var GCalHolidays = {
	userId: "ryokuyou.holiday@gmail.com",
//	userId: "ryokuyou.events%40gmail.com",
	maxResults: 62,
	eventURL: 'https://twitter.com/',
	apiKey: 'AIzaSyCJfsp-ooCdMwAuxZJ6HFPHjeM5msdgcUg',
	datepickerStyles: {
		"weekday": "text-align: center;",
		"sunday":   "background-image: none;", //日曜日
		"saturday": "background-image: none;", //土曜日
		"holiday":  "background-image: none; background-color: #f8e76d; color: #f00;"  //祝日
	}
};
(function($){

GCalHolidays.get = function(callback, year, month, nyear, nmonth) {

	var y;
	var m;
	var ny;
	var nm;

	if(month){
		y = year || new Date().getFullYear();
		m = month;
	}else{
		y = year - 1 || new Date().getFullYear() ;
		m = 12;
	}

	if(nmonth){
		ny = nyear || new Date().getFullYear();
		nm = nmonth;
	}else{
		ny = nyear - 1 || new Date().getFullYear() ;
		nm = 12;
	}

	this._userCallback = callback;

	var gurl = '/ggc/ggc.php?calendar_id='+ 
				this.userId + '&api_key=' + this.apiKey + 
				'&year_from=' + y + 
				'&month_from=' + m + 
				'&year_to=' + ny + 
				'&month_to=' + nm + 
				'&max_results=' + this.maxResults + 
				'&out_prm=c';

	$.ajax({
		url: gurl,
		scriptCharset: 'utf-8',
		cache:false,
		type: 'get',
		dataType: 'json',
		success: function(data, stts) {

			var days =[];

			for(var i in data.items){
				var xx = data.items[i].start.date.match(/(\d{4})\-(\d{2})\-(\d{2})/);
				var myyyyy = RegExp.$1;
				var mymm = RegExp.$2;
				var mydd = RegExp.$3;

				days[i] = { year: myyyyy * 1, month: mymm * 1, date: mydd * 1, title: data.items[i].summary };
			}

			GCalHolidays._userCallback(days,0);

		},
		error: function(res_error) {
//			alert(gurl+res_error.responseText);
		}
	});
	return;
};

function setLink(inst, elm, holiday, index, eventURL){
	//会社休日のstyle
	var companyStyle = "company";
	//イベントのstyle
	//祝日のstyle
	var holidayStyle = "holiday";

	if ($(elm).text() == holiday.date ) {
		var title = $(elm).attr("title");
		if(title) title = title + '/' + holiday.title;
		else title= holiday.title;
		if(index == 0){
			$(elm).attr("title", title).removeClass("ui-state-highlight").addClass(holidayStyle);
		} else if(index == 1) {
			$(elm).attr("title", title).removeClass("ui-state-highlight").addClass(companyStyle);
		}
		return false;
	}

}

GCalHolidays.datepicker = function(year, month, inst) {

	if(!month){
		year = year-1;
		month = 12;
	}

	var nextDate = new Date(year, month, 1);

	var nextYear = nextDate.getYear();
	if (nextYear < 2000) { nextYear += 1900; }
	var nextMonth = nextDate.getMonth()+1;
	var firstIDName = "datetime_month_" + month;
	var lastIDName = "datetime_month_" + nextMonth;

	setTimeout(function() { //処理後に対象のdivが再構築されるケースを回避
			GCalHolidays.get(function(holidays, index, eventURL) {

				for (var j = 0; j < holidays.length; j++) {
					var holiday = holidays[j];

					if(year == holiday.year && month==holiday.month) {
						$("#" + firstIDName).find("a").each(function(e){setLink(inst, this, holiday, index, eventURL)});
					}
					if(nextYear == holiday.year && nextMonth==holiday.month) {
						$("#" + lastIDName).find("a").each(function(e){setLink(inst, this, holiday, index, eventURL)});
					}
				}
			}, year, month, nextYear, nextMonth);
	}, 1);
};

if (window.$ && $.datepicker && $.datepicker.setDefaults) {
	$.datepicker.setDefaults({
		onShow: function(year, month, inst){
			var date =	 new Date(year, month, 1);
			GCalHolidays.datepicker(date.getFullYear(), date.getMonth(), inst);
		}
	});
}
})(jQuery);