<?php
// $Id: booking.confirm.inc,v 0.1 2011/07/12

/**
 * Confirmation page for event registration
 */
function booking_balance_page() { 
	global $event;
	$output = "";
	$waiting_list = False;
	$already_paid = false;
	$paypal_form = "";

	//verify that arg(1) is a uuid
	if (! preg_match('/^[0-9A-Fa-f\-]+$/', arg(1))) {
		//parameter from url is not what we were expecting
		drupal_set_message("Error: Invalid session ID supplied to the balance payment page. Please use the contact us form to let us know.", 'error', FALSE);
		drupal_goto('<front>');
		return "";
	}	
	
	//TODO: if the person says they're married, query to see if they're listed partner has already registered and paid
	//if they have, then let the new registration person know their partner has already paid, and send them the confirmation email
	
	//work out the node id from the session id
	$query = db_select('booking_person', 'p');
	$query->condition('p.booking_tempid', arg(1), '=')
		->fields('p', array('nid'));
	$person = $query->execute()
		->fetchObject();	

	/*
	//fetch details about the person
	$query = db_select('booking_person', 'p');
	$query->join('booking_price', 'pr', 'p.booking_payment_id = pr.pid');
	$query->condition('p.booking_tempid', arg(1), '=')
		->fields('p')
		->fields('pr', array('booking_price', 'booking_price_descrip'));
	$person = $query->execute()
		->fetchObject();
	*/

	if ($person) 
	{
		//load all the fields
		$node = node_load($person->nid);		
		//calculate the invoice ID
		$invoiceid = $person->nid . '_bal' . REQUEST_TIME . '_' . $node->booking_lastname . '-' . $node->booking_firstname;
		//maximum length for invoice id in paypal is 127 characters so truncate if necessary
		$invoiceid = substr($invoiceid, 0, 126);		
	} else {
		drupal_set_message("Unable to find matching session ID " . arg(1), 'error', FALSE);
		return "";
	}	
	
	//populate tokens and paypal form
	$tokens = booking_define_personspecific_tokens($node);	
	$tokens['paypal-total-form'] = _booking_paypal_form($node, $invoiceid, $tokens['paypal-total-amount'], "Pay Balance");
		
	//Calculate the amount outstanding
	//watchdog('booking', 'Booking Balance form calculating amount owing');
	//$amount_owing = _booking_amount_owing($person->nid);	
	
	//If the amount outstanding is zero, then display information to that effect.	
	if ($tokens['paypal-total-amount'] == 0)
	{
		$output = token_replace(variable_get('booking_regn_balance_page_paid'), $tokens);
	}	
	else
	{
		$output = token_replace(variable_get('booking_regn_balance_page'), $tokens);
		//optional additional text for married people
		if ($node->booking_married == 'Y')
			$output .= token_replace(variable_get('booking_regn_balance_married_text'), $tokens);		
	}

	//put all the bits together
	$return_array[] = array('paragraph' => array('#type' => 'markup', '#markup' => $output));
	//$return_array[] = array('form' => $paypal_form);

	//return the form
	return $return_array;

}


/**
 * Confirmation page for event registration
 */

/*
function old_booking_balance_page() { 
	global $event;
	$output = "";
	$waiting_list = False;
	$already_paid = false;
	$amount_owing = 0;
	$return_array = array();
	$output = "";
	
	//verify that arg(1) is a uuid
	if (! preg_match('/^[0-9A-Fa-f\-]+$/', arg(1))) {
		//parameter from url is not what we were expecting
		drupal_set_message("Error: Invalid session ID supplied. Please use the contact us form to let us know.", 'error', FALSE);
		return "";
	}	
	
	//fetch details about the person
    $person = db_query("SELECT person.nid, person.booking_event_id, person.booking_lastname, person.booking_firstname, price.booking_buttonid, price.booking_price, price.booking_price_descrip, " .
				" person.booking_married, person.booking_partner_name, booking_partner_id, person.booking_amount_paid, person.booking_status " . 
				"FROM     {booking_person} person, {booking_price} price " .
				"WHERE booking_tempid = :tempid " .
				"AND person.booking_payment_id = price.pid", 
				array(':tempid' => arg(1)))
				->fetchObject();	
	
	if ($person) {
		//maximum length for invoice id is 127 characters
		$invoiceid = $person->nid . '_bal' . REQUEST_TIME . '_' . $person->booking_lastname . '-' . $person->booking_firstname;
		$invoiceid = substr($invoiceid, 0, 126);		
	} else {
		drupal_set_message("Unable to find matching session ID " . arg(1), 'error', FALSE);
		return "";
	}	

	//set a flag for married couple
	$married = $person->booking_partner_id > 0 ? TRUE : FALSE;	

	if ($married)
		$output .= t("<p><br />Hi Mr and Mrs !lastname. Welcome to the payment page for !event, God willing.</p>", 
			array('!firstname' => $person->booking_firstname, '!lastname' => $person->booking_lastname, '!event' => $event->booking_eventname));		
	else
		$output .= t("<p><br />Hi !firstname !lastname. Welcome to the payment page for !event, God willing.</p>", 
			array('!firstname' => $person->booking_firstname, '!lastname' => $person->booking_lastname, '!event' => $event->booking_eventname));
	
	//figure out if we're in the right time period for discounted registration rates
	$early = db_query("SELECT booking_earlybird_close FROM {booking_event} where eid = :eid", array(
					':eid' => $event->eid))
			->fetchObject();  
	if ($early->booking_earlybird_close > time())
		$earlybird_flag = TRUE;
	else
		$earlybird_flag = FALSE;

	//Calculate the amount outstanding
	$amount_owing = _booking_amount_owing($person->nid);	

	//If the amount outstanding is zero, then display information to that effect.	
	if ($amount_owing == 0)
	{
		$output .= t("<p>Our records indicate that you have already fully paid, so there is no need for you to take any further action.</p>");
		$return_array[] = array('paragraph' => array('#type' => 'markup', '#markup' => $output));	
		return $return_array;	
	}
	else
	{
		if ($earlybird_flag)
		{
			$output .= t("<p>Our records indicate that you have a balance owing of <strong>$!owing</strong> (including Paypal transaction fees) in order to secure your spot at !event.</p>",
				array('!owing' => number_format($amount_owing, 2, '.', ''), '!event' => $event->booking_eventname));
		} 
		else
		{
			//this payment has missed the early bird rate
			$output .= t("<p>Our records indicate that you currently have <strong>$!amount</strong> outstanding (including Paypal transaction fees) to complete your payment for !event," .
						" since you have missed the earlybird-rate cutoff date.</p>",
								array('!amount' => number_format($amount_owing, 2, '.', ''), '!event' => $event->booking_eventname,
								'!earlybird-cutoff' => format_date($early->booking_earlybird_close, 'custom', 'd/m/Y') ));		
		}		
		
		//$output .= t("<p>Our records indicate that you have a balance owing of $!owing in order to secure your spot at !event. ",
		//	array('!owing' => number_format($amount_owing, 2, '.', ''), '!event' => $event->booking_eventname));
			
		if ($person->booking_status == 2)
		{
			$output .= t("<p>However, you are currently on the waiting list, and are not required to pay the balance until your place at !event is confirmed.</p>",
						array('!event' => $event->booking_eventname));
		}
		$output .= t("<p>Please use the button below to submit your final payment securely via Paypal.</p>");
		$output .= t("<p>Once we have received your payment, you will be sent an automatic confirmation email thanking you for paying your outstanding fees. " .
					"If you are paying via Paypal's eCheque feature, please be aware that payments take 3-5 working days to clear, and you will not receive the confirmation email until that has occurred.</p>");
	}

	//put all the bits together
	$return_array[] = array('paragraph' => array('#type' => 'markup', '#markup' => $output));
	$return_array[] = array('form' => drupal_get_form('balance_form', arg(1), $person, $invoiceid, $amount_owing));

	//return the form
	return $return_array;
}


function balance_form($node, &$form_state, $tempid, $person, $invoiceid, $amount_owing) {

	global $event;
	//paypal specific settings
	$vars = array(
		'module' => 'Booking System',
		'type' => $event->booking_eventname,
		//'custom' => $data,
		'item_name' => $event->booking_eventname . ' ' . $person->booking_price_descrip . ' balance',
		'invoice' => $invoiceid,
		'no_shipping' => TRUE,
		'no_note' => TRUE,
		'currency_code' => 'AUD',
		'return' => url('bookingfinal', array('absolute' => TRUE)),
		'cancel_return' => url('balance/' . $tempid, array('absolute' => TRUE)),
		'rm' => '2',
		'amount' => $amount_owing,
		'last_name' => $person->booking_lastname,
		'first_name' => $person->booking_firstname,
		'cmd' => '_xclick',
		'notify_url' => url(BOOKING_PAYPAL_IPN_PATH, array('absolute' => TRUE)),
		'business' => variable_get('booking_paypal_account', '')
	);	

	$form['#action'] = url(variable_get('booking_paypal_sandbox', 0) ? BOOKING_PAYPAL_SUBMIT_URL_SANDBOX : BOOKING_PAYPAL_SUBMIT_URL, array('absolute' => TRUE));


	foreach($vars as $name => $value) {

	  // is this field a forms api element, or just a value?

		// if(is_array($value)) {		
		// 	$form[$name] = $value;
		// 	$form[$name]['#name'] = $name;
		// }
		//else {
			$form[$name] = array(
				'#type'  => 'hidden',
				'#value' => $value,
			);
		//}
	}	

    $form['submit'] = array(
    '#type' => 'button',
    '#value' => t('Continue to Paypal'),
  );	

	watchdog('booking', 'Booking Balance payment: @info', array ('@info' => var_export($form, TRUE)));
	
	return $form;

}

*/