/**
 * @param method
 */
function upload_method(method) {

	// Also updates input and select_convert
	if (input === "input") {
		document.getElementById('input').value === "not_selected";
	}

	if (select_convert === "select_convert") {
		document.getElementById('select_convert').value === "not_selected";
	}
	
	if(method === "file") {
		document.getElementById("text_upload").value = "";
		document.getElementById("url_upload").value = "";
		document.getElementById("text_upload_tr").style.display = 'none';
		document.getElementById("url_upload_tr").style.display = 'none';
		document.getElementById("file_upload_tr").style.display = '';
	} else if (method === "url") {
		document.getElementById("text_upload").value = "";
		try {
			handleClearFiles();
		} catch (e){}
		document.getElementById("url_upload").value = "Your URL here";
		document.getElementById("url_upload").focus();
		document.getElementById("text_upload_tr").style.display = 'none';
		document.getElementById("url_upload_tr").style.display = '';
		document.getElementById("file_upload_tr").style.display = 'none';
	} else if (method === "text") {
		document.getElementById("url_upload").value = "";
		try {
			handleClearFiles();
		} catch (e){}
		document.getElementById("text_upload").value = "Your Model here";
		document.getElementById("text_upload").focus();
		document.getElementById("text_upload_tr").style.display = '';
		document.getElementById("url_upload_tr").style.display = 'none';
		document.getElementById("file_upload_tr").style.display = 'none';
	}
}

/**
 * 
 */
function getLanguages()  {
	let xmlDoc;

	// Making an Ajax call to get the list of languages supported as input.
	$.ajax({
		// The URL for the request
		url: "config/converters.xml",
		// The data to send (will be converted to a query string)
		data: {
		},
		// Set to false if the request should be sent synchronously.
		async: false,
		// Whether this is a POST or GET request
		type: "GET",
		// The type of data we expect back
		dataType : "xml",
		// Code to run if the request succeeds;
		// the response is passed to the function
		success: function(xml) {
			console.log("All supported standards/formats have been loaded successful!" + xml);
			xmlDoc = xml;
		},
		// Code to run if the request fails; the raw request and
		// status codes are passed to the function
		error: function(xhr, status, errorThrown) {
			console.log("Error: " + errorThrown);
			console.log("Status: " + status);
			console.dir(xhr);
		},
		// Code to run regardless of success or failure
		complete: function(xhr, status) {
			console.log("Loading all supported standards/formats is completed!");
		}
	});
  

	var listLanguages = xmlDoc.getElementsByTagName('listlanguages').item(0);
	var rep = "<option value='not_selected' selected>Select ...";
	var languages = listLanguages.getElementsByTagName('language'); 
	var i = 0;
	
	for(; i < languages.length; i++){
		var addrsElem = languages[i];
		var modelElem = addrsElem.getElementsByTagName('model')[0];
		var nameElem = addrsElem.getElementsByTagName('name')[0];
		var tooltipElem = addrsElem.getElementsByTagName('tooltip')[0];
		var name = nameElem.firstChild.data;
		var modelName = modelElem.firstChild.data;
		var tooltip = tooltipElem.firstChild.data;	
		
		if (nameElem.text) { // TODO - replace by jquery call
			// code for IE
			name = nameElem.text;
			modelName = modelElem.text;
			tooltip = tooltipElem.text;
		}
		
		// he code for adding tooltips is commented.
		//rep += "<option value=" + modelName + " title=" + tooltip + ">" + name;
		rep += "<option value=" + modelName + ">" + name;
	}
	
	$('#input').html(rep); // replace, using jquery, the content of the html element with id 'input'.
}


/**
 * 
 */
function getConvertors()
{
	if(document.getElementById("input").value !== "not_selected") {

		let xmlDoc;
		// Making an Ajax call to get the input/output formats
		$.ajax({
			// The URL for the request
			url: "config/converters.xml",
			// The data to send (will be converted to a query string)
			data: {
			},
			// Set to false if the request should be sent synchronously.
			async: false,
			// Whether this is a POST or GET request
			type: "GET",
			// The type of data we expect back
			dataType : "xml",
			// Code to run if the request succeeds;
			// the response is passed to the function
			success: function( xml ) {
				console.log( "The request is successful!" + xml);
				xmlDoc = xml;
			},
			// Code to run if the request fails; the raw request and
			// status codes are passed to the function
			error: function( xhr, status, errorThrown ) {
				console.log( "Error: " + errorThrown );
				console.log( "Status: " + status );
				console.dir( xhr );
			},
			// Code to run regardless of success or failure
			complete: function( xhr, status ) {
				console.log( "The request is complete!" );
			}
		});		

		
		// Create the list of available format conversions.
		var listConvertors = xmlDoc.getElementsByTagName('listconvertors').item(0);
		var rep ="<option value='not_selected' selected>Select ...";
		var listLanguages = xmlDoc.getElementsByTagName('listlanguages').item(0);		
		var inp ="";
		var i;
		
		for(i=0;i<listConvertors.getElementsByTagName('convertor').length;i++){
			var addrsElem = listConvertors.getElementsByTagName('convertor')[i];

			if(addrsElem.getElementsByTagName('inputRef')[0].firstChild.data === document.getElementById("input").value) {
				// he code for adding tooltips is commented.
				//rep += "<option value="+addrsElem.attributes.getNamedItem("id").value+" title="+addrsElem.getElementsByTagName("tooltip")[0].firstChild.data+">"+addrsElem.getElementsByTagName('display')[0].firstChild.data;
				rep += "<option value="+addrsElem.attributes.getNamedItem("id").value+">"+addrsElem.getElementsByTagName('display')[0].firstChild.data;				
			}
		}		
		$('#select_convert').html(rep);  // replace, using jquery, the content of the html element with id 'select_convert'.		
		
		
		// Extract the description for the selected input model.
		for(i=0;i<listLanguages.getElementsByTagName('language').length;i++){
			var inputElem = listLanguages.getElementsByTagName('language')[i];
			if(inputElem.getElementsByTagName('model')[0].firstChild.data === document.getElementById("input").value) {
				inp = inputElem.getElementsByTagName('description')[0].firstChild.data; // TODO - get the full html content
			}
		}		
		$('#input_description').html(inp);  // replace, using jquery, the content of the html element with id 'input_description'.		
		
		
		// Update "OK Flag"
		document.getElementById("valid_input").style.display = "";
		document.getElementById("valid_convertor").style.display = "none";
		document.getElementById("input_description").style.display = "";
		document.getElementById("output_description").style.display = "none";		
		
	} else {
		// No input format is selected. Don't make a list of available output format
		var rep ="<option value='not_selected' selected>Select ...";
		$('#select_convert').html(rep);  // replace, using jquery, the content of the html element with id 'select_convert'.
		// Update "OK Flag"		
		document.getElementById("valid_input").style.display = "none";				
		document.getElementById("valid_convertor").style.display = "none";
		document.getElementById("input_description").style.display = "none";
		document.getElementById("output_description").style.display = "none";				
	}
	
}


/**
 * 
 */
  function selectConvert() {
	if (document.getElementById("select_convert").value !== "not_selected") {
		
		var xmlDoc;

	  	// Making an Ajax call to get the input/output formats
		$.ajax({
			// The URL for the request
			url: "config/converters.xml",
			// The data to send (will be converted to a query string)
			data: {
			},
			// Set to false if the request should be sent synchronously.
			async: false,
			// Whether this is a POST or GET request
			type: "GET",
			// The type of data we expect back
			dataType : "xml",
			// Code to run if the request succeeds;
			// the response is passed to the function
			success: function( xml ) {
				console.log( "The request is successful!" + xml);
				xmlDoc = xml;
			},
			// Code to run if the request fails; the raw request and
			// status codes are passed to the function
			error: function( xhr, status, errorThrown ) {
				console.log( "Error: " + errorThrown );
				console.log( "Status: " + status );
				console.dir( xhr );
			},
			// Code to run regardless of success or failure
			complete: function( xhr, status ) {
				console.log( "The request is complete!" );
			}
		});		
		
		var out ="";
		var i;		
		var listConvertors = xmlDoc.getElementsByTagName('listconvertors').item(0);	

		// Now, extract the description for the selected output model.
		for(i=0;i<listConvertors.getElementsByTagName('convertor').length;i++){
			var outputElem = listConvertors.getElementsByTagName('convertor')[i];
			if(outputElem.attributes.getNamedItem("id").value === document.getElementById("select_convert").value) {
				out = outputElem.getElementsByTagName('description')[0].firstChild.data;
			}
		}		
		$('#output_description').html(out);  // replace, using jquery, the content of the html element with id 'output_description'.		
		

		document.getElementById("valid_convertor").style.display = "";
		document.getElementById("output_description").style.display = "";		
		document.getElementById('file_upload').style.display = '';
		document.getElementById('email').style.display = '';
	} else {
		// No output format is selected.
		document.getElementById("valid_convertor").style.display = "none";
		document.getElementById("output_description").style.display = "none";		
	}	
	
		
}