/**
 * jQuery Cookie plugin
 *
 * Copyright (c) 2010 Klaus Hartl (stilbuero.de)
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 *
 */
jQuery.cookie = function (key, value, options) {

    // key and at least value given, set cookie...
    if (arguments.length > 1 && String(value) !== "[object Object]") {
        options = jQuery.extend({}, options);

        if (value === null || value === undefined) {
            options.expires = -1;
        }

        if (typeof options.expires === 'number') {
            var days = options.expires, t = options.expires = new Date();
            t.setDate(t.getDate() + days);
        }

        value = String(value);

        return (document.cookie = [
            encodeURIComponent(key), '=',
            options.raw ? value : encodeURIComponent(value),
            options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE
            options.path ? '; path=' + options.path : '',
            options.domain ? '; domain=' + options.domain : '',
            options.secure ? '; secure' : ''
        ].join(''));
    }

    // key and possibly options given, get cookie...
    options = value || {};
    var result, decode = options.raw ? function (s) { return s; } : decodeURIComponent;
    return (result = new RegExp('(?:^|; )' + encodeURIComponent(key) + '=([^;]*)').exec(document.cookie)) ? decode(result[1]) : null;
};






/**
 * Checks for cookie and if found sets the form
 */
function initBookingForm() {
	var sweet = $.cookie('quickreserve');
	if ( sweet !== null ) {
		$.cookie('quickreserve', null);
		
		var frm_id = 'frmA';
		var bits = sweet.split('.');
		$('#aa_'+frm_id).val(bits[0]);
		$('#mm_'+frm_id).val(bits[1]);
		$('#gg_'+frm_id).val(bits[2]);
		$('#aaf_'+frm_id).val(bits[3]);
		$('#mmf_'+frm_id).val(bits[4]);
		$('#ggf_'+frm_id).val(bits[5]);
		$('#adult_'+frm_id).val(bits[6]);
		$('#child_'+frm_id).val(bits[7]);
		$('#room_'+frm_id).val(bits[8]);
		arrivalCbChanged(frm_id);
		departureCbChanged(frm_id);
		//console.debug('found cookie');
	} else {
		//console.debug('no cookie');
	}
	
	return true;
}

	
/**
 * Compute today's date at 00:00 - human format
 * @return array(dd, mm, yyyy)
 */
function getToday() {
	var rnow = new Date();	
	// set today's 00:00
	var dnow = new Date(rnow.getFullYear(), rnow.getMonth(), rnow.getDate());
	
	var today = new Array();
	today['dd'] = dnow.getDate();
	today['mm'] = dnow.getMonth()+1;
	today['yy'] = dnow.getFullYear();
	
	return today;
}


/**
 * Compute tomorrow's date at 00:00 - human format
 * @param array date_today(dd, mm, yyyy)
 * @return array(dd, mm, yyyy)
 */

function getTomorrow(date_today) {
	var dtod = new Date(date_today['yy'], date_today['mm']-1, date_today['dd']);
	
	var dtom = new Date();
	dtom.setTime(dtod.getTime()+86400000);
	
	var tomorrow = new Array();
	tomorrow['dd'] = dtom.getDate();
	tomorrow['mm'] = dtom.getMonth()+1;
	tomorrow['yy'] = dtom.getFullYear();
	
	return tomorrow;
}


/**
 * Sets ARRIVAL (combo boxes and hidden datepicker)
 * @param string frm_id
 * @param array date_arrival
 */
function setArrival(frm_id, date_arrival) {
	// set arrival combo box
	$('#gg_'+frm_id).val(parseInt(date_arrival['dd']), 10);
	$('#mm_'+frm_id).val(parseInt(date_arrival['mm']), 10);
	$('#aa_'+frm_id).val(parseInt(date_arrival['yy']), 10);
	// set arrival hidden
	$('#date_arrival1_'+frm_id).val(date_arrival['mm']+'/'+date_arrival['dd']+'/'+date_arrival['yy']);

	return true;
}


/**
 * Sets DEPARTURE (combo boxes and hidden datepicker)
 * @param string frm_id
 * @param array date_arrival
 */
function setDeparture(frm_id, date_departure) {
	// set depatrure combo box
	$('#ggf_'+frm_id).val(parseInt(date_departure['dd']), 10);
	$('#mmf_'+frm_id).val(parseInt(date_departure['mm']), 10);
	$('#aaf_'+frm_id).val(parseInt(date_departure['yy']), 10);
	// set departure hidden
	$('#date_departure1_'+frm_id).val(date_departure['mm']+'/'+date_departure['dd']+'/'+date_departure['yy']);

	return true;
}


/**
 * Gets values of ARRIVAL combo boxes
 * @return array()
 */
function getArrivalCB(frm_id) {
	var date_arrival = new Array();
	date_arrival['dd'] = parseInt($('#gg_'+frm_id).val(), 10);
	date_arrival['mm'] = parseInt($('#mm_'+frm_id).val(), 10);
	date_arrival['yy'] = parseInt($('#aa_'+frm_id).val(), 10);
	
	return date_arrival;
}



/**
 * Gets values of ARRIVAL combo boxes
 * @return array()
 */
function getDepartureCB(frm_id) {
	var date_departure = new Array();
	date_departure['dd'] = parseInt($('#ggf_'+frm_id).val(), 10);
	date_departure['mm'] = parseInt($('#mmf_'+frm_id).val(), 10);
	date_departure['yy'] = parseInt($('#aaf_'+frm_id).val(), 10);
	
	return date_departure;
}



/**
 * Arrival date combo boxes changed, must recalculate departure
 */
function arrivalCbChanged(frm_id) {
	var date_arrival = getArrivalCB(frm_id);
	// set arrival hidden
	$('#date_arrival1_'+frm_id).val(date_arrival['mm']+'/'+date_arrival['dd']+'/'+date_arrival['yy']);
	// current departue
	var cur_arr_departure = getDepartureCB(frm_id);
	
	if ( arrivalIsAfterDeparture(date_arrival, cur_arr_departure) ) {
		// new departure
		var date_departure = getTomorrow(date_arrival);
		// set departure cb
		setCbSel('ggf_'+frm_id, date_departure['dd']);
		setCbSel('mmf_'+frm_id, date_departure['mm']);
		setCbSel('aaf_'+frm_id, date_departure['yy']);
		
		// set departure hidden
		$('#date_departure1_'+frm_id).val(date_departure['mm']+'/'+date_departure['dd']+'/'+date_departure['yy']);
	}
	return true;
}


/**
 * datepicker hidden field was changed
 */
function arrivalDpChanged(frm_id) {
	var dparr = $("#date_arrival1_"+frm_id).val().split('/');
	// new arrival human date array
	var date_arrival = new Array();
	date_arrival['dd'] = parseInt(dparr[1], 10);
	date_arrival['mm'] = parseInt(dparr[0], 10);
	date_arrival['yy'] = parseInt(dparr[2], 10);
	// set arrival combo boxes
	setCbSel('gg_'+frm_id, date_arrival['dd']);
	setCbSel('mm_'+frm_id, date_arrival['mm']);
	setCbSel('aa_'+frm_id, date_arrival['yy']);
	// current departue
	var cur_arr_departure = getDepartureCB(frm_id);
	if ( arrivalIsAfterDeparture(date_arrival, cur_arr_departure) ) {
		// new departure
		var date_departure = getTomorrow(date_arrival);
		// set departure cb
		setCbSel('ggf_'+frm_id, date_departure['dd']);
		setCbSel('mmf_'+frm_id, date_departure['mm']);
		setCbSel('aaf_'+frm_id, date_departure['yy']);
		// set departure hidden
		$('#date_departure1_'+frm_id).val(date_departure['mm']+'/'+date_departure['dd']+'/'+date_departure['yy']);
	}
	return true;
}



/**
 * departure date combo boxes changed, must update hidden datepicker
 */
function departureCbChanged(frm_id) {
	var date_departure = getDepartureCB(frm_id);
	// set arrival hidden
	$('#date_departure1_'+frm_id).val(date_departure['mm']+'/'+date_departure['dd']+'/'+date_departure['yy']);
	return true;
}


/**
 * datepicker hidden field was changed
 */
function departureDpChanged(frm_id) {
	var ddep = $("#date_departure1_"+frm_id).val().split('/');
	// new arrival human date array
	var date_departure = new Array();
	date_departure['dd'] = parseInt(ddep[1], 10);
	date_departure['mm'] = parseInt(ddep[0], 10);
	date_departure['yy'] = parseInt(ddep[2], 10);
	// set arrival combo boxes
	setCbSel('ggf_'+frm_id, date_departure['dd']);
	setCbSel('mmf_'+frm_id, date_departure['mm']);
	setCbSel('aaf_'+frm_id, date_departure['yy']);
	
	return true;
}



/**
 * Sets a combo box selected value
 * @param string fid
 * @param string cbid
 * @param string selval
 */
function setCbSel(cbid, selval) {
	$("select#"+cbid+" option[selected]").removeAttr("selected");
	$("select#"+cbid+" option[value='"+selval+"']").attr("selected", "selected");
	return true;
}



/**
 * Checks if departure date is before arrival date
 * @param array date_arrival
 * @param array date_departure
 * @return boolean
 */
function arrivalIsAfterDeparture(date_arrival, date_departure) {
	var darr = new Date(date_arrival['yy'], date_arrival['mm']-1, date_arrival['dd']);	
	var ddep = new Date(date_departure['yy'], date_departure['mm']-1, date_departure['dd']);
	
	if ( darr.getTime() >= ddep.getTime() ) {
		return true;
	} else {
		return false;
	}
}


function computeNights(date1, date2) {
	var ONE_DAY = 24*60*60*1000; // hours*minutes*seconds*milliseconds
    var date1_ms = date1.getTime()
    var date2_ms = date2.getTime()
    // Calculate the difference in milliseconds
    var difference_ms = Math.abs(date1_ms - date2_ms)
    // Convert back to days and return
 	return Math.round(difference_ms/ONE_DAY)
}


function frmcheck(frm_id) {
	var errmsg = new Array();
	errmsg['1'] = 'Arrival date cannot be in the past!';
	errmsg['2'] = 'Departure date cannot be before the arrival date!';
	errmsg['3'] = 'You must select at least an adult before proceeding!';
	errmsg['4'] = 'You must select at least a room before proceeding!';
	errmsg['5'] = 'Please check arrival and departure dates, they cannot be equal!';
	
	var arrivalDate   = new Date($('#aa_'+frm_id).val(), parseInt($('#mm_'+frm_id).val())-1, $('#gg_'+frm_id).val());
	var departureDate = new Date($('#aaf_'+frm_id).val(),parseInt($('#mmf_'+frm_id).val())-1,$('#ggf_'+frm_id).val());
	var rnow  = new Date();	
	var today = new Date(rnow.getFullYear(), rnow.getMonth(), rnow.getDate());

	if ( arrivalDate < today ) { alert(errmsg['1']); return false; }
	if ( departureDate < arrivalDate ) { alert(errmsg['2']); return false; }
	
	var tot_adulti  = $('#tot_adulti_'+frm_id).val();
	var tot_bambini = $('#tot_bambini_'+frm_id).val();
	if ( (tot_adulti<1) && (tot_bambini<1) ) { alert(errmsg['3']); return false; }
	
	var tot_camere = $('#tot_camere_'+frm_id).val();
	if ( tot_camere < 1 ) { alert(errmsg['4']); return false; }
	
	var gg2 = parseInt($('#gg_'+frm_id).val());
	if ( gg2 < 10 ) { gg2 = '0' + gg2; }
	var mm2 = parseInt($('#mm_'+frm_id).val());
	if ( mm2 < 10 ) { mm2 = '0' + mm2; }
	var dateStart = gg2+'/'+mm2+'/'+$('#aa_'+frm_id).val();
	$('#date1_'+frm_id).val(dateStart);
	
	var notti = computeNights(arrivalDate, departureDate);
	$('#night_'+frm_id).val(notti);
	
	if ( notti < 1 ) { 
		alert(errmsg['5']);
		return false;
	} 
	// set cookie
	var sugar = $('#aa_'+frm_id).val()+'.'+$('#mm_'+frm_id).val()+'.'+$('#gg_'+frm_id).val()+'.'+$('#aaf_'+frm_id).val()+'.'+$('#mmf_'+frm_id).val()+'.'+$('#ggf_'+frm_id).val()+'.'+$('#adult_'+frm_id).val()+'.'+$('#child_'+frm_id).val()+'.'+$('#room_'+frm_id).val();
	$.cookie('quickreserve', sugar, '{domain: "albanihotels.com"}');

	return true;
}