/*
	#################################################
	#    Auto: Thiago Silva (Pedreiro Digital)      #
	#         www.pedreirodigitalweb.com.br         #       
	#################################################
*/

(function($) { 
   
	function calendarWidget(el, params) { 
		
		var now   = new Date();
		var thismonth = now.getMonth();
		var thisyear  = now.getYear() + 1900;
		
		var opts = {
			month: thismonth,
			year: thisyear,
		};
		
		$.extend(opts, params);
		
		var monthNames = ['Jan', 'Fev', 'Mar', 'Abr', 'Mai', 'Jun', 'Jul', 'Ago', 'Set', 'Out', 'Nov', 'Dez'];
		var dayNames = ['D', 'S', 'T', 'Q', 'Q', 'S', 'S'];
		month = i = parseInt(opts.month);
		year = parseInt(opts.year);
		var m = 0;
		var table = '';
		
			// next month
			if (month == 11) {
				var next_month = '<a href="?month=' + 1 + '&amp;year=' + (year + 1) + '" title="' + monthNames[0] + ' ' + (year + 1) + '">' + monthNames[0] + ' ' + (year + 1) + '</a>';
			} else {
				var next_month = '<a href="?month=' + (month + 2) + '&amp;year=' + (year) + '" title="' + monthNames[month + 1] + ' ' + (year) + '">' + monthNames[month + 1] + ' ' + (year) + '</a>';
			}
				
			// previous month
			if (month == 0) {
				var prev_month = '<a href="?month=' + 12 + '&amp;year=' + (year - 1) + '" title="' + monthNames[11] + ' ' + (year - 1) + '">' + monthNames[11] + ' ' + (year - 1) + '</a>';
			} else {
				var prev_month = '<a href="?month=' + (month) + '&amp;year=' + (year) + '" title="' + monthNames[month - 1] + ' ' + (year) + '">' + monthNames[month - 1] + ' ' + (year) + '</a>';
			}		
				
			//table += ('<h3 id="current-month">'+monthNames[month]+' '+year+'</h3>');
			//uncomment the following lines if you'd like to display calendar month based on 'month' and 'view' paramaters from the URL
			//table += ('<div class="nav-prev">'+ prev_month +'</div>');
			//table += ('<div class="nav-next">'+ next_month +'</div>');
			
			table += ('<table class="calendar-month " ' +'id="calendar-month'+i+' " cellspacing="0">');	
		
			table += '<tr>';
			
			for (d=0; d<7; d++) 
			{
				table += '<th class="weekday">' + dayNames[d] + '</th>';
			}
			
			table += '</tr>';
		
			var days = getDaysInMonth(month,year);
            var firstDayDate=new Date(year,month,1);
            var firstDay=firstDayDate.getDay();
			
			var prev_days = getDaysInMonth(month,year);
            var firstDayDate=new Date(year,month,1);
            var firstDay=firstDayDate.getDay();
			
			var prev_m = month == 0 ? 11 : month-1;
			var prev_y = prev_m == 11 ? year - 1 : year;
			var prev_days = getDaysInMonth(prev_m, prev_y);
			firstDay = (firstDay == 0 && firstDayDate) ? 7 : firstDay;
			
			var data_atual = new Date();
			var dia_atual = data_atual.getDate();
			var id_data = 0;
	
			var i = 0;
            for (j=0;j<42;j++)
			{			  
              if ((j<firstDay)){

                table += ('<td class="other-month">&nbsp;</td>');
			  } else if ((j>=firstDay+getDaysInMonth(month,year))) {
				i = i+1;
                table += ('<td class="other-month">&nbsp;</td>');			 
              }else{
					if(datas_base[id_data] == ((j-firstDay+1)<=9?'0'+(j-firstDay+1):(j-firstDay+1))+'/'+((month+1)<=9?'0'+(month+1):(month+1)))
					{
						table += ('<td class="current-month day'+(j-firstDay+1)+'"><span class="today">'+(j-firstDay+1)+'</span></td>');
						id_data++;
					}
					else
					{
						table += ('<td class="current-month day'+(j-firstDay+1)+'"><span>'+(j-firstDay+1)+'</span></td>');
					}
              }
              if (j%7==6)  table += ('</tr>');
            }
            table += ('</table>');
		el.html(table);
	}
	
	function getDaysInMonth(month,year)  {
		var daysInMonth=[31,28,31,30,31,30,31,31,30,31,30,31];
		if ((month==1)&&(year%4==0)&&((year%100!=0)||(year%400==0))){
		  return 29;
		}else{
		  return daysInMonth[month];
		}
	}
	
	// jQuery plugin initialisation
	$.fn.calendarWidget = function(params) {    
		calendarWidget(this, params);		
		return this; 
	}; 

})(jQuery);