(function () {
    "use strict";
    angular.module('shared')
        .service('GenericDateService', [function GenericDateService() {
            var startDate = null;
            var stopDate = null;
            var observerCallbacks = [];
            var rosterFile = null;
            var datesInitialized = false;
            var selectedDateRange = null;
            var originalEndDate = null;
            var originalStartDate = null;


            function registerObserverCallback(callback) {
                if (callback == null) {
                    return;
                }
                observerCallbacks = [];
                observerCallbacks.push(callback);
            }

            function clearCallback() {
                observerCallbacks = [];
            }

            function refresh() {
                angular.forEach(observerCallbacks, function(callback){
                    callback();
                });
            }

            function setDateRange(mRange) {
                selectedDateRange = mRange;
            }

            function getDateRange() {
                return selectedDateRange;
            }

            function setOriginalEndDate(mOriginalEndDate) {
                originalEndDate = mOriginalEndDate;
            }

            function getOriginalEndDate() {
                return originalEndDate;
            }

            function setOriginalStartDate(mOriginalStartDate) {
                originalStartDate = mOriginalStartDate;
            }

            function getOriginalStartDate() {
                return originalStartDate;
            }

            function setStartDate(mDate) {
                datesInitialized = mDate != null;
                startDate = mDate;
            }

            function areDatesInitialized() {
                return datesInitialized;
            }

            function setStopDate(mDate) {
                stopDate = mDate;
            }

            function getStrippedStartDate(addDash) {
                if (addDash) {
                    return $j.datepicker.formatDate("yy-mm-dd", new Date(startDate.replace(/-/g, '/')));
                }
                return $j.datepicker.formatDate("yymmdd", new Date(startDate.replace(/-/g, '/')));
            }

            function getStrippedStopDate(addDash) {
                if (addDash) {
                    return $j.datepicker.formatDate("yy-mm-dd", new Date(stopDate.replace(/-/g, '/')));
                }
                return $j.datepicker.formatDate("yymmdd", new Date(stopDate.replace(/-/g, '/')));
            }

            function getStartDate() {
                return startDate;
            }

            function getStopDate() {
                return stopDate;
            }

            function getRosterFile() {
                return rosterFile;
            }

            function setRosterFile(mRosterFile) {
                rosterFile = mRosterFile;
            }

            return {
                areDatesInitialized: areDatesInitialized,
                registerObserverCallback: registerObserverCallback,
                refresh: refresh,
                setStartDate: setStartDate,
                setStopDate: setStopDate,
                getStartDate: getStartDate,
                getStopDate: getStopDate,
                getStrippedStartDate: getStrippedStartDate,
                getStrippedStopDate: getStrippedStopDate,
                setRosterFile: setRosterFile,
                getRosterFile: getRosterFile,

                setDateRange:setDateRange,
                getDateRange: getDateRange,
                setOriginalEndDate: setOriginalEndDate,
                getOriginalEndDate: getOriginalEndDate,
                setOriginalStartDate: setOriginalStartDate,
                getOriginalStartDate: getOriginalStartDate,
                clearCallback: clearCallback
            };
        }])
})();