// reference local blank image
Ext.BLANK_IMAGE_URL = 'http://js.graggadv.com/ext-2.2/resources/images/default/s.gif';
 
/**
* Base System
*/
IRIS = function() {
	
	return {
		
		init		:	function() {
			Ext.QuickTips.init();
	     	Ext.state.Manager.setProvider( new Ext.state.CookieProvider() );
	     	IRIS.ErrorManager.init();
		},
		
		/**
		* Application Base Panels
		* 
		* These are components or functions that generate components
		* and are used in most of the modules within IRIS.  
		* Placed here for easy maintenence.
		*/
		basePanels: {
			
			notificationPanel:	new Ext.Panel({
				id: 'iris-south-panel',
				region:"south",
				contentEl: "south",
				title:"Notification Pane",
				collapsible: true,
				collapseMode: 'mini',
				height:70,
				tools:[{
				    id:'maximize',
				    qtip: 'Maximize Notification panel.',
				    // hidden:true,
				    handler: function(event, toolEl, panel){
						Ext.getCmp("iris-south-panel").setHeight(200);
						Ext.get("message-history").setHeight(185);
						Ext.getCmp("iris-viewport").doLayout();
				    }
				},
				{
				    id:'restore',
				    qtip: 'Restore Notification panel to normal size.',
				    // hidden:true,
				    handler: function(event, toolEl, panel){
						Ext.getCmp("iris-south-panel").setHeight(70);
						Ext.get("message-history").setHeight(55);
						Ext.getCmp("iris-viewport").doLayout();
				    }
				}]
			}),
			
			createHeader: function( moduleToolbar, height ) {
		
				var northHeight = height || 119;
		
				return new Ext.Panel({
			    	region:"north",
			    	contentEl: "north",
					height: northHeight,
					bbar : moduleToolbar,
					listeners: {
						render: function() {
							Ext.get('nav-clients').on('mousedown', IRIS.location.createCallback("/clients/") );
							Ext.get('nav-vendors').on('mousedown', IRIS.location.createCallback("/vendors/") );
							Ext.get('nav-projections').on('mousedown', IRIS.location.createCallback("/projections/repository/") );
							Ext.get('nav-media-buying').on('mousedown', IRIS.location.createCallback("/media-buying") );
							Ext.get('nav-analysis').on('mousedown', IRIS.location.createCallback("/analysis/") );
							Ext.get('nav-ppl').on('mousedown', IRIS.location.createCallback("/ppl/") );
							Ext.get('nav-operations').on('mousedown', IRIS.location.createCallback("/operations/") );
							Ext.get('nav-jobs').on('mousedown', IRIS.location.createCallback("/jobs/") );
							Ext.get('nav-utils').on('mousedown', IRIS.location.createCallback("/utils/") );
						}
					}
			    });
			}
			
		},
		
        /**
         * Creates a loading mask to be used in the location function
         */
        loadingMask:	function(mesg) {
        	var mask = new Ext.LoadMask( 
        				Ext.getBody(), 
        				{
        					msg: mesg || "Loading..."
        				}
        	);
        	mask.show();
        },
        
		location:	function(modulePath, mesg) {
        	IRIS.loadingMask(mesg);
        	(function() { window.location.href = modulePath; }).defer(25);
		}
	};
	
}();

/**
* Messaging system
*/
IRIS.Message = function() {
	
	return {
		
		showMessage 	:	function() {
		
			var panel = Ext.getCmp('iris-south-panel');
			
			if ( !panel.isVisible() ) {
				panel.expand(true);
			}	
			
		},
		
		appendMessageToHistory	: 	function( message_type, message ) {
			
			var dh 			= Ext.DomHelper;
			var imagePath	= "/images/";
			var image		= "";
			var className	= "";
			var bgColor		= "";
			var messageTag	= {};
			
			var current_date = new Date();
			var message_date = current_date.format("g:i:s A");
			
			var message_id = Ext.id();
			
			switch( message_type ) {
				case 'error':
					className 	= "error_message";
					bgColor		= "FFE7DF";
					image 		= "req_error_icon.gif";
					break;
				case 'warning':
					className 	= "warning_message";
					bgColor		= "FFE2C4";
					image 		= "req_info_icon.gif";
					break;
				default: 
					className 	= "ok_message";
					bgColor		= "DEF9CE";
					image 		= "req_ok_icon.gif";
					break;
			}
			
			messageTag = {
				tag:	'div',
				cls:	'info_message ' + className,
				children: [
					{ tag: 'img', src: imagePath + image },
					{ tag: 'span', id: message_id, cls: 'info_message_body', html: "[ " + message_date + " ]   " + message }
				]
			};
			
			var message_history = dh.insertFirst('message-history', messageTag);
			
			this.applyEffect(message_id, bgColor);
			
		},
		
		applyEffect	:	function(id, endCol ) {
			var el = Ext.get(id);
			el.highlight("FFD646", { attr: 'background-color', duration: 3, endColor: endCol});
		},
		
		processMessageRequest	:	function( type, message) {
			this.appendMessageToHistory( type, message);
			this.showMessage();
		},
		
		/**
		* Displays information in the status bar
		*/
		info	: function( message ) {
			this.processMessageRequest( 'info', message);
		},
		
		/**
		* Displays warnings in the status bar
		*/
		warning	: function( message ) {
			this.processMessageRequest( 'warning', message);
		},
		
		/**
		* Displays errors in the status bar
		*/
		error	: function( message ) {
			this.processMessageRequest( 'error', message);
		},
		
		/**
		* Displays a pop up alert box.
		*/
		alert	: function( message ) {
			Ext.MessageBox.alert("Notice", message );
		}
		
	};
	
}();

/**
 * Utilities and random functions.
 */
IRIS.Util = function() {
	
	return {
		
		/**
		* Create an array of numbers in a range.
		* @return array
		*/
		range		: function( low, high, step ) {
			var matrix = [];
		    var inival, endval, plus;
		    var walker = step || 1;
		    var chars  = false;
		 
		    if ( !isNaN ( low ) && !isNaN ( high ) ) {
		        inival = low;
		        endval = high;
		    } else if ( isNaN ( low ) && isNaN ( high ) ) {
		        chars = true;
		        inival = low.charCodeAt ( 0 );
		        endval = high.charCodeAt ( 0 );
		    } else {
		        inival = ( isNaN ( low ) ? 0 : low );
		        endval = ( isNaN ( high ) ? 0 : high );
		    }
		 
		    plus = ( ( inival > endval ) ? false : true );
		    if ( plus ) {
		        while ( inival <= endval ) {
		            matrix.push ( ( ( chars ) ? String.fromCharCode ( inival ) : inival ) );
		            inival += walker;
		        }
		    } else {
		        while ( inival >= endval ) {
		            matrix.push ( ( ( chars ) ? String.fromCharCode ( inival ) : inival ) );
		            inival -= walker;
		        }
		    }
		    return matrix;
		},
		
		/**
		* Checks to see if need is located in the haystack
		* @return bool
		*/
		in_array 	: function( needle, haystack ) {
			
			for( var i in haystack) {
				if( haystack[i] == needle ) {
					return true;
				}
			}
            return false;   
		},
		
		/**
		* Calculate the md5 hash of a string
		* @return string
		*/
		md5			: function( str ) {
		
		    var RotateLeft = function(lValue, iShiftBits) {
		        return (lValue<<iShiftBits) | (lValue>>>(32-iShiftBits));
		    };
		
		    var AddUnsigned = function(lX,lY) {
		        var lX4,lY4,lX8,lY8,lResult;
		        lX8 = (lX & 0x80000000);
		        lY8 = (lY & 0x80000000);
		        lX4 = (lX & 0x40000000);
		        lY4 = (lY & 0x40000000);
		        lResult = (lX & 0x3FFFFFFF)+(lY & 0x3FFFFFFF);
		        if (lX4 & lY4) {
		            return (lResult ^ 0x80000000 ^ lX8 ^ lY8);
		        }
		        if (lX4 | lY4) {
		            if (lResult & 0x40000000) {
		                return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);
		            } else {
		                return (lResult ^ 0x40000000 ^ lX8 ^ lY8);
		            }
		        } else {
		            return (lResult ^ lX8 ^ lY8);
		        }
		    };
		
		    var F = function(x,y,z) { return (x & y) | ((~x) & z); };
		    var G = function(x,y,z) { return (x & z) | (y & (~z)); };
		    var H = function(x,y,z) { return (x ^ y ^ z); };
		    var I = function(x,y,z) { return (y ^ (x | (~z))); };
		
		    var FF = function(a,b,c,d,x,s,ac) {
		        a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac));
		        return AddUnsigned(RotateLeft(a, s), b);
		    };
		
		    var GG = function(a,b,c,d,x,s,ac) {
		        a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac));
		        return AddUnsigned(RotateLeft(a, s), b);
		    };
		
		    var HH = function(a,b,c,d,x,s,ac) {
		        a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac));
		        return AddUnsigned(RotateLeft(a, s), b);
		    };
		
		    var II = function(a,b,c,d,x,s,ac) {
		        a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac));
		        return AddUnsigned(RotateLeft(a, s), b);
		    };
		
		    var ConvertToWordArray = function(str) {
		        var lWordCount;
		        var lMessageLength = str.length;
		        var lNumberOfWords_temp1=lMessageLength + 8;
		        var lNumberOfWords_temp2=(lNumberOfWords_temp1-(lNumberOfWords_temp1 % 64))/64;
		        var lNumberOfWords = (lNumberOfWords_temp2+1)*16;
		        var lWordArray=Array(lNumberOfWords-1);
		        var lBytePosition = 0;
		        var lByteCount = 0;
		        while ( lByteCount < lMessageLength ) {
		            lWordCount = (lByteCount-(lByteCount % 4))/4;
		            lBytePosition = (lByteCount % 4)*8;
		            lWordArray[lWordCount] = (lWordArray[lWordCount] | (str.charCodeAt(lByteCount)<<lBytePosition));
		            lByteCount++;
		        }
		        lWordCount = (lByteCount-(lByteCount % 4))/4;
		        lBytePosition = (lByteCount % 4)*8;
		        lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80<<lBytePosition);
		        lWordArray[lNumberOfWords-2] = lMessageLength<<3;
		        lWordArray[lNumberOfWords-1] = lMessageLength>>>29;
		        return lWordArray;
		    };
		
		    var WordToHex = function(lValue) {
		        var WordToHexValue="",WordToHexValue_temp="",lByte,lCount;
		        for (lCount = 0;lCount<=3;lCount++) {
		            lByte = (lValue>>>(lCount*8)) & 255;
		            WordToHexValue_temp = "0" + lByte.toString(16);
		            WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length-2,2);
		        }
		        return WordToHexValue;
		    };
		
		    var x=Array();
		    var k,AA,BB,CC,DD,a,b,c,d;
		    var S11=7, S12=12, S13=17, S14=22;
		    var S21=5, S22=9 , S23=14, S24=20;
		    var S31=4, S32=11, S33=16, S34=23;
		    var S41=6, S42=10, S43=15, S44=21;
		
		    str = this.utf8_encode(str);
		    x = ConvertToWordArray(str);
		    a = 0x67452301; b = 0xEFCDAB89; c = 0x98BADCFE; d = 0x10325476;
		    
		    xl = x.length;
		    for (k=0;k<xl;k+=16) {
		        AA=a; BB=b; CC=c; DD=d;
		        a=FF(a,b,c,d,x[k+0], S11,0xD76AA478);
		        d=FF(d,a,b,c,x[k+1], S12,0xE8C7B756);
		        c=FF(c,d,a,b,x[k+2], S13,0x242070DB);
		        b=FF(b,c,d,a,x[k+3], S14,0xC1BDCEEE);
		        a=FF(a,b,c,d,x[k+4], S11,0xF57C0FAF);
		        d=FF(d,a,b,c,x[k+5], S12,0x4787C62A);
		        c=FF(c,d,a,b,x[k+6], S13,0xA8304613);
		        b=FF(b,c,d,a,x[k+7], S14,0xFD469501);
		        a=FF(a,b,c,d,x[k+8], S11,0x698098D8);
		        d=FF(d,a,b,c,x[k+9], S12,0x8B44F7AF);
		        c=FF(c,d,a,b,x[k+10],S13,0xFFFF5BB1);
		        b=FF(b,c,d,a,x[k+11],S14,0x895CD7BE);
		        a=FF(a,b,c,d,x[k+12],S11,0x6B901122);
		        d=FF(d,a,b,c,x[k+13],S12,0xFD987193);
		        c=FF(c,d,a,b,x[k+14],S13,0xA679438E);
		        b=FF(b,c,d,a,x[k+15],S14,0x49B40821);
		        a=GG(a,b,c,d,x[k+1], S21,0xF61E2562);
		        d=GG(d,a,b,c,x[k+6], S22,0xC040B340);
		        c=GG(c,d,a,b,x[k+11],S23,0x265E5A51);
		        b=GG(b,c,d,a,x[k+0], S24,0xE9B6C7AA);
		        a=GG(a,b,c,d,x[k+5], S21,0xD62F105D);
		        d=GG(d,a,b,c,x[k+10],S22,0x2441453);
		        c=GG(c,d,a,b,x[k+15],S23,0xD8A1E681);
		        b=GG(b,c,d,a,x[k+4], S24,0xE7D3FBC8);
		        a=GG(a,b,c,d,x[k+9], S21,0x21E1CDE6);
		        d=GG(d,a,b,c,x[k+14],S22,0xC33707D6);
		        c=GG(c,d,a,b,x[k+3], S23,0xF4D50D87);
		        b=GG(b,c,d,a,x[k+8], S24,0x455A14ED);
		        a=GG(a,b,c,d,x[k+13],S21,0xA9E3E905);
		        d=GG(d,a,b,c,x[k+2], S22,0xFCEFA3F8);
		        c=GG(c,d,a,b,x[k+7], S23,0x676F02D9);
		        b=GG(b,c,d,a,x[k+12],S24,0x8D2A4C8A);
		        a=HH(a,b,c,d,x[k+5], S31,0xFFFA3942);
		        d=HH(d,a,b,c,x[k+8], S32,0x8771F681);
		        c=HH(c,d,a,b,x[k+11],S33,0x6D9D6122);
		        b=HH(b,c,d,a,x[k+14],S34,0xFDE5380C);
		        a=HH(a,b,c,d,x[k+1], S31,0xA4BEEA44);
		        d=HH(d,a,b,c,x[k+4], S32,0x4BDECFA9);
		        c=HH(c,d,a,b,x[k+7], S33,0xF6BB4B60);
		        b=HH(b,c,d,a,x[k+10],S34,0xBEBFBC70);
		        a=HH(a,b,c,d,x[k+13],S31,0x289B7EC6);
		        d=HH(d,a,b,c,x[k+0], S32,0xEAA127FA);
		        c=HH(c,d,a,b,x[k+3], S33,0xD4EF3085);
		        b=HH(b,c,d,a,x[k+6], S34,0x4881D05);
		        a=HH(a,b,c,d,x[k+9], S31,0xD9D4D039);
		        d=HH(d,a,b,c,x[k+12],S32,0xE6DB99E5);
		        c=HH(c,d,a,b,x[k+15],S33,0x1FA27CF8);
		        b=HH(b,c,d,a,x[k+2], S34,0xC4AC5665);
		        a=II(a,b,c,d,x[k+0], S41,0xF4292244);
		        d=II(d,a,b,c,x[k+7], S42,0x432AFF97);
		        c=II(c,d,a,b,x[k+14],S43,0xAB9423A7);
		        b=II(b,c,d,a,x[k+5], S44,0xFC93A039);
		        a=II(a,b,c,d,x[k+12],S41,0x655B59C3);
		        d=II(d,a,b,c,x[k+3], S42,0x8F0CCC92);
		        c=II(c,d,a,b,x[k+10],S43,0xFFEFF47D);
		        b=II(b,c,d,a,x[k+1], S44,0x85845DD1);
		        a=II(a,b,c,d,x[k+8], S41,0x6FA87E4F);
		        d=II(d,a,b,c,x[k+15],S42,0xFE2CE6E0);
		        c=II(c,d,a,b,x[k+6], S43,0xA3014314);
		        b=II(b,c,d,a,x[k+13],S44,0x4E0811A1);
		        a=II(a,b,c,d,x[k+4], S41,0xF7537E82);
		        d=II(d,a,b,c,x[k+11],S42,0xBD3AF235);
		        c=II(c,d,a,b,x[k+2], S43,0x2AD7D2BB);
		        b=II(b,c,d,a,x[k+9], S44,0xEB86D391);
		        a=AddUnsigned(a,AA);
		        b=AddUnsigned(b,BB);
		        c=AddUnsigned(c,CC);
		        d=AddUnsigned(d,DD);
		    }
		
		    var temp = WordToHex(a)+WordToHex(b)+WordToHex(c)+WordToHex(d);
		
		    return temp.toLowerCase();	
		},
		
		/**
		* Encodes an ISO-8859-1 string to UTF-8
		*/
		utf8_encode		: function ( string ) {
		
		    string = (string+'').replace(/\r\n/g, "\n").replace(/\r/g, "\n");
		
		    var utftext = "";
		    var start, end;
		    var stringl = 0;
		
		    start = end = 0;
		    stringl = string.length;
		    for (var n = 0; n < stringl; n++) {
		        var c1 = string.charCodeAt(n);
		        var enc = null;
		
		        if (c1 < 128) {
		            end++;
		        } else if((c1 > 127) && (c1 < 2048)) {
		            enc = String.fromCharCode((c1 >> 6) | 192) + String.fromCharCode((c1 & 63) | 128);
		        } else {
		            enc = String.fromCharCode((c1 >> 12) | 224) + String.fromCharCode(((c1 >> 6) & 63) | 128) + String.fromCharCode((c1 & 63) | 128);
		        }
		        if (enc != null) {
		            if (end > start) {
		                utftext += string.substring(start, end);
		            }
		            utftext += enc;
		            start = end = n+1;
		        }
		    }
		
		    if (end > start) {
		        utftext += string.substring(start, string.length);
		    }
		
		    return utftext;
		}
		
	};
}();

/**
* Access Control
*/
IRIS.AccessControl = function() {
	
	return {
		
		/**
		 * Checks to see if a user has the minimum permission level
		 */
		hasPermissionLevel : function( permLevel ) {
			var userPerm = Ext.state.Manager.get("iris-user.permissionLevel");
			
			switch(permLevel) {
			
				case "guest":
					var allowedLevels = ["guest","user","manager","admin"];
					if ( allowedLevels.contains(userPerm) ) {
						return true;
					}
					break;
					
				case "user":
					var allowedLevels = ["user","manager","admin"];
					if ( allowedLevels.contains(userPerm) ) {
						return true;
					}
					break;
					
				case "manager":
					var allowedLevels = [ "manager","admin"];
					if ( allowedLevels.contains(userPerm) ) {
						return true;
					}
					break;
				
				case "admin":
					var allowedLevels = ["admin"];
					if ( allowedLevels.contains(userPerm) ) {
						return true;
					}
					break;
			
			}
			return false;
		},
		
		/**
		 * See if a user belongs to a particular department
		 */
		userBelongsToDepartment: function( dept ) {
			
			var userDept = Ext.state.Manager.get("iris-user.department");
			
			if ( userDept === dept ) {
				return true;
			} 
			return false;
		}
	};
}();

/**
* Error Manager
* 
*/
IRIS.ErrorManager = function() {
	
	return {
		
		init			: function() {
			Ext.Ajax.on('requestexception', this.handleAjaxError, this );
		},
		/*
		*  Test with...
		*  try {
		*	    throw Error("blah");
		*	} catch (ex) {
		*	    IRIS.ErrorManager.handleException(ex);
		*	}
		*/
		handleException : function(msg, href, lineNo) {
			var postData = msg+"<br/> FILE: "+href+"<br/> LINE: "+lineNo+"<br/> BROWSER: "+navigator.userAgent;
			IRIS.Message.alert(postData);
			return true;
		},
				
		handleAjaxError : function(conn, response, options) {
			
			var code = response.status;
			
			switch(code) {
				case 404:
					IRIS.Message.alert("Resource not found on server.");
					break;
				case 0:
					break;
				default: 
					IRIS.Message.error("There was a problem. RESPONSE CODE:" + code + " - " + response.responseText );
					break;
			}
		}
	};
	
}();

/**
* Custom Ext Component Registry
*/
IRIS.Components	= {};