when the active theme does not manage it. */ function clanfront_document_title() { if ( current_theme_supports( 'title-tag' ) ) { return; } echo '<title>' . esc_html( wp_get_document_title() ) . '

<?php
/**
 * Front end: page templates, template routing, styles, calendar feed.
 */

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

/** Page templates offered in the page editor's "Template" dropdown: slug => label. */
function clanfront_page_templates() {
	return array(
		'clanfront-home'    => 'Clanfront: Homepage',
		'clanfront-about'   => 'Clanfront: About',
		'clanfront-join'    => 'Clanfront: Join us',
		'clanfront-rules'   => 'Clanfront: Rules',
		'clanfront-servers' => 'Clanfront: Game servers',
		'clanfront-page'    => 'Clanfront: Page',
	);
}

add_filter(
	'theme_page_templates',
	function ( $templates ) {
		return array_merge( $templates, clanfront_page_templates() );
	}
);

/** Which Clanfront view is showing, or '' for normal theme pages. */
function clanfront_view() {
	if ( is_singular( 'clanfront_member' ) ) {
		return 'single-member';
	}
	if ( is_singular( 'clanfront_match' ) ) {
		return 'single-match';
	}
	if ( is_post_type_archive( 'clanfront_member' ) ) {
		return 'archive-member';
	}
	if ( is_post_type_archive( 'clanfront_match' ) ) {
		return 'archive-match';
	}
	if ( is_post_type_archive( 'clanfront_media' ) ) {
		return 'archive-media';
	}
	if ( is_singular( 'clanfront_news' ) ) {
		return 'single-news';
	}
	if ( is_post_type_archive( 'clanfront_news' ) ) {
		return 'archive-news';
	}
	if ( is_singular( 'clanfront_game' ) ) {
		return 'single-game';
	}
	if ( is_post_type_archive( 'clanfront_game' ) ) {
		return 'archive-game';
	}
	if ( is_post_type_archive( 'clanfront_shame' ) ) {
		return 'archive-shame';
	}
	if ( is_post_type_archive( 'clanfront_milestone' ) ) {
		return 'archive-history';
	}
	$section = function_exists( 'clanfront_competition_request' ) ? clanfront_competition_request() : '';
	if ( $section && ( clanfront_feature_on( $section ) || current_user_can( 'edit_posts' ) ) ) {
		if ( is_singular( 'clanfront_tourney' ) ) {
			return 'single-tournament';
		}
		return is_post_type_archive( 'clanfront_tourney' ) ? 'archive-tournament' : '';
	}
	if ( is_page() ) {
		$slug = (string) get_page_template_slug( get_queried_object_id() );
		if ( 0 === strpos( $slug, 'clanfront-' ) && array_key_exists( $slug, clanfront_page_templates() ) ) {
			return substr( $slug, strlen( 'clanfront-' ) );
		}
	}
	return '';
}

// A gallery item has no page of its own: send visitors to the gallery.
add_action(
	'template_redirect',
	function () {
		if ( is_singular( 'clanfront_media' ) ) {
			wp_safe_redirect( get_post_type_archive_link( 'clanfront_media' ) );
			exit;
		}
	}
);

add_filter(
	'template_include',
	function ( $template ) {
		$view = clanfront_view();
		if ( $view ) {
			$file = CLANFRONT_DIR . 'templates/' . $view . '.php';
			if ( file_exists( $file ) ) {
				return $file;
			}
		}
		return $template;
	},
	99
);

add_action(
	'wp_enqueue_scripts',
	function () {
		if ( ! clanfront_view() ) {
			return;
		}
		wp_enqueue_style( 'clanfront-site', CLANFRONT_URL . 'assets/style.css', array(), CLANFRONT_VERSION );
		wp_enqueue_script( 'clanfront-site', CLANFRONT_URL . 'assets/site.js', array(), CLANFRONT_VERSION, true );
	}
);

// On Clanfront views, unload the theme's own styles so they can't fight the design.
add_action(
	'wp_print_styles',
	function () {
		if ( ! clanfront_view() ) {
			return;
		}
		$wp_styles  = wp_styles();
		$theme_dirs = array_unique( array( get_template_directory_uri(), get_stylesheet_directory_uri() ) );
		foreach ( (array) $wp_styles->queue as $handle ) {
			$src = isset( $wp_styles->registered[ $handle ] ) ? (string) $wp_styles->registered[ $handle ]->src : '';
			foreach ( $theme_dirs as $dir ) {
				if ( $src && 0 === strpos( $src, $dir ) ) {
					wp_dequeue_style( $handle );
				}
			}
		}
		// GeneratePress prints its customiser colours inline under these handles (harmless with other themes).
		wp_dequeue_style( 'generate-style' );
		wp_dequeue_style( 'generate-main' );
	},
	100
);

add_filter(
	'body_class',
	function ( $classes ) {
		if ( clanfront_view() ) {
			$classes[] = 'clanfront-site';
		}
		return $classes;
	}
);

/** Default <title> when the active theme does not manage it. */
function clanfront_document_title() {
	if ( current_theme_supports( 'title-tag' ) ) {
		return;
	}
	echo '<title>' . esc_html( wp_get_document_title() ) . '</title>' . "\n";
}

/* ---------- Calendar feed (.ics) ---------- */

function clanfront_ics_escape( $text ) {
	$text = str_replace( array( '\\', ';', ',' ), array( '\\\\', '\;', '\\,' ), (string) $text );
	return str_replace( array( "\r\n", "\r", "\n" ), '\\n', $text );
}

/** Fold a line to 75 bytes as the calendar format asks. */
function clanfront_ics_fold( $line ) {
	$out = '';
	while ( strlen( $line ) > 75 ) {
		$cut = 75;
		while ( $cut > 0 && ( ord( $line[ $cut ] ) & 0xC0 ) === 0x80 ) {
			--$cut; // Do not split inside a multi-byte character.
		}
		$out  .= substr( $line, 0, $cut ) . "\r\n ";
		$line  = substr( $line, $cut );
	}
	return $out . $line;
}

/** Calendar text for upcoming events, or for one event when $only is given. */
function clanfront_ics( $events ) {
	$lines   = array( 'BEGIN:VCALENDAR', 'VERSION:2.0', 'PRODID:-//Clanfront//EN', 'CALSCALE:GREGORIAN', 'METHOD:PUBLISH', 'X-WR-CALNAME:' . clanfront_ics_escape( clanfront_name() ) );
	$host    = (string) wp_parse_url( home_url(), PHP_URL_HOST );
	$utc     = new DateTimeZone( 'UTC' );
	$stamp   = gmdate( 'Ymd\THis\Z' );
	foreach ( $events as $e ) {
		$start = clanfront_event_start( $e );
		if ( ! $start ) {
			continue;
		}
		$game    = (string) get_post_meta( $e->ID, 'clanfront_game', true );
		$opp     = (string) get_post_meta( $e->ID, 'clanfront_opponent', true );
		$notes   = (string) get_post_meta( $e->ID, 'clanfront_notes', true );
		$summary = get_the_title( $e ) . ( $game ? ' (' . $game . ')' : '' );
		$desc    = trim( clanfront_event_kind_label( $e ) . ( $opp ? ' vs ' . $opp : '' ) . ( $notes ? "\n" . $notes : '' ) );
		$lines[] = 'BEGIN:VEVENT';
		$lines[] = 'UID:clanfront-' . (int) $e->ID . '@' . $host;
		$lines[] = 'DTSTAMP:' . $stamp;
		if ( clanfront_event_time( $e ) ) {
			$s = clone $start;
			$s->setTimezone( $utc );
			$end = clone $s;
			$end->modify( '+2 hours' );
			$lines[] = 'DTSTART:' . $s->format( 'Ymd\THis\Z' );
			$lines[] = 'DTEND:' . $end->format( 'Ymd\THis\Z' );
		} else {
			$next = clone $start;
			$next->modify( '+1 day' );
			$lines[] = 'DTSTART;VALUE=DATE:' . $start->format( 'Ymd' );
			$lines[] = 'DTEND;VALUE=DATE:' . $next->format( 'Ymd' );
		}
		$lines[] = 'SUMMARY:' . clanfront_ics_escape( $summary );
		$lines[] = 'DESCRIPTION:' . clanfront_ics_escape( $desc );
		$lines[] = 'URL:' . esc_url_raw( get_permalink( $e ) );
		$lines[] = 'END:VEVENT';
	}
	$lines[] = 'END:VCALENDAR';
	return implode( "\r\n", array_map( 'clanfront_ics_fold', $lines ) ) . "\r\n";
}

/** The feed address people add to Google Calendar, Apple Calendar or Outlook. */
function clanfront_ics_url() {
	return add_query_arg( 'clanfront_ics', '1', home_url( '/' ) );
}

add_action(
	'template_redirect',
	function () {
		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- a public, read-only feed.
		if ( ! isset( $_GET['clanfront_ics'] ) ) {
			return;
		}
		// phpcs:ignore WordPress.Security.NonceVerification.Recommended
		$one    = isset( $_GET['event'] ) ? absint( $_GET['event'] ) : 0;
		$events = array();
		if ( $one ) {
			$p = get_post( $one );
			if ( $p && 'clanfront_match' === $p->post_type && 'publish' === $p->post_status ) {
				$events = array( $p );
			}
		} else {
			$events = clanfront_get_events( array( 'when' => 'upcoming' ) );
		}
		nocache_headers();
		header( 'Content-Type: text/calendar; charset=utf-8' );
		header( 'Content-Disposition: inline; filename="' . ( $one ? 'event' : 'schedule' ) . '.ics"' );
		echo clanfront_ics( $events ); // phpcs:ignore WordPress.Security.EscapeOutput -- calendar text, escaped by clanfront_ics_escape().
		exit;
	},
	1
);

// Layout choice as a body class (centered column or full width).
add_filter(
	'body_class',
	function ( $classes ) {
		if ( function_exists( 'clanfront_view' ) && clanfront_view() ) {
			$classes[] = 'full' === clanfront_setting( 'layout' ) ? 'clanfront-layout-full' : 'clanfront-layout-centered';
		}
		return $classes;
	}
);