(function(window, $){
  var PathvisioJs = function (element, options) {
    this._init(element, options)
  }

  var PathvisioJs_counter = 0;

  PathvisioJs.prototype._defaults = {}

  PathvisioJs.prototype._init = function(element, options) {
    this.$element = $(element).empty();
    this.options = $.extend(true, {}, this._defaults, options)

    // Make this instance unique
    this.instanceId = ++PathvisioJs_counter;

    // TEST
    this.$element.append('<span>Instance id: '+this.instanceId+'</span>')

    // Init render
    this._initRender()

    return this;
  }

  PathvisioJs.prototype._initRender = function() {
    var renderer = require('./renderer.js')

    renderer.init(this)
  }

  // Plugin entry point
  $.fn.pathvisiojs = function (option) {
    var _arguments = arguments

    return this.each(function () {
      var $this = $(this)
        , data = $this.data('pathvisiojs')
        , options = typeof option == 'object' && option

      if (!data) {
        $this.data('pathvisiojs', (data = new PathvisioJs(this, options)))
      }

      if (typeof option == 'string') {
        if (data[option] === undefined) {
          $.error("PathvisioJs has no such method")
        } else if (typeof data[option] !== typeof function(){}) {
          $.error("PathvisioJs." + option + " is not a function")
        } else if (option.charAt(0) == '_') {
          $.error("PathvisioJs." + option + " is a private function")
        } else {
          data[option].call(data, Array.prototype.slice.call(_arguments, 1))
        }
      }
    })
  }
})(window, jQuery)