var isChanged = false;

$(function() {
    $(window).scroll(updateStickyFooter).trigger("scroll");

    function updateStickyFooter() {
        if($('footer').length){
            if($(document).scrollTop() + window.innerHeight < $('footer').offset().top){
                $('.navbar').css('bottom', '0px');
            }else{
                $('.navbar').css('bottom', (window.innerHeight - ($('footer').offset().top - $(document).scrollTop()) )+'px');
            }
        }
    }

    $('.panel-collapse').on('hidden.bs.collapse', function () {
        updateStickyFooter();
    });
    
    $('.panel-collapse').on('shown.bs.collapse', function () {
        updateStickyFooter();
    });
        
    $(':input').change(function() {
        isChanged = true;
    });

    $(".infoTextIcon").click(function() {
        $('#infoText').slideToggle(300);
        $(".infoTextIcon").toggle();
    });

    $(".infoTextStyle").click(function() {
        $('#infoText').slideToggle(300);
        $(".infoTextIcon").toggle();
    });

    // Municipality picker
    $('.ui-chkbox-box').click(function() {
        isChanged = true;
    });
    
    $.fn.focusNextInputField = function() {
        return this.each(function() {
            var fields = $(this).parents('form:eq(0),body').find('button,input,textarea,select:not([onchange])');
            var index = fields.index( this );
            if ( index > -1 && ( index + 1 ) < fields.length ) {
                fields.eq( index + 1 ).focus();
            }
            return false;
        });
    };

    $.fn.focusPreviousInputField = function() {
        return this.each(function() {
            var fields = $(this).parents('form:eq(0),body').find('button,input,textarea,select:not([onchange])');
            var index = fields.index( this );
            if ( index > -1 && ( index + 1 ) < fields.length ) {
                fields.eq( index - 1 ).focus();
            }
            return false;
        });
    };
    
    //hijack tabkey
    $(":input").on("keydown", function (event) {
        if(event.shiftKey && event.keyCode == 9) {
            event.preventDefault();
            $(event.target).focusPreviousInputField();
        } else if(event.keyCode == 9) {
            event.preventDefault();
            $(event.target).focusNextInputField();
        }
    });
    
});

//avoid undefined error on pages without primefaces.js
if (typeof PrimeFaces === 'object') {

    // extend calendar close
    PrimeFaces.widget.Calendar.prototype.fireDateSelectEvent = (function(old) {
        function extendsFireDateSelectEvent() {
            old.apply(this, null);
            $(this.input.selector).focus();
        }

        return extendsFireDateSelectEvent;
    })(PrimeFaces.widget.Calendar.prototype.fireDateSelectEvent);

    PrimeFaces.widget.SelectOneMenu.prototype.hide = (function(old) {
        function extendsHide() {
            old.apply(this, null);
            $(this.focusInput.selector).focus;
        }

        return extendsHide;
    })(PrimeFaces.widget.SelectOneMenu.prototype.hide);
}

function showSaveDialog(message) {
    if(isChanged) {
        return confirm(message);
    } else {
        return true;
    }
}

function showSaveDlgOrBlockUI(msg, loadMsg, opts) {
    if(!showSaveDialog(msg)){
        return false;
    }
    blockUIWhileLoading(loadMsg, {fadeIn: 0});
}

function setChanged(){
    isChanged = true;
}

function resetChanged() {
    isChanged = false;
}

function resetAfterSave(data) {
    if (data.status === "success") {
        isChanged = false;
    }
}

function limitTextArea(element, limit, strMessage) {
    var newLineCount = (element.value.match(/\r\n|\n/g) || []).length;
    if ((element.value.length + newLineCount) > limit) {
        element.value = element.value.substring(0, limit - newLineCount);
    }
}

function textAreaCount(textField, target, maxLimit){
    var newlineCount = (textField.value.match(/(\r\n|\n|\r)/g) || []).length;
    var fullCount = textField.value.length + newlineCount;
    document.getElementById(target).innerHTML = fullCount + " / " + maxLimit;
}

function blockUIWhileLoading(message, opts) {
    $.blockUI.defaults.baseZ = 2000; 
    opts = typeof opts !== 'undefined' ? opts : {};
    var htmlMessage = "<div style=\"padding-top: 35px; padding-bottom: 10px; text-align: center; background: url('../resources/img/ajax-loader.gif') center top no-repeat; \">"+message+"</div>";
    opts["message"] = htmlMessage;
    $.blockUI(opts);
}

var currentFocus = null;
var currentValue1 = null; //ugly fix, consider refactor. currentValue1 and currentValue2 were introduced as a fix
var currentValue2 = null; //for a bug that caused cursor issue when tabbing to next input field, that caused incorrect input.
function setFocus(data) {
    if(data.status === "complete") {
        currentFocus = $(':focus').attr('id');
        if (currentFocus !== undefined) {
            currentValue1 = $("#"+currentFocus.replace(/:/g,"\\:")).val();
        }
    }

    if(data.status === "success") {
        if(currentFocus !== undefined) {
            currentValue2 = $("#"+currentFocus.replace(/:/g,"\\:")).val();
            if(currentValue1 === currentValue2) {
                $("#"+currentFocus.replace(/:/g,"\\:")).select();
            } else {
                $("#"+currentFocus.replace(/:/g,"\\:")).focus();
                $("#"+currentFocus.replace(/:/g,"\\:")).val('');
                $("#"+currentFocus.replace(/:/g,"\\:")).val(currentValue1);
            }
        }
    }
}

function refresh(data) {
    setFocus(data);
}

function hideNavBar() {
    $('.navbar-fixed-bottom').css("z-index","50");
}

function showNavBar() {
    $('.navbar-fixed-bottom').css("z-index","1030");
}