<?php include('_mod_security.php'); ?>
<?php
	$ar_rsvp_status = ['rsvp', 'attended', 'conf', 'cancel', 'wait'];
	switch ($_GET['func']) :
		case 'load_email_guests' :	
			//var_dump($_GET);
			$event_id = nz($_GET['event_id'], '0');
			$venue = nz($_GET['venue'], '0');
			if ($venue != '1' && $venue != '2') :
				echo 'Venue invalid!';
				return;
			endif;
			if (!in_array($_GET['rsvp_status'], $ar_rsvp_status)) :
				echo 'RSVP Status invalid!';
				return;
			endif;
			$rsvp_status = $_GET['rsvp_status'];
			$sql_concierges = "SELECT DISTINCT c.concierge_id AS id, c.first_name, c.last_name, 'concierge' AS guest_type, h.hotel_name AS org FROM concierges c ".
				"INNER JOIN events_concierges ec ON (c.concierge_id = ec.concierge_id) ".
				"INNER JOIN hotels h ON (c.hotel_id = h.hotel_id) ".
				"WHERE ec.event_id = " . $event_id . " AND ec." . $rsvp_status . "_" . $venue . " = 1 AND c.status = 1 ".
				"AND (c.primary_email > ' ' OR c.secondary_email > ' ') ORDER BY c.first_name, c.last_name, h.hotel_name";
			$sql_guests = "SELECT DISTINCT g.guest_id AS id, g.first_name, g.last_name, 'guest' AS guest_type, g.company AS org FROM guests g ".
				"INNER JOIN events_guests eg ON (g.guest_id = eg.guest_id) ".
				"WHERE eg.event_id = " . $event_id . " AND eg." . $rsvp_status . "_" . $venue . " = 1 AND g.active = 1 ".
				"AND g.email > ' ' ORDER BY g.first_name, g.last_name, g.company";
			if ($_GET['guest_type'] == 'concierges') :
				$sql = $sql_concierges;
			elseif ($_GET['guest_type'] == 'guests') :
				$sql = $sql_guests;
			elseif ($_GET['guest_type'] == 'both') :
				$sql = '(' . $sql_concierges . ') UNION (' . $sql_guests . ')';
			else :
				echo 'Email Type invalid!';
				return;
			endif;
			//echo $sql.'=====';
			$result = $db->query($sql) or die('Database Error!');
			if ($result->rowCount() > 0) :
				$ar_guest_sel = [];
				while ($row = $result->fetch(PDO::FETCH_OBJ)) :
					$guest_text = $row->first_name . ' ' . $row->last_name . ' - ' . $row->org . ' - ' . $row->guest_type;
					$ar_guest_sel[$row->id . '-' . $row->guest_type] = $guest_text;
				endwhile;
				form_field(['fname'=>'email_specific_id_list', 'ftype'=>'checkgroup', 'fsize'=>10, 'frequired'=>false, 'fdbname'=>'', 'ar_group'=>$ar_guest_sel, 'flabel'=>'Specific Recipient Selection', 'fstyle'=>'max-height: 300px; overflow-y: auto;']);
			else :
				echo 'No data for selection!';
			endif;
			break;
		case 'get_job_status' :
			if (isset($_SESSION['batch_email']) && $_SESSION['batch_email']['processing'] === true) :
				echo json_encode([
					'status' => 'inprogress',
					'current_rec' => $_SESSION['batch_email']['current_rec'],
					'total_recs' => $_SESSION['batch_email']['total_recs'],
					'html' => $_SESSION['batch_email']['html'],
				]);
			elseif (isset($_SESSION['batch_email']) && $_SESSION['batch_email']['cancel'] === true) :
				echo json_encode([
					'status' => 'cancel',
					'current_rec' => $_SESSION['batch_email']['current_rec'],
					'total_recs' => $_SESSION['batch_email']['total_recs'],
					'html' => $_SESSION['batch_email']['html'],
				]);
				unset($_SESSION['batch_email']);
			else :
				echo json_encode([
					'status' => 'completed',
					'current_rec' => $_SESSION['batch_email']['current_rec'],
					'total_recs' => $_SESSION['batch_email']['total_recs'],
					'html' => $_SESSION['batch_email']['html'],
				]);
				unset($_SESSION['batch_email']);
			endif;
			//var_dump($_GET);
			break;
		case 'cancel_job' :
			if (isset($_SESSION['batch_email']) && $_SESSION['batch_email']['processing'] === true) :
				$_SESSION['batch_email']['cancel'] = true;
				$_SESSION['batch_email']['processing'] = false;
			endif;
			break;
		case 'send_email' :	
			$event_id = nz($_POST['event_id'], '0');
			$survey_id = nz($_POST['survey_id'], '0');
			$batch_type = $_GET['batch_type'];
			$venue = nz($_POST['venue'], '0');
			if ($venue != '1' && $venue != '2') :
				echo 'Venue invalid!';
				return;
			endif;
			if (!in_array($_POST['rsvp_status'], $ar_rsvp_status)) :
				echo 'RSVP Status invalid!';
				return;
			endif;
			$rsvp_status = $_POST['rsvp_status'];
			$id_list_concierges = '';
			$id_list_guests = '';
			$ar_id_list_concierges = [];
			$ar_id_list_guests = [];
			$nonresponder_join_concierge = '';
			$nonresponder_join_guest = '';
			if ($_POST['email_selection'] == 'specific') :
				foreach ($_POST['email_specific_id_list'] as $value) :
					$ar_id = explode('-', $value);
					if ($ar_id[1] == 'concierge') :
						$ar_id_list_concierges[] = $ar_id[0];
					elseif ($ar_id[1] == 'guest') :
						$ar_id_list_guests[] = $ar_id[0];
					endif;
				endforeach;
				$id_list_concierges = implode(',', $ar_id_list_concierges);
				if (empty($id_list_concierges)) :
					$id_list_concierges = '0';
				endif;
				$id_list_guests = implode(',', $ar_id_list_guests);
				if (empty($id_list_guests)) :
					$id_list_guests = '0';
				endif;
				$id_list_concierges = ' AND c.concierge_id IN ('.$id_list_concierges.') ';
				$id_list_guests = ' AND g.guest_id IN ('.$id_list_guests.') ';
			endif;
			if ($_POST['email_selection'] == 'nonresponders') :
				$nonresponder_join_concierge = " LEFT JOIN surveys_responders sr ON (sr.concierge_id = c.concierge_id AND sr.survey_id = {$survey_id}) ";
				$nonresponder_where_concierge = " AND sr.responded_date IS NULL ";
				$nonresponder_join_guest = " LEFT JOIN surveys_responders sr ON (sr.guest_id = g.guest_id AND sr.survey_id = {$survey_id}) ";
				$nonresponder_where_guest = " AND sr.responded_date IS NULL ";
			endif;
			$sql_concierges = "SELECT DISTINCT c.concierge_id AS id, c.first_name, c.last_name, h.hotel_name AS org, 'concierge' AS guest_type, ".
				"e.event_name, e.event_date_time, e.venue_1_address, ".
				" (CASE WHEN c.primary_email > ' ' THEN c.primary_email ELSE c.secondary_email END) AS email FROM concierges c ".
				"INNER JOIN events_concierges ec ON (c.concierge_id = ec.concierge_id) ".
				"INNER JOIN events e ON (e.event_id = ec.event_id) ".
				"INNER JOIN hotels h ON (c.hotel_id = h.hotel_id) ".
				$nonresponder_join_concierge .
				"WHERE ec.event_id = " . $event_id . " AND ec." . $rsvp_status . "_" . $venue . " = 1 AND c.status = 1 ".
				"AND (c.primary_email > ' ' OR c.secondary_email > ' ') ".$id_list_concierges.$nonresponder_where_concierge." ORDER BY c.first_name, c.last_name, h.hotel_name";
			$sql_guests = "SELECT DISTINCT g.guest_id AS id, g.first_name, g.last_name, g.company AS org, 'guest' AS guest_type, ".
				"e.event_name, e.event_date_time, e.venue_1_address, g.email FROM guests g ".
				"INNER JOIN events_guests eg ON (g.guest_id = eg.guest_id) ".
				"INNER JOIN events e ON (e.event_id = eg.event_id) ".
				$nonresponder_join_guest .
				"WHERE eg.event_id = " . $event_id . " AND eg." . $rsvp_status . "_" . $venue . " = 1 AND g.active = 1 ".
				"AND g.email > ' ' ".$id_list_guests.$nonresponder_where_guest." ORDER BY g.first_name, g.last_name, g.company";
			if ($_POST['guest_type'] == 'concierges') :
				$sql = $sql_concierges;
			elseif ($_POST['guest_type'] == 'guests') :
				$sql = $sql_guests;
			elseif ($_POST['guest_type'] == 'both') :
				$sql = '(' . $sql_concierges . ') UNION (' . $sql_guests . ')';
			else :
				echo 'Email Type invalid!';
				return;
			endif;
			$result = $db->query($sql);
			$row_count = $result->rowCount();
			$count = 0;
			$count_ok = 0;
			$count_err = 0;
			$html = '';
			if ($row_count > 0) :
				if ($_GET['action'] == 'send') :
					$_SESSION['batch_email'] = [];
					$_SESSION['batch_email']['processing'] = true;
					$_SESSION['batch_email']['total_recs'] = $row_count;
					set_time_limit(900);
				elseif ($_GET['action'] == 'preview') :
					$html .= '<p>'.$row_count.' emails selected for processing.</p>';
					$html .= '<hr style="color:#262626; background-color:#262626; height:3px;" />';
				endif;
				$i = 0;
				$ar_placeholders = [];
				while ($i < $result->columnCount()) :
					$meta = $result->getColumnMeta($i);
					if ($meta) :
						$ar_placeholders[] = strtolower($meta['name']);
					endif;
					$i++;
				endwhile;
				$ar_placeholders[] = 'ical_link';
				$ar_placeholders[] = 'event_date';
				$ar_placeholders[] = 'event_time';
				$ar_placeholders[] = 'survey_link';
				$ar_placeholders[] = '/survey_link';
				while ($row = $result->fetch(PDO::FETCH_OBJ)) :
					$count++;
					$email_body = $_POST['batch_email_html'];
					$email_subject = $_POST['batch_email_subject'];
					$hash_key = '';
					if ($batch_type == 'survey' && !empty($survey_id)) :
						$hash_key = hash('sha512', $row->guest_type . $row->id . $event_id . $survey_id);
					endif;
					foreach ($ar_placeholders as $key) :
						switch ($key) :
							case 'ical_link' :
								$start_date = date_create($row->event_date_time);
								$end_date = date_create($row->event_date_time);
								date_add($end_date, date_interval_create_from_date_string('3 hours'));
								$start_date->setTimezone(new DateTimeZone('UTC'));
								$end_date->setTimezone(new DateTimeZone('UTC'));
								$event_duration = '0300';
								$event_name = $row->event_name;
								$event_desc = $row->event_name . ' - ' . $row->event_venue_1 . ' - ' .$row->event_venue_2;
								$event_location = $row->venue_1_address;
								$value = '<b>Add to calendar:</b><br>';
								$value .= '<a target="_blank" href="https://www.google.com/calendar/render?action=TEMPLATE'.
									'&text='.urlencode($event_name).
									'&dates='.$start_date->format('Ymd\THis\Z').'/'.$end_date->format('Ymd\THis\Z').
									'&details='.urlencode($event_desc).
									'&location='.urlencode($event_location).
									'&sprop=&sprop=name:">Add to Google Calendar</a><br>';
								$value .= '<a target="_blank" href="http://calendar.yahoo.com/?v=60&view=d&type=20'.
									'&title='.urlencode($event_name).
									'&st='.$start_date->format('Ymd\THis\Z').'&dur='.$event_duration.
									'&desc='.urlencode($event_desc).
									'&in_loc='.urlencode($event_location).
									'">Add to Yahoo Calendar</a><br>';
								$value .= '<a href="'.APP_BASE_SECURE.'ajax.php?call=_file_download&event_id='.$event_id.'&type=batch_email_ical">Add to Outlook Calendar</a><br>';
								$value .= '<a href="'.APP_BASE_SECURE.'ajax.php?call=_file_download&event_id='.$event_id.'&type=batch_email_ical">Add to iCal Calendar</a><br>';
								break;
							case 'event_date' :
								$value = nzdate_display($row->event_date_time);
								break;
							case 'event_time' :
								$value = nztime_display($row->event_date_time);
								break;
							case 'survey_link' :
								$value = '<a href="'.APP_BASE_SECURE.'survey.php?key='.$hash_key.'">';
								break;
							case '/survey_link' :
								$value = '</a>';
								break;
							default :
								$value = $row->{$key};
						endswitch;
						$email_body = str_replace('['.$key.']', $value, $email_body);
						//$email_body = str_replace('['.$key.']', htmlentities($value), $email_body);
						//$email_subject = str_replace('['.$key.']', htmlentities($value), $email_subject);
					endforeach;
					if ($batch_type == 'survey') :
						if (empty(lookup_db_field('surveys_responders', 'hash_key', $hash_key, 'hash_key'))) :
							$sql = "
								INSERT INTO surveys_responders
								SET
									survey_id = {$survey_id}
									,responder_type = " . $db->quote($row->guest_type) . " 
									,concierge_id = " . ($row->guest_type == 'concierge' ? $row->id : 'NULL') . "
									,guest_id = " . ($row->guest_type == 'guest' ? $row->id : 'NULL') . "
									,hash_key = " . $db->quote($hash_key) . "
							";
							$db->query($sql) or die('Database Error!');
						endif;
					endif;
					if ($_GET['action'] == 'preview') :
						$html .= '<p>';
						$html .= '<b>FROM:</b> '.$_POST['batch_email_reply_name'].' &lt;'.$_POST['batch_email_reply_address'].'&gt;<br />';
						$html .= '<b>TO:</b> '.$row->email.'<br />';
						$html .= '<b>CC:</b> '.$_POST['batch_email_cc'].'<br />';
						$html .= '<b>BCC:</b> '.$_POST['batch_email_bcc'].'<br />';
						$html .= '<b>SUBJECT:</b> '.$email_subject.'<br />';
						if (!empty($_POST['batch_email_attachment_1_filename'])) :
							$html .= '<b>ATTACHMENT 1:</b> <a href="ajax.php?call=_file_download&event_id='.$event_id.'&type=batch_email_attachment&ordinal=1" >'.$_POST['batch_email_attachment_1_filename'].'</a><br />';
						endif;
						if (!empty($_POST['batch_email_attachment_2_filename'])) :
							$html .= '<b>ATTACHMENT 2:</b> <a href="ajax.php?call=_file_download&event_id='.$event_id.'&type=batch_email_attachment&ordinal=2" >'.$_POST['batch_email_attachment_2_filename'].'</a><br />';
						endif;
						$html .= '</p>';
						$html .= '<p style="font-family:Arial, Helvetica, sans-serif; font-size:14px;">';
						$html .= $email_body;
						$html .= '</p>';
						$html .= '<hr style="color:#262626; background-color:#262626; height:3px;" />';
					elseif ($_GET['action'] == 'send') :
						$attachments = [];
						$uploaddir = APP_UPLOAD_DIR.'/eventdocs/batch_email_attachments/'.str_pad($event_id, 10, '0', STR_PAD_LEFT);
						if (!empty($_POST['batch_email_attachment_1_filename'])) :
							$attachments[] = $uploaddir . '/' . $_POST['batch_email_attachment_1_filename'];
						endif;
						if (!empty($_POST['batch_email_attachment_2_filename'])) :
							$attachments[] = $uploaddir . '/' . $_POST['batch_email_attachment_2_filename'];
						endif;
						if (send_mail($email_subject, $row->email, $_POST['batch_email_cc'], $_POST['batch_email_bcc'], $email_body, $attachments, [], $_POST['batch_email_reply_address'], $_POST['batch_email_reply_name'], $_POST['batch_email_reply_address'])) :
							$count_ok++;
							$html .= '<p>Message has been sent to '.$row->email.'</p>';
							if ($batch_type == 'survey') :
								if (!empty(lookup_db_field('surveys_responders', 'hash_key', $hash_key, 'hash_key'))) :
									$sql = "
										UPDATE surveys_responders
										SET
											sent_date = NOW()
										WHERE
											hash_key = {$db->quote($hash_key)}
									";
									$db->query($sql) or die('Database Error!');
								endif;
							endif;
						else :
							$count_err++;
							$html .= '<p>Error sending mail to '.$row->email.' - '.$mail->ErrorInfo.'</p>';
						endif;
						$_SESSION['batch_email']['current_rec'] = $count;
						session_write_close();
						sleep(1);
						session_start();
						if ($_SESSION['batch_email']['cancel'] === true) :
							break;
						endif;
					endif;
				endwhile;
				if ($_GET['action'] == 'send') :
					if ($batch_type == 'survey') :
						$sql = "
							UPDATE surveys
							SET
								send_date = NOW()
							WHERE
								id = {$survey_id}
						";
						$db->query($sql) or die('Database Error!');
					endif;
					$html = '<p>Sent successfully: '.$count_ok.'</p>'.
							'<p>Errors: '.$count_err.'</p>'.
							$html;
				endif;
				if ($_GET['action'] == 'send') :
					$_SESSION['batch_email']['html'] = $html;
					$_SESSION['batch_email']['processing'] = false;
					session_write_close();
				else :
					echo $html;
				endif;
			else :
				$html .= 'No data for report!';
				echo $html;
			endif;
			//$html .= 'dimension x: '.$page_dimension_x.' y: '.$page_dimension_y.' orientation: '.$orientation;
			break;
	endswitch;