//START:
$(document).ready(

        function() {
            // confirm exit
            window.onbeforeunload = confirmExit;
            // prevent submit by enter press
            lockEnter();
            // parent info
            $('#parent_id').on('inputchange', function() {
                $(".loading_panel").css("display", "block");
                setTimeout(function() {
                    getParentInfo($("#parent_id").val(), 'Accounts');
                }, 1000);
            });

            // categories
            getCategoriesList();
            // its vat free change
            $("#no_tax").change(function() {
                // calculate totals
                var count = $('#' + itemsTable + '_T tr').length - 1; // -1 -
                // thead row
                for (var index = 0; index != count; index++)
                    calculateRow(index);
            });
            $("#type").change(function() {
                if ($("#type :selected").val() == 'normal') {
                	if($('#new_number').val()==1){
                	
                		generateNumber();
                	}
                    
                } else {
                    generateNumberCorrect();
                }
            });
            $("#currency_id").change(function() {
                getNBPCurrencyExchange($("#currency_id :selected").val());

            });
			var previousVal;
			var pollInterval = setInterval(function() {
			    var val = $('#sell_date').val();
			    if (val !== previousVal) {
			    	getNBPCurrencyExchange($("#currency_id :selected").val());
			    }
			    previousVal = val;
			}, 500);
            $("#ecmlanguage").change(
                    function() {
                        if ($("#pdf_type :selected").val() == 'U'
                                || $("#pdf_type :selected").val() == 'E') {
                            changeVat();
                            calculateTotal();
                        }
                    });
            $("#pdf_type").change(
                    function() {
                        if ($("#pdf_type :selected").val() == 'U'
                                || $("#pdf_type :selected").val() == 'E') {
                            changeVat();
                            calculateTotal();
                        }
                    });
            $("#ecmpaymentcondition_id").on('inputchange', function() {
                $(".loading_panel").css("display", "block");
                setTimeout(function() {

                    calculatePaymentDate($("#ecmpaymentcondition_id").val());
                    $(".loading_panel").css("display", "none");

                }, 1000);
            });

            $('#paid_val').change(function() {
                calculateTotal();
            });
            $('#prepaid').change(function() {
                calculateTotal();
            });
            // searchProductInput change
            $('#searchProductsInput').keyup(function() {
                searchProducts();
            });
            DrawHeaders();

            if (($("#new_number").val() == true)
                    && ($("#is_correct").val() != true)
                    && ($("#is_wz").val() != true)
                    && ($("#is_sale").val() != true)
                    && ($("#multiDiscountCorrectInvoice").val() != true)
                    && ($("#is_return").val() != true)) {
                generateNumber($("#stock :selected").val());

            } else if (($("#new_number").val() == true)
                    && ($("#is_correct").val() == true)) {
                $('#searchProducts').hide();
                generateNumberCorrect();
                getParentInfo($("#parent_id").val(), 'Accounts');
                getItems();
            } else if (($("#new_number").val() == true)
                    && ($("#is_wz").val() == true)) {

                generateNumber($("#stock :selected").val());
                getParentInfo($("#parent_id").val(), 'Accounts');
                if($("#wz_zb_id").val()!=""){
                	
                	 getItemsZBFromWZ();
                } else {
               
                	 getItemsFromWZ();
                }
               

            } else if (($("#new_number").val() == true)
                    && ($("#is_sale").val() == true)) {
                generateNumber($("#stock :selected").val());
                getParentInfo($("#parent_id").val(), 'Accounts');
                getItemsFromSale();
                if ($("#ecmpaymentcondition_id").val() != '')
                    calculatePaymentDate($("#ecmpaymentcondition_id").val());

            } else if (($("#new_number").val() == true)
                    && ($("#is_return").val() == true)) {

                generateNumberCorrect();
                getParentInfo($("#parent_id").val(), 'Accounts');
                getItemsFromReturn();
            } else if (($("#new_number").val() == true)
                    && ($("#multiDiscountCorrectInvoice").val() == true)) {
                generateNumberCorrect();
                getParentInfo($("#parent_id").val(), 'Accounts');
                getItemsFromMDCI();
            } else {
                $('#document_no').prop("readonly",false);
                getParentInfo($("#parent_id").val(), 'Accounts');
                getItems();
            }
            $(".loading_panel").css("display", "none");
            // handle setItems
            setITEMS = function() {
                var formname = 'EditView';
                if (check_form_(formname) == true) {
                    SetTab('ITEMS');
                }
            };
        });

// handle save
var check_form_ = check_form;
check_form = function(formname) {
    window.onbeforeunload = null;
    if (items.length == 0) {
        alert("Brak produktów");
        return false;
    }
    $(".loading_panel").css("display", "block");
    // calculate totals
    var count = $('#' + itemsTable + '_T tr').length - 1; // -1 - thead row
    for (var index = 0; index != count; index++) {
        calculateRow(index);
        //total_vat must be != 0 if its country correct
        if ($('#pdf_type').val()=='K' && items[index].ecmvat_name=='0%' && items[index].product_corrected != 'true') {
        	alert("Niedopuszczalna, zerowa stawka VAT na fakturze krajowej.");
            $(".loading_panel").css("display", "none");
            return false;
        }
        if (items[index].price_netto == 0) {
            alert("Niedopuszczalna, zerowa cena netto.");
            $(".loading_panel").css("display", "none");
            return false;
        }
    }
    $("#total_netto").val($("#t_netto").val());
    $("#total_brutto").val($("#t_brutto").val());
    $("#discount").val($("#disc").val());
    $("#position_list").val(JSON.stringifyNoSecurity(items));
    if (check_form_(formname) == false) {
    	console.log('check_form error');
        window.onbeforeunload = confirmExit;
        $(".loading_panel").css("display", "none");
        return false;
    } else {
        return true;
    }

};
function confirmExit() {
    return "";
}

function lockEnter() {
    // prevent default
    $(window).keydown(function(event) {
        if (event.keyCode == 13 && $(":focus").prop('tagName') != 'TEXTAREA') {
            event.preventDefault();
            return false;
        }
    });
}