<?php
	use classes\lib\EmailEngine;

	include('_mod_security.php');

	form_prep('frm_email_template', 'basic_info');
	if ($_POST['ajax_event_submitted'] == '1') :
		$config = HTMLPurifier_Config::createDefault();
		$purifier = new HTMLPurifier($config);
		$_POST['html'] = $purifier->purify($_POST['html']);
		form_prep_submit();
		form_validate_all();
		if (isset($_FILES['attachment_1']) && !empty($_FILES['attachment_1']['name'])) :
			$allowed_ext = ['pdf', 'png', 'jpg', 'jpeg', 'gif', 'bmp', 'doc', 'docx', 'ics', 'ical', 'txt'];
			$ext = pathinfo(strtolower($_FILES['attachment_1']['name']), PATHINFO_EXTENSION);
			//var_dump($_FILES);
			if (!in_array($ext, $allowed_ext)) :
				$ar_err['attachment_1'] = 'File type "'.$ext.'" not allowed!';
				$err_tab = 'basic_info';
				$err_flag = true;
			endif;
		endif;
		if (isset($_FILES['attachment_2']) && !empty($_FILES['attachment_2']['name'])) :
			$allowed_ext = ['pdf', 'png', 'jpg', 'jpeg', 'gif', 'bmp', 'doc', 'docx', 'ics', 'ical', 'txt'];
			$ext = pathinfo(strtolower($_FILES['attachment_2']['name']), PATHINFO_EXTENSION);
			//var_dump($_FILES);
			if (!in_array($ext, $allowed_ext)) :
				$ar_err['attachment_2'] = 'File type "'.$ext.'" not allowed!';
				$err_tab = 'basic_info';
				$err_flag = true;
			endif;
		endif;
		if (!$err_flag) :
			try {
				$db->beginTransaction();
				$set = sql_set_update() . form_generate_set();
				if ($action == 'Edit') :
					$template_id = nz(trim($_REQUEST['id']), '0');
				else :
					$template_id = next_id('email_templates');
				endif;
				//************** Attachments ****************
				if (isset($_FILES['attachment_1']) && !empty($_FILES['attachment_1']['name'])) :
					$upload_file_name_1 = str_replace(' ','_',basename($_FILES['attachment_1']['name']));
					$upload_file_name_1 = preg_replace('/[^0-9a-z\.\_\-]/i','',$upload_file_name_1);
					$_POST['attachment_1_filename'] = $upload_file_name_1;
					$uploaddir = APP_UPLOAD_DIR.'/batch_email_attachments/'.str_pad($template_id, 10, '0', STR_PAD_LEFT);
					if (!is_dir($uploaddir)) :
						mkdir($uploaddir, 0777, true);
					endif;
				else :
					$upload_file_name_1 = $_POST['attachment_1_filename'];
				endif;
				if (isset($_FILES['attachment_2']) && !empty($_FILES['attachment_2']['name'])) :
					$upload_file_name_2 = str_replace(' ','_',basename($_FILES['attachment_2']['name']));
					$upload_file_name_2 = preg_replace('/[^0-9a-z\.\_\-]/i','',$upload_file_name_2);
					$_POST['attachment_2_filename'] = $upload_file_name_2;
					$uploaddir = APP_UPLOAD_DIR.'/batch_email_attachments/'.str_pad($template_id, 10, '0', STR_PAD_LEFT);
					if (!is_dir($uploaddir)) :
						mkdir($uploaddir, 0777, true);
					endif;
				else :
					$upload_file_name_2 = $_POST['attachment_2_filename'];
				endif;
				$set = "attachment_1 = ".$db->quote($upload_file_name_1).", " . $set;
				$set = "attachment_2 = ".$db->quote($upload_file_name_2).", " . $set;
				//********************************************
				if ($action == 'Edit') :
					$sql = "UPDATE email_templates set " . $set .
						"WHERE id = ".nz(trim($_REQUEST['id']), '0')." ";
					$db->query($sql) or die('Database Error!');
					post_set_update();
				else :
					if ($action == 'Add New') :
						$sql = "INSERT INTO email_templates SET ".
							sql_set_create().
							$set;
						$db->query($sql) or die('Database Error!');
						$_REQUEST['id'] = last_id();
						$_POST['id'] = $_REQUEST['id'];
						post_set_create_update();
					endif;
				endif;
				//********* clean up existing files for this event **********
				if (isset($_FILES['attachment_1']) && !empty($_FILES['attachment_1']['name']) &&
					isset($_FILES['attachment_2']) && !empty($_FILES['attachment_2']['name'])) :
					$files = glob($uploaddir.'/*');
					foreach ($files as $file) :
						if (is_file($file)) :
							unlink($file);
						endif;
					endforeach;
				endif;
				//************** store file upload 1 ***************
				if (isset($_FILES['attachment_1']) && !empty($_FILES['attachment_1']['name'])) :
					$uploadfile = $uploaddir.'/'.$upload_file_name_1;
					if (!move_uploaded_file($_FILES['attachment_1']['tmp_name'], $uploadfile)) :
						$ar_err['attachment_1'] = 'Failed to upload file!';
						throw new Exception('Failed to upload file.');
					endif;
				endif;
				$_POST['attachment_1_filename'] = $upload_file_name_1;
				//************** store file upload 2 ***************
				if (isset($_FILES['attachment_2']) && !empty($_FILES['attachment_2']['name'])) :
					$uploadfile = $uploaddir.'/'.$upload_file_name_2;
					if (!move_uploaded_file($_FILES['attachment_2']['tmp_name'], $uploadfile)) :
						$ar_err['attachment_2'] = 'Failed to upload file!';
						throw new Exception('Failed to upload file.');
					endif;
				endif;
				$_POST['attachment_2_filename'] = $upload_file_name_2;
				//************************************************
				$db->commit();
			} catch(Exception $e) {
				db_err_rollback($e);
			}
			$form_message = "Saved sucessfully!";
			form_uid_reset();
			if ($_POST['xsubmit'] == 'Save & Close') :
				echo "<SCRIPT>";
				echo "appstack_pop()";
				echo "</SCRIPT>";
			endif;
			if ($_POST['xsubmit'] == 'Save & New') :
				echo "<SCRIPT>";
				echo "window.location.href = 'index.php?IX=email_template_form&ref=".urlencode($_REQUEST['ref'])."'";
				echo "</SCRIPT>";
			endif;
			if ($_POST['xsubmit'] == 'Copy') :
				$copied_template_id = EmailEngine::copy_template(nz(trim($_REQUEST['id']), '0'));
				echo "<SCRIPT>";
				echo "window.location.href = 'index.php?IX=email_template_form&id=".$copied_template_id."'";
				echo "</SCRIPT>";
			endif;
			if ($_POST['xsubmit'] == 'Preview') :
				echo "<SCRIPT>";
				echo '$(document).ready(function() {';
				echo "process_email('preview');";
				echo '});';
				echo "</SCRIPT>";
				$active_tab = 'preview';
				$email_function = 'preview';
			endif;
			if ($_POST['xsubmit'] == 'Send') :
				echo "<SCRIPT>";
				echo '$(document).ready(function() {';
				echo "process_email('send');";
				echo '});';
				echo "</SCRIPT>";
				$active_tab = 'job_status';
				$email_function = 'send';
			endif;
		else :
			$active_tab = $err_tab;
			$form_message = "Errors found!";
		endif;
	else:
		if ($action == 'Edit') :
			$sql = "SELECT * FROM email_templates WHERE id = ".nz(trim($_REQUEST['id']), '0')." ";
			if (!get_row_to_post($sql)) :
				echo form_fatal_error('Invalid Operation!');
				return;
			endif;
			$_POST['attachment_1_filename'] = $row['attachment_1'];
			$_POST['attachment_2_filename'] = $row['attachment_2'];
		else :
		endif;
	endif;
	
?>

<style>
	#db_grid_contacts div.lcs_dbg_wrapper div.lcs_dbg_data_section {
		max-height: 200px !important;
	}
</style>

<script>
	var active_page = '<?php echo $_REQUEST['IX']; ?>';
	var active_tab = '';
	var ar_selected_contacts = <?php echo json_encode(array_keys($_POST['contact_selected'] ?? [])); ?>;
	var db_grid_contacts_reload_finished = false;

	update_header = function() {
		if ($("#description").val() > "" ) {
			$("#header_repeater").text(" - " + $("#description").val());
		}
	}

	function click_email_selection(elem, ix) {
		if ($(elem).prop('checked')) {
			ar_selected_contacts.push(ix);
		} else {
			const index = ar_selected_contacts.indexOf(ix);
			if (index > -1) {
				ar_selected_contacts.splice(index, 1);
			}
		}
	}
	
	function set_email_selection(sel) {
		if (sel == 'all') {
			$('#email_contact_selection').hide();
		} else {
			$('#email_contact_selection').show();
		}
	}

	function set_email_selection_checked() {
		//console.log(ar_selected_contacts);
		ar_selected_contacts.forEach(function(item, index) {
			//console.log('item: ' + item + ', index: ' + index);
			$('#contact_selected_' + item).prop('checked', true);
		});
		db_grid_contacts_reload_finished = true;
	}

	function contact_selection_show_selected() {
		db_grid_contacts_reload_finished = false;
		window['db_grid_contacts' + "_search_str"] = '';
		$('#db_grid_contacts_strSearch').val('');
		lcs_db_grid_reload('db_grid_contacts');
		when(function() {
			if (db_grid_contacts_reload_finished) {
				return true;
			} else {
				return false;
			}
		},
		function(){
			$('input.contact_selected:checkbox:not(:checked)').each(function() {
				$(this).parent().parent().parent().hide();
			});
		});
	}

	function contact_selection_show_all() {
		db_grid_contacts_reload_finished = false;
		window['db_grid_contacts' + "_search_str"] = '';
		$('#db_grid_contacts_strSearch').val('');
		lcs_db_grid_reload('db_grid_contacts');
		when(function() {
			if (db_grid_contacts_reload_finished) {
				return true;
			} else {
				return false;
			}
		},
		function(){
			$('input.contact_selected:checkbox').each(function() {
				$(this).parent().parent().parent().show();
			});
		});
	}

	function contact_selection_clear_all() {
		$('input.contact_selected:checkbox:checked').removeAttr('checked');
		ar_selected_contacts = [];
		contact_selection_show_all();
	}
	
	function batch_finished(html) {
		$('#job_status').append(html);
	}
	
	function process_email(action) {
		$.ajax({
			url: 'ajax.php?call=batch_email_ajax&func=send_email&action=' + action,
			method: 'POST',
			data: <?php echo json_encode($_POST); ?>,
			dataType: 'text',
			success: function(data) {
				if (action == 'preview') {
					batch_finished(data);
				}
			},
			error: function (request, status, error) {
				if (error > ' ') {
					alert('Error! ' + error);
				}
			},
		});
	}

	function confirm_cancel(id) {
		var answer = confirm('Are you sure?');
		if (answer == true) {
			$.ajax({
				url: 'ajax.php?call=email_template_jobs_ajax&func=cancel_job&id=' + id,
				data: '',
				dataType: 'json',
				success: function(json) {
					if (json.result == 'Success') {
						$('#' + prefix + 'cancel_' + item.id).text('Requested');
					}
				},
				error: function (request, status, error) {
					alert('Error! ' + error);
				},
			});
		}
	}

	function show_job_output(id) {
		$.ajax({
			url: 'ajax.php?call=email_template_jobs_ajax&func=get_output&id=' + id,
			data: '',
			dataType: 'json',
			success: function(json) {
				if (json.result == 'Success') {
					$('#grid_popup_contents').html(json.html);
					$('#grid_popup').show();
				}
			},
			error: function (request, status, error) {
				alert('Error! ' + error);
			},
		});
	}

	function hide_output_details() {
		$('div.grid_popup').hide();
	}

	function update_running_jobs() {
		if ($('#tab_content_job_status').is(':visible')) {
			const prefix = 'db_grid_jobs_cell_';
			$.ajax({
				url: 'ajax.php?call=email_template_jobs_ajax&func=get_job_status&id=<?=nz($_REQUEST['id'], '0');?>',
				data: '',
				dataType: 'json',
				success: function(json) {
					if (json.result == 'Success') {
						json.data.map(function(item) {
							$('#' + prefix + 'status_' + item.id).text(item.status);
							$('#' + prefix + 'end_time_' + item.id).text(item.end_time);
							$('#' + prefix + 'processed_recs_' + item.id).text(item.processed_recs);
							$('#' + prefix + 'total_recs_' + item.id).text(item.total_recs);
							$('#' + prefix + 'percent_' + item.id).text(item.percent_complete);
							$('#' + prefix + 'output_' + item.id + ' a').first().text(item.output);
							if (item.status != 'running') {
								$('#' + prefix + 'cancel_' + item.id).text('');
							}
						});
					}
				},
				error: function (request, status, error) {
					alert('Error! ' + error);
				},
			});
		}
	}
	
	$(document).ready(function() {
		switch_tab('<?php echo $active_tab; ?>');
		update_header();
		//$(':input:not(.search)').change(function() {sheet_dirty = true; } );
		$(':input:not(.search, .no_dirty, .no_dirty input)').change(function() {sheet_dirty = true; } );
		set_email_selection($('input:radio[name=email_selection]:checked').val());
		setInterval(function() {
			if ($('#tab_content_job_status').is(':visible')) {
				lcs_db_load('db_grid_jobs', 'email_template_jobs_ajax', 'grid', '', db_grid_jobs_sort_col, db_grid_jobs_sort_order, $('#db_grid_jobs_strSearch').val(), db_grid_jobs_parm1, db_grid_jobs_parm2, db_grid_jobs_parm3, db_grid_jobs_filter_cols, db_grid_jobs_multi_filter);
			}
		}, 60000);
		setInterval(function() {
			update_running_jobs();
		}, 2000);
		editor = $('#html').trumbowyg({
			removeformatPasted: true,
			btns: ['fontfamily'],
			btns: [
				['viewHTML'],
				['undo', 'redo'], // Only supported in Blink browsers
				['formatting'],
				['strong', 'em', 'del'],
				['superscript', 'subscript'],
				['link'],
				['insertImage'],
				['justifyLeft', 'justifyCenter', 'justifyRight', 'justifyFull'],
				['unorderedList', 'orderedList'],
				['horizontalRule'],
				['removeformat'],
				['fullscreen'],
				['fontfamily'],
				['table'],
				['tableCellBackgroundColor', 'tableBorderColor'],
			],
		});
	});
</script>

<h1>Email Template - <?php echo $action; ?><span id="header_repeater"></span></h1>
<?php echo form_message($form_message); ?>

<form name="frm_email_template" id="frm_email_template" enctype="multipart/form-data" method="post" action="">
	<input name="ajax_event_submitted" type="hidden" value="1" />
	<input name="id" type="hidden" value="<?php echo $_REQUEST['id']; ?>" />
	<input name="active_tab" id="active_tab" type="hidden" value="basic_info" />
	<?php
		form_button_strip('top', [
			'save_as' => ['show' => true, 'caption' => 'Copy', 'js' => "sheet_dirty = false; document.getElementById('xsubmit').value = this.value; this.form.submit();"],
			'preview'=>['show'=>true, 'caption'=>'Preview', 'js' => "sheet_dirty = false; document.getElementById('xsubmit').value = this.value; this.form.submit();"],
			'send'=>['show'=>true, 'caption'=>'Send', 'js'=>"sheet_dirty = false; document.getElementById('xsubmit').value = this.value; this.form.submit();"],
		]);
		form_tab_strip_start();
		form_tab_header('basic_info', 'Basic Info', 'admin');
		if (!empty($_REQUEST['id'])) :
			form_tab_header('preview', 'Preview', 'admin');
			form_tab_header('job_status', 'Job Status', 'admin');
		endif;
		form_tab_strip_end();
		//******************************************************************************************
		form_tab_start('basic_info', 'Basic Info');

		form_column_start();
		form_field('id', 'text', 10, 0, false, false, true, '', '', 'id', 'Template ID');
		form_field('description', 'text', 50, 0, true, false, false, '', '', 'description', 'Description', [], '', 'update_header();');
		form_field('subject', 'text', 150, 0, false, false, false, '', '', 'subject', 'Email Subject');
		form_field(['fname'=>'reply_name', 'ftype'=>'text', 'fsize'=>100, 'frequired'=>false, 'fdbname'=>'reply_name', 'flabel'=>'Email Reply To Name']);
		form_field(['fname'=>'reply_address', 'ftype'=>'text', 'datatype'=>'email', 'fsize'=>100, 'frequired'=>false, 'fdbname'=>'reply_address', 'flabel'=>'Email Reply To Address']);
		form_field(['fname'=>'cc', 'ftype'=>'text', 'fsize'=>100, 'frequired'=>false, 'fdbname'=>'cc', 'flabel'=>'Email CC (comma separated)']);
		form_field(['fname'=>'bcc', 'ftype'=>'text', 'fsize'=>100, 'frequired'=>false, 'fdbname'=>'bcc', 'flabel'=>'Email BCC (comma separated)']);
		form_field(['fname'=>'attachment_1', 'ftype'=>'file', 'fsize'=>10, 'frequired'=>false, 'fdbname'=>'attachment_1', 'flabel'=>'Email Attachment 1']);
		if (!empty($_POST['attachment_1_filename'])) :
			echo '<span id="file_attachment_spec">';
			echo '<br /><br /><a href="ajax.php?call=_file_download&id='.$_REQUEST['id'].'&type=batch_email_attachment&ordinal=1" >'.$_POST['attachment_1_filename'].'</a>';
			echo '&emsp;&emsp;<a href="#" onclick="$(\'#attachment_1_filename\').val(\'\'); $(\'#file_attachment_spec\').hide(); return false;">Remove attachment</a><br /><br />';
			echo '</span>';
		endif;
		form_field(['fname'=>'attachment_2', 'ftype'=>'file', 'fsize'=>10, 'frequired'=>false, 'fdbname'=>'attachment_2', 'flabel'=>'Email Attachment 2']);
		if (!empty($_POST['attachment_2_filename'])) :
			echo '<span id="file_attachment2_spec">';
			echo '<br /><br /><a href="ajax.php?call=_file_download&id='.$_REQUEST['id'].'&type=batch_email_attachment&ordinal=2" >'.$_POST['attachment_2_filename'].'</a>';
			echo '&emsp;&emsp;<a href="#" onclick="$(\'#attachment_2_filename\').val(\'\'); $(\'#file_attachment2_spec\').hide(); return false;">Remove attachment</a><br /><br />';
			echo '</span>';
		endif;
		if (empty($_POST['contact_type'])) :
			$_POST['contact_type'] = 1;
		endif;
		form_field(['fname'=>'contact_type', 'ftype'=>'radiogroup', 'frequired'=>false, 'fdbname'=>'', 'flabel'=>'Contact Status', 'ar_group'=>APP_CONTACT_STATUSES]);
		$ar_print_selection = ['all'=>'All emails', 'specific'=>'Specific'];
		if (empty($_POST['email_selection'])) :
			$_POST['email_selection'] = 'all';
		endif;
		form_field(['fname'=>'email_selection', 'ftype'=>'radiogroup', 'fsize'=>10, 'frequired'=>false, 'fdbname'=>'', 'ar_group'=>$ar_print_selection, 'flabel'=>'Email Send Selection', 'fclass'=>'no_dirty', 'onchange'=>'set_email_selection($(this).val());']);
		echo '<div id="email_contact_selection">';
		echo '<label style="margin-top:8px;">Contact Selection</label>';
		db_navigator_bar(array('table_id'=>'db_grid_contacts', 'form'=>'', 'print_section'=>'', 'call'=>'email_template_jobs_ajax', 'sort_col'=>'2', 'sort_order'=>'0', 'subtab'=>'true', 'parm1'=>'', 'func'=>'load_email_contacts', 'btn_addnew'=>'false', 'btn_print'=>'false', 'btn_excel'=>'false', 'btn_pdf'=>'false', 'record_count'=>'false', 'extra_data'=>'false', 'diag'=>'false', 'lazy_callback'=>'function() {set_email_selection_checked();}' ));
		echo '<button onclick="contact_selection_show_selected(); return false;">Show Selected</button>&emsp;';
		echo '<button onclick="contact_selection_show_all(); return false;">Show All</button>&emsp;';
		echo '<button onclick="contact_selection_clear_all(); return false;">Clear All</button><hr style="border-color: lightgray;">';
		echo '</div>';
		form_field(['fname'=>'test_mode', 'ftype'=>'checkbox', 'frequired'=>false, 'fdbname'=>'', 'flabel'=>'Test Mode', 'fclass'=>'no_dirty']);
		form_field(['fname'=>'test_email_address', 'ftype'=>'text', 'fsize'=>'50', 'frequired'=>false, 'fdbname'=>'', 'flabel'=>'Test Email Address', 'fclass'=>'no_dirty']);
		form_field(['fname'=>'test_email_limit', 'ftype'=>'text', 'fsize'=>'4', 'frequired'=>false, 'fdbname'=>'', 'flabel'=>'Test Email Limit', 'fclass'=>'no_dirty']);
		form_column_end();

		form_column_start('max-width:750px;');
		form_field(['fname'=>'placeholder', 'ftype'=>'select', 'fsize'=>25, 'frequired'=>false, 'fdbname'=>'', 'flabel'=>'Placeholder - select to insert into HTML below', 'ar_group'=>EmailEngine::PLACEHOLDERS, 'onchange'=>'insert_text_at_cursor(\'[\' + $(this).val() + \']\', false, \'html\'); return false;']);
		form_field(['fname'=>'html', 'ftype'=>'textarea', 'fsize'=>70, 'frows'=>25, 'frequired'=>false, 'fdbname'=>'html', 'flabel'=>'Default Email HTML (TIP: use SHIFT+ENTER for Carriage Return)']);
		form_column_end();

		form_tab_end();

		if (!empty($_REQUEST['id'])) :
			//******************************************************************************************
			form_tab_start('preview', 'Preview');
			echo '<h2>Email Preview</h2>';
			echo '<div id="job_status"></div>';
			form_tab_end();
			//******************************************************************************************
			form_tab_start('job_status', 'Job Status');
			db_navigator_bar(['table_id' => 'db_grid_jobs', 'form' => '', 'btn_addnew'=>'false', 'print_section' => 'db_grid_jobs', 'call' => 'email_template_jobs_ajax', 'sort_col' => '3', 'sort_order' => '1', 'parm1' => " AND bj.job_type = 'batch_email' AND bj.reference_id = " . nz($_REQUEST['id'], '0') . " ", 'func' => 'grid']);
			form_tab_end();
			?>
			<div id="grid_popup" class="grid_popup" style="padding:18px!important;">
				<div style="position:absolute; right:0; top:0; padding:8px;">
					<a href="javascript:hide_output_details();">X</a>
				</div>
				<b><br>Job Output:</b>&nbsp;&nbsp;&nbsp;<br />
				<div id="grid_popup_contents">
				</div>
			</div>
			<?php
		endif;

		form_button_strip('bottom', [
			'save_as' => ['show' => true, 'caption' => 'Copy', 'js' => "sheet_dirty = false; document.getElementById('xsubmit').value = this.value; this.form.submit();"],
			'preview'=>['show'=>true, 'caption'=>'Preview', 'js' => "sheet_dirty = false; document.getElementById('xsubmit').value = this.value; this.form.submit();"],
			'send'=>['show'=>true, 'caption'=>'Send', 'js'=>"sheet_dirty = false; document.getElementById('xsubmit').value = this.value; this.form.submit();"],
		]);
	?>
</form>

<script src="trumbowyg/dist/trumbowyg.min.js?ver=<?php echo filemtime(__DIR__.'/../trumbowyg/dist/trumbowyg.min.js') ?>"></script>
<script src="trumbowyg/dist/plugins/fontfamily/trumbowyg.fontfamily.min.js?ver=<?php echo filemtime(__DIR__.'/../trumbowyg/dist/plugins/fontfamily/trumbowyg.fontfamily.min.js') ?>"></script>
<script src="trumbowyg/dist/plugins/table/trumbowyg.table.min.js?ver=<?php echo filemtime(__DIR__.'/../trumbowyg/dist/plugins/table/trumbowyg.table.min.js') ?>"></script>