<?php
/**
 * Design settings page.
 *
 * @category Core
 * @package  My Calendar
 * @author   Joe Dolson
 * @license  GPLv3
 * @link     https://www.joedolson.com/my-calendar/
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Display help.
 */
function my_calendar_design() {
	?>

	<div class="wrap my-calendar-admin my-calendar-design">
		<h1><?php esc_html_e( 'Design', 'my-calendar' ); ?></h1>
		<div class="mc-tabs">
			<div class="tabs" role="tablist" data-default="my-calendar-style">
				<button type="button" role="tab" aria-selected="false"  id="tab_style" aria-controls="my-calendar-style"><?php esc_html_e( 'Style Editor', 'my-calendar' ); ?></button>
				<button type="button" role="tab" aria-selected="false"  id="tab_templates" aria-controls="my-calendar-templates"><?php esc_html_e( 'Templates', 'my-calendar' ); ?></button>
				<button type="button" role="tab" aria-selected="false"  id="tab_scripts" aria-controls="my-calendar-scripts"><?php esc_html_e( 'Scripts', 'my-calendar' ); ?></button>
			</div>
			<div class="postbox-container jcd-wide">
				<div class="metabox-holder">

					<div class="ui-sortable meta-box-sortables" id="my-calendar-styles">
						<div class="wptab postbox" aria-labelledby="tab_style" role="tabpanel" id="my-calendar-style">
							<h2 id="styles"><?php esc_html_e( 'Style Editor', 'my-calendar' ); ?></h2>
							<div class="inside">
							<?php my_calendar_style_edit(); ?>
							</div>
							<?php mc_display_contrast_variables(); ?>
						</div>
					</div>

					<div class="ui-sortable meta-box-sortables" id="templates">
						<div class="wptab postbox" aria-labelledby="tab_templates" role="tabpanel" id="my-calendar-templates">
						<?php
						$php_templates = ( 'true' === mc_get_option( 'disable_legacy_templates' ) ) ? true : false;
						if ( $php_templates ) {
							$class = '';
							echo '<h2>' . esc_html__( 'Templates', 'my-calendar' ) . '</h2>';
							echo '<p><span class="mc-flex">';
							mc_help_link( __( 'Template Tag Help', 'my-calendar' ), __( 'Template Tags', 'my-calendar' ), 'template tags', 5 );
							echo '</span></p>';
						} else {
							$class = ' legacy-templates';
							echo '<h2>' . esc_html__( 'Template Editor (Legacy)', 'my-calendar' ) . '</h2>';
							echo '<p><span class="mc-flex">';
							echo ( isset( $_GET['mc_template'] ) && 'add-new' === $_GET['mc_template'] ) ? '' : wp_kses_post( '<a class="button button-compact" href="' . esc_url( add_query_arg( 'mc_template', 'add-new', admin_url( 'admin.php?page=my-calendar-design' ) ) ) . '#my-calendar-templates">' . __( 'Add New Template', 'my-calendar' ) . '</a>' );
							mc_help_link( __( 'Template Tag Help', 'my-calendar' ), __( 'Template Tags', 'my-calendar' ), 'template tags', 5 );
							echo '</span></p>';
						}
						?>
							<div class="inside mc-template-layout<?php echo esc_attr( $class ); ?>">
								<div class="list-template-settings">
									<h3><?php esc_html_e( 'Default List Template', 'my-calendar' ); ?></h3>
									<form method="post" action="<?php echo esc_url( admin_url( 'admin.php?page=my-calendar-design#my-calendar-templates' ) ); ?>">
										<div>
											<input type="hidden" name="_wpnonce" value="<?php echo esc_attr( wp_create_nonce( 'my-calendar-nonce' ) ); ?>" />
										<?php
										if ( ! empty( $_POST ) ) {
											$nonce = $_REQUEST['_wpnonce'];
											if ( ! wp_verify_nonce( $nonce, 'my-calendar-nonce' ) ) {
												wp_die( 'My Calendar: Security check failed' );
											}
											// Custom sanitizing.
											$post = map_deep( $_POST, 'sanitize_textarea_field' );
											if ( isset( $post['mc_list_template'] ) ) {
												mc_update_option( 'list_template', $post['mc_list_template'] );
												mc_show_notice( __( 'My Calendar List Template Updated', 'my-calendar' ), true, false, 'success' );
											}
										}
										$template_options = mc_select_preset_templates();
										mc_settings_field(
											array(
												'name'    => 'mc_list_template',
												'label'   => __( 'Default List Template', 'my-calendar' ),
												'default' => $template_options,
												'note'    => __( 'Default format for upcoming event, search results, and other list widgets and shortcodes. Any custom template overrides this.', 'my-calendar' ),
												'type'    => 'select',
											)
										);
										?>
										</div>
										<p>
											<input type="submit" class="button-primary" value="<?php esc_attr_e( 'Save Changes', 'my-calendar' ); ?>">
										</p>
									</form>
									<div class="list-templates">
										<h4><?php esc_html_e( 'Preview', 'my-calendar' ); ?></h4>
										<p><?php esc_html_e( 'The preview shows your next few upcoming events.', 'my-calendar' ); ?>
										<?php
										$default   = '<strong>{timerange after=", "}{daterange}</strong> &#8211; {linking_title}';
										$templates = array( 'list', 'list_preset_1', 'list_preset_2', 'list_preset_3', 'list_preset_4' );
										foreach ( $templates as $template ) {
											echo '<div class="mc-list-preview ' . esc_attr( $template ) . '">';
											$template = ( 'list' === $template ) ? $default : $template;
											$atts     = array(
												'before'   => 0,
												'after'    => 3,
												'template' => $template,
											);
											echo wp_kses_post( my_calendar_insert_upcoming( $atts ) );
											echo '</div>';
										}
										?>
									</div>
								</div>
								<div class="php-template-settings">
								<?php
								echo '<h3 class="mc-flex">' . esc_html__( 'PHP Templates', 'my-calendar' ) . '</h3>';
								echo '<p>';
								// translators: URL for the PHP templating docs.
								printf( wp_kses_post( __( 'Learn about the <a href="%s">PHP templating system in My Calendar</a>.', 'my-calendar' ) ), 'https://docs.joedolson.com/my-calendar/php-templates/' );
								echo '</p>';
								mc_templates_edit();
								?>
								</div>
							</div>
						</div>
					</div>

					<div class="ui-sortable meta-box-sortables" id="scripts">
						<div class="wptab postbox" aria-labelledby="tab_scripts" role="tabpanel" id="my-calendar-scripts">
							<h2><?php esc_html_e( 'Script Manager', 'my-calendar' ); ?></h2>

							<div class="inside">
							<?php my_calendar_behaviors_edit(); ?>
							</div>
						</div>
					</div>
				</div>
			</div>
		</div>
	<?php mc_show_sidebar(); ?>

	</div>
	<?php
}

/**
 * Get the array of possible options for preset templates.
 *
 * @return array
 */
function mc_select_preset_templates() {
	$template_options = array(
		'list'          => '--',
		'list_preset_1' => __( 'Template 1: (short date, linked title, time, brief location, image)', 'my-calendar' ),
		'list_preset_2' => __( 'Template 2: (short date, linked time, title and brief location, image)', 'my-calendar' ),
		'list_preset_3' => __( 'Template 3: (full date, time, linked title, full location)', 'my-calendar' ),
		'list_preset_4' => __( 'Template 4: (responsive cards: image, linked title, time, brief location)', 'my-calendar' ),
	);
	/**
	 * Filter the selectable list of template options in settings.
	 *
	 * Keys must start with 'list_preset_'. Use filter `mc_preset_template`
	 * to return a template.
	 *
	 * @hook mc_select_preset_templates
	 *
	 * @param array $template_options Array of key/value pairs with a preset type and description.
	 */
	$template_options = apply_filters( 'mc_select_preset_templates', $template_options );

	return $template_options;
}

