window.MXOBJ = MXOBJ = window.MXOBJ||{};
MXOBJ.logger = {};

MXOBJ.attachEvent = MXOBJ.attachEvent || function(e,t,f) {if (e&&e.addEventListener)e.addEventListener(t, f, true); else e&&e.attachEvent('on'+t, f);};

MXOBJ.logger.redirectConsoleLogToDisplay = function() {
	if (MXOBJ.logger.oldLog) {return;}
	MXOBJ.logger.oldLog = console.log;
	console.log = function (s) {
        MXOBJ.logger.oldLog.apply(console, arguments);
		if (!MXOBJ.logger.consolediv) {
			let wrapper = document.createElement('div');
			let inp = document.createElement('input');
			let clear = document.createElement('button');
			MXOBJ.logger.consolediv = document.createElement('div');
			clear.innerHTML = 'C';
			clear.style = 'display:inline;';
			inp.style = 'width:90%;height:30px;display:inline;';
			MXOBJ.logger.consolediv.style = 'width:99%;height:170px;background-color:yellow;overflow:auto';
			inp.setAttribute('type', 'text');
			wrapper.setAttribute('id', 'mx_console_log');
			document.body.appendChild(wrapper);
			wrapper.style = 'position:absolute;left:0px;width:99%;height:200px;background-color:yellow;border:2px solid red;font-size:10px';
			wrapper.appendChild(clear);
			wrapper.appendChild(inp);
			wrapper.appendChild(MXOBJ.logger.consolediv);
			MXOBJ.attachEvent(inp, 'keyup', function(e) {e=e||window.event;if (e.keyCode===13) {console.log(eval(inp.value));}});
			MXOBJ.attachEvent(clear, 'click', function() {MXOBJ.logger.consolediv.innerHTML='';MXOBJ.logger.lastConsoleLog='';});
			MXOBJ.attachEvent(window, 'scroll', function() {MXOBJ.logger.setPos(wrapper);});
			MXOBJ.logger.setPos(wrapper);
		}
		if (MXOBJ.logger.lastConsoleLog===s) {
			MXOBJ.logger.consolediv.innerHTML += '÷';
		} else {
			MXOBJ.logger.consolediv.innerHTML += '<hr>' + s;
		}
		MXOBJ.logger.consolediv.scrollTop = MXOBJ.logger.consolediv.scrollHeight;
		MXOBJ.logger.lastConsoleLog = s;
    };	
	console.log('console.log has been redirected to a div.');
};

MXOBJ.logger.redirectConsoleLogToVariable = function() {
	if (MXOBJ.logger.oldLog) {return;}
	MXOBJ.logger.oldLog = console.log;
	MXOBJ.logger.oldErr = console.error;
	MXOBJ.logger.oldWarn = console.warn;
	MXOBJ.logger.oldInfo = console.info;
	MXOBJ.logger.oldTrace = console.trace;
	MXOBJ.logger.oldWinErr = window.onerror;
	MXOBJ.logger.logArr = [];
	console.log = function (s) {
        MXOBJ.logger.oldLog.apply(console, arguments);
		if (MXOBJ.logger.lastConsoleLog===s) {
			MXOBJ.logger.logArr[MXOBJ.logger.logArr.length-1] += '÷';
		} else {
			MXOBJ.logger.pushNewLineToArr('', s);
		}
		MXOBJ.logger.lastConsoleLog = s;
    };	
	console.error = function (s) {
        MXOBJ.logger.oldErr.apply(console, arguments);
		MXOBJ.logger.pushNewLineToArr('ERR: ', s);
    };
	console.warn = function (s) {
        MXOBJ.logger.oldWarn.apply(console, arguments);
		MXOBJ.logger.pushNewLineToArr('Warn: ', s);
    };
	console.info = function (s) {
        MXOBJ.logger.oldInfo.apply(console, arguments);
		MXOBJ.logger.pushNewLineToArr('Info: ', s);
    };
	console.trace = function (s) {
        MXOBJ.logger.oldTrace.apply(console, arguments);
		MXOBJ.logger.pushNewLineToArr('Trace: ', s);
    };
    
	window.onerror = function(s){
		MXOBJ.logger.oldWinErr && MXOBJ.logger.oldWinErr.apply(window, arguments);
		MXOBJ.logger.pushNewLineToArr('WERR: ', s);
	};
	console.log('console.log has been redirected to a variable: MXOBJ.logger.logArr');
};

MXOBJ.logger.pushNewLineToArr = function(prefix, s) {
	MXOBJ.logger.logArr.push(prefix + s);
	if (MXOBJ.logger.logArr.length>5000) {
		MXOBJ.logger.logArr = MXOBJ.logger.logArr.slice(1000, MXOBJ.logger.logArr.length);
		MXOBJ.logger.logArr.push('--- FIRST 1000 LINE DELETED FROM JS CONSOLE ARRAY ---');
	}
};

MXOBJ.logger.setPos = function(wrapper) {
	wrapper.style.top = (window.innerHeight - wrapper.offsetHeight + window.scrollY) + 'px';
	//console.log('setP: ' + wrapper.style.top);
};