/*!

* FullCalendar v1.6.4 Google Calendar Plugin
* Docs & License: http://arshaw.com/fullcalendar/
* (c) 2013 Adam Shaw
*/

(function($) {

var fc = $.fullCalendar; var formatDate = fc.formatDate; var parseISO8601 = fc.parseISO8601; var addDays = fc.addDays; var applyAll = fc.applyAll;

fc.sourceNormalizers.push(function(sourceOptions) {

if (sourceOptions.dataType == 'gcal' ||
        sourceOptions.dataType === undefined &&
        (sourceOptions.url || '').match(/^(http|https):\/\/www.google.com\/calendar\/feeds\//)) {
                sourceOptions.dataType = 'gcal';
                if (sourceOptions.editable === undefined) {
                        sourceOptions.editable = false;
                }
        }

});

fc.sourceFetchers.push(function(sourceOptions, start, end) {

if (sourceOptions.dataType == 'gcal') {
        return transformOptions(sourceOptions, start, end);
}

});

function transformOptions(sourceOptions, start, end) {

var success = sourceOptions.success;
var data = $.extend({}, sourceOptions.data || {}, {
        'start-min': formatDate(start, 'u'),
        'start-max': formatDate(end, 'u'),
        'singleevents': true,
        'max-results': 9999
});

var ctz = sourceOptions.currentTimezone;
if (ctz) {
        data.ctz = ctz = ctz.replace(' ', '_');
}

return $.extend({}, sourceOptions, {
        url: sourceOptions.url.replace(/\/basic$/, '/full') + '?alt=json-in-script&callback=?',
        dataType: 'jsonp',
        data: data,
        startParam: false,
        endParam: false,
        success: function(data) {
                var events = [];
                if (data.feed.entry) {
                        $.each(data.feed.entry, function(i, entry) {
                                var startStr = entry['gd$when'][0]['startTime'];
                                var start = parseISO8601(startStr, true);
                                var end = parseISO8601(entry['gd$when'][0]['endTime'], true);
                                var allDay = startStr.indexOf('T') == -1;
                                var url;
                                $.each(entry.link, function(i, link) {
                                        if (link.type == 'text/html') {
                                                url = link.href;
                                                if (ctz) {
                                                        url += (url.indexOf('?') == -1 ? '?' : '&') + 'ctz=' + ctz;
                                                }
                                        }
                                });
                                if (allDay) {
                                        addDays(end, -1); // make inclusive
                                }
                                events.push({
                                        id: entry['gCal$uid']['value'],
                                        title: entry['title']['$t'],
                                        url: url,
                                        start: start,
                                        end: end,
                                        allDay: allDay,
                                        location: entry['gd$where'][0]['valueString'],
                                        description: entry['content']['$t']
                                });
                        });
                }
                var args = [events].concat(Array.prototype.slice.call(arguments, 1));
                var res = applyAll(success, this, args);
                if ($.isArray(res)) {
                        return res;
                }
                return events;
        }
});

}

// legacy fc.gcalFeed = function(url, sourceOptions) {

return $.extend({}, sourceOptions, { url: url, dataType: 'gcal' });

};

})(jQuery);