var currentRowId=1;
var banktype = "bank-eu";

function renumberTableRows(){
	var cur = document.getElementById("currency").value;
	var row_no=1;
	var table = document.getElementById("tabbody");
	for (var i = 0, row; row = table.rows[i]; i++) {
		row.cells[0].innerHTML=row_no++;
		row.cells[4].innerHTML=cur;
	}
	return i;
}

function checkAllRows(){
	var row_no=1;
	var table = document.getElementById("tabbody");
	for (var i = 0, row; row = table.rows[i]; i++) {
		//	row.cells[0].innerHTML=row_no++;
		//
		var f=1
		var v =row.cells[f].firstElementChild.value;
		if ( !v ){  // Datum
			row.cells[f].firstElementChild.focus(); 
			showAlert(error_alert_date);
			return false;

		}
		
		f=2;
		v =row.cells[f].firstElementChild.value;
		if ( !v ){  // Datum
			row.cells[f].firstElementChild.focus(); 
			showAlert(error_alert_description);
			return false;

		}

		f=3;
		v =row.cells[f].firstElementChild.value;
		if ( !isFloat(v) ){  // Amount
			row.cells[f].firstElementChild.focus(); 
			showAlert(error_alert_sum);
			return false;
		}

	}
	return true;
}




function isMailable(){
	var row_no=1;
	var table = document.getElementById("tabbody");
	for (var i = 0, row; row = table.rows[i]; i++) {
		pdfs = row.cells[5].querySelector('input[name="file-count"]').value;
		if (pdfs==0)
			return false;
	}
	return true;
}



function isFloat(val) {
    var floatRegex = /^-?\d+(?:[.,]\d*?)?$/;
    if (!floatRegex.test(val))
        return false;

    val = parseFloat(val);
    if (isNaN(val))
        return false;
    return true;
}



function deleteTableRow(rowId){

    var target = document.getElementById("upload-target"+rowId);
//            this.message = app.message;    
//   var children = target.children;

    // delete all uploaded elements
/*    for (var i = 0; i < children.length; i++) {
	var tmp = children[i].getAttribute("data-id");
	    alert ("DEL");
	    alert (tmp);
	$K.ajax.post({
	    url: 'delete.php',
	    data: 'id='+tmp,
	    before: function(xhr) {},
	    success: function(response) {},
	    error: function(response) {}
	});
    }
  */  

    // delete the row from table
    var element = document.getElementById("trow"+rowId);

    element.parentNode.removeChild(element);
    renumberTableRows();

	
}


function countRows(){
	return renumberTableRows();
}


function showAlert(text) {
	$K.app.message.show( { message: `${text}`, position: 'centered', type: 'is-error' });
}



function setTableRow(id)
{
	var $node = $K.dom('#tabbody');
	var element = document.createElement('tr');
	element.setAttribute("id", "trow"+id);

	var e
	e = `<td>${a_date}
		<input type="hidden" name="date[${currentRowId}]" value="${a_date}" /></td>`;

	$node.append(element);
	element.innerHTML=(e);
 
}



function getUploadField(rid)
{
    	var e = $K.dom('#uploadfield');
	var uf =`<div class="upload"
		data-kube="upload"
		data-type="file" 
		data-multiple="true"
		data-target="#upload-target${rid}"
		data-url="upload.php?row=${rid}" data-url-remove="delete.php"
		data-progress="true"
		data-size="40"
		data-placeholder="` + expenses_table_file_placeholder + `"> 
		</div>
		<div id="upload-target${rid}" class="upload-target small"></div>
		</div>
		`;
	return uf;
}

	// old input field
	//+	 `<input class="tab_input" name="desc[${rid}]" type="text" placeholder="` + expenses_table_description_placeholder + `"/>`

function getRow(rid,num) {
	var cur = document.getElementById("currency").value;
	return "" 
		+ "<td data-label=\"Pos\">"
		+ `${num}`
		+"</td>"
		+ "<td data-label=\"Datum\">"
		+ 	`<input class="tab_input" name="date[${rid}]" value="" type="date" placeholder="Datum*"/>`
		+ "</td>"
		+ "<td data-label=\"Beschr.\">"
		+	 `<textarea class="tab_input" name="desc[${rid}]" >` + `</textarea>`
		+ "</td>"
		+ "<td data-label=\"Betrag\">"
		+ 	`<input class="tab_input" name="amount[${rid}] type="text" placeholder="0.00"/>`
		+ "</td>"
		+ "<td data-label=\"W&auml;hrung\" style=\"vertical-align: middle\">"
		+ cur

//		+
//		`<select name="currency[${rid}]" >
//			<option value="EUR">EUR</option>
//			<option value="USD">USD</option>
//			<option value="CHF">CHF</option>
//			<option value="XBT">XBT</option>
//		</select>`

		+ "</td>"
		+ "<td>"
		+ getUploadField(rid)
		+ "</td>"
		+
		`<td><span
		onclick="deleteTableRow(${rid})"
		class="close is-large">
		</span>
		</td>`;

}


var nextRid = 1

function addRow() {
	var $node = $K.dom('#tabbody');
	var e = getRow(nextRid,1);
	var element = document.createElement('tr');
	element.setAttribute("id", "trow"+nextRid);
	$node.append(element);
	element.innerHTML=(e);
	renumberTableRows();
	nextRid++;
}




$K.add('module', 'kaform', {
	init: function(app, context)
        {
            this.app = app;
            this.message = app.message;		
        },
	// catch event
        onmessage: {
            tabs: {
                opened: function(sender)
                {
                    console.log('Tab box is ',sender.getActiveBox().nodes[0]);

		banktype = sender.getActiveBox().nodes[0].attributes.id.value;

			console.log(banktype);

//			console.log(sender);	
//		  this.message.show({ message: 'My message' });
		}
            }
        },
	

    });

$K.init({
	observer: true,
	lang: 'en'
});


// startup is here



// on startup clear session on server
$K.ajax.get({
    url: 'clear.php',
    data: '', // or key=value object
    before: function(xhr) {},
    success: function(response) {},
    error: function(response) {}
});


function check_field(fieldid,message){
	var f = document.getElementById(fieldid).value;
	if (! f.trim().length ) {
		document.getElementById(fieldid).focus();
		showAlert(message)
		return false;
	}
	return true;
}

// add on table row
//addTableRow();
//
//
//
//
function downloadDocument2(){
	downloadDocument(true);
}

function downloadDocument1(){
	downloadDocument(false);
}


function downloadDocument(mail)
{


	if (!checkAllRows())
		return;


	if (!check_field("projectid", error_alert_projectid))
		return;

	if (!check_field("realname", error_alert_realname))
		return;

	if (!check_field("email", error_alert_email))
		return;

	if (banktype == "bank-eu"){
		iban = document.getElementById('iban');
		if (!IBAN.isValid(iban.value)){
			document.getElementById("iban").focus();
			showAlert(error_alert_iban);
			return;
		}
/*		if (!document.getElementById('bic').value.trim().length){
			document.getElementById("bic").focus();
			showAlert(error_alert_bic);
			return;
		}

*/
	}
	
	if (banktype == "bank-paypal"){
		ii = document.getElementById('paypal');
		if (!document.getElementById('paypal').value.trim().length){
			document.getElementById("paypal").focus();
			showAlert(error_alert_paypal);
			return;
		}
	}
	

	if (countRows()==0){
		document.getElementById("add_issue").focus();
		showAlert(error_alert_expenses);
		return;
	}

	if (!document.getElementById("agree").checked){
		document.getElementById("agree").focus();
		showAlert(error_alert_agreement);
		return;
	};


	if (mail){
		if (!isMailable()){
			showAlert(error_alert_ismailable);
			return;

		}

		document.getElementById('sendmail').value="yes";
		
	}
	else{
		document.getElementById('sendmail').value="no";
	}


	document.getElementById('banktype').value=banktype;
	document.getElementById("theform").submit(); 	


	
}


/*
function checkIban()
{
	iban = document.getElementById('iban');
	if(IBAN.isValid(iban.value))
	
	if( document.getElementById('eu').checked ) {

		if(IBAN.isValid(iban.value))
		{
                	if(iban.classList.contains('invalid')) iban.classList.remove('invalid');
                                        iban.classList.add('valid');
		}
                else {
			if(iban.classList.contains('valid')) iban.classList.remove('valid');
                                        iban.classList.add('invalid');
                                }
                        } else {
                                if(iban.classList.contains('invalid')) iban.classList.remove('invalid');
                                if(iban.classList.contains('valid')) iban.classList.remove('valid');
                        }
                }
*/