// isDate funcion
function isDate(dateStr) {
	var datePat = /^(\d{1,2})(\/|-)(\d{1,2})(\/|-)(\d{4})$/;
	var matchArray = dateStr.match(datePat); // is the format ok?
	//var $cancel;
	if (matchArray == null) {
		//alert("Please enter date as either mm/dd/yyyy or mm-dd-yyyy.");
		return false;
	}
	month = matchArray[3]; // p@rse date into variables
	day = matchArray[1];
	year = matchArray[5];
	if (month < 1 || month > 12) { // check month range
		//alert("Month must be between 1 and 12.");
		return false;
	}
	if (day < 1 || day > 31) {
		//alert("Day must be between 1 and 31.");
		return false;
	}
	if ((month==4 || month==6 || month==9 || month==11) && day==31) {
		//alert("Month "+month+" doesn`t have 31 days!")
		return false;
	}
	if (month == 2) { // check for february 29th
		var isleap = (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0));
		if (day > 29 || (day==29 && !isleap)) {
			alert("February " + year + " doesn`t have " + day + " days!");
			return false;
		}
	}
	return true; // date is valid
}

/***** FORMAT CURRENCY *****/	
	
function formatCurrency(num) {
    num = isNaN(num) || num === '' || num === null ? 0.00 : num;
    return parseFloat(num).toFixed(2);
}

/***** FORM UN-GREYING *****/
	
$(function() {

	// Get the JSON data
	$.getJSON('js/jsonData.php', function(json) {
	// Put data into array for use later
			
		// Un-grey fields
		$('#pickupOption').change(function() {
			 if ($('#pickupOption').is(':checked')) {
				$('#pickupAddress').attr('disabled',false).animate({opacity:1},750);
				$('#pickupAddressLabel').animate({opacity:1},750);
			} else {
				$('#pickupAddress').attr('disabled',true).animate({opacity:0.3},750);
				$('#pickupAddressLabel').animate({opacity:0.3},750);
			};
		});

		$('#easycover-discount').change(function() {
			 if ($('#easycover-discount').is(':checked')) {
				$('#easycover-policy-number').attr('disabled',false).animate({opacity:1},750);
			} else {
				$('#easycover-policy-number').attr('disabled',true).animate({opacity:0.3},750);
			};
		});

		$('#agreement').change(function() {
			 if ($('#agreement').is(':checked')) {
				$('#submit').attr('disabled',false).animate({opacity:1},750);
			} else {
				$('#submit').attr('disabled',true).animate({opacity:0.3},750);
				}
		});



		// If airport pickup is selected
		$('#pickupLocation').change(function(){
			 if ($('#pickupLocation').val()=='alicanteAirport' | $('#pickupLocation').val()=='murciaAirport' ) {
				$('#flightNumber').attr('disabled',false).animate({opacity:1},750);
				$('#flightNumberLabel').animate({opacity:1},750);
			} else {
				$('#flightNumber').attr('disabled',true).animate({opacity:0.3},750);
				$('#flightNumberLabel').animate({opacity:0.3},750);
			};
		});
		
		// Car type activation
		$('#cars li label,#cars li input').click(function(){
			$('#cars li label').removeClass('active');
			$('#cars li h3').removeClass('strong');
			$(this).addClass('active');
			$(this).siblings('label').addClass('active');
			$(this).siblings('h3').addClass('strong');
		})
		

		/****** THE CALCULATION SCRIPT ******/
		
		// Initialize
		
		// Configurable variables:
		
		// var $carModelRate = ;
		var $childSeatRate = ''; // € Per day
		var $gpsRate = 2; // € Per day
		var $discountRate = 10; // Percent

		var $outOfHoursRate = 6;
		var $todaysRate = 0;
		
		var $easyrideRate = 25; 	

		// Set EasyRide price
		$('#easyride_help_price').html($easyrideRate);
		
		
		// var $start_offer = ''; 		
		// var $end_offer = ''; 		
		// var $name_offer = ''; 		
		// var $car_offer = ''; 		
		// var $price_offer = ; 		
		
		
		// var $highPriceDay = $highPrice/7;
		// var $lowPriceDay = $lowPrice/7;
		var $witchingHour = 2;
		
		var $basicPrice = 0;

		
		// Set price to zero
		printPrice($basicPrice);
		

		
		/***** CALCULATE BASIC PRICE BASED ON DATES SELECTED *****/
		
		// First check if dates are valid
		$('#pick-up-date, #drop-off-date').change(function(){
			$datecheck = $(this).val();
			// alert (isDate($datecheck));
			if (!isDate($datecheck)){
				alert ('Please enter a valid date!');
				$(this).val('');
			} 
		});
		
		// Change departure date if it is blank and arrival date is selected
		$('#pick-up-date').change(function(){
			$arrival = $('#pick-up-date').val();
		});
		
		// Calculate date difference, rate and send calculations
		$('#pick-up-date, #drop-off-date, #modelOption, .modelType').change(function(){
			calculatePrice(json);
			
		});
		$('.modelType').on('ifChanged', function (event) { 
			calculatePrice(json);
		});


		
		// If GPS is selected
		$('#gps').change(function(){
			 if ($('#gps').is(':checked')) {
				
				$gpsPrice = $gpsRate*$dateDif;
				//alert ($gpsPrice);
				printPrice();
			} else {
				$gpsPrice = 0;
				printPrice(); 
			};
		});
		
		// 'Tis the Witchin' Hour
		$('#departureTime1,#arrivalTime1').change(function(){
			 if (($('#departureTime1').val()- $('#arrivalTime1').val())>=$witchingHour && $lessThanWeek==false) {
				alert ('If the vehicle is dropped with more than a '+$witchingHour+' hour difference from the pickup time, you will be charged an extra day.');
				$veryLate = true;
				printPrice();
			} else {
				$veryLate = false;
				printPrice();
			};
		});
		
		// Out of hours
		$('#arrivalTime1').change(function(){
			if ($('#arrivalTime1').val()<7 && $('#arrivalTime1').val()>0){
				$outOfHoursIn = true;
				printPrice();
				alert('There is a surcharge of '+$outOfHoursRate+'€ for picking up the vehicle before 07:00h');
			} else if ($('#arrivalTime1').val()==23) {
				$outOfHoursIn = true;
				printPrice();
				alert('There is a surcharge of '+$outOfHoursRate+'€ for picking up the vehicle after 23:00h');
			} else {
				$outOfHoursIn = false;
				printPrice();
			}
		});
		$('#departureTime1').change(function(){
			if ($('#departureTime1').val()==23){
				$outOfHoursOut = true;
				printPrice();
				alert('There is a surcharge of '+$outOfHoursRate+'€ for picking up or dropping off the vehicle after 23:00h');
			} else if ($('#departureTime1').val()<7 && $('#departureTime1').val()>0) {
				$outOfHoursOut = true;
				printPrice();
				alert('There is a surcharge of '+$outOfHoursRate+'€ for picking up or dropping off the vehicle before 07:00h');
			} else {
				$outOfHoursOut = false;
				printPrice();
			}
		});
		
		// Child seats 
		$('#childSeats').change(function(){
			$childSelect = $('#childSeats');
			$seatsNumber = $childSelect.val();
				$childSeatPrice = ($dateDif)*$childSeatRate*($seatsNumber-1);
				//alert($childSeatPrice);
			if ($seatsNumber<2) {
				$childSeatPrice = 0;
			}
				printPrice();
		});
		
		// Easyride 
		$('input[name=easyride]').change(function(){
			$easyride = $('input[name=easyride]:checked').val();
			switch($easyride) {
				case 'no':
					$easyridePrice = 0;
					break;
				case 'pickup':
					$easyridePrice = $easyrideRate;
					break;
				case 'dropoff':
					$easyridePrice = $easyrideRate;
					break;
				case 'both':
					$easyridePrice = $easyrideRate*2;
					break;
			}
			printPrice();
		});
		
		// EasyCover discount
		$('#easycover-discount').on('ifChanged', function(){ 
			if ($('#easycover-discount').is(':checked')) {
				$discountIs = true;
				calculatePrice(json);
				$('#easycoverId').focus();
			} else {
				$discountIs = false;
				calculatePrice(json);
			};
		});		

		/****** ALERTS ******/
		
		$('#quoteForm').submit(function(){
		// Pickup & drop off details
		//alert (isDate($('#pick-up-date').val())); 
			$cancel = false;
			if ($('#pick-up-date').val()==''){ alert('Please enter a pickup date.'); $cancel=true; }
			if ($('#pickupLocation').val()=='notSpecified'){ alert('Please enter a pickup location.'); $cancel=true; }
			if ($('#drop-off-date').val()==''){ alert('Please enter a drop off date.'); $cancel=true; }
			if ($('#departureLocation').val()=='notSpecified'){ alert('Please enter a drop off location.'); $cancel=true; }
			
		// Contact details
			if ($('#name').val()==''){ alert('Please enter your name.'); $cancel=true; }
			if ($('#tel').val()==''){ alert('Please enter your telephone number.'); $cancel=true; }
			if ($('#email').val()==''){ alert('Please enter your email address.'); $cancel=true; }
		
		// Just in case
			// if ($('#quoted_price').val()<0 && $cancel==false){ alert('There seems to be a problem with the form. Please revise your details.'); $cancel=true;  }
			
			if ($cancel==true) { return false; }
			
		
		});
		// End JSON
		});
	});


function calculatePrice(json){

	var $startSeasonDate = '2018/07/01';
	var $endSeasonDate = '2018/09/15';
	var $startEasterDate = '2018/03/23';
	var $endEasterDate = '2018/04/14';
	var	$latest_date_bookable = '2019/01/31'; // Latest day bookable
	var $offer = [];

		var $pricestandardLow = 0;
	var $pricestandardHigh = 0;
		var $pricehatchbackLow = 0;
	var $pricehatchbackHigh = 0;
		var $price9_seaterLow = 0;
	var $price9_seaterHigh = 0;
		var $priceestateLow = 0;
	var $priceestateHigh = 0;
		var $price7_seaterLow = 0;
	var $price7_seaterHigh = 0;
		var $priceautomaticLow = 0;
	var $priceautomaticHigh = 0;
	
	$arrival = $('#pick-up-date').val();
	$departure = $('#drop-off-date').val();
	var $day = 1000*60*60*24;
	$today = new Date(); 
	var $year = $today.getFullYear(); 
	$startSeason = new Date($startSeasonDate);
	$endSeason = new Date($endSeasonDate); 
	$startEaster = new Date($startEasterDate);
	$endEaster = new Date($endEasterDate); 

	// Format selected dates for calculations
	$arrivalArray = $arrival.split('/');
	
	$departureArray = $departure.split('/');
	$latestArray = $latest_date_bookable.split('/');
	
	$arrival = new Date($arrivalArray[2],$arrivalArray[1]-1,$arrivalArray[0]);
	$departure = new Date($departureArray[2],$departureArray[1]-1,$departureArray[0]);
	$latest = new Date($latestArray[0],$latestArray[1]-1,$latestArray[2]);
	// alert($latest);
	$latestShow = $latestArray[2]+'/'+($latestArray[1])+'/'+$latestArray[0];
	
	// Cap bookings
	if ($arrival>$latest || $departure>$latest) {
		alert('Sorry, we are not accepting bookings after '+$latestShow);
		$('#pick-up-date').val('');
		$('#drop-off-date').val('');
		return false;
	}
	
	// Cap bookings for 2014 *** Obsolete! ***
	/*
	if ($arrivalArray[2]>2013 || $departureArray[2]>2013){
		alert('Sorry, but we are not accepting bookings for 2014 at this moment.');
		$('#pick-up-date').val('');
		$('#drop-off-date').val('');
	};
	*/
	//alert ($startSeasonDate + ' and ' + $endSeasonDate);
		
	// Get model type
	$modelType = $('input.modelType:checked').val();
	$modelType = $modelType;

	// Calculate price depending on model type
	switch ($modelType) {
			case 'car_standard':
			$lowPriceFinal = $pricestandardLow;
			$highPriceFinal = $pricestandardHigh;
			break; 
			case 'car_hatchback':
			$lowPriceFinal = $pricehatchbackLow;
			$highPriceFinal = $pricehatchbackHigh;
			break; 
			case 'car_9_seater':
			$lowPriceFinal = $price9_seaterLow;
			$highPriceFinal = $price9_seaterHigh;
			break; 
			case 'car_estate':
			$lowPriceFinal = $priceestateLow;
			$highPriceFinal = $priceestateHigh;
			break; 
			case 'car_7_seater':
			$lowPriceFinal = $price7_seaterLow;
			$highPriceFinal = $price7_seaterHigh;
			break; 
			case 'car_automatic':
			$lowPriceFinal = $priceautomaticLow;
			$highPriceFinal = $priceautomaticHigh;
			break; 
			}
		
		// No budget cars for certain months! // *** Obsolete! ***
		$badMonths = ['04','05','06','07','08','09','10','12'];
		if ($modelType=='budget' &&  ($.inArray(($arrivalArray[1]),$badMonths)!=-1 || $.inArray(($departureArray[1]),$badMonths)!=-1)) {
			alert ("Sorry, our budget cars are fully booked for your travel dates");
			$('#standardLabel').trigger('click');
			$('#standardRadio').trigger('click');
		}
		
		// Get model list if select model is checked
		if ($('#modelOption').is(':checked')) {	
			$.get('car_models.php',{ id: $modelType}, function(data) {
			  $('#model').html(data);
			});
		};

		// Calculate the date difference
		$dateDif = (($departure-$arrival)/($day));
		$lessThanWeek = ($dateDif<7)?true:false; // Is it less than a week?

		// Alert if date difference is negative or a date is in the past
		if ($dateDif<0) { 
			alert('Drop off date must be after pickup date.'); 
			$('#drop-off-date').val('');
			return false;
		};
		// Alert if date is in the path
		if ( $arrival<$today-$day) { 
			alert('You can\'t book a past date.'); 
			$('#pick-up-date').val(''); 
			return false;
		};
		if ( $departure<$today) { 
			alert('You can\'t book a past date.'); 
			$('#drop-off-date').val(''); 
			return false;
		};
		
		// Must be at least 7 days!!
		$dateDif = ($dateDif<7)?7:$dateDif;
		
		// Get price based on date difference, checking rate for each day
		var $dateCal = $arrival.valueOf();
		$basicPrice = 0;
		for ($n=1;$n<$dateDif+1;$n++) {
			
			$dateFormatted = new Date($dateCal);
			$highPriceDay = $highPriceFinal/7;
			$lowPriceDay = $lowPriceFinal/7;
			
			// Run through offers to see if today is special offer
			$todaysRate = (($dateCal>=$startSeason && $dateCal<=$endSeason) || ($dateCal>=$startEaster && $dateCal<=$endEaster))?$highPriceDay:$lowPriceDay;

			$.each(json, function(key,item) {
				// Dates
				$offerStartDate = new Date(item.desde);
				$offerEndDate = new Date(item.hasta);
				$offerName = item.nombre;
				// Prices
				
				$offer['c_standard']		= item.price_standard;
				$offer['c_hatchback']		= item.price_hatchback;
				$offer['c_estate']			= item.price_estate;
				$offer['c_7_seater']		= item.price_7_seater;
				$offer['c_9_seater']		= item.price_9_seater;
				
				// Check if special offer
				if ($dateCal>=$offerStartDate && $dateCal<=$offerEndDate && $offer['c_'+$modelType] && $offer['c_'+$modelType]!='0') {
					$todaysRate = $offer['c_'+$modelType]/7;
					// alert ($offer['c_'+$modelType]);
				} else {
					$todaysRate = $todaysRate;
				}
			
			});
			

			
			// Add it up -(if 31st October, no charge - unexplained bug!) *** Obsolete? ***
			if ($dateFormatted!='Mon Oct 31 2014 23:00:00 GMT+0100 (Romance Standard Time)') {
				$basicPrice += $todaysRate;
			}
			$dateCal += $day;
		}

		printPrice($basicPrice);

}

/***** CALCULATE FINAL PRICE FUNCTION *****/
// Calculate, Format & Output function
function printPrice($basicPrice) { 

	var $rate = 0;
	var $childSeatPrice = 0;
	var $gpsPrice = 0;
	var $easyridePrice = 0;
	var $carModelPrice = 0;
	var $discountAmount = 0;
	var $discountIs = false;
	var $veryLate = false;
	var $lessThanWeek = false;
	var $outOfHoursIn = false;
	var $outOfHoursOut = false;
	var $outOfHoursRate = 6;
	
	// Calculate price
	var $price;
	
	// Check if current selected model is normal, premium, executive or budget
	$model = $('#model').val();

	if ($('#modelOption').is(':checked')) {	
		$carModelPrice = $carModelRate;
	} else {
		$carModelPrice = 0;
	};
	
	// 
	$price = (($basicPrice)+$childSeatPrice+$gpsPrice+$carModelPrice);
	
	// Tis late?
	if ($veryLate==true && $todaysRate) { $price += $todaysRate; };

	// Out of hours?
	if ($outOfHoursIn) { $price += $outOfHoursRate; }
	if ($outOfHoursOut) { $price += $outOfHoursRate; }
	
	// Is there a discount?
	$discountAmount = ($discountIs==true)?($price*$discountRate/100):0;
	
	// Make sure there is minimum rate.
	$price = ($price<$rate && $price!=0)?$rate:$price;
	// Add easyride price
	$price += $easyridePrice;
	
	$price = $price-$discountAmount;
	
	// Output price
	$('#finalPrice').text(formatCurrency($price));
	$('#quoted_price').val(formatCurrency($price));
}