// Underscore.js 1.1.7
// (c) 2011 Jeremy Ashkenas, DocumentCloud Inc.
// Underscore is freely distributable under the MIT license.
// Portions of Underscore are inspired or borrowed from Prototype,
// Oliver Steele's Functional, and John Resig's Micro-Templating.
// For all details and documentation:
// http://documentcloud.github.com/underscore
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var app = {
	libs: {},
	utils: {},
	plugins: {},
	firstRun: true,
	controllers: {},
	models: {},
	views: {},
	cache: {},
	data: {}
};

app.session = {
	_write: function(name, value, type){
		if(!_.isArray(name)){
			name = name.split('.');
		}
		var currentData = app.session;
		_.each(name, function(key, i){
			if(i === name.length - 1){
				if(type == 'write'){
					currentData[key] = value;
				}if(type == 'update'){
					currentData[key] = _.extend(currentData[key], value);
				}
			}else{
				if(_.isUndefined(currentData[key])){
					currentData[key] = {};
				}
				currentData = currentData[key];
			}
		});
		return app.session;
	},

	write: function(name, value){
		return app.session._write(name, value, 'write');
	},

	update: function(name, value){
		return app.session._write(name, value, 'update');
	}
};

(function() {
    var numberify = function(s) {
            var c = 0;
            return parseFloat(s.replace(/\./g, function() {
                return (c++ == 1) ? '' : '.';
            }));
        },

    win = window
    nav = window.navigator,

    o = {
        ie: 0,
        opera: 0,
        gecko: 0,
		firefox: 0,
        webkit: 0,
        safari: 0,
        chrome: 0,
        mobile: null,
        air: 0,
        ipad: 0,
        iphone: 0,
        ipod: 0,
        ios: null,
        android: 0,
        webos: 0,
        caja: nav && nav.cajaVersion,
        secure: false,
        os: null
    },

    ua = nav && nav.userAgent,
    loc = win && win.location,
    href = loc && loc.href,
    o.userAgent = ua;
    o.secure = href && (href.toLowerCase().indexOf('https') === 0);

    if (ua) {

        if ((/windows|win32/i).test(ua)) {
            o.os = 'windows';
        } else if ((/macintosh/i).test(ua)) {
            o.os = 'macintosh';
        } else if ((/rhino/i).test(ua)) {
            o.os = 'rhino';
        }

        // Modern KHTML browsers should qualify as Safari X-Grade
        if ((/KHTML/).test(ua)) {
            o.webkit = 1;
        }
        // Modern WebKit browsers are at least X-Grade
        m = ua.match(/AppleWebKit\/([^\s]*)/);
        if (m && m[1]) {
            o.webkit = numberify(m[1]);
			if(o.webkit < 522){
				o.safari = 2;
			}else if(o.webkit < 526){
				o.safari = 3;
			}else if(o.webkit < 533){
				o.safari = 4;
			}else{
				o.safari = 5;
			}

            // Mobile browser check
            if (/ Mobile\//.test(ua)) {
                o.mobile = 'Apple'; // iPhone or iPod Touch

                m = ua.match(/OS ([^\s]*)/);
                if (m && m[1]) {
                    m = numberify(m[1].replace('_', '.'));
                }
                o.ios = m;
                o.ipad = o.ipod = o.iphone = 0;

                m = ua.match(/iPad|iPod|iPhone/);
                if (m && m[0]) {
                    o[m[0].toLowerCase()] = o.ios;
                }
            } else {
                m = ua.match(/NokiaN[^\/]*|webOS\/\d\.\d/);
                if (m) {
                    // Nokia N-series, webOS, ex: NokiaN95
                    o.mobile = m[0];
                }
                if (/webOS/.test(ua)) {
                    o.mobile = 'WebOS';
                    m = ua.match(/webOS\/([^\s]*);/);
                    if (m && m[1]) {
                        o.webos = numberify(m[1]);
                    }
                }
                if (/ Android/.test(ua)) {
                    if (/Mobile/.test(ua)) {
                        o.mobile = 'Android';
                    }
                    m = ua.match(/Android ([^\s]*);/);
                    if (m && m[1]) {
                        o.android = numberify(m[1]);
                    }

                }
            }

            m = ua.match(/Chrome\/([^\s]*)/);
            if (m && m[1]) {
                o.chrome = numberify(m[1]); // Chrome
                o.safari = 0; //Reset safari back to 0
            } else {
                m = ua.match(/AdobeAIR\/([^\s]*)/);
                if (m) {
                    o.air = m[0]; // Adobe AIR 1.0 or better
                }
            }
        }

        if (!o.webkit) { // not webkit
// @todo check Opera/8.01 (J2ME/MIDP; Opera Mini/2.0.4509/1316; fi; U; ssr)
            m = ua.match(/Opera[\s\/]([^\s]*)/);
            if (m && m[1]) {
                o.opera = numberify(m[1]);
                m = ua.match(/Version\/([^\s]*)/);
                if (m && m[1]) {
                    o.opera = numberify(m[1]); // opera 10+
                }

                m = ua.match(/Opera Mini[^;]*/);

                if (m) {
                    o.mobile = m[0]; // ex: Opera Mini/2.0.4509/1316
                }
            } else { // not opera or webkit
                m = ua.match(/MSIE\s([^;]*)/);
                if (m && m[1]) {
                    o.ie = numberify(m[1]);
                } else { // not opera, webkit, or ie
                    m = ua.match(/Gecko\/([^\s]*)/);
                    if (m) {
                        o.gecko = 1; // Gecko detected, look for revision
                        m = ua.match(/rv:([^\s\)]*)/);
                        if (m && m[1]) {
                            o.gecko = numberify(m[1]);
                        }
						o.firefox = o.gecko;
                    }
                }
            }
        }
    }
    app.env = o;
})();
app.env.protocol = (document.location.protocol === 'https:' ? 'https' : 'http');

app.paths = {
	'app.js':'/js/libs/app.js/',
	'History.js':'',
	'amplify.store':'',
	'json2.js':'js/appjs/libs/history.js/scripts/compressed/json2.js',
	'jQuery':'js/appjs/libs/jquery-1.6.2.min.js',
	'yepnope':'js/appjs/libs/yepnope/yepnope.1.0.2-min.js',
	'prefixfree':'js/appjs/libs/prefixfree.min.js',
	'builderjs':'js/appjs/libs/builder.js'
};

//use yepnope to load js files
//ie. if app.config.useHistory
//		then check if amplify.store is loaded (and load if needed)
//		check if json2 is needed and load, etc
		//use app.paths above (include app.paths in js/app/whatev)


//Class implementation from John Resig
// Inspired by base2 and Prototype
(function(){
  var initializing = false, fnTest = /xyz/.test(function(){xyz;}) ? /\b_super\b/ : /.*/;

  // The base Class implementation (does nothing)
  app.libs.Class = this.Class = function(){};
 
  // Create a new Class that inherits from this class
  Class.extend = function(prop) {
    var _super = this.prototype;
   
    // Instantiate a base class (but only create the instance,
    // don't run the init constructor)
    initializing = true;
    var prototype = new this();
    initializing = false;
   
    // Copy the properties over onto the new prototype
    for (var name in prop) {
      // Check if we're overwriting an existing function
      prototype[name] = typeof prop[name] == "function" &&
        typeof _super[name] == "function" && fnTest.test(prop[name]) ?
        (function(name, fn){
          return function() {
            var tmp = this._super;
           
            // Add a new ._super() method that is the same method
            // but on the super-class
            this._super = _super[name];
           
            // The method only need to be bound temporarily, so we
            // remove it when we're done executing
            var ret = fn.apply(this, arguments);       
            this._super = tmp;
           
            return ret;
          };
        })(name, prop[name]) :
        prop[name];
    }
   
    // The dummy class constructor
    function Class() {
      // All construction is actually done in the init method
      if ( !initializing && this.init )
        this.init.apply(this, arguments);
    }
   
    // Populate our constructed prototype object
    Class.prototype = prototype;
   
    // Enforce the constructor to be what we expect
    Class.constructor = Class;

    // And make this class extendable
    Class.extend = arguments.callee;
   
    return Class;
  };
})();

app.libs.router = app.libs.Class.extend({
	init: function(action){
		//simple router
		if(!action || action === '/'){
			action = app.config.defaultController;
		}
		var parts = action.split('/');
		this.controller = parts[0];
		this.method = parts.length > 1 ? parts[1] : 'index';
		this.params = parts.length > 2 ? parts.slice(2) : [];
	},
	
	getController: function(){
		return this.controller;
	},
	
	getMethod: function(){
		return this.method;
	},
	
	getParams: function(){
		return this.params;
	}
});

app.libs.dataStore = app.libs.Class.extend({
	init: function(settings){
		this.data = {};  
		this.keys = [];
		this.settings = _.extend({'key':'id'}, settings || {});
	}, 
	  
	count:function(){
		return this.keys.length;
	},

	getKeys:function(){
		return this.keys;
	},

	add:function(obj){
		if(_.isArray(obj)){
			for(var i = 0; i < obj.length; i++){
				this.add(obj[i]);
			}
		}else{   
			this.keys.push(obj[this.settings.key]);
			this.data[obj[this.settings.key]] = obj;
		}
    },  

	update:function(data, key){
		if(!key){
			var key = data[this.settings.key];
		}
		this.data[key] = _.extend(this.data[key], data);
	},

	byKey: function(key){
	   return this.data[key];
	},

	remove: function(keyToRemove){
		delete(this.data[keyToRemove]);
		delete(this.keys[_.indexOf(this.keys, keyToRemove)]);
	},

	getAll:function(){
		return this.toArray();
	},
	
	toArray: function(){
		return _.values(this.data);
	}
});

app.libs.model = app.libs.Class.extend({
	init: function(){	
		this.data = new app.libs.dataStore();
		this.settings = _.extend({'key':'id'}, {});;
	},
	
	find: function(type, condition){
		if(_.isFunction(type)){
			return this.findByCondition(type);
		}else if(type === 'all'){
			return this.data.getAll();
		}else if(type === 'id' || type === 'key'){
			return this.findByKey(condition);
		}else{
			//we are doing an object look up (ie person.find({age: 30}))
			var condition = condition || type;
			var key = _.keys(condition)[0];
			return this.findByCondition(function(obj){
				return (obj[key] === condition[key]);
			});
		}
	},

	findByCondition:function(func){
		var data = this.data.getAll();
		var found = [];
		_.each(data, function(row){
			if(func(row)){
				found.push(row);
			}
		});
		return found;
	},
	
	findByField: function(lookupObj){
		return this.find('field', lookupObj);
	},

	findByKey:function(key){
		return this.data.byKey(key);
	},

	create:function(vals){
		this.data.add(vals);
	},

	update:function(vals, key){
		this.data.update(vals, key || null);
	},

	remove: function(key){
		this.data.remove(key);
	},
	
	getKeys: function(){
		return this.data.getKeys();
	}
});

app.libs.frontController = app.libs.Class.extend({
	init: function(){
		
	},
	
	run: function(action, data){
		if(app.router){
			var router = new app.router(action);
		}else{
			var router = new app.libs.router(action);
		}
		var controllerClass = router.getController();
		var method = router.getMethod();
		var params = router.getParams();

		if(typeof app.controllers[controllerClass] === 'undefined' || typeof app.controllers[controllerClass].prototype[method] === 'undefined'){
			controllerClass = 'errors';
			method = 'index';
			params = ['404'];
		}	
		var controller = new app.controllers[controllerClass]();
		controller.data = data;
		
		if(app.config.autoloadModels){
			for(model in app.models){
				var modelClass = new app.models[model]();
				controller[model] = modelClass;
			}
		}	
		
		controller[method].apply(controller, params);
	}
});

app.libs.controller = app.libs.Class.extend({
	init: function(){
		
	}
});

app.libs.view = app.libs.Class.extend({
	init: function(settings){
		this.settings = _.extend({}, settings);
	},
	
	//override
	render: function(){
		if(!_.isUndefined(this.element)){
			return this.element.toj();
		}
	}
});

app.libs.historyManager = app.libs.Class.extend({
	init: function(){
		this.adding = false;
		this.History = window.History
	    this.History.Adapter.bind(window, 'statechange', _.bind(function(){ // Note: We are using statechange instead of popstate
	        if(!this.adding){
				var state = History.getState(); // Note: We are using History.getState() instead of event.state
				if(state.data.action){
					app.run(state.data.action, state.data.data);
				}
			}
	    }, this));
	},
	
	add: function(action, data){
		this.adding = true;
		this.History.pushState({'data':data || {}, 'action':action}, app.config.pageTitle, '/'+action);
		this.adding = false;
	}
});

app.plugins.googleAnalytics = app.libs.Class.extend({
	init: function(settings){
		this.settings = settings;
		window._gaq = window._gaq || [];
	  	window._gaq.push(['_setAccount', settings.key]);
		app.utils.loadScript((app.env.secure ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js')
	},
	
	trackPageView: function(page){
		var analyticsOject = page ? ['_trackPageview', page] : ['_trackPageview'];
		window._gaq.push(analyticsOject);
	}
});

app.utils.loadScript = function(src, callback, condition){
	yepnope({'test':(condition || true), 'yep':src, 'callback':(callback ? callback : function(){})});
};

app.utils.when = function(test, callback, duration, context, args){
	if(test.call()){
		callback.apply(context || callback, args || []);
	}else{
		setTimeout(function(){
			app.utils.when(test, callback, (duration || false), context || null, args || null);
		}, (duration || 10));
	}
};

app.utils.parameter = function(name, separator){
	name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
	var regexS = "[\\"+(separator || '?')+"&]" + name + "=([^&#]*)";
 	var regex = new RegExp(regexS);
  	var results = regex.exec(window.location.href);
	return (results === null ? '' : decodeURIComponent(results[1].replace(/\+/g, " ")))
};

app.utils.loadAppjs = function(){
	if(app.config.useHistory){
		app.historyManager = new app.libs.historyManager();
	}
	if(app.config.googleAnalyticsKey){
		app.googleAnalytics = new app.libs.googleAnalytics(app.config.googleAnalyticsKey);
	}
	app.frontController = new app.libs.frontController();
};

app.run = function(action, data, addToHistory){
	if(app.firstRun && typeof app.utils.beforeFirstRun !== 'undefined'){
		app.utils.beforeFirstRun.call();
	}
	app.frontController.run(action, data || {});
	if(addToHistory && app.config.useHistory){
		app.historyManager.add(action, data || {});
	}
	app.firstRun = false;
};

app.go = function(action, data){
	app.run(action, data || {}, true);
};

app.runIn = function(action, wait){
	setTimeout(function(){
		app.run(action);
	}, wait);
};