<?php

/**
 * Travel form for attendee
 */
function booking_travel_page() { 
	global $event;
	$output = "";
	$return_array = array();
	
	//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 * FROM {booking_person} " .
				"WHERE booking_tempid = :tempid ", 
				array(':tempid' => arg(1)))
				->fetchObject();	
	*/
	$person = db_query("SELECT p.*, t.* from {booking_person} p " .
						"left outer join {booking_travel} t on p.nid = t.booking_person_nid " .
						"where p.booking_event_id = :eid AND p.booking_tempid = :tempid",
						array(':tempid' => arg(1), ':eid' => $event->eid))	
				->fetchObject();		

	if ($person)
	{
		$tokens = booking_define_personspecific_tokens($person);	
		
		watchdog('booking', 'Checking for existing travel form for: @info', array('@info' => var_export($person, TRUE)));
		
		//check for an existing travel form
	    $travelform = db_query("SELECT tid " .
					"FROM     {booking_travel} " .
					"WHERE booking_person_nid = :nid", 
					array(':nid' => $person->nid))
					->fetchObject();

		if ($travelform)
		{
			$output = token_replace(variable_get('booking_travelform_completed_page'), $tokens);
			$return_array[] = array('paragraph' => array('#type' => 'markup', '#markup' => $output));		
		}	
		//they haven't submitted a travel form yet	
		else
		{
			//Output different text if this is for a married couple
			if ((variable_get('booking_enable_combined_pricing', 0) == 1) && $person->booking_partner_id > 0)
			{
				$output = token_replace(variable_get('booking_travelform_married_page'), $tokens);
			}
			else
			{
				$output = token_replace(variable_get('booking_travelform_page'), $tokens);
			}
			
			$return_array[] = array('paragraph' => array('#type' => 'markup', '#markup' => $output));
			$return_array[] = array('form' => drupal_get_form('travel_form', true, $person->nid));
		}				
		return $return_array;	
	} else {
		drupal_set_message("Unable to find matching session ID " . arg(1), 'error', FALSE);
		return "";
	}	

}

function travel_form($node, &$form_state, $inserting = FALSE, $nid = 0)
{
	global $event;
	date_default_timezone_set(TIMEZONE); 
	
	$booking_dietary = '';
	$booking_medical_conditions = '';
	$booking_bf_gf_nid = '';
	
	if (!empty($node))
	{
		$data = $node;
		//watchdog('booking', 'Travel form loading data from saved node: @info', array('@info' => var_export($node, TRUE)));
		//check for existing booking_person data to use in the form
	    $person = db_query("SELECT booking_dietary, booking_medical_conditions, booking_bf_gf_nid, booking_partner_id " .
					"FROM     {booking_person} " .
					"WHERE nid = :nid ", 
					array(':nid' => $data->booking_person_nid))
					->fetchObject();		
	}
	else
	{
		$data = $form_state['input'];
		//check for existing booking_person data to use in the form
	    $person = db_query("SELECT booking_dietary, booking_medical_conditions, booking_bf_gf_nid, booking_partner_id " .
					"FROM     {booking_person} " .
					"WHERE nid = :nid ", 
					array(':nid' => $nid))
					->fetchObject();		
		//watchdog('booking', 'Booking registration form loading data from form submission: @info', array('@info' => var_export($form_state, TRUE)));
	}
	
	if ($person)
	{
		$booking_dietary = $person->booking_dietary;
		$booking_medical_conditions = $person->booking_medical_conditions;
		$booking_bf_gf_nid = $person->booking_bf_gf_nid;
	}	
	
	$transport_type_options = array(
		'Driving' => 'Driving',
		//'Train' => 'Train',
		'Flying' => 'Flying'
	);	
	
  //form starts here
	//store the node id
	$form['personid'] = array(
		'#type' => 'hidden',
		'#value' => $nid,
	);

	$form['travel'] = array(
		'#type' => 'fieldset',
		'#title' => 'Travel details',
	);	
	$form['travel']['booking_transport_type'] = array(
		'#type' => 'radios',
		'#title' => t('Transport Type'),
		'#options' => $transport_type_options,
		'#default_value' => !empty($data->booking_transport_type) ? $data->booking_transport_type : NULL,  
		'#required' => TRUE,
	);

	/*
	$form['travel']['booking_transport_to_morriset_reqd'] = array(
		'#type' => 'radios',
		'#title' => t('Do you require transport from Study Week to Morriset Station?'),
		'#options' => array('Yes' => 'Yes', 'No' => 'No - I have arranged my own Transport'),
		'#default_value' => (! isset($data->booking_transport_to_morriset_reqd)) ? '' : ($data->booking_transport_to_morriset_reqd == 1 ? 'Yes' : 'No'),  
	    '#states' => array(
	    	'visible' => array(
	    		':input[name="booking_transport_type"]' => array('value' => 'Train'),
			),	
	    ),		
	);
	*/
	//Flying Options
	$form['travel']['booking_flightnum_inbound'] = array(
		'#type' => 'textfield',
		'#title' => t('Flight Number arriving into Sydney'),
		'#maxlength' => 50,
		'#default_value' => empty($data->booking_flightnum_inbound) ? '' : $data->booking_flightnum_inbound,
	    '#states' => array(
	      'visible' => array(
	        ':input[name="booking_transport_type"]' => array('value' => 'Flying'),
	      ),
	    ),		 
	);
	$form['travel']['booking_flight_datetime_inbound'] = array(
		'#type' => 'date_select',
		'#title' => t('Date and Time of flight arrival into Sydney Airport'),
		'#default_value' => empty($data->booking_flight_datetime_inbound) ? '' : date("Y-m-d H:i:s", $data->booking_flight_datetime_inbound),
		'#date_format' => 'd/m/Y H:i',	
		'#date_year_range' => '0:0',
	    '#states' => array(
	      'visible' => array(
	        ':input[name="booking_transport_type"]' => array('value' => 'Flying'),
	      ),
	    ),		 
	);
	$form['travel']['booking_flightnum_outbound'] = array(
		'#type' => 'textfield',
		'#title' => t('Flight Number departing from Sydney'),
		'#maxlength' => 50,
		'#default_value' => empty($data->booking_flightnum_outbound) ? '' : $data->booking_flightnum_outbound,
	    '#states' => array(
	      'visible' => array(
	        ':input[name="booking_transport_type"]' => array('value' => 'Flying'),
	      ),
	    ),		 
	);
	$form['travel']['booking_flight_datetime_outbound'] = array(
		'#type' => 'date_select',
		'#title' => t('Date and Time of flight departure from Sydney Airport'),
		'#default_value' => empty($data->booking_flight_datetime_outbound) ? '' : date("Y-m-d H:i:s", $data->booking_flight_datetime_outbound),
		'#date_format' => 'd/m/Y H:i',
		'#date_year_range' => '0:0',			
	    '#states' => array(
	      'visible' => array(
	        ':input[name="booking_transport_type"]' => array('value' => 'Flying'),
	      ),
	    ),		 
	);
	
	$form['travel']['booking_transport_from_morriset_reqd'] = array(
		'#type' => 'radios',
		'#title' => t('Will you be catching the train to Study Week?'),
		'#options' => array('Yes' => 'Yes I will be catching the train', 'No' => 'No - I have arranged my own Transport'),
		'#default_value' => (! isset($data->booking_transport_from_morriset_reqd)) ? 'No' : ($data->booking_transport_from_morriset_reqd == 1 ? 'Yes' : 'No'), 
	    '#states' => array(
	    	'visible' => array(
	    		':input[name="booking_transport_type"]' => array('value' => 'Flying'),
			),
	    ),		
	);	

	$form['accommodation'] = array(
		'#type' => 'fieldset',
		'#title' => 'Accommodation Details',
	);
	$form['accommodation']['booking_accom_before_reqd'] = array(
		'#type' => 'radios',
		'#title' => t('Do you need us to organise accommodation before Study Week?'),
		'#options' => array('Yes' => 'Yes', 'No' => "No - I have arranged my own accommodation or I'm not arriving early"),
		'#default_value' => (! isset($data->booking_accom_before_reqd)) ? 'No' : ($data->booking_accom_before_reqd == 1 ? 'Yes' : 'No'), 		
	);
	/*
	$form['accommodation']['booking_accom_before_staying_with'] = array(
		'#type' => 'textfield',
		'#title' => t('Who are you staying with in Sydney before Study Week?'),
		'#maxlength' => 100,
		'#default_value' => empty($data->booking_accom_before_staying_with) ? '' : $data->booking_accom_before_staying_with,
	    '#states' => array(
	      'visible' => array(
	        ':input[name="booking_accom_before_reqd"]' => array('value' => 'No'),
	      ),
	    ),		 
	);
	*/
	$form['accommodation']['booking_accom_after_reqd'] = array(
		'#type' => 'radios',
		'#title' => t('Do you need us to organise accommodation after Study Week?'),
		'#options' => array('Yes' => 'Yes', 'No' => "No - I have arranged my own accommodation or I'm not staying in Sydney afterwards"),
		'#default_value' => (! isset($data->booking_accom_after_reqd)) ? 'No' : ($data->booking_accom_after_reqd == 1 ? 'Yes' : 'No'),  		
	);
	/*
	$form['accommodation']['booking_accom_after_staying_with'] = array(
		'#type' => 'textfield',
		'#title' => t('Who are you staying with in Sydney after Study Week?'),
		'#maxlength' => 100,
		'#default_value' => empty($data->booking_accom_after_staying_with) ? '' : $data->booking_accom_after_staying_with,
	    '#states' => array(
	      'visible' => array(
	        ':input[name="booking_accom_after_reqd"]' => array('value' => 'No'),
	      ),
	    ),		 
	);
	*/
	$form['requirements'] = array(
		'#type' => 'fieldset',
		'#title' => 'Special Requirements',
	);	
	$form['requirements']['booking_dietary'] = array(
	  '#type' => 'textfield',
	  '#title' => t('Special dietary requirements?'),
	  '#maxlength' => 180,
	'#default_value' => !empty($data->booking_dietary) ? $data->booking_dietary : $booking_dietary,
	);
	$form['requirements']['booking_medical_conditions'] = array(
	  '#type' => 'textfield',
	  '#title' => t('Please describe any medical condition we need to know about.'),
	  '#maxlength' => 180,
	  '#required' => FALSE,
	  '#default_value' => !empty($data->booking_medical_conditions) ? $data->booking_medical_conditions : $booking_medical_conditions,
	);	
	//only show this field if this person isn't married
	//TODO: Get their registration ID instead of their name
	if ((variable_get('booking_enable_combined_pricing', 0) == 1) && $person->booking_partner_id == 0)
	{
		$form['requirements']['booking_bf_gf_nid'] = array(
		  '#type' => 'textfield',
		  '#title' => t('Registration ID of Boyfriend/Girlfriend to be placed in the same discussion groups as you.'),
			'#maxlength' => 15,
			'#size' => 4,
			'#required' => FALSE,
		  '#default_value' => !empty($data->booking_bf_gf_nid) ? $data->booking_bf_gf_nid : $booking_bf_gf_nid,
		);
	}	
	
	if ($inserting == TRUE) {
	  $form['submit'] = array(
	    '#type' => 'submit',
	    '#value' => t('Submit'),
	  );
	}
	return $form;
}

function travel_form_validate($form, &$form_state) {
	//watchdog('booking', "<pre>Travel form:\n@info</pre>", array('@info' => print_r( $form_state, true)));

	//check that a transport choice has been made
	/*
	if ((! isset($form_state['booking_transport_type'])) || $form_state['booking_transport_type'] == NULL)
	{
		form_set_error('booking_transport_type', t('You must select a transport type.'));    
	}
	*/
	//verify boyfriend/girlfriend id is in the correct format
	if  (isset($form_state['values']['booking_bf_gf_nid']) && $form_state['values']['booking_bf_gf_nid'] != '')
	{
		
		if (! is_numeric($form_state['values']['booking_bf_gf_nid'] ))
		{
			form_set_error('booking_bf_gf_nid', 
				t('You have entered an invalid registration id for your boyfriend/girlfriend. Please ensure you are using only the registration reference number your boyfriend/girlfriend received via email. If you believe this to be incorrect, please !contact using the details provided.',
				array('!contact' => l('contact us', 'contact')))
			);			
		}
		
		//check that the partner exists
		$partner = db_query("SELECT person.nid " .
					"FROM     {booking_person} person " .
					"WHERE nid = :nid", 
					array(':nid' => $form_state['values']['booking_bf_gf_nid']))
					->fetchObject();	
		if (! $partner)
		{
			form_set_error('booking_bf_gf_nid', 
				t('We cannot find a matching registration id for your boyfriend/girlfriend. Please ensure you are using only the number that relates to their registration. If you believe this to be incorrect, please !contact using the details provided.',
				array('!contact' => l('contact us', 'contact')))
			);			
		}
	}	
	
}

function travel_form_submit($form, &$form_state) {
	global $event;
	$values = $form_state['input'];
	
	watchdog('booking', 'Submitting travel form: @info', array('@info' => var_export($values, TRUE)));
	
	//check that $values['personid'] is a number
	if (! preg_match('/^[0-9]+$/', $values['personid'])) {
		//parameter from url is not what we were expecting
		drupal_set_message("Error: Invalid form data supplied. Please use the contact us form to let us know.", 'error', FALSE);
		return "";
	}	
	
	//fetch details about the person
    $person = db_query("SELECT nid as personid, booking_tempid, booking_firstname, booking_lastname, booking_partner_id " .
				"FROM     {booking_person} " .
				"WHERE nid = :nid ", 
				array(':nid' => $values['personid']))
				->fetchObject();	
	
	//create the new node structure
	$node = new stdClass();
	$node                    = node_type_set_defaults();
	$node->title = t('!event travel form: !name', 
		array('!event' => $event->booking_eventname, '!name' => $person->booking_firstname . ' ' . $person->booking_lastname));
	$node->type = 'travel';
	$node->status = 1;         // Published?
	$node->promote  = 0;         // Display on front page?
	$node->language       = LANGUAGE_NONE;
	$node->created         = time();
	$node->changed        = time();
	//populate the data
	$node->booking_person_nid = $values['personid'];
	$node->booking_transport_type = $values['booking_transport_type'];
	$node->booking_transport_from_morriset_reqd = $values['booking_transport_from_morriset_reqd'] == 'Yes' ? 1 : 0;	
	//$node->booking_transport_to_morriset_reqd = $values['booking_transport_to_morriset_reqd'] == 'Yes' ? 1 : 0;
	$node->booking_flightnum_inbound = $values['booking_flightnum_inbound'];	
	//todo: ternary operator to handle 0 as the date time
	$node->booking_flight_datetime_inbound = _datetime_array_to_ts($values['booking_flight_datetime_inbound']);
	$node->booking_flightnum_outbound = $values['booking_flightnum_outbound'];
	$node->booking_flight_datetime_outbound = _datetime_array_to_ts($values['booking_flight_datetime_outbound']);
	$node->booking_accom_before_reqd = $values['booking_accom_before_reqd'] == 'Yes' ? 1 : 0;
	//$node->booking_accom_before_staying_with = $values['booking_accom_before_staying_with'];
	$node->booking_accom_after_reqd = $values['booking_accom_after_reqd'] == 'Yes' ? 1 : 0;
	//$node->booking_accom_after_staying_with = $values['booking_accom_after_staying_with'];
	
	//booking_person related fields
	$node->booking_dietary = $values['booking_dietary'];
	$node->booking_medical_conditions = $values['booking_medical_conditions'];
	$node->booking_bf_gf_nid = empty($values['booking_bf_gf_nid']) ? 0 : $values['booking_bf_gf_nid'];
	
	watchdog('booking', "<pre>Travel data to save:\n@info</pre>", array('@info' => print_r( $node, true)));	

	//store the node
	$foo = node_submit(&$node);
	$blah = node_save($foo);
	
	//send a confirmation email
	_booking_travelform_confirmation_email($values['personid']);

	drupal_set_message("Thanks for submitting your travel details. You should receive a confirmation email shortly.", $type = 'status');	
	$form_state['redirect'] = array('content/travel');

}

function travel_load($nodes) {
  	//watchdog('booking', 'Loading node with params: @info', array('@info' => var_export($nodes, TRUE)));	

  // note that $nodes is an array of object references, keyed by nid
  // grab the data from our module tables

	$query = db_select('booking_travel', 't');
	$query->distinct();
	$query->join('booking_person','p','p.nid = t.booking_person_nid');
	$query->fields('t');
	$query->fields('p', array('booking_dietary','booking_medical_conditions','booking_bf_gf_nid'));
	$query->condition('tid', array_keys($nodes), 'IN');
    $result = $query->execute();

	//add that data to the array of node references
	foreach ($result as $record)
	{
		//watchdog('booking', 'This node looks like: @info', array('@info' => var_export($record, TRUE)));
		// run through each result row and add in the needed attributes	
		foreach ($record as $key => $value) 
		{
			$nodes[$record->tid]->$key = $value;
		}
	}
	
  	//watchdog('booking', 'Final loaded travel form node: @info', array('@info' => var_export($nodes, TRUE)));			
  // no return necessary since $nodes array members reference objects global to this function
}

function travel_insert($node) 
{
	watchdog('booking', 'Inserting travel form: @info', array('@info' => var_export($node, TRUE)));
	db_insert('booking_travel')
	  ->fields(array(		
			'tid' => $node->nid, 
			'booking_person_nid' => $node->booking_person_nid,
			'booking_transport_type' => $node->booking_transport_type,
			'booking_transport_from_morriset_reqd' => $node->booking_transport_from_morriset_reqd,
			//'booking_transport_to_morriset_reqd' => $node->booking_transport_to_morriset_reqd,
			'booking_flightnum_inbound' => $node->booking_flightnum_inbound,	
			'booking_flight_datetime_inbound' => $node->booking_flight_datetime_inbound,
			'booking_flightnum_outbound' => $node->booking_flightnum_outbound,
			'booking_flight_datetime_outbound' => $node->booking_flight_datetime_outbound,
			'booking_accom_before_reqd' => $node->booking_accom_before_reqd,
			//'booking_accom_before_staying_with' => $node->booking_accom_before_staying_with,
			'booking_accom_after_reqd' => $node->booking_accom_after_reqd,
			//'booking_accom_after_staying_with' => $node->booking_accom_after_staying_with,
	  ))
	  ->execute();	
	
	watchdog('booking', 'booking_travel table completed.');
	
	//update the booking_person fields
	db_update('booking_person')
	  ->fields(array(
		'booking_dietary' => $node->booking_dietary,
		'booking_medical_conditions' => $node->booking_medical_conditions,
		'booking_bf_gf_nid' => $node->booking_bf_gf_nid,
		))
	  ->condition('nid', $node->booking_person_nid)
	  ->execute();	
	
	watchdog('booking', 'booking_person table completed.');
}

function travel_update($node)
{
	watchdog('booking', 'Updating travel form booking_travel table: @info', array('@info' => var_export($node, TRUE)));
	db_update('booking_travel')
		->fields(array(		
			'tid' => $node->nid, 
			'booking_person_nid' => $node->booking_person_nid,
			'booking_transport_type' => $node->booking_transport_type,
			'booking_transport_from_morriset_reqd' => $node->booking_transport_from_morriset_reqd == 'Yes' ? 1 : 0,
			//'booking_transport_to_morriset_reqd' => $node->booking_transport_to_morriset_reqd,
			'booking_flightnum_inbound' => $node->booking_flightnum_inbound,	
			'booking_flight_datetime_inbound' => _datetime_to_ts($node->booking_flight_datetime_inbound),
			'booking_flightnum_outbound' => $node->booking_flightnum_outbound,
			'booking_flight_datetime_outbound' => _datetime_to_ts($node->booking_flight_datetime_outbound),
			'booking_accom_before_reqd' => $node->booking_accom_before_reqd == 'Yes' ? 1 : 0,
			//'booking_accom_before_staying_with' => $node->booking_accom_before_staying_with,
			'booking_accom_after_reqd' => $node->booking_accom_after_reqd == 'Yes' ? 1 : 0,
			//'booking_accom_after_staying_with' => $node->booking_accom_after_staying_with,
	  ))
	  ->condition('tid', $node->nid)	
	  ->execute();	
	
	watchdog('booking', 'Updating travel form booking_person table');
	
	//update the booking_person fields
	db_update('booking_person')
	  ->fields(array(
		'booking_dietary' => $node->booking_dietary,
		'booking_medical_conditions' => $node->booking_medical_conditions,
		'booking_bf_gf_nid' => $node->booking_bf_gf_nid,
		))
	  ->condition('nid', $node->booking_person_nid)
	  ->execute();	
}

function travel_delete($node) 
{
	$person_id = $node->booking_person_nid;
	$num_deleted = db_delete('booking_travel')
	  ->condition('tid', $node->nid)
	  ->execute();
	$message = t("Successfully deleted !num row(s), corresponding to person ID !id", 
				array('!num' => $num_deleted, '!id' => $person_id));
	drupal_set_message($message, $type = 'status');	
}


function travel_view($node, $view_mode) {
	global $event;

	//fetch details about the person
	$person = db_query("SELECT p.*, t.* from {booking_person} p " .
						"left outer join {booking_travel} t on p.nid = t.booking_person_nid " .
						"where p.nid = :nid",
						array(':nid' => $node->booking_person_nid))	
				->fetchObject();
	//and their boyfriend/girlfriend if it is defined	
	if ($person->booking_bf_gf_nid != 0)
	{
		$query = db_query("Select booking_firstname, booking_lastname from {booking_person} where nid = :nid",
					array(':nid' => $node->booking_bf_gf_nid))
					->fetchObject();	
		$bf_gf = $query->booking_firstname . " " . $query->booking_lastname;	
	}
	else
		$bf_gf = "N/A";
				
				
	$header = array('Attribute', 'Value');
	$rows = array();

	$rows[] = array(t('Name:'), l(t('!first !last', array('!first' => $person->booking_firstname, '!last' => $person->booking_lastname)),
	t('node/!id', array('!id' => $node->booking_person_nid))),);
	$rows[] = array(t('Transport Type:'), $node->booking_transport_type);
	$rows[] = array(t('Catching the train to Study Week:'), $node->booking_transport_from_morriset_reqd == 1 ? 'Yes' : 'No');
	$rows[] = array(t('Inbound Flight Number:'), $node->booking_flightnum_inbound);
	$rows[] = array(t('Flight Arrival:'), t('!date', array('!date' => format_date($node->booking_flight_datetime_inbound, 'custom', 'd/m/Y H:i'))));
	$rows[] = array(t('Outbound Flight Number:'), $node->booking_flightnum_outbound);
	$rows[] = array(t('Flight Departure:'), t('!date', array('!date' => format_date($node->booking_flight_datetime_outbound, 'custom', 'd/m/Y H:i'))));
	$rows[] = array(t('Accommodation before Study Week Required:'), $node->booking_accom_before_reqd == 1 ? 'Yes' : 'No');
	$rows[] = array(t('Accommodation after Study Week Required:'), $node->booking_accom_after_reqd == 1 ? 'Yes' : 'No');
	//fields from booking_person
	$rows[] = array(t('Special Dietary Requirements:'), $node->booking_dietary);
	$rows[] = array(t('Special Medical Conditions:'), $node->booking_medical_conditions);  
	$rows[] = array(t('Boyfriend/Girlfriend:'), $bf_gf);

	$node->content['details'] = array(
		'#markup' => theme('table', array('header' => $header, 'rows' => $rows)),
		'#weight' => 1,
	);
	return $node;
}