/**
 * @depends nothing
 * @name core.string
 * @package jquery-sparkle {@link http://www.balupton/projects/jquery-sparkle}
 */

/**
 * Return a new string with any spaces trimmed the left and right of the string
 * @version 1.0.0
 * @date June 30, 2010
 * @package jquery-sparkle {@link http://www.balupton/projects/jquery-sparkle}
 * @author Benjamin "balupton" Lupton {@link http://www.balupton.com}
 * @copyright (c) 2009-2010 Benjamin Arthur Lupton {@link http://www.balupton.com}
 * @license GNU Affero General Public License version 3 {@link http://www.gnu.org/licenses/agpl-3.0.html}
 */
String.prototype.trim = String.prototype.trim || function() {
	// Trim off any whitespace from the front and back
	return this.replace(/^\s+|\s+$/g, '');
};

/**
 * Return a new string with the value stripped from the left and right of the string
 * @version 1.1.1
 * @date July 22, 2010
 * @since 1.0.0, June 30, 2010
 * @package jquery-sparkle {@link http://www.balupton/projects/jquery-sparkle}
 * @author Benjamin "balupton" Lupton {@link http://www.balupton.com}
 * @copyright (c) 2009-2010 Benjamin Arthur Lupton {@link http://www.balupton.com}
 * @license GNU Affero General Public License version 3 {@link http://www.gnu.org/licenses/agpl-3.0.html}
 */
String.prototype.strip = String.prototype.strip || function(value,regex){
	// Strip a value from left and right, with optional regex support (defaults to false)
	value = String(value);
	var str = this;
	if ( value.length ) {
		if ( !(regex||false) ) {
			// We must escape value as we do not want regex support
			value = value.replace(/([\[\]\(\)\^\$\.\?\|\/\\])/g, '\\$1');
		}
		str = str.replace(eval('/^'+value+'+|'+value+'+$/g'), '');
	}
	return String(str);
}

/**
 * Return a new string with the value stripped from the left of the string
 * @version 1.1.1
 * @date July 22, 2010
 * @package jquery-sparkle {@link http://www.balupton/projects/jquery-sparkle}
 * @author Benjamin "balupton" Lupton {@link http://www.balupton.com}
 * @copyright (c) 2009-2010 Benjamin Arthur Lupton {@link http://www.balupton.com}
 * @license GNU Affero General Public License version 3 {@link http://www.gnu.org/licenses/agpl-3.0.html}
 */
String.prototype.stripLeft = String.prototype.stripLeft || function(value,regex){
	// Strip a value from the left, with optional regex support (defaults to false)
	value = String(value);
	var str = this;
	if ( value.length ) {
		if ( !(regex||false) ) {
			// We must escape value as we do not want regex support
			value = value.replace(/([\[\]\(\)\^\$\.\?\|\/\\])/g, '\\$1');
		}
		str = str.replace(eval('/^'+value+'+/g'), '');
	}
	return String(str);
}

/**
 * Return a new string with the value stripped from the right of the string
 * @version 1.1.1
 * @date July 22, 2010
 * @package jquery-sparkle {@link http://www.balupton/projects/jquery-sparkle}
 * @author Benjamin "balupton" Lupton {@link http://www.balupton.com}
 * @copyright (c) 2009-2010 Benjamin Arthur Lupton {@link http://www.balupton.com}
 * @license GNU Affero General Public License version 3 {@link http://www.gnu.org/licenses/agpl-3.0.html}
 */
String.prototype.stripRight = String.prototype.stripRight || function(value,regex){
	// Strip a value from the right, with optional regex support (defaults to false)
	value = String(value);
	var str = this;
	if ( value.length ) {
		if ( !(regex||false) ) {
			// We must escape value as we do not want regex support
			value = value.replace(/([\[\]\(\)\^\$\.\?\|\/\\])/g, '\\$1');
		}
		str = str.replace(eval('/'+value+'+$/g'), '');
	}
	return String(str);
}

/**
 * Return a int of the string
 * @version 1.0.0
 * @date June 30, 2010
 * @package jquery-sparkle {@link http://www.balupton/projects/jquery-sparkle}
 * @author Benjamin "balupton" Lupton {@link http://www.balupton.com}
 * @copyright (c) 2009-2010 Benjamin Arthur Lupton {@link http://www.balupton.com}
 * @license GNU Affero General Public License version 3 {@link http://www.gnu.org/licenses/agpl-3.0.html}
 */
String.prototype.toInt = String.prototype.toInt || function(){
	// Convert to a Integer
	return parseInt(this,10);
};

/**
 * Return a new string of the old string wrapped with the start and end values
 * @version 1.0.0
 * @date June 30, 2010
 * @package jquery-sparkle {@link http://www.balupton/projects/jquery-sparkle}
 * @author Benjamin "balupton" Lupton {@link http://www.balupton.com}
 * @copyright (c) 2009-2010 Benjamin Arthur Lupton {@link http://www.balupton.com}
 * @license GNU Affero General Public License version 3 {@link http://www.gnu.org/licenses/agpl-3.0.html}
 */
String.prototype.wrap = String.prototype.wrap || function(start,end){
	// Wrap the string
	return start+this+end;
};

/**
 * Return a new string of a selection of the old string wrapped with the start and end values
 * @version 1.0.0
 * @date June 30, 2010
 * @package jquery-sparkle {@link http://www.balupton/projects/jquery-sparkle}
 * @author Benjamin "balupton" Lupton {@link http://www.balupton.com}
 * @copyright (c) 2009-2010 Benjamin Arthur Lupton {@link http://www.balupton.com}
 * @license GNU Affero General Public License version 3 {@link http://www.gnu.org/licenses/agpl-3.0.html}
 */
String.prototype.wrapSelection = String.prototype.wrapSelection || function(start,end,a,z){
	// Wrap the selection
	if ( typeof a === 'undefined' || a === null ) a = this.length;
	if ( typeof z === 'undefined' || z === null ) z = this.length;
	return this.substring(0,a)+start+this.substring(a,z)+end+this.substring(z);
};

/**
 * Return a new string of the slug of the old string
 * @version 1.1.0
 * @date July 16, 2010
 * @since 1.0.0, June 30, 2010
 * @package jquery-sparkle {@link http://www.balupton/projects/jquery-sparkle}
 * @author Benjamin "balupton" Lupton {@link http://www.balupton.com}
 * @copyright (c) 2009-2010 Benjamin Arthur Lupton {@link http://www.balupton.com}
 * @license GNU Affero General Public License version 3 {@link http://www.gnu.org/licenses/agpl-3.0.html}
 */
String.prototype.toSlug = String.prototype.toSlug || function(){
	// Convert a string to a slug
	return this.toLowerCase().replace(/[\s_]/g, '-').replace(/[^-a-z0-9]/g, '').replace(/--+/g, '-').replace(/^-+|-+$/g,'');
}

/**
 * Return a new JSON object of the old string.
 * Turns:
 * 		file.js?a=1&b.c=3.0&b.d=four&a_false_value=false&a_null_value=null
 * Into:
 * 		{"a":1,"b":{"c":3,"d":"four"},"a_false_value":false,"a_null_value":null}
 * @version 1.1.0
 * @date July 16, 2010
 * @since 1.0.0, June 30, 2010
 * @package jquery-sparkle {@link http://www.balupton/projects/jquery-sparkle}
 * @author Benjamin "balupton" Lupton {@link http://www.balupton.com}
 * @copyright (c) 2009-2010 Benjamin Arthur Lupton {@link http://www.balupton.com}
 * @license GNU Affero General Public License version 3 {@link http://www.gnu.org/licenses/agpl-3.0.html}
 */
String.prototype.queryStringToJSON = String.prototype.queryStringToJSON || function ( )
{	// Turns a params string or url into an array of params
	// Prepare
	var params = String(this);
	// Remove url if need be
	params = params.substring(params.indexOf('?')+1);
	// params = params.substring(params.indexOf('#')+1);
	// Change + to %20, the %20 is fixed up later with the decode
	params = params.replace(/\+/g, '%20');
	// Do we have JSON string
	if ( params.substring(0,1) === '{' && params.substring(params.length-1) === '}' )
	{	// We have a JSON string
		return eval(decodeURIComponent(params));
	}
	// We have a params string
	params = params.split(/\&(amp\;)?/);
	var json = {};
	// We have params
	for ( var i = 0, n = params.length; i < n; ++i )
	{
		// Adjust
		var param = params[i] || null;
		if ( param === null ) { continue; }
		param = param.split('=');
		if ( param === null ) { continue; }
		// ^ We now have "var=blah" into ["var","blah"]

		// Get
		var key = param[0] || null;
		if ( key === null ) { continue; }
		if ( typeof param[1] === 'undefined' ) { continue; }
		var value = param[1];
		// ^ We now have the parts

		// Fix
		key = decodeURIComponent(key);
		value = decodeURIComponent(value);
		try {
		    // value can be converted
		    value = eval(value);
		} catch ( e ) {
		    // value is a normal string
		}

		// Set
		// window.console.log({'key':key,'value':value}, split);
		var keys = key.split('.');
		if ( keys.length === 1 )
		{	// Simple
			json[key] = value;
		}
		else
		{	// Advanced (Recreating an object)
			var path = '',
				cmd = '';
			// Ensure Path Exists
			$.each(keys,function(ii,key){
				path += '["'+key.replace(/"/g,'\\"')+'"]';
				jsonCLOSUREGLOBAL = json; // we have made this a global as closure compiler struggles with evals
				cmd = 'if ( typeof jsonCLOSUREGLOBAL'+path+' === "undefined" ) jsonCLOSUREGLOBAL'+path+' = {}';
				eval(cmd);
				json = jsonCLOSUREGLOBAL;
				delete jsonCLOSUREGLOBAL;
			});
			// Apply Value
			jsonCLOSUREGLOBAL = json; // we have made this a global as closure compiler struggles with evals
			valueCLOSUREGLOBAL = value; // we have made this a global as closure compiler struggles with evals
			cmd = 'jsonCLOSUREGLOBAL'+path+' = valueCLOSUREGLOBAL';
			eval(cmd);
			json = jsonCLOSUREGLOBAL;
			delete jsonCLOSUREGLOBAL;
			delete valueCLOSUREGLOBAL;
		}
		// ^ We now have the parts added to your JSON object
	}
	return json;
};