<?php
/**
 * Template Functions for Forumax
 *
 * @package Forumax
 */

defined( 'ABSPATH' ) || exit;

/**
 * Register external template stack locations
 * @return void
 */
add_action( 'after_setup_theme', 'forumax_register_external_templates', 5 );
function forumax_register_external_templates() {

	/**
	 * Forumax plugin templates - HIGH PRIORITY
	 * These are the main Forumax styled templates
	 */
	bbp_register_template_stack( fn() => trailingslashit( FORUMAX_PATH . 'templates' ), 1 );

	/**
	 * Theme override templates (only /forumax/ folder) - HIGHEST PRIORITY
	 * Allows themes to customize Forumax templates if needed
	 */
	foreach ( forumax_get_theme_override_dirs() as $dir ) {
		bbp_register_template_stack( fn() => trailingslashit( $dir ), 0 );
	}
}

/**
 * Get theme template directories that can override Forumax templates.
 * Only checks for /forumax/ folder - theme's /bbpress/ folder is NOT used
 * because Forumax provides its own styled templates.
 *
 * @return array
 */
function forumax_get_theme_override_dirs() {
	$dirs   = [];
	$themes = [ get_template_directory(), get_stylesheet_directory() ];

	foreach ( array_unique( $themes ) as $theme ) {
		$path = trailingslashit( $theme ) . 'forumax/';
		if ( is_dir( $path ) ) {
			$dirs[] = $path;
		}
	}

	return $dirs;
}

/**
 * Extend bbPress template locations
 */
add_filter( 'bbp_get_template_locations', 'forumax_extend_template_locations', 10, 2 );
function forumax_extend_template_locations( $locations ) {

	foreach ( [ 'forumax', 'bbpress' ] as $slug ) {
		if ( ! in_array( $slug, $locations, true ) ) {
			array_unshift( $locations, $slug );
		}
	}

	return $locations;
}

/**
 * Detect Hello theme family (Hello Elementor, Hello Biz, and child themes).
 *
 * @return bool
 */
function forumax_is_hello_theme() {
	$theme      = wp_get_theme();
	$stylesheet = $theme->get_stylesheet();
	$template   = $theme->get_template();

	$hello_slugs = array( 'hello-elementor', 'hello-biz' );

	foreach ( $hello_slugs as $slug ) {
		if ( $slug === $template || 0 === strpos( $template, $slug ) ) {
			return true;
		}

		if ( $slug === $stylesheet || 0 === strpos( $stylesheet, $slug ) ) {
			return true;
		}
	}

	return false;
}

/**
 * Ensure Forumax templates are preferred on Hello theme.
 *
 * @param array $stack Template stack locations.
 * @return array
 */
add_filter( 'bbp_get_template_stack', 'forumax_force_templates_on_hello', 1 );
function forumax_force_templates_on_hello( $stack ) {
	if ( ! forumax_is_hello_theme() || ! function_exists( 'bbp_add_template_stack_locations' ) ) {
		return $stack;
	}

	$paths = bbp_add_template_stack_locations( array( trailingslashit( FORUMAX_PATH . 'templates' ) ) );
	foreach ( array_reverse( (array) $paths ) as $path ) {
		array_unshift( $stack, $path );
	}

	return array_values( array_unique( $stack ) );
}

/**
 * Force Forumax forum archive template on Hello theme.
 *
 * Uses template_include filter (which runs after all template hierarchy filters)
 * because Hello Elementor doesn't have archive.php, so archive_template filter
 * never fires - WordPress falls back to index.php directly.
 *
 * @param string $template Current template path.
 * @return string
 */
add_filter( 'template_include', 'forumax_force_forum_archive_template_on_hello', 99 );
function forumax_force_forum_archive_template_on_hello( $template ) {
	if ( ! forumax_is_hello_theme() || ! function_exists( 'bbp_is_forum_archive' ) ) {
		return $template;
	}

	// Only override on bbPress forum archive pages.
	if ( bbp_is_forum_archive() ) {
		$hello_template = FORUMAX_PATH . 'templates/hello-archive-forum.php';
		if ( file_exists( $hello_template ) ) {
			return $hello_template;
		}
	}

	return $template;
}

/**
 * Force Forumax bbPress user profile template on Hello themes.
 *
 * Hello Elementor/Hello Biz can fall back to their 404 template when bbPress
 * user rewrite rules are missing/out-of-date. This guarantees rendering of
 * the user profile screen for URLs like `/forums/users/<nicename>/`.
 *
 * @param string $template Current template path.
 * @return string
 */
add_filter( 'template_include', 'forumax_force_user_profile_template_on_hello', 98 );
function forumax_force_user_profile_template_on_hello( $template ) {
	if ( ! forumax_is_hello_theme() || ! function_exists( 'bbp_get_root_slug' ) ) {
		return $template;
	}

	if ( ! isset( $_SERVER['REQUEST_URI'] ) ) {
		return $template;
	}

	$path = (string) wp_parse_url( (string) $_SERVER['REQUEST_URI'], PHP_URL_PATH );
	$path = trim( $path, '/' );
	if ( '' === $path ) {
		return $template;
	}

	$root_slug = trim( (string) bbp_get_root_slug(), '/' );
	if ( '' === $root_slug ) {
		return $template;
	}

	// Require /{root}/ prefix.
	$root_prefix = $root_slug . '/';
	if ( 0 !== strpos( $path, $root_prefix ) ) {
		return $template;
	}

	$after_root = substr( $path, strlen( $root_prefix ) );
	$parts      = array_values( array_filter( explode( '/', (string) $after_root ) ) );
	if ( count( $parts ) < 2 ) {
		return $template;
	}

	$user_base = trim( (string) get_option( '_bbp_user_slug', 'users' ), '/' );
	if ( '' === $user_base ) {
		$user_base = 'users';
	}

	$alt_base = ( 'users' === $user_base ) ? 'user' : 'users';
	if ( $parts[0] !== $user_base && $parts[0] !== $alt_base ) {
		return $template;
	}

	$user_nicename = sanitize_title( (string) $parts[1] );
	if ( '' === $user_nicename ) {
		return $template;
	}

	$the_user = get_user_by( 'slug', $user_nicename );
	if ( empty( $the_user ) || empty( $the_user->ID ) || ( function_exists( 'bbp_user_has_profile' ) && ! bbp_user_has_profile( $the_user->ID ) ) ) {
		return $template;
	}

	// Pass data to the template.
	set_query_var( 'forumax_hello_user_id', (int) $the_user->ID );
	set_query_var( 'forumax_hello_user_section', isset( $parts[2] ) ? sanitize_title( (string) $parts[2] ) : '' );

	$hello_template = FORUMAX_PATH . 'templates/hello-single-user.php';
	if ( file_exists( $hello_template ) ) {
		return $hello_template;
	}

	return $template;
}

/**
 * Add rewrite aliases for bbPress user profiles.
 *
 * Some setups (or migrations) end up with links like `/forums/users/admin/`
 * while the active bbPress "User base" might be `user` (or vice versa).
 * Injecting aliases at runtime avoids 404s without requiring a rewrite flush.
 *
 * @param array $rules
 * @return array
 */
add_filter( 'rewrite_rules_array', 'forumax_add_bbpress_user_rewrite_aliases', 20 );
function forumax_add_bbpress_user_rewrite_aliases( $rules ) {
	if ( ! function_exists( 'bbp_get_root_slug' ) || ! function_exists( 'bbp_get_user_rewrite_id' ) ) {
		return $rules;
	}

	$root_slug = trim( (string) bbp_get_root_slug(), '/' );
	if ( '' === $root_slug ) {
		return $rules;
	}

	$user_base = trim( (string) get_option( '_bbp_user_slug', 'users' ), '/' );
	if ( '' === $user_base ) {
		$user_base = 'users';
	}

	$alt_base = ( 'users' === $user_base ) ? 'user' : 'users';

	$root_regex = preg_quote( $root_slug, '!' );
	$bases      = array_values( array_unique( array( $user_base, $alt_base ) ) );
	$add        = array();

	foreach ( $bases as $base ) {
		$base_regex = preg_quote( $base, '!' );

		// User profile root: /{root}/{users|user}/{nicename}/
		$profile_rule = '^' . $root_regex . '/' . $base_regex . '/([^/]+)/?$';
		if ( ! isset( $rules[ $profile_rule ] ) ) {
			$add[ $profile_rule ] = 'index.php?' . bbp_get_user_rewrite_id() . '=$matches[1]';
		}
	}

	return $add + $rules;
}

/**
 * Map bbPress user profile URLs at runtime (no rewrite flush).
 *
 * When rewrite rules are missing/out-of-date, Hello themes often fall through
 * to their 404 template for URLs like `/forums/users/<nicename>/`. Other themes
 * may mask the issue by having alternate templates/routes.
 *
 * This ensures Hello themes always populate bbPress query vars early enough
 * for bbPress's `bbp_parse_query()` to flag the request as a user profile.
 *
 * @param WP $wp
 * @return void
 */
add_action( 'parse_request', 'forumax_map_bbpress_user_request_on_hello', 1 );
function forumax_map_bbpress_user_request_on_hello( $wp ) {
	if ( ! forumax_is_hello_theme() || is_admin() ) {
		return;
	}

	if ( ! ( $wp instanceof WP ) ) {
		return;
	}

	if ( ! function_exists( 'bbp_get_root_slug' ) || ! function_exists( 'bbp_get_user_rewrite_id' ) ) {
		return;
	}

	$user_rewrite_id = bbp_get_user_rewrite_id();
	if ( empty( $user_rewrite_id ) ) {
		return;
	}

	// If bbPress already matched, don't interfere.
	if ( ! empty( $wp->query_vars[ $user_rewrite_id ] ) ) {
		return;
	}

	$request = isset( $wp->request ) ? trim( (string) $wp->request, '/' ) : '';
	if ( '' === $request ) {
		return;
	}

	$root_slug = trim( (string) bbp_get_root_slug(), '/' );
	if ( '' === $root_slug ) {
		return;
	}

	$root_prefix = $root_slug . '/';
	if ( 0 !== strpos( $request, $root_prefix ) ) {
		return;
	}

	$after_root = substr( $request, strlen( $root_prefix ) );
	if ( '' === $after_root ) {
		return;
	}

	$user_base = trim( (string) get_option( '_bbp_user_slug', 'users' ), '/' );
	if ( '' === $user_base ) {
		$user_base = 'users';
	}

	$alt_base = ( 'users' === $user_base ) ? 'user' : 'users';

	// Match: (users|user)/{nicename}/(optional section)
	$base_regex = '(?:' . preg_quote( $user_base, '!' ) . '|' . preg_quote( $alt_base, '!' ) . ')';
	if ( ! preg_match( '!' . '^' . $base_regex . '/([^/]+)(?:/(.*))?$' . '!' , $after_root, $m ) ) {
		return;
	}

	$user_nicename = sanitize_title( $m[1] );
	$section       = isset( $m[2] ) ? trim( (string) $m[2], '/' ) : '';

	if ( '' === $user_nicename ) {
		return;
	}

	// Set the primary bbPress user query var.
	$wp->query_vars[ $user_rewrite_id ] = $user_nicename;

	// Also set the bbPress query name for consistency.
	$wp->query_vars['_bbp_query_name'] = 'bbp_single_user';

	// Map optional sections (favorites/subscriptions/topics/replies/engagements/edit).
	if ( '' !== $section ) {
		$section_first = explode( '/', $section )[0];

		if ( function_exists( 'bbp_get_edit_slug' ) && ( bbp_get_edit_slug() === $section_first ) ) {
			$wp->query_vars[ bbp_get_edit_rewrite_id() ] = '1';
		} elseif ( function_exists( 'bbp_get_user_favorites_slug' ) && ( bbp_get_user_favorites_slug() === $section_first ) ) {
			$wp->query_vars[ bbp_get_user_favorites_rewrite_id() ] = bbp_get_user_favorites_slug();
		} elseif ( function_exists( 'bbp_get_user_subscriptions_slug' ) && ( bbp_get_user_subscriptions_slug() === $section_first ) ) {
			$wp->query_vars[ bbp_get_user_subscriptions_rewrite_id() ] = bbp_get_user_subscriptions_slug();
		} elseif ( function_exists( 'bbp_get_topic_archive_slug' ) && ( bbp_get_topic_archive_slug() === $section_first ) ) {
			$wp->query_vars[ bbp_get_user_topics_rewrite_id() ] = '1';
		} elseif ( function_exists( 'bbp_get_reply_archive_slug' ) && ( bbp_get_reply_archive_slug() === $section_first ) ) {
			$wp->query_vars[ bbp_get_user_replies_rewrite_id() ] = '1';
		} elseif ( function_exists( 'bbp_get_user_engagements_slug' ) && ( bbp_get_user_engagements_slug() === $section_first ) ) {
			$wp->query_vars[ bbp_get_user_engagements_rewrite_id() ] = '1';
		}
	}
}

/**
 * Banner preset background styles
 *
 * @return array[]|string[]
 */
function forumax_banner_bg_style() {
	return [
		'color'           => FORUMAX_IMG . '/options/color.png',
		'faded-sun'       => FORUMAX_IMG . '/options/faded-sun.jpg',
		'happy-journey'   => FORUMAX_IMG . '/options/happy-journey.jpg',
		'apparent-circle' => FORUMAX_IMG . '/options/apparent-circle.jpg',
		'soft-weather'    => FORUMAX_IMG . '/options/soft-weather.jpg',
		'romantic-sun'    => FORUMAX_IMG . '/options/romantic-sun.jpg',
		'teal-eclipse'    => FORUMAX_IMG . '/options/teal-eclipse.jpg',
	];
}


/**
* Image from Settings
*
* @param string $option_id
* @param string $class
* @param string $alt
*/
function get_image_from_settings( string $option_id = '', string $class = '', string $alt = '' ):void {		
	$image = forumax_get_opt($option_id) ?? '';

	// Check if the image has an 'id' or a 'url' and display accordingly
	if ( ! empty($image['id']) ) {
		echo wp_get_attachment_image($image['id'], 'full', '' );
	} elseif ( !empty($image['url']) ) {
		echo "<img src='{$image['url']}'>";
	}
}