//http://trentrichardson.com/examples/timepicker/#rest_examples

// angular: http://docs.angularjs.org/api/ng.filter:date

//.net: http://msdn.microsoft.com/en-us/library/8kb3ddd4(v=vs.110).aspx

// jquery: http://api.jqueryui.com/datepicker/

//http://trentrichardson.com/examples/timepicker/#slider_examples

evoapp.directive('datepicker', function($timeout, $filter, globals) {

    var options;
    options = {};

    return {
        restrict: 'A',
        require: '?ngModel',
        link : function (scope, element, attrs, controller) {

            //convert angularjs formats to jquery format
            var dateFormat = $dateFormat.convert(globals.settings.dateFormat, $dateFormat.angularjs, $dateFormat.jquery);
            var timeFormat = $dateFormat.convert(globals.settings.timeFormat, $dateFormat.angularjs, $dateFormat.jquery);

            //parse attributes
            var showTime = attrs.showTime != undefined ? scope.$eval(attrs.showTime) : false,
                timeOnly = attrs.timeOnly != undefined ? scope.$eval(attrs.timeOnly) : false;

            if (controller) {

                controller.$render = function () {

                    var date = controller.$viewValue;
                 
                    if(angular.isDate(date))
                    {                   
                        $(element).datetimepicker('setDate', date);

                        controller.$setViewValue(controller.$viewValue);
                    }
                };
            };

            $(element).datetimepicker('destroy');

            //TODO: see _defaults line, line 48 !

            $(element).datetimepicker({

                separator: showTime ? ' ' : '',

                firstDay: 1,

                timeFormat: showTime ? timeFormat : '',//HH:mm
                dateFormat: dateFormat,//dd-mm-yy

                stepHour: 1,
                stepMinute: 5,
                stepSecond: 10,

                showButtonPanel: true,
			    timeOnly: timeOnly,

			    showHour: null,
			    showMinute: null,
			    showSecond: null,
			    showMillisec: null,
			    showMicrosec: null,
			    showTimezone: null,
			    showTime: showTime,

                currentText: 'Hoje',
                closeText: '<i class="glyphicon glyphicon-remove text-muted"></i>',

                beforeShow: function(input, dp_inst){

                    var $datePicker = $(element);
                    var zIndexModal = $datePicker.closest(".modal-scrollable").css("z-index");

                    zIndexModal++;        
                    
                    setTimeout(function(){
                        $('#ui-datepicker-div').css("z-index", zIndexModal); 
                    }, 0);                    
                },
                onClose: function(dateText, inst) {

                    scope.$emit('onClose', {dateText: dateText, inst: inst});                    
                },
                onSelect: function (selectedDateTime){

                    scope.$emit('onSelect', {selectedDateTime: selectedDateTime});     
                    
                    //if(!showTime)
                    //{
                    //    $(element).datetimepicker('hide');
                    //}
                }
            });

            $(element).change(function(el){

                if (controller){

                    var date = $(element).datetimepicker('getDate');

                    if(angular.isDate(date) && !scope.$$phase)
                    {
                        scope.$apply(function () {
                            controller.$setViewValue(date);

                            $(element).blur();
                        });
                    }
                }
            });

            scope.domEl = $(element);
            
            if(attrs.itemId != undefined)
            {
                //TODO: this might differ - scope might refer to the controller and in other places refer to this only!
                //TODO: we might need to check if 'scope.$parent' is a valid controller
                //TODO: use scope or scope.$parent for creating an instance of this control in the parent controller/view

                //add reference to this datepicker, in controller
                if(scope.$parent[attrs.itemId] == undefined)
                {
                    scope.$parent[attrs.itemId] = scope;
                }
                else
                {
                    throw Error('datepicker ' + attrs.itemId + ' already exists!');
                }
            }

            if (controller) {
                controller.$render();
            }
        }
    }
});