<?php

/**
 * Function to send email to registrant after completing registration process
 *
 * @param $nid - the node id relating to the registration node
 * @return nothing
 */
function _booking_registration_email($nid, $balance_payment, $manual = false) {
	global $event; 	
	global $user;  
	$language = user_preferred_language($user);
	//$account = $user;  

	//flush cache for this node
	entity_get_controller('node')->resetCache(array($nid));

	//load the node matching this id
	$node = node_load($nid);

	watchdog('booking', 'Sending registration email to !first !last', 
		array('!first' => $node->booking_firstname, '!last' => $node->booking_lastname));
	
	//waiting list has already been calculated, stored in node
	$waiting_list = $node->booking_status == 2 ? TRUE : FALSE;

	//calculate the from email address
	$from = t('!event Registrations <!email>', array('!event' => $event->booking_eventname, 
	           '!email' =>  variable_get('booking_contact_email', variable_get('site_mail', ini_get('sendmail_from')))
	         ));    
 	
	//calculate fields for email to be sent
	$to = $node->booking_email;

	if ($balance_payment == TRUE) {
		$subject = t('!event Payment Complete', array('!event' => $event->booking_eventname));
	}
	else {
		$subject = t('!event Registration', array('!event' => $event->booking_eventname));
	}
	$params['subject'] = $subject;

	//Check if we should apply a HTML theme to the email text or just send a normal email
	if(variable_get('booking_enable_html_mail', 0) == 1) {
		$html_body = theme('booking_htmlmail_registration_mail', 
			array(
				'module' => 'booking',
				'key' => 'registration_mail',
				'body' => _booking_registration_email_generate($node, $waiting_list, $balance_payment, $manual),
				'subject' => $subject,
		));
		watchdog('booking_debug', "<pre>HTML body themed\n@info</pre>", array('@info' => print_r($html_body, true)));
		$params['body'] = $html_body;
	}
	else {
		$body = _booking_registration_email_generate($node, $waiting_list, $balance_payment, $manual);
		$params['body'] = $body;	
	}

	if (variable_get('booking_bcc_notify_email_workflow', 0) == 1) {	
		$params['headers']['Bcc'] = variable_get('booking_notify_email', variable_get('site_mail', ini_get('sendmail_from')));
	} 
	else {
		$params['headers']['Bcc'] = BOOKING_EMAIL_DEV_NOTIFY;
	} 
	
	//send the email to the person
	drupal_mail('booking', 'registration_mail', $to, $language, $params, $from);
	
	//send a notification email if we didn't automatically send one earlier
	if (variable_get('booking_auto_confirm_email', 0) == 1) {
		_booking_regn_notifyonly_email($node, $balance_payment);
	}	
}

/**
 * Function to send notification email only, nothing to the end user
 *
 * @param $node - variable representing the booking node
 * @return nothing
 */
function _booking_regn_notifyonly_email($node, $balance_payment) {
	global $event; 	
	global $user;  
	$language = user_preferred_language($user);	
	$tokens = booking_define_personspecific_tokens($node);	
	
	watchdog('booking', 'Sending notification email about !first !last', 
		array('!first' => $node->booking_firstname, '!last' => $node->booking_lastname));

	//calculate the from email address
	$from = t('!event Registrations <!email>', array('!event' => $event->booking_eventname, 
	           '!email' =>  variable_get('booking_contact_email', variable_get('site_mail', ini_get('sendmail_from')))
	         ));
	
	//just put the registration info in this email to notify the appropriate people
	$to = variable_get('booking_notify_email', variable_get('site_mail', ini_get('sendmail_from')));

	if ($balance_payment == TRUE) {
		$params['subject'] = t('Registration Fully Paid: !first !last', 
			array('!first' => $node->booking_firstname, '!last' => $node->booking_lastname));
	}
	else {
		$params['subject'] = t('New Registration: !first !last', 
			array('!first' => $node->booking_firstname, '!last' => $node->booking_lastname));
	}

	$body = variable_get('booking_email_notification_text');
	//Use the value of the field if it is an array from a HTML textarea
	$body = isset($body['format']) ? $body['value'] : $body;
	$body = token_replace($body, $tokens);

	//Check if we should apply a HTML theme to the email text or just send a normal email
	if(variable_get('booking_enable_html_mail', 0) == 1) {
		$html_body = theme('booking_htmlmail_registration_mail', 
			array(
				'module' => 'booking',
				'key' => 'registration_mail_notify',
				'body' => $body,
				'subject' => $subject,
		));
		watchdog('booking_debug', "<pre>HTML body themed\n@info</pre>", array('@info' => print_r($html_body, true)));
		$params['body'] = $html_body;
	}
	else {
		$params['body'] = $body;	
	}

	//$params['body'] = token_replace(variable_get('booking_email_notification_text'), $tokens);
	
	if (variable_get('booking_bcc_notify_email_workflow', 0) == 1) {	
		$params['headers']['Bcc'] = variable_get('booking_notify_email', variable_get('site_mail', ini_get('sendmail_from')));
	} 
	else {
		$params['headers']['Bcc'] = BOOKING_EMAIL_DEV_NOTIFY;
	} 
	
	drupal_mail('booking', 'registration_mail_notify', $to, $language, $params, $from);		
}

/**
 * Function to generate email text to be sent to registrant after completing registration process
 *
 * @param $node - the registration node
 * @param $booking_count - the number of bookings already made for this event id
 * @param $waiting_list - whether this registration is on on the waiting list
 * @return array containing email text
 */
 function _booking_registration_email_generate($node, $waiting_list, $balance_payment, $manual) {
	global $event;
	$tokens = booking_define_personspecific_tokens($node);
	$body = "";

	if ($balance_payment == True) {
		$body = variable_get('booking_email_regn_complete_text');
		//$contact_message = token_replace(variable_get('booking_email_regn_complete_text'), $tokens);
	}
	elseif ($waiting_list == False) {
		$body = variable_get('booking_email_bookedin_text');
		//$contact_message = token_replace(variable_get('booking_email_bookedin_text'), $tokens);
	}
	else {
		//booking is on the waiting list
		$body = variable_get('booking_email_waitinglist_text');
		//$contact_message = token_replace(variable_get('booking_email_waitinglist_text'), $tokens);
	}

	//Use the value of the field if it is an array from a HTML textarea
	$body = isset($body['format']) ? $body['value'] : $body;
	//watchdog('booking_debug', "<pre>Email generation:\n@info</pre>", array('@info' => print_r( $body, true)));		
	//$contact_message .= "\n\n" . t("!details", array('!details' => _booking_details_email_summary($node)));
	return token_replace($body, $tokens);

}


/**
 * Function to generate email to be sent to the registrant to remind them of how much they owe, and include a payment link
 *
 * @param $nid - the registration node
 */
function _booking_balance_payment_email($nid) {
	global $event; 	
	global $user;  
	$language = user_preferred_language($user);
	$message_body = "";
	
	//load the node matching this id
	$node = node_load($nid);
	$tokens = booking_define_personspecific_tokens($node);	

	if ($tokens['payment-required'] <= 0) {
		watchdog('booking', "Not sending amount owing email, since this person doesn't owe any money: @info", 
			array('@info' => var_export($node, TRUE)));
		return;
	}	

	//calculate the from email address
	$from = t('!event Registrations <!email>', array('!event' => $event->booking_eventname, 
	           '!email' =>  variable_get('booking_contact_email', variable_get('site_mail', ini_get('sendmail_from')))
	         ));	

	//calculate the remaining parameters
	$to = $node->booking_email;	
	$params['subject'] = token_replace(variable_get('booking_email_paymentoutstanding_subject', 
		t('!event Payment Required', array('!event' => $event->booking_eventname))), $tokens);	
		
	if (variable_get('booking_bcc_notify_email_workflow', 0) == 1) {	
		$params['headers']['Bcc'] = variable_get('booking_notify_email', variable_get('site_mail', ini_get('sendmail_from')));
	} 
	else {
		$params['headers']['Bcc'] = BOOKING_EMAIL_DEV_NOTIFY;
	}

	//retrieve the body of the email for a married couple only if we're combining pricing for couples
	if (variable_get('booking_enable_combined_pricing', 0) == 1 && $node->booking_partner_id > 0) {
		watchdog('booking', "Sending the married-couple specific outstanding balance email for this person: @info", 
			array('@info' => var_export($node, TRUE)));
		$message_body = variable_get('booking_email_paymentoutstanding_married_text');
	}
	//otherwise retrieve the body of the email for individuals
	else {
		$message_body = variable_get('booking_email_paymentoutstanding_text');
	}

	$message_body = isset($message_body['format']) ? $message_body['value'] : $message_body;
	$message_body = token_replace($message_body, $tokens);	

	//Check if we should apply a HTML theme to the email text or just send a normal email
	if(variable_get('booking_enable_html_mail', 0) == 1) {
		$html_body = theme('booking_htmlmail_registration_mail', 
			array(
				'module' => 'booking',
				'key' => 'registration_mail_bal_outstanding',
				'body' => $message_body,
				'subject' => $subject,
		));
		watchdog('booking_debug', "<pre>HTML body themed\n@info</pre>", array('@info' => print_r($html_body, true)));
		$params['body'] = $html_body;
	}
	else {
		$params['body'] = $message_body;	
	}	
	
	//send the email
	drupal_mail('booking', 'registration_mail_bal_outstanding', $to, $language, $params, $from);					
}

/**
 * Function to generate email to be sent to the registrant thanking them for a partial balance payment
 *
 * @param $nid - the registration node
 */
function _booking_partialbalance_payment_email($nid) {
	global $event; 	
	global $user;  
	$language = user_preferred_language($user);	
	
	//load the node matching this id
	$node = node_load($nid);
	$tokens = booking_define_personspecific_tokens($node);	

	if ($tokens['payment-required'] <= 0) {
		watchdog('booking', "Not sending amount owing email, since this person doesn't owe any money: @info", array('@info' => var_export($node, TRUE)));
		return;
	}	

	//calculate the from email address
	$from = t('!event Registrations <!email>', array('!event' => $event->booking_eventname, 
	           '!email' =>  variable_get('booking_contact_email', variable_get('site_mail', ini_get('sendmail_from')))
	         ));	

	//calculate the remaining parameters
	$to = $node->booking_email;
	$subject = t('!event Partial Payment Received', array('!event' => $event->booking_eventname));
	$params['subject'] = $subject;
	if (variable_get('booking_bcc_notify_email_workflow', 0) == 1) {	
		$params['headers']['Bcc'] = variable_get('booking_notify_email', variable_get('site_mail', ini_get('sendmail_from')));
	} 
	else {
		$params['headers']['Bcc'] = BOOKING_EMAIL_DEV_NOTIFY;
	} 
	
	//TODO: Married couple version of this
	$params['body'] = token_replace(variable_get('booking_email_partialpayment_received_text'), $tokens);
	
	//send the email
	drupal_mail('booking', 'registration_mail_bal_outstanding', $to, $language, $params, $from);						
}


/**
 * Function to generate email to be sent to the registrant based on custom email template configured in text tokens page
 *
 * @param $nid - the registration node
 * @param $email_type - select which custom email template to use
 * @return nothing
 */
function _booking_custom_email($nid, $email_type, $sender = 'contact') {
	global $event; 	
	global $user;  
	$language = user_preferred_language($user);	
	
	//calculate the drupal variables to use
	$email_subject_variable = 'booking_email_subject_' . $email_type;
	$email_body_variable = 'booking_email_' . $email_type;
			
	if ($sender == 'contact') {
		//watchdog('booking', 'Sending a custom email from the contact email address.');
		//calculate the from email address for a contact email
		$from = t('!event Registrations <!email>', array('!event' => $event->booking_eventname, 
							'!email' =>  variable_get('booking_contact_email', variable_get('site_mail', ini_get('sendmail_from')))
						));				
	} 
	elseif ($sender == 'logistics') {
		watchdog('booking_debug', "<pre>Custom logistics email\n@subject\n@body</pre>", 
						array('@subject' => $email_subject_variable, '@body' => $email_body_variable));		
		//calculate the from email address for a logistics email
		$from = t('!event Registrations <!email>', array('!event' => $event->booking_eventname, 
							'!email' =>  variable_get('booking_logistics_email', variable_get('site_mail', ini_get('sendmail_from')))
						));				
	}

	//load the node matching this id
	$node = node_load($nid);
	$tokens = booking_define_personspecific_tokens($node);	

	//calculate the remaining parameters
	$to = $node->booking_email;
	$subject = token_replace(variable_get($email_subject_variable, t('!event', array('!event' => $event->booking_eventname))), $tokens);
	$params['subject'] = $subject;
	if (variable_get('booking_bcc_notify_email_workflow', 0) == 1) {	
		$params['headers']['Bcc'] = variable_get('booking_notify_email', variable_get('site_mail', ini_get('sendmail_from')));
	} 
	else {
		$params['headers']['Bcc'] = BOOKING_EMAIL_DEV_NOTIFY;
	} 

	//get the matching message text and replace any tokens needed
	$message_body = variable_get($email_body_variable);
	$message_body = isset($message_body['format']) ? $message_body['value'] : $message_body;
	$message_body = token_replace($message_body, $tokens);	

	//Check if we should apply a HTML theme to the email text or just send a normal email
	if(variable_get('booking_enable_html_mail', 0) == 1) {
		$html_body = theme('booking_htmlmail_registration_mail', 
			array(
				'module' => 'booking',
				'key' => 'booking_email_custom',
				'body' => $message_body,
				'subject' => $subject,
		));
		watchdog('booking_debug', "<pre>HTML body themed\n@info</pre>", array('@info' => print_r($html_body, true)));
		$params['body'] = $html_body;
	}
	else {
		$params['body'] = $message_body;	
	}	

	
	//retrieve the body of the email
	//$params['body'] = token_replace(variable_get($email_body_variable), $tokens);
	
	//send the email to the person
	drupal_mail('booking', 'booking_email_custom', $to, $language, $params, $from);				
}

/**
 * Function to generate email to be sent to the registrant once they move from the waiting list to the coming list
 *
 * @param $nid - the registration node
 */
function _booking_promoted_from_waitinglist_email($nid) {
	global $event; 	
	global $user;  
	$language = user_preferred_language($user);	
	
	//return without doing anything if we shouldn't send workflow emails
	if (variable_get('booking_auto_workflow_email', 0) == 0) {
		watchdog('booking', 'Not sending promoted-from-waitinglist email since that feature is currently disabled.');
		return;
	}	
	
	//load the node matching this id
	$node = node_load($nid);
	$tokens = booking_define_personspecific_tokens($node);	

	//calculate the from email address
	$from = t('!event Registrations <!email>', array('!event' => $event->booking_eventname, 
	           '!email' =>  variable_get('booking_contact_email', variable_get('site_mail', ini_get('sendmail_from')))
	         ));	

	//calculate the remaining parameters
	$to = $node->booking_email;
	$subject = t('!event Position Available', array('!event' => $event->booking_eventname));
	$params['subject'] = $subject;
	if (variable_get('booking_bcc_notify_email_workflow', 0) == 1) {	
		$params['headers']['Bcc'] = variable_get('booking_notify_email', variable_get('site_mail', ini_get('sendmail_from')));
	} 
	else {
		$params['headers']['Bcc'] = BOOKING_EMAIL_DEV_NOTIFY;
	} 
	
	//retrieve the body of the email
	$params['body'] = token_replace(variable_get('booking_email_waitinglistpromotion'), $tokens);
	
	//send the email
	drupal_mail('booking', 'booking_email_custom', $to, $language, $params, $from);	
}

/**
 * Function to generate email to be sent to the attendee once they pull out and move to the not-coming list
 *
 * @param $nid - the registration node
 */
function _booking_demoted_to_notcoming_email($nid) {
	global $event; 	
	global $user;  
	$language = user_preferred_language($user);	
	
	//return without doing anything if we shouldn't send workflow emails
	if (variable_get('booking_auto_workflow_email', 0) == 0) {
		watchdog('booking', 'Not sending not-coming email since that feature is currently disabled.');
		return;
	}	
	
	//load the node matching this id
	$node = node_load($nid);
	$tokens = booking_define_personspecific_tokens($node);	

	//calculate the from email address
	$from = t('!event Registrations <!email>', array('!event' => $event->booking_eventname, 
	           '!email' =>  variable_get('booking_contact_email', variable_get('site_mail', ini_get('sendmail_from')))
	         ));	

	//calculate the remaining parameters
	$to = $node->booking_email;
	$subject = token_replace(variable_get('booking_email_notcoming_demotion_subject', t('!event', array('!event' => $event->booking_eventname))), $tokens);
	//$subject = t('!event withdrawal confirmation', array('!event' => $event->booking_eventname));
	$params['subject'] = $subject;
	if (variable_get('booking_bcc_notify_email_workflow', 0) == 1) {	
		$params['headers']['Bcc'] = variable_get('booking_notify_email', variable_get('site_mail', ini_get('sendmail_from')));
	} 
	else {
		$params['headers']['Bcc'] = BOOKING_EMAIL_DEV_NOTIFY;
	} 
	
	//retrieve the body of the email
	$params['body'] = token_replace(variable_get('booking_email_notcoming_demotion'), $tokens);
	
	//send the email
	drupal_mail('booking', 'booking_email_custom', $to, $language, $params, $from);
}

/**
 * Function to generate email to be sent to the attendee if they miss the payment deadline
 *
 * @param $nid - the registration node
 */
function _booking_missedpayment_email($nid) {
	global $event; 	
	global $user;  
	$language = user_preferred_language($user);	
	
	//return without doing anything if we shouldn't send workflow emails
	if (variable_get('booking_auto_workflow_email', 0) == 0) {
		watchdog('booking', 'Not sending missed-payment email since that feature is currently disabled.');
		return;
	}	
	
	//load the node matching this id
	$node = node_load($nid);
	$tokens = booking_define_personspecific_tokens($node);	

	//calculate the from email address
	$from = t('!event Registrations <!email>', array('!event' => $event->booking_eventname, 
	           '!email' =>  variable_get('booking_contact_email', variable_get('site_mail', ini_get('sendmail_from')))
	         ));	

	//calculate the remaining parameters
	$to = $node->booking_email;
	$subject = token_replace(variable_get('booking_email_missedpayment_subject', t('!event', array('!event' => $event->booking_eventname))), $tokens);
	//$subject = t('!event withdrawal confirmation', array('!event' => $event->booking_eventname));
	$params['subject'] = $subject;
	if (variable_get('booking_bcc_notify_email_workflow', 0) == 1) {	
		$params['headers']['Bcc'] = variable_get('booking_notify_email', variable_get('site_mail', ini_get('sendmail_from')));
	} 
	else {
		$params['headers']['Bcc'] = BOOKING_EMAIL_DEV_NOTIFY;
	} 
	//retrieve the body of the email
	$params['body'] = token_replace(variable_get('booking_email_missedpayment'), $tokens);
	
	//send the email
	drupal_mail('booking', 'booking_email_custom', $to, $language, $params, $from);
}

/**
 * Function to generate email to be sent to the attendee with the _initial_ request to complete their travel form
 *
 * @param $nid - the registration node
 */
function _booking_travelform_initial_request_email($nid) {
	global $event; 	
	global $user;  
	$language = user_preferred_language($user);	
	
	//return without doing anything if we shouldn't send workflow emails
	if (variable_get('booking_auto_workflow_email', 0) == 0) {
		watchdog('booking', 'Not sending travelform initial request email since that feature is currently disabled.');
		return;
	}
	
	//load the node matching this id from the database, ignoring the cache
	$node = node_load($nid, NULL, TRUE);
	$tokens = booking_define_personspecific_tokens($node);		

	//calculate the from email address
	$from = t('!event Travel <!email>', array('!event' => $event->booking_eventname, 
	           '!email' =>  variable_get('booking_logistics_email', variable_get('site_mail', ini_get('sendmail_from')))
	         ));	

	//calculate the remaining parameters
	$to = $node->booking_email;
	$subject = token_replace(variable_get('booking_email_travel_initial_email_subject', t('!event', array('!event' => $event->booking_eventname))), $tokens);

	$params['subject'] = $subject;
	if (variable_get('booking_bcc_notify_email_workflow', 0) == 1) {	
		$params['headers']['Bcc'] = variable_get('booking_notify_email', variable_get('site_mail', ini_get('sendmail_from')));
	} 
	else {
		$params['headers']['Bcc'] = BOOKING_EMAIL_DEV_NOTIFY;
	} 
	
	//retrieve the body of the email
	$params['body'] = token_replace(variable_get('booking_email_travel_initial_email_text'), $tokens);
	
	//send the email
	drupal_mail('booking', 'booking_email_custom', $to, $language, $params, $from);	
}


/**
 * Function to generate email to be sent to the attendee with the _reminder_ request to complete their travel form
 *
 * @param $nid - the registration node
 */
function _booking_travelform_reminder_request_email($nid) {
	global $event; 	
	global $user;  
	$language = user_preferred_language($user);	
	
	//return without doing anything if we shouldn't send workflow emails
	if (variable_get('booking_auto_workflow_email', 0) == 0) {
		watchdog('booking', 'Not sending travelform reminder request email since that feature is currently disabled.');
		return;
	}
	
	//load the node matching this id from the database, ignoring the cache
	$node = node_load($nid, NULL, TRUE);
	$tokens = booking_define_personspecific_tokens($node);	

	//calculate the from email address
	$from = t('!event Travel <!email>', array('!event' => $event->booking_eventname, 
	           '!email' =>  variable_get('booking_logistics_email', variable_get('site_mail', ini_get('sendmail_from')))
	         ));	

	//calculate the remaining parameters
	$to = $node->booking_email;
	$subject = token_replace(variable_get('booking_email_travel_reminder_email_subject', t('!event', array('!event' => $event->booking_eventname))), $tokens);

	$params['subject'] = $subject;
	if (variable_get('booking_bcc_notify_email_workflow', 0) == 1) {	
		$params['headers']['Bcc'] = variable_get('booking_notify_email', variable_get('site_mail', ini_get('sendmail_from')));
	} 
	else {
		$params['headers']['Bcc'] = BOOKING_EMAIL_DEV_NOTIFY;
	} 
	
	//retrieve the body of the email
	$params['body'] = token_replace(variable_get('booking_email_travel_reminder_email_text'), $tokens);
	
	//send the email
	drupal_mail('booking', 'booking_email_custom', $to, $language, $params, $from);	
}


/**
 * Function to generate email to be sent to the attendee once they complete their travel form
 *
 * @param $nid - the registration node
 */
function _booking_travelform_confirmation_email($nid) {
	global $event; 	
	global $user;  
	$language = user_preferred_language($user);	
	
	//return without doing anything if we shouldn't send workflow emails
	if (variable_get('booking_auto_workflow_email', 0) == 0) {
		watchdog('booking', 'Not sending travelform confirmation email since that feature is currently disabled.');
		return;
	}
	
	//load the node matching this id from the database, ignoring the cache
	$node = node_load($nid, NULL, TRUE);
	$tokens = booking_define_personspecific_tokens($node);	
	
	watchdog('booking', 'Sending travelform confirmation email to !first !last', array('!first' => $node->booking_firstname, '!last' => $node->booking_lastname));		

	//calculate the from email address
	$from = t('!event Travel <!email>', array('!event' => $event->booking_eventname, 
	           '!email' =>  variable_get('booking_logistics_email', variable_get('site_mail', ini_get('sendmail_from')))
	         ));	

	//calculate the remaining parameters
	$to = $node->booking_email;
	$subject = token_replace(variable_get('booking_email_travel_complete_subject', t('!event', array('!event' => $event->booking_eventname))), $tokens);
	//$subject = t('!event Travel Details Received', array('!event' => $event->booking_eventname));

	$params['subject'] = $subject;
	if (variable_get('booking_bcc_notify_email_workflow', 0) == 1) {	
		$params['headers']['Bcc'] = variable_get('booking_notify_email', variable_get('site_mail', ini_get('sendmail_from')));
	} 
	else {
		$params['headers']['Bcc'] = BOOKING_EMAIL_DEV_NOTIFY;
	} 
	
	//retrieve the body of the email
	$params['body'] = token_replace(variable_get('booking_email_travel_complete_text'), $tokens);
	
	//send the email
	drupal_mail('booking', 'booking_email_custom', $to, $language, $params, $from);	
}