$(document).ready(function(){	

//	$("#upload-button").uploadFile({
//		url : "uploader.php",
//		fileName : "myfile",
//		maxFileCount : 100,
//		multiple : false,
//		maxFileSize : 1024 * 1000 * 1,
//		showFileCounter : false,
//		showCancel : true,
//		allowedTypes : "txt",
//		//dragDropStr : "<img class='img-prompt' src='images/upload.png' width='60px' height='60px' style='display:block; margin:auto;'>",
//		doneStr : "Done",
//		abortStr : "End",
//		cancelStr : "Cancel",
//		extErrorStr : "Only text file (.txt), please",
//		sizeErrorStr : "Max size: 1 Mb",
//		onLoad : function(obj) {
//			//resizeTutor();
//		},
//		onSuccess : function(files, data, xhr) {
//			alert("Success");
//			/*$(".ajax-file-upload-statusbar")
//					.hide();
//				$(".obfuscating").css('opacity', '0.6');
//			$(".obfuscating").show();
//			$("#uploadedimg").attr("src", "images/" + uName + "/" + files[0]);
//			source = $("#uploadedimg").attr("src");
//			window.setTimeout(function(){ sizePopupUpload(); $("#popup-1-section").show();}, 500);*/
//		},
//		onError : function(files, status,
//				errMsg, pd) {
//			alert(errMsg);
//		}
//	});

	
	$( "#execute-button" ).click(function() {
		var firstnameBox =  $.trim( $('#input-textarea').val() )
		if (firstnameBox == "") {
			$('#input-textarea').css("border-color","red");
			$('#input-textarea').attr("placeholder", "Paste your text here!");
		}
		else {
			$('#input-textarea').css("border-color","#555");
			doStartComputation();
		}
	});

	doCallback = function(uri) {
		$.ajax({
			url : "nlphub-servlet",
			type : 'GET',
			datatype : 'json',
			data : {
				uri :  uri
			},
			success : function(data) {
				var obj = eval("(" + data + ")");
				var str = JSON.stringify(obj, undefined, 4);
				$('#result').html(syntaxHighlight(str));
			}
		});
	}

	doStartComputation = function() {
		var options = "default";
		options = $("input[type=checkbox]:checked").map(
				function () {return this.value;}).get().join("|");
		$('#result').html("");
		//var token2Send = getUrlParameter("token") == null ? "" : getUrlParameter("token");
		var tokenParam = getUrlParameter("token");
		var token2Send = ((tokenParam == null) || (tokenParam.length == 0)) ? "18fed2d9-030b-4c77-93af-af2015d945f7-843339462" : getUrlParameter("token");
		
		webSocket.send({
			'action': 'start',
			'text' :  $("#input-textarea").val(),
			'options' : options,
			'token' : token2Send
		}).done(function() {
			showProgressBar(true);
			enableCommands(false);
		}).fail(function(e) {
			console.log("failed");
		});
	}

	doHandleResponse = function(message) {
		if (message.response == "error") {
			$('#result').html("<span style='color: red;'>"+message.value+"</span>");
			enableCommands(true);
			showProgressBar(false);
		} 
		else if (message.response == "computing") {
			showProgressBar(true);
			enableCommands(false);
		} 
		else if (message.response == "computed") {
			showProgressBar(false);
			enableCommands(true);
			console.log("message="+message.value);
			if (message.value.startsWith("http")) {
				$('#downloadLink').html("Result:&nbsp;<a class=\"waves-effect waves-light btn  red darken-1\" href=\""+message.value+"\">Download</a>&nbsp;" +
						"<a class=\"waves-effect waves-light btn blue darken-1\" href=\"Javascript:doCallback(encodeURI('"+message.value.trim()+"'));\">View</a>");
			} 
		}
	}
});

function showProgressBar(show) {
	var display = (show) ? "visible" : "hidden";
	$('#progressBar').css('visibility', display);
}

function enableCommands(enable) {
	if (enable) {
		$('#execute-button').removeAttr("disabled");
		$('#execute-button').text('Execute');
		$('input[type=checkbox]').removeAttr("disabled");
	} else {
		$('#execute-button').text('Computing ...');
		$('input[type=checkbox]').attr('disabled', 'true');
		$('#execute-button').attr('disabled', 'disabled');
		$('#downloadLink').html("");
	}
}

function syntaxHighlight(json) {
	if (typeof json != 'string') {
		json = JSON.stringify(json, undefined, 1);
	}
	json = json.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
	return json.replace(/("(\\u[a-zA-Z0-9]{4}|\\[^u]|[^\\"])*"(\s*:)?|\b(true|false|null)\b|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?)/g, function (match) {
		var cls = 'number';
		if (/^"/.test(match)) {
			if (/:$/.test(match)) {
				cls = 'key';
			} else {
				cls = 'string';
			}
		} else if (/true|false/.test(match)) {
			cls = 'boolean';
		} else if (/null/.test(match)) {
			cls = 'null';
		}
		return '<span class="' + cls + '">' + match + '</span>';

	});
}

function getUrlParameter(name) {
	name = name.replace(/[\[]/, '\\[').replace(/[\]]/, '\\]');
	var regex = new RegExp('[\\?&]' + name + '=([^&#]*)');
	var results = regex.exec(location.search);
	return results === null ? '' : decodeURIComponent(results[1].replace(/\+/g, ' '));
};