<?php
// $Id: booking.module,v 0.1 2011/07/11 $

/**
 * @file
 * A Drupal module for the management of youth conferences.
 * 
 * Functionality currently supported:
 * 
 * TODO:
 */
 
 /**
 * Load module includes
 */
 
 //TODO: Dynamic event IDs instead of hard coding it here. Also defined in booking.install
define('EVENTID', 1);
define('BOOKING_PAYPAL_SUBMIT_URL', 'https://www.paypal.com/cgi-bin/webscr');
define('BOOKING_PAYPAL_SUBMIT_URL_SANDBOX', 'https://www.sandbox.paypal.com/cgi-bin/webscr');
define('BOOKING_PAYPAL_IPN_PATH', 'system/booking_paypal/ipn');
define('TIMEZONE', 'Australia/Sydney');
define('BOOKING_DEFAULT_STATE', 'NSW');
define('CUSTOM_EMAIL_COUNT', 5);

// Load the include for various constants
module_load_include('inc', 'booking', 'booking.constants');
// Load the include for admin defined text blocks
module_load_include('inc', 'booking', 'booking.tokens');
// Load the include that contains the user registration form
module_load_include('inc', 'booking', 'booking.register');
// Load the include that contains the registration confirmation page
module_load_include('inc', 'booking', 'booking.confirm');
// Load the include that contains the registration balance payment page
module_load_include('inc', 'booking', 'booking.balance');
// Load the include that contains the registration reports pages
module_load_include('inc', 'booking', 'booking.reports');
// Load the include for the admin pages
module_load_include('inc', 'booking', 'booking.admin');
// Load the include for admin pages relating to events
module_load_include('inc', 'booking', 'booking.events');
// Load the include for admin pages relating to event pricing
module_load_include('inc', 'booking', 'booking.prices');
// Load the include for admin pages relating to manual processing of payments
module_load_include('inc', 'booking', 'booking.manual_payment');
// Load the include for helper functions
module_load_include('inc', 'booking', 'booking.helper');
// Load the include for paypal functions
module_load_include('inc', 'booking', 'booking.paypal');
// Load the include for email functions
module_load_include('inc', 'booking', 'booking.emails');
// Load the include for bulk data import
module_load_include('inc', 'booking', 'booking.import_data');
// Load the include for variety session configuration
module_load_include('inc', 'booking', 'booking.variety');

function booking_init() {
	date_default_timezone_set(TIMEZONE); 
	global $event;

	//reference - http://www.devdaily.com/drupal/drupal-7-sql-cheat-sheet-function-examples
	$event = db_query("SELECT * from {booking_event} where booking_event_active=1")
			   ->fetchObject();
   
	//used for development only
	//menu_rebuild();
}

/**
 * Implementation of hook_permission().
 * D7 done.
 */
function booking_permission() {
	return array(
		'access booking form' => array(
		  'title' => t('Access the booking form'),
		),
		'access lists' => array(
		  'title' => t('Access the coming and waiting lists'),
		),		
		'access booking summary' => array(
		  'title' => t('Access the summary of booking forms'),
		),
		'access reports' => array(
		  'title' => t('Access booking reports'),
		),		
		'create bookings' => array(
		  'title' => t('Create a booking'),
		),
		'view bookings' => array(
		  'title' => t('Access all bookings'),
		),
		'edit bookings' => array(
		  'title' => t('Edit all bookings'),
		),		
	);
}

/**
 * Implementation of hook_menu().
 */
function booking_menu() {
	global $event;	
	booking_init();
	//handle the case where the event hasn't been defined yet
	$bookingTitle = !empty($event->booking_eventname) ? $event->booking_eventname : 'Event';
	
	$items = array(); 

	$items['admin/config/booking'] = array(
		/*
		'title'                               => 'Booking module configuration',
		'description'                         => 'Configure the Booking module',
		'page callback'                       => 'drupal_get_form',
		'page arguments'                      => array('booking_admin'),
		'access arguments'                    => array('access administration pages'),
		*/
		
	    'title' => 'Booking module configuration',
	    'description' => 'Configure the Booking module',
	    'position' => 'left',
	    'weight' => -100,
	    'page callback' => 'system_admin_menu_block_page',
	    'access arguments' => array('administer site configuration'),
	    'file' => 'system.admin.inc',
	    'file path' => drupal_get_path('module', 'system'),		
		//'type'								  => MENU_DEFAULT_LOCAL_TASK,	
		

	);	
	
	$items['admin/config/booking/general'] = array(

		'title'                               => 'Booking module general configuration',
		'description'                         => 'Configure general settings for Booking module',
		'page callback'                       => 'drupal_get_form',
		'page arguments'                      => array('booking_admin'),
		'access arguments'                    => array('administer site configuration'),
		//'type'                                => MENU_DEFAULT_LOCAL_TASK,
	    //'position' => 'left',
	    'weight' => -100,		
	);


	//http://www.akchauhan.com/create-drupal-form-using-theme_table-like-module-list-form/
	$items['admin/config/booking/text'] = array(
		'title'                               => 'Booking module text definitions',
		'description'                         => 'Configure text used in the CYC Booking module',
		'page callback'                       => 'drupal_get_form',
		'page arguments'                      => array('booking_tokens_admin'),
		'access arguments'                    => array('administer site configuration'),
		//'type'                                => MENU_LOCAL_TASK,
	);	
	$items['admin/config/booking/prices'] = array(
		'title'                               => 'Booking module price settings',
		'description'                         => 'Configure prices for the Event Booking module',
		'page callback'                       => 'drupal_get_form',
		'page arguments'                      => array('booking_price_admin'),
		'access arguments'                    => array('administer site configuration'),
		//'type'                                => MENU_LOCAL_TASK,
	);   
	
	$items['admin/config/booking/events'] = array(
		'title'                               => 'Booking module event settings',
		'description'                         => 'Configure events for the Event Booking module',
		'page callback'                       => 'drupal_get_form',
		'page arguments'                      => array('booking_event_admin'),
		'access arguments'                    => array('administer site configuration'),
		//'type'                                => MENU_LOCAL_TASK,
	);	
	$items['admin/config/booking/variety'] = array(
		'title'                               => 'Booking module variety sessions',
		'description'                         => 'Configure variety sessions for the Event Booking module',
		'page callback'                       => 'drupal_get_form',
		'page arguments'                      => array('booking_variety_admin'),
		'access arguments'                    => array('administer site configuration'),
		//'type'                                => MENU_LOCAL_TASK,
	);
	
	$items['booking']                       = array(
		'title'                               => $bookingTitle . ' Booking Form',
		'page callback'                       => 'booking_register_page',
		'access arguments'                    => array('access booking form'),
		'type'                                => MENU_NORMAL_ITEM,
	);
	$items['confirm/%']              = array(
		'title'                               => 'Booking Payment',
		'page callback'                       => 'booking_confirm_page',
		'page arguments'                      => array(3),    //include the temporary id
		'access arguments'                    => array('access booking form'),
		'type'                                => MENU_CALLBACK,
	);  
	

	$items['balance/%']              = array(
		'title'                               => 'Registration Final Payment',
		'page callback'                       => 'booking_balance_page',
		'page arguments'                      => array(3),    //include the temporary id
		'access arguments'                    => array('access booking form'),
		'type'                                => MENU_CALLBACK,
	);

	//Various reports
	$items['admin/booking/summary'] = array(
		'title' => 'Booking Summary',
		'description' => 'List people and their payments for the current event',
		'page callback' => 'booking_report_summary',
		'access arguments'  => array('access reports'),
		'type' => MENU_NORMAL_ITEM,
		);
		
	$items['admin/booking/paypal'] = array(
		'title' => 'Booking Paypal Summary',
		'description' => 'List paypal payments',
		'page callback' => 'booking_report_paypal_payments',
		'access arguments'  => array('access reports'),
		'type' => MENU_NORMAL_ITEM,
		);
	
	$items['admin/booking/manual-email'] = array(
		'title' => 'Manually Email People',
		'description' => 'Send manual email to registered people',
		'page callback'                       => 'drupal_get_form',
		'page arguments'                      => array('booking_manual_email'),
		'access arguments'                    => array('access administration pages'),				
		'type' => MENU_NORMAL_ITEM,
		);		
		
	$items['admin/booking/manual-payments'] = array(
		'title' => 'Manual Payment Processing',
		'description' => 'Manually process peoples payments',
		'page callback'                       => 'drupal_get_form',
		'page arguments'                      => array('booking_manual_payment_admin'),
		'access arguments'                    => array('edit bookings'),				
		'type' => MENU_NORMAL_ITEM,
		);
				
	$items['admin/booking/csv'] = array(
		'title' => 'Booking Report',
		'description' => 'Download a csv of people registered for the current event',
		'page callback' => 'booking_csv_report',
		'access arguments'  => array('access reports'),
		'type' => MENU_NORMAL_ITEM,
		);		

	$items['admin/booking/import-data'] = array(
		'title' => 'Booking Upload Data',
		'description' => 'Upload a csv of containing payment data',
		'page callback'                       => 'drupal_get_form',
		'page arguments'                      => array('booking_import_data_admin'),
		'access arguments'                    => array('edit bookings'),				
		'type' => MENU_NORMAL_ITEM,
		);

		
	$items['coming'] = array(
		'title' => "Who's Coming?",
		'page callback' => 'booking_coming_page',
		'access arguments' => array("access lists"),
		'type' => MENU_NORMAL_ITEM,
	);
	
	$items['waitinglist'] = array(
		'title' => "Who's on the waiting list?",
		'page callback' => 'booking_waitinglist_page',
		'access arguments' => array("access lists"),
		'type' => MENU_NORMAL_ITEM,
	);	

	//The administration menu

	$items['admin/config/booking/prices/create'] = array(
		'title'                               => 'Add New Price Entry',
		'description'                         => 'Add priceentry for the Booking module',
		'page callback'                       => 'drupal_get_form',
		//'page arguments'                      => array('booking_price_create'),
		'page arguments'                      => array('booking_price_form', true),
		'access arguments'                    => array('access administration pages'),
		'type'                                => MENU_LOCAL_ACTION,
	);	
	
	$items['admin/config/booking/prices/%/edit']              = array(
		'title'                               => 'Edit Price',
		'page callback'                       => 'drupal_get_form',
		'page arguments'                      => array('booking_price_form', false, 4),		
		'access arguments'                    => array('access administration pages'),
		'type'                                => MENU_CALLBACK,
	);
	
	$items['admin/config/booking/events/create'] = array(
		'title'                               => 'Add New Event',
		'description'                         => 'Add event for the Booking module',
		'page callback'                       => 'drupal_get_form',
		'page arguments'                      => array('booking_event_form', true),
		'access arguments'                    => array('access administration pages'),
		'type'                                => MENU_LOCAL_ACTION,
	);	
	
	$items['admin/config/booking/events/%/edit']              = array(
		'title'                               => 'Edit Event',
		//'page callback'                       => 'booking_event_create',
		//'page arguments'                      => array(3),
		'page callback'                       => 'drupal_get_form',
		'page arguments'                      => array('booking_event_form', false, 4),		
		'access arguments'                    => array('access administration pages'),
		'type'                                => MENU_CALLBACK,
	);	
	
	$items['admin/config/booking/variety/create'] = array(
		'title'                               => 'Add New Variety Session',
		'description'                         => 'Add variety session for the Booking module',
		'page callback'                       => 'drupal_get_form',
		//'page arguments'                      => array('booking_price_create'),
		'page arguments'                      => array('booking_variety_form', true),
		'access arguments'                    => array('access administration pages'),
		'type'                                => MENU_LOCAL_ACTION,
	);	
	
	$items['admin/config/booking/variety/%/edit']              = array(
		'title'                               => 'Edit Variety Session',
		'page callback'                       => 'drupal_get_form',
		'page arguments'                      => array('booking_variety_form', false, 4),		
		'access arguments'                    => array('access administration pages'),
		'type'                                => MENU_CALLBACK,
	);
	

	//the paypal IPN
	$items[BOOKING_PAYPAL_IPN_PATH]          = array(
		'type'                                  => MENU_CALLBACK,
		'page callback'                       => 'booking_paypal_ipn',
		'access callback'                     => TRUE
	);   
   
	return $items; 
 
}

/**
 * Describe the nodes we are going to define to model content specific to the booking module
 * D7 done
 */
function booking_node_info() {
  return array(
    'booking' => array(
      'name' => t('Registration'),
      'base' => 'booking',
      'description' => t('This node represents a booking into an event.'),
	)
  );
}


/**
 * Implementation of access related hooks for booking_registration node type.
 */
function booking_node_access($node, $op, $account) {
	$type = is_string($node) ? $node : $node->type;

	if ($type == 'booking' && in_array($type, node_permissions_get_configured_types())) {		
		//watchdog('booking', "Booking node_access processing user id '!account' performing operation !op for node type !type. @info", 
		//	array('!account' => $account->uid, '!op' => $op, '!type' => $type, '@info' => var_export($account, TRUE)));	
			
	  	if ($op == 'view')
		{
			//watchdog('booking', 'Booking node_access checking permissions for view operation.');		
			if (user_access('view bookings', $account))
				return NODE_ACCESS_ALLOW;
		}
		elseif ($op == 'create')
		{
			//watchdog('booking', 'Booking node_access checking permissions for create operation.');
			if (user_access('create bookings', $account))
				return NODE_ACCESS_ALLOW;
			//create is a special case, since typically anonymous users will be creating a booking node via the form anyway
			//rather than logging a denied message for each registration, return denied here
			else
				return NODE_ACCESS_DENY;
		}
		elseif ($op == 'update' || $op == 'delete')
		{
			if (user_access('edit bookings', $account))
				return NODE_ACCESS_ALLOW;
		}
	
		//no permission to view this information
		//watchdog('booking', "Booking node_access denying uid !account performing operation !op. @info", 
		//	array('!account' => $account->uid, '!op' => $op, '@info' => var_export($account, TRUE)));
		watchdog('booking', "Booking node_access denying user id '!account' performing operation !op for node type !type. @info", 
			array('!account' => $account->uid, '!op' => $op, '!type' => $type, '@info' => var_export($account, TRUE)));		
		return NODE_ACCESS_DENY;
	}
	/*
	else
	{
		watchdog('booking', "hook_node_access processing uid !account performing operation !op for node type !type. @info", 
			array('!account' => $account->uid, '!op' => $op, '!type' => $type, '@info' => var_export($account, TRUE)));
	}
	*/
	
 /*
  if ($op == 'view')
     return user_access('view all bookings', $account);
   if ($op == 'create')
     return user_access('create bookings', $account);
   if ($op == 'update' || $op == 'delete')
     return user_access('edit bookings', $account);
 */
 
}


/**
 * Implementation of hook_theme().
 */
function booking_theme() {
  return array(
    'booking_details' => array('arguments' => array('node' => NULL)),
    //'booking_price_admin' => array('arguments' => array('form' => NULL))
  );
}

/**
 * Implementation of hook_mail().
 */
function booking_mail($key, &$message, $params) {
  $message['subject'] = $params['subject'];
  $message['body'][] = $params['body'];
}

/**
 * Registration node modification hooks for booking nodes.
 */
function booking_insert($node) {
  //moved to booking.register.inc
  	watchdog('booking', 'Inserting person: @info', array('@info' => var_export($node, TRUE)));
	_booking_insert($node);        
}

function booking_update($node) {
  //moved to booking.register.inc
  _booking_update($node);
}

function booking_delete($node) {
  //moved to booking.register.inc
  _booking_delete($node);
}

//Update node table specific attributes before hook_update is called
function booking_node_presave($node) {
	global $event;
	
	if($node->type == 'booking')
	{
		$node->title = t('!event registration: !name', 
			array('!event' => $event->booking_eventname, '!name' => $node->booking_firstname . ' ' . $node->booking_lastname));	
		//watchdog('booking', 'Presave of person: @info', array('@info' => var_export($node, TRUE)));		
	}
}