/*
 * JavaScriptMVC - include
 * (c) 2008 Jupiter ITS
 */
(function(){
	

if(typeof include != 'undefined' && typeof include.end != 'undefined')
	return include.end();
else if(typeof include != 'undefined' && typeof include.end == 'undefined')
	throw("Include is defined as function or an element's id!");

$MVC = {
	OPTIONS: {},
	Test: {},
	_no_conflict: false,
	no_conflict: function(){ $MVC._no_conflict = true  },
	File: function(path){ this.path = path; },
	Initializer: function(f) {
		$MVC.user_initialize_function = f;
		include.set_path($MVC.root);
		include('framework');
	},
	Ajax: {},
	Browser: {
	    IE:     !!(window.attachEvent && !window.opera),
	    Opera:  !!window.opera,
	    WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
	    Gecko:  navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1,
	    MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)
	},
	root: null,
	include_path: null,
	application_root: null,
	Object:  { extend: function(d, s) { for (var p in s) d[p] = s[p]; return d;} }
};
	
var File = $MVC.File;
$MVC.File.prototype = {
	clean: function(){
		return this.path.match(/([^\?#]*)/)[1];
	},
	dir: function(){
		var last = this.clean().lastIndexOf('/');
		return last != -1 ? this.clean().substring(0,last) : this.clean();
	},
	domain: function(){ 
		if(this.path.indexOf('file:') == 0 ) return null;
		var http = this.path.match(/^(?:https?:\/\/)([^\/]*)/);
		return http ? http[1] : null;
	},
	join_from: function( url, expand){
		if(this.is_domain_absolute()){
			var u = new File(url);
			if(this.domain() && this.domain() == u.domain() ) 
				return this.after_domain();
			else if(this.domain() == u.domain()) { // we are from a file
				return this.to_reference_from_same_domain(url);
			}else
				return this.path;
		}else if(url == $MVC.page_dir && !expand){
			return this.path;
		}else{
			if(this.path == '') return url.substr(0,url.length-1);
			var urls = url.split('/'), paths = this.path.split('/'), path = paths[0];
			urls.pop();
			while(path == '..' && paths.length > 0){
				paths.shift();
				urls.pop();
				path =paths[0];
			}
			return urls.concat(paths).join('/');
		}
	},
	relative: function(){		return this.path.match(/^(https?:|file:|\/)/) == null;},
	after_domain: function(){	return this.path.match(/(?:https?:\/\/[^\/]*)(.*)/)[1];},
	to_reference_from_same_domain: function(url){
		var parts = this.path.split('/'), other_parts = url.split('/'), result = '';
		while(parts.length > 0 && other_parts.length >0 && parts[0] == other_parts[0]){
			parts.shift(); other_parts.shift();
		}
		for(var i = 0; i< other_parts.length; i++) result += '../';
		return result+ parts.join('/');
	},
	is_cross_domain : function(){
		if(this.is_local_absolute()) return false;
		return this.domain() != new File(location.href).domain();
	},
	is_local_absolute : function(){	return this.path.indexOf('/') === 0},
	is_domain_absolute : function(){return this.path.match(/^(https?:|file:)/) != null}
};



$MVC.page_dir = new File(window.location.href).dir();						  

//find include and get its absolute path
var scripts = document.getElementsByTagName("script");
for(var i=0; i<scripts.length; i++) {
	var src = scripts[i].src;
	if(src.match(/include\.js/)){
		$MVC.include_path = src;
		$MVC.root = new File( new File(src).join_from( $MVC.page_dir ) ).dir();
		$MVC.application_root = $MVC.root.replace(/\/jmvc$/,'');
		if(src.indexOf('?') != -1) $MVC.script_options = src.split('?')[1].split(',');
	}
}


//configurable options
var options = {	remote: false, 
				env: 'development', 
				production: '/javascripts/production.js',
				base62: false, shrink_variables: true};

// variables used while including
var first = true , 
	first_wave_done = false, 
	included_paths = [],
	cwd = '', 
	includes=[], 
	current_includes=[],
	total = [];



var is_included = function(path){
	for(var i = 0; i < includes.length; i++) if(includes[i].absolute == path) return true;
	for(var i = 0; i < current_includes.length; i++) if(current_includes[i].absolute == path) return true;
	for(var i = 0; i < total.length; i++) if(total[i].absolute == path) return true;
	return false;
};

var add_with_defaults = function(inc){
	if(typeof inc == 'string') inc = {path: inc.indexOf('.js') == -1  ? inc+'.js' : inc};
	$MVC.Object.extend( $MVC.Object.extend({},options), inc);
	include.add(inc);
};

include = function(){
	if(include.get_env().match(/development|compress|test/)){
		for(var i=0; i < arguments.length; i++) add_with_defaults(arguments[i]);
	}else{
		if(!first_wave_done) return; 
		for(var i=0; i < arguments.length; i++) add_with_defaults(arguments[i]);
		return;
	}
	if(first && !$MVC.Browser.Opera){
		first = false;insert();
	}
};
	
$MVC.Object.extend(include,{
	setup: function(o){
		$MVC.Object.extend(options, o || {});

		options.production = options.production+(options.production.indexOf('.js') == -1 ? '.js' : '' );

		if(options.env == 'compress') include.compress_window = window.open($MVC.root+'/compress.html', null, "width=600,height=680,scrollbars=no,resizable=yes");
		if(options.env == 'test') include.plugins('test');
		if(options.env == 'production' && ! $MVC.Browser.Opera)
			return document.write('<script type="text/javascript" src="'+include.get_production_name()+'"></script>');
	},
	get_env: function() { return options.env;},
	get_production_name: function() { return options.production;},
	set_path: function(p) {cwd = p;},
	get_path: function() { 
		return options.remote ? include.get_absolute_path() : cwd;
	},
	get_absolute_path: function(){
		var fwd = new File(cwd);
		return fwd.relative() ? fwd.join_from($MVC.page_dir+'/', true) : cwd;
	},
	add: function(newInclude){
		var path = newInclude.path;
		if(first_wave_done) return insert_head(path);
		newInclude.path = include.normalize(  path  );
		var pf = new File(newInclude.path);
		newInclude.absolute = pf.relative() ? pf.join_from(include.get_absolute_path(), true) : newInclude.path;
		if(is_included(newInclude.absolute)) return;
		var ar = newInclude.path.split('/');
		ar.pop();
		newInclude.start = ar.join('/');
		current_includes.unshift(  newInclude );
	},
	normalize: function(path){
		var current_path = include.get_path();
		//if you are cross domain from the page, and providing a path that doesn't have an domain
		
		var file = new File(path);
		if(new File(include.get_absolute_path()).is_cross_domain() && !file.is_domain_absolute() ){
			//if the path starts with /
			if( file.is_local_absolute() ){
				var domain_part = current_path.split('/').slice(0,3).join('/');
				path = domain_part+path;
			}else{ //otherwise
				path = file.join_from(current_path);
			}
		}else if(current_path != '' && file.relative()){
			path = file.join_from( current_path+(current_path.lastIndexOf('/') === current_path.length - 1 ? '' : '/')  );
		}else if(current_path != '' && options.remote && ! file.is_domain_absolute()){
			var domain_part = current_path.split('/').slice(0,3).join('/');
			path = domain_part+path;
		}
		return path;
	},
	end: function(){
		includes = includes.concat(current_includes);
		var latest = includes.pop();
		if(!latest) {
			first_wave_done = true;
			if(include.get_env()=='compress') setTimeout( include.compress, 10 );
			return;
		};
		total.push( latest);
		current_includes = [];
		include.set_path(latest.start);
		include.current = latest.path;
		if(include.get_env()=='compress') latest.text = syncrequest(latest.path);
		latest.ignore ? insert() : insert(latest.path);
	},
	end_of_production: function(){ first_wave_done = true; },
	compress: function(){
		include.compress_window ? 
			include.compress_window.compress(total, include.srcs, include.get_production_name()) :
			alert("Your popup blocker is keeping the compressor from running.\nPlease allow popups and refresh this page.");
	},
	opera: function(){
		include.opera_called = true;
		if($MVC.Browser.Opera){
			options.env == 'production' ? document.write('<script type="text/javascript" src="'+include.get_production_name()+'"></script>') : include.end();
		}
	},
	opera_called : false,
	srcs: [],
	plugin: function(plugin_name) {
		var current_path = include.get_path();
		include.set_path($MVC.root);
		include('plugins/'+ plugin_name+'/setup');
		include.set_path(current_path);
	},
	plugins: function(){
		for(var i=0; i < arguments.length; i++) include.plugin(arguments[i]);
	},
	app: function(f){
		return function(){
			for(var i=0; i< arguments.length; i++) arguments[i] = f(arguments[i]);
			return include.apply(null, arguments);
		}
	}
});
	
var head = function(){
	var d = document, de = d.documentElement;
	var heads = d.getElementsByTagName("head");
	if(heads.length > 0 ) return heads[0];
	var head = d.createElement('head');
	de.insertBefore(head, de.firstChild);
	return head;
};
var insert_head = function(src){
	var script= script_tag();
	script.src= src;
	script.charset= "UTF-8";
	head().appendChild(script);
};
var script_tag = function(){
	var start = document.createElement('script');
	start.type = 'text/javascript';
	return start;
};
var insert = function(src){
	if($MVC.Browser.Opera||$MVC.Browser.Webkit ){
		if(src) {
			var script = script_tag();
			script.src=src+$MVC.random;
			document.body.appendChild(script);
		}
		var start = script_tag();
		start.src = $MVC.include_path+$MVC.random;
		document.body.appendChild(start);
	}else{
		document.write(
			(src? '<script type="text/javascript" src="'+src+(true ? '': $MVC.random )+'"></script>':'')+
			'<script type="text/javascript" src="'+$MVC.include_path+($MVC.Browser.Gecko ? '': $MVC.random )+'"></script>'
		);
	}
};
$MVC.random = '?'+Math.random();
$MVC.Ajax.factory = function(){ return window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();};
var syncrequest = function(path){
   var request = $MVC.Ajax.factory();
   request.open("GET", path, false);
   try{request.send(null);}
   catch(e){return null;}
   if ( request.status == 404 || request.status == 2 ||(request.status == 0 && request.responseText == '') ) return null;
   return request.responseText;
};

include.controllers = include.app(function(i){return '../controllers/'+i+'_controller'});
include.models = include.app(function(i){return '../models/'+i});
include.resources = include.app(function(i){return '../resources/'+i});

if($MVC.script_options){
	$MVC.application_root = $MVC.root.replace(/\/jmvc$/,'');
	$MVC.apps_root =  $MVC.application_root+'/apps';
	if($MVC.script_options.length > 1)	include.setup({env: $MVC.script_options[1], production: $MVC.apps_root+'/'+$MVC.script_options[0]+'_production'});
	include($MVC.apps_root+'/'+$MVC.script_options[0]);
	include.opera();
}
if($MVC.Browser.Opera) setTimeout(function(){ if(!include.opera_called){ alert("You forgot include.opera().")}}, 10000);

})();