

        this.play();

      }

    },

    prevNextDocument(change){

      this.sendAction("action", change);

    }

  }

});