<div id="home-animation-wrapper" style="opacity: 0">
  
  <div class="slides">
    <div class="slide" count="0" data-1="WE ARE" data-2="thinkers" data-3="+Doers"></div>
    <div class="slide" count="1" data-1="WE ARE" data-2="optimists" data-3="+realists"></div>
    <div class="slide" count="2" data-1="WE ARE" data-2="willing" data-3="+able"></div>
  </div>
  
  <svg version="1.1" id="home-animation" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"  width="2371.2px" height="841.1px" viewBox="0 0 2371.2 841.1"  xml:space="preserve">
  <!-- <defs>
    <filter id="text-filter" filterUnits="userSpaceOnUse" x="-273" y="-353.2" width="3011.9" height="1453">
      <feColorMatrix  type="matrix" values="1 0 0 0 0  0 1 0 0 0  0 0 1 0 0  0 0 0 1 0"/>
    </filter>
  </defs>-->

  <!-- TEXTS -->
  <mask maskUnits="userSpaceOnUse" x="-273" y="-353.2" width="3011.9" height="1453" id="bubbles-1">
    <g id="svg-texts" >
      <text transform="matrix(1 0 0 1 62.9893 251.1275)" style="fill:#FFFFFF; font-family:'Source Sans Pro';font-weight: 900; font-size:379.144px;">WE ARE</text>
      <text transform="matrix(1 0 0 1 62.9893 544.8433)" style="fill:#FFFFFF; font-family:'Source Sans Pro';font-weight: 900; font-size:379.144px;">WE ARE</text>
      <text transform="matrix(1 0 0 1 62.9893 838.5591)" style="fill:#FFFFFF; font-family:'Source Sans Pro';font-weight: 900; font-size:379.144px;">WE ARE</text>
    </g>
  </mask>

  <!-- BUBBLES -->
  <g id="bubbles" style="mask:url(#bubbles-1);">
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  </g>
</svg>

</div>

@import url('https://fonts.googleapis.com/css?family=Source+Sans+Pro:700,900');

body {
  margin: 0;
}

#home-animation-wrapper {
  width: 100%;
  height: 100vh;
  position: relative;
  float: left;
  cursor: pointer;
  svg{
    width: 100%;
    max-height: 90%;
    height: auto;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    #bubbles {
      path {
        // background-blend-mode: multiply;
      }
    }
  }
}

var TextSlider = function(){
  this.container = $('#home-animation-wrapper');
  this.currentSlide = 1;
  this.slidesLength = this.container.find('.slide').length - 1; // To start at 0
  this.content = { text1: '', text2: '', text3: ''};
  
  this.allowChange = true;
  
  this.init();
};

TextSlider.prototype = {
  
  init: function(){
    console.log('init');
    
    this.bind();

    this.initSvg();
    
  },
  
  bind: function(){
    console.log('bind');

    var self = this;
    
    // Bind interval
    var timerDuration = 5000,
        timer = setInterval(function(){
          self.resetSlide();
        }, timerDuration);

    // Bind restart on click with next slide
    this.container.on('click', function(){
      
      // Do not allow to change slide until last transition is complete
      if(!self.allowChange){ return; }
      self.allowChange = false;
      setTimeout(function(){
        self.allowChange = true;
      }, 2000);
      
      self.resetSlide();
      
      clearInterval(timer);
      timer = setInterval(function(){
          self.resetSlide();
        }, timerDuration);

      
    });
    

  },
  
  initSvg: function(){
    console.log('initSvg');
    
    this.bubblesRandomColors();
    this.setTexts();
    this.bubblesMovement();
    
    // Trigger First slide
    this.triggerSlide();
  },
  
  setTexts: function(){
    console.log('setTexts');
    
    var texts = this.container.find('#svg-texts');
    
    // Get texts
    this.content.text1 = this.container.find('.slide[count="'+this.currentSlide+'"]').attr('data-1');
    this.content.text2 = this.container.find('.slide[count="'+this.currentSlide+'"]').attr('data-2');
    this.content.text3 = this.container.find('.slide[count="'+this.currentSlide+'"]').attr('data-3');
    
    // UpperCase Texts
    this.content.text1 = this.content.text1.toUpperCase();
    this.content.text2 = this.content.text2.toUpperCase();
    this.content.text3 = this.content.text3.toUpperCase();
    
    // Append Texts
    texts.find('text:nth-child(1)').html(this.content.text1);
    texts.find('text:nth-child(2)').html(this.content.text2);
    texts.find('text:nth-child(3)').html(this.content.text3);
  },
  
  bubblesRandomColors: function(){
    console.log('bubblesRandomColors');
    
    var bubblesGroup = this.container.find('#bubbles'),
        // colors = ['#03ee93','#ff0700','#ffe700','#5306de'];
        colors = ['#f5a147','#51cad8','#112b39'];
    
    bubblesGroup.find('path').each(function(){
      var rand = getRand(0,colors.length);
      TweenMax.set(this, { fill: colors[rand], scale: 0, transformOrigin: 'center' });
    })    
  },
  
  triggerSlide: function(){
    console.log('triggerSlide');
    
    // Container loads invisible, needs this to be shown on the first iteration
    TweenMax.set(this.container, { autoAlpha: 1 });

    var bubbles =  this.container.find('#bubbles path');
    bubbles.each(function(){
      var rotateRand = getRand(-30,30);
      TweenMax.to(this,1.5, { scale: 1.2, rotation: rotateRand, ease: Power2.easeInOut});
    })
  },
  
  resetSlide: function(){
    console.log('hideSlide');

    var self = this;
    
    this.currentSlide++;
    if(this.currentSlide > this.slidesLength){ this.currentSlide = 0; };
    
    var bubbles = this.container.find('#bubbles path');
    TweenMax.to(bubbles,1.5, { scale: 0, ease: Power2.easeInOut, onComplete: triggerContinue });
    
    // Workaround gsap onComplete
    function triggerContinue(){
      self.initSvg();
    }
  },
  
  // non used function (performance) (remove the 'return' to enable)
  bubblesMovement: function(){
    
    return; // Yup, this one
    
    var bubbles = this.container.find('#bubbles path'),
        count = 500;
    
    bubbles.each(function(index){
      if(index > count ) { return; }
      $(this).attr('data-rand', getRand(15, 25) );
    });
    
    this.container.on('mousemove', function(e){
      bubbles.each(function(){
        if(!$(this).attr('data-rand')){ return; };
        
        var rand = $(this).attr('data-rand'),
            cy = e.pageY,
            cx = e.pageX,
            py = Math.round($(this).offset().top),
            px = Math.round($(this).offset().left),
            x = Math.round(-(cx + px) / rand),
            y = Math.round(-(cy + py) / rand);

        TweenMax.to($(this), 0.2, { x: x, y: y, transformOrigin: 'center' });
      });
    })
  }
}

function getRand(min, max) {
  min = Math.ceil(min);
  max = Math.floor(max);
  return Math.floor(Math.random() * (max - min)) + min; 
}

window.LLOS = window.LLOS || {};
if($('#home-animation-wrapper').length){
  window.LLOS.TextSlider = new TextSlider();
}