// DC setup 
// notes:
// url defined in myspaceid apps page should have the format as shown below
// ex.: 
//       http://www.domainname.ext 
//   or 
//       http://www.domainname.ext/subfolder/
//
// server value :
// ex.: 
//       http://www.domainname.ext/
//       http://www.domainname.ext/sub-folder/
// like: 
//       http://www.theattiq.com/dc/
//
// realm value : 
// ex.: 
//       myspace/login/
// note: 
//       assumes that you have a myspace folder from the web root and 
//       you have a login sub-folder inside myspace folder (from web root)
// 
// MySpaceID Apps
// note: 
//       it seems that the valid format for external site settings are below
//       please note the extra '/' on sub-folder and for  external callbacks
//       it seems that myspace.com is adding the '/' at the end for callback
// ex.: 
//       external url : http://www.domainname.ext
//    or 
//       external url : http://www.domainname.ext/sub-folder/
// ex.: 
//       External Callback : http://www.domainname.ext/
//    or 
//       External Callback : http://www.domainname.ext/sub-folder/
//
// Relying Party Realm:
// like:
//       http://www.domainname.ext/myspace/login/
//       http://www.domainname.ext/myspace/
//       http://www.domainname.ext/sub-folder/myspace/login/
//       http://www.domainname.ext/sub-folder/myspace/
// ex.: 
//       http://www.theattiq.com/dc/
//       http://www.theattiq.com/dc/myspace/
//       http://www.theattiq.com/dc/myspace/login/
//
//                                                           noted: 2010-11-04


var msOptions = {

	api_base:'http://api.myspace.com/openid',

	server:"http://www.dawnofnations.com/",          //  tied to app registration

   realm:'myspace/login/',

	returnTo:'finish_auth.php',

	consumer:'73fdcb3fddc447debfbce330e7d11341',

	popupSize:{ width:580, height:350}

};

msOptions.popupPosition = {

	xOffset: function(){

		return(screen.width - msOptions.popupSize.width) / 2;

	},

	yOffset: function(){

		return (screen.height - msOptions.popupSize.height) / 2;

	}

};



/*

//creates an anonymous function at the doc root

(function(){



var

	// Will speed up references to window, and allows munging its name.

	window = this,

	// Will speed up references to undefined, and allows munging its name.

	undefined,

	// Map over MySpaceID in case of overwrite

	_MySpaceID = window.MySpaceID,

	// Map over the m$ in case of overwrite

	_m$ = window.m$,



	MySpaceID = window.MySpaceID = window.m$ = function( selector, context ) {

		// The MySpace object is actually just the init constructor 'enhanced'

		return new MySpaceID.fn.init( selector, context );

	};



};

)();

*/



//the myspaceid base object

MySpaceID = function (options){

var _obj = this;

_obj.options = options;



_obj.logIn = function(){

	window.open(

		MySpaceID.Util.getPopupUrl(_obj.options),

		'MySpaceID',

		MySpaceID.Util.getWindowSizeStr(_obj.options)

	);

};





return _obj;

};



//a bunch of static methods.

MySpaceID.Util = {



	getPopupUrl:function(options){

		var _url  = options.api_base + "?";

			_url += "openid.ns=" + MySpaceID.Util.urlencode("http://specs.openid.net/auth/2.0");

			_url += "&openid.ns.oauth=" + MySpaceID.Util.urlencode("http://specs.openid.net/extensions/oauth/1.0");

			_url += "&openid.oauth.consumer=" + MySpaceID.Util.urlencode(options.consumer);

			_url += "&openid.mode=checkid_setup";

			_url += "&openid.claimed_id=" + MySpaceID.Util.urlencode("http://specs.openid.net/auth/2.0/identifier_select");

			_url += "&openid.identity=" + MySpaceID.Util.urlencode("http://specs.openid.net/auth/2.0/identifier_select");

			_url += "&openid.return_to=" + MySpaceID.Util.urlencode(options.server + options.realm + options.returnTo);

			_url += "&openid.realm=" + MySpaceID.Util.urlencode(options.server + options.realm);

		return _url;

	},

	getWindowSizeStr:function(options){

		return	"width="	+options.popupSize.width+

			",height="	+options.popupSize.height+

			",left="	+options.popupPosition.xOffset()+

			",top="		+options.popupPosition.yOffset();

	},



	urlencode: function ( str ) {

	    // http://kevin.vanzonneveld.net

	    // +   original by: Philip Peterson

	    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)

	    // +      input by: AJ

	    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)

	    // +   improved by: Brett Zamir

	    // %          note: info on what encoding functions to use from: http://xkr.us/articles/javascript/encode-compare/

	    // *     example 1: urlencode('Kevin van Zonneveld!');

	    // *     returns 1: 'Kevin+van+Zonneveld%21'

	    // *     example 2: urlencode('http://kevin.vanzonneveld.net/');

	    // *     returns 2: 'http%3A%2F%2Fkevin.vanzonneveld.net%2F'

	    // *     example 3: urlencode('http://www.google.nl/search?q=php.js&ie=utf-8&oe=utf-8&aq=t&rls=com.ubuntu:en-US:unofficial&client=firefox-a');

	    // *     returns 3: 'http%3A%2F%2Fwww.google.nl%2Fsearch%3Fq%3Dphp.js%26ie%3Dutf-8%26oe%3Dutf-8%26aq%3Dt%26rls%3Dcom.ubuntu%3Aen-US%3Aunofficial%26client%3Dfirefox-a'



	    var histogram = {}, tmp_arr = [];

	    var ret = str.toString();



	    var replacer = function(search, replace, str) {

	        var tmp_arr = [];

	        tmp_arr = str.split(search);

	        return tmp_arr.join(replace);

	    };



	    // The histogram is identical to the one in urldecode.

	    histogram["'"]   = '%27';

	    histogram['(']   = '%28';

	    histogram[')']   = '%29';

	    histogram['*']   = '%2A';

	    histogram['~']   = '%7E';

	    histogram['!']   = '%21';

	    histogram['%20'] = '+';



	    // Begin with encodeURIComponent, which most resembles PHP's encoding functions

	    ret = encodeURIComponent(ret);



	    for (search in histogram) {

	        replace = histogram[search];

	        ret = replacer(search, replace, ret); // Custom replace. No regexing

	    }



	    // Uppercase for full PHP compatibility

	    return ret.replace(/(\%([a-z0-9]{2}))/g, function(full, m1, m2) {

	        return "%"+m2.toUpperCase();

	    });



	    return ret;

	}



};