/**
 * @author 	Maxime Haineault (max@centdessin.com)
 * @version	0.3
 * @desc 	JavaScript cookie manipulation class
 * 
 */

var Url = {

    // public method for url encoding
    encode : function (string) {
        return escape(this._utf8_encode(string));
    },

    // public method for url decoding
    decode : function (string) {
        return this._utf8_decode(unescape(string));
    },

    // private method for UTF-8 encoding
    _utf8_encode : function (string) {
        string = string.replace(/\r\n/g,"\n");
        var utftext = "";

        for (var n = 0; n < string.length; n++) {

            var c = string.charCodeAt(n);

            if (c < 128) {
                utftext += String.fromCharCode(c);
            }
            else if((c > 127) && (c < 2048)) {
                utftext += String.fromCharCode((c >> 6) | 192);
                utftext += String.fromCharCode((c & 63) | 128);
            }
            else {
                utftext += String.fromCharCode((c >> 12) | 224);
                utftext += String.fromCharCode(((c >> 6) & 63) | 128);
                utftext += String.fromCharCode((c & 63) | 128);
            }

        }

        return utftext;
    },

    // private method for UTF-8 decoding
    _utf8_decode : function (utftext) {
        var string = "";
        var i = 0;
        var c = c1 = c2 = 0;

        while ( i < utftext.length ) {

            c = utftext.charCodeAt(i);

            if (c < 128) {
                string += String.fromCharCode(c);
                i++;
            }
            else if((c > 191) && (c < 224)) {
                c2 = utftext.charCodeAt(i+1);
                string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
                i += 2;
            }
            else {
                c2 = utftext.charCodeAt(i+1);
                c3 = utftext.charCodeAt(i+2);
                string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
                i += 3;
            }

        }

        return string;
    }

}

var Base64 = {

    // private property
    _keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",

    // public method for encoding
    encode : function (input) {
        var output = "";
        var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
        var i = 0;

        input = Base64._utf8_encode(input);

        while (i < input.length) {

            chr1 = input.charCodeAt(i++);
            chr2 = input.charCodeAt(i++);
            chr3 = input.charCodeAt(i++);

            enc1 = chr1 >> 2;
            enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
            enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
            enc4 = chr3 & 63;

            if (isNaN(chr2)) {
                enc3 = enc4 = 64;
            } else if (isNaN(chr3)) {
                enc4 = 64;
            }

            output = output +
            this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) +
            this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);

        }

        return output;
    },

    // public method for decoding
    decode : function (input) {
        var output = "";
        var chr1, chr2, chr3;
        var enc1, enc2, enc3, enc4;
        var i = 0;

        input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");

        while (i < input.length) {

            enc1 = this._keyStr.indexOf(input.charAt(i++));
            enc2 = this._keyStr.indexOf(input.charAt(i++));
            enc3 = this._keyStr.indexOf(input.charAt(i++));
            enc4 = this._keyStr.indexOf(input.charAt(i++));

            chr1 = (enc1 << 2) | (enc2 >> 4);
            chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
            chr3 = ((enc3 & 3) << 6) | enc4;

            output = output + String.fromCharCode(chr1);

            if (enc3 != 64) {
                output = output + String.fromCharCode(chr2);
            }
            if (enc4 != 64) {
                output = output + String.fromCharCode(chr3);
            }

        }

        output = Base64._utf8_decode(output);

        return output;

    },

    // private method for UTF-8 encoding
    _utf8_encode : function (string) {
        string = string.replace(/\r\n/g,"\n");
        var utftext = "";

        for (var n = 0; n < string.length; n++) {

            var c = string.charCodeAt(n);

            if (c < 128) {
                utftext += String.fromCharCode(c);
            }
            else if((c > 127) && (c < 2048)) {
                utftext += String.fromCharCode((c >> 6) | 192);
                utftext += String.fromCharCode((c & 63) | 128);
            }
            else {
                utftext += String.fromCharCode((c >> 12) | 224);
                utftext += String.fromCharCode(((c >> 6) & 63) | 128);
                utftext += String.fromCharCode((c & 63) | 128);
            }

        }

        return utftext;
    },

    // private method for UTF-8 decoding
    _utf8_decode : function (utftext) {
        var string = "";
        var i = 0;
        var c = c1 = c2 = 0;

        while ( i < utftext.length ) {

            c = utftext.charCodeAt(i);

            if (c < 128) {
                string += String.fromCharCode(c);
                i++;
            }
            else if((c > 191) && (c < 224)) {
                c2 = utftext.charCodeAt(i+1);
                string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
                i += 2;
            }
            else {
                c2 = utftext.charCodeAt(i+1);
                c3 = utftext.charCodeAt(i+2);
                string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
                i += 3;
            }

        }

        return string;
    }

}

Cookie = {	

	/** Get a cookie's value
	 *
	 *  @param integer	key		The token used to create the cookie
	 *  @return void
	 */
	get: function(key) {
		var regex = new RegExp(key + "s*=s*(.*?)(;|$)");  
		// Still not sure that "[a-zA-Z0-9.()=|%/]+($|;)" match *all* allowed characters in cookies
		tmp =  document.cookie.match(regex);
		if(!tmp || !tmp[0]) return null;
		else return unescape(tmp[0].substring(key.length+1,tmp[0].length).replace(';','')) || null;
		
	},	
	
	/** Set a cookie
	 *
	 *  @param integer	key		The token that will be used to retrieve the cookie
	 *  @param string	value	The string to be stored
	 *  @param integer	ttl		Time To Live (hours)
	 *  @param string	path	Path in which the cookie is effective, default is "/" (optional)
	 *  @param string	domain	Domain where the cookie is effective, default is window.location.hostname (optional)
	 *  @param boolean 	secure	Use SSL or not, default false (optional)
	 * 
	 *  @return setted cookie
	 */
	set: function(key, value, ttl, path, domain, secure) {
		cookie = [key+'='+    escape(value),
		 		  'path='+    ((!path   || path=='')  ? '/' : path),
		 		  'domain='+  ((!domain || domain=='')?  window.location.hostname : domain)];
		
		if (ttl)         cookie.push('expires='+Cookie.hoursToExpireDate(ttl));
		if (secure)      cookie.push('secure');
		return document.cookie = cookie.join('; ');
	},
	
	/** Unset a cookie
	 *
	 *  @param integer	key		The token that will be used to retrieve the cookie
	 *  @param string	path	Path used to create the cookie (optional)
	 *  @param string	domain	Domain used to create the cookie, default is null (optional)
	 *  @return void
	 */
	unset: function(key, path, domain) {
		path   = (!path   || typeof path   != 'string') ? '' : path;
        domain = (!domain || typeof domain != 'string') ? '' : domain;
		//if (Cookie.get(key)) 
		Cookie.set(key, '', 'Thu, 01-Jan-70 00:00:01 GMT', path, domain);
	},

	/** Return GTM date string of "now" + time to live
	 *
	 *  @param integer	ttl		Time To Live (hours)
	 *  @return string
	 */
	hoursToExpireDate: function(ttl) {
		if (parseInt(ttl) == 'NaN' ) return '';
		else {
			now = new Date();
			now.setTime(now.getTime() + (parseInt(ttl) * 60 * 60 * 1000));
			return now.toGMTString();			
		}
	},

	/** Return true if cookie functionnalities are available
	 *
	 *  @return boolean
	 */
	test: function() {
		Cookie.set('b49f729efde9b2578ea9f00563d06e57', 'true');
		if (Cookie.get('b49f729efde9b2578ea9f00563d06e57') == 'true') {
			Cookie.unset('b49f729efde9b2578ea9f00563d06e57');
			return true;
		}
		return false;
	},
	
	/** If Firebug JavaScript console is present, it will dump cookie string to console.
	 * 
	 *  @return void
	 */
	dump: function() {
		if (typeof console != 'undefined') {
			console.log(document.cookie.split(';'));
		}
	}
}

function setUserForComment() {
	var name64 = Cookie.get("acm--ning--sso");
	if (name64) {
		var name = Base64.decode(Url.decode(name64));
		var nl =name.split("||");
		$('#username').html(nl[0]);
		$('#namefield').attr("value",nl[0]);
		$('#namefieldtitle').attr("value",nl[1]);
	}
}

function setUserForCritico() {
	var name64 = Cookie.get("acm--ning--sso");
	if (name64) {
		var name = Base64.decode(Url.decode(name64));
		var nl =name.split("||");
		$('#usercritico').attr("value",nl[0]);
	}
	
}

function setWelcome() {
	var name64 = Cookie.get("acm--ning--sso");
	if (name64) {
		var name = Base64.decode(Url.decode(name64));
		var nl =name.split("||");
		$('#welcome').html("Ciao "+nl[0]);
	} 
	$('#welcome').show();
	
}