/* main file */

// Why is it called main ? It only loads the libs !

if ( window.IriSP === undefined && window.__IriSP === undefined ) { 

  /**

    @class

    the object under which everything goes.        

  */

	IriSP = {}; 

  /** Alias to IriSP for backward compatibility */

	__IriSP = IriSP;

}

/* underscore comes bundled with the player and we need 

   it ASAP, so load it that way

*/

IriSP._ = window._.noConflict();

IriSP.underscore = IriSP._;

IriSP.getLib = function(lib) {

    return (

        IriSP.libFiles.useCdn && typeof IriSP.libFiles.cdn[lib] == "string"

        ? IriSP.libFiles.cdn[lib]

        : (

            typeof IriSP.libFiles.locations[lib] == "string"

            ? IriSP.libFiles.locations[lib]

            : (

                typeof IriSP.libFiles.inDefaultDir[lib] == "string"

                ? IriSP.libFiles.defaultDir + IriSP.libFiles.inDefaultDir[lib]

                : null

            )

        )

    )

}

IriSP.loadLibs = function( config, metadata_url, callback ) {

    // Localize jQuery variable

		IriSP.jQuery = null;

    var $L = $LAB.script(IriSP.getLib("jQuery")).script(IriSP.getLib("swfObject")).wait()

                .script(IriSP.getLib("jQueryUI"));

    if (config.player.type === "jwplayer" || config.player.type === "allocine") {

      // load our popcorn.js lookalike

      $L.script(IriSP.getLib("jwplayer"));

    } else {

      // load the real popcorn

      $L.script(IriSP.getLib("popcorn")).script(IriSP.getLib("popcorn.code"));

      if (config.player.type === "youtube") {

        $L.script(IriSP.getLib("popcorn.youtube"));

      } 

      if (config.player.type === "vimeo")

        $L.script(IriSP.getLib("popcorn.vimeo"));

      /* do nothing for html5 */

    }       

    /* widget specific requirements */

    for (var idx in config.gui.widgets) {

      if (config.gui.widgets[idx].type === "PolemicWidget" ||

          config.gui.widgets[idx].type === "StackGraphWidget" ||

          config.gui.widgets[idx].type === "SparklineWidget") {        

        $L.script(IriSP.getLib("raphael"));

      }

      if (config.gui.widgets[idx].type === "TraceWidget") {

          $L.script(IriSP.getLib("tracemanager"))

      }

    }

    // same for modules

    /*

    for (var idx in config.modules) {

      if (config.modules[idx].type === "PolemicWidget")

        $L.script(IriSP.getLib("raphaelJs"));

    }

    */

    $L.wait(function() {

      IriSP.jQuery = window.jQuery.noConflict( true );

      var css_link_jquery = IriSP.jQuery( "<link>", { 

        rel: "stylesheet", 

        type: "text/css", 

        href: IriSP.getLib("cssjQueryUI"),

        'class': "dynamic_css"

      } );

      var css_link_custom = IriSP.jQuery( "<link>", { 

        rel: "stylesheet", 

        type: "text/css", 

        href: config.gui.css,

        'class': "dynamic_css"

      } );

      css_link_jquery.appendTo('head');

      css_link_custom.appendTo('head');

      IriSP.setupDataLoader();

      IriSP.__dataloader.get(metadata_url, 

          function(data) {

            /* save the data so that we could re-use it to

               configure the video

            */

            IriSP.__jsonMetadata = data;

            callback.call(window) });

    });

};