<?php
if ( ! defined( 'ABSPATH' ) ) { exit; }


/**
 * Demo storage in uploads (Envato-safe).
 * We never write inside the theme directory at runtime.
 * Location: wp-content/uploads/bongoto-woocommerce/demo/
 */
function bongoto_woo_demo_storage_root() : string {
    $upload = wp_upload_dir();
    $base   = trailingslashit( $upload['basedir'] ) . 'bongoto-woocommerce/demo/';
    wp_mkdir_p( $base );
    return trailingslashit( $base );
}

function bongoto_woo_demo_storage_file( string $relative ) : string {
    $relative = ltrim( $relative, '/' );
    return bongoto_woo_demo_storage_root() . $relative;
}

/**
 * Allowed demo asset extensions we can safely download from the demo server.
 * We intentionally block PHP, .htaccess, and other executable/config files.
 */
function bongoto_woo_demo_allowed_exts() : array {
    return array( 'json', 'css', 'svg', 'png', 'jpg', 'jpeg', 'webp', 'woff2', 'woff', 'ttf' );
}

function bongoto_woo_demo_is_allowed_file( string $rel ) : bool {
    $rel = strtolower( (string) $rel );
    // Block anything that looks like a path traversal.
    if ( false !== strpos( $rel, '..' ) ) return false;
    $ext = pathinfo( $rel, PATHINFO_EXTENSION );
    return in_array( $ext, bongoto_woo_demo_allowed_exts(), true );
}

/**
 * Returns true if the Topbar CSS has been downloaded to uploads demo storage.
 * This is used to gate the Topbar UI and rendering (server-only).
 */
function bongoto_woo_has_imported_topbar_css( string $demo_slug = 'bongoto-woocommerce' ) : bool {
    if ( ! function_exists( 'bongoto_woo_local_demo_file' ) ) {
        return false;
    }

    $path = bongoto_woo_local_demo_file( 'headers/topbar.css', $demo_slug );
    return ( is_string( $path ) && $path !== '' && file_exists( $path ) && filesize( $path ) > 0 );
}


/**
 * Import Elementor JSON (template export) and create/update a Home page.
 * This works by writing Elementor data/meta directly to a WP page.
 *
 * Requirements:
 * - Elementor plugin active
 * - Premium active (purchase code verified)
 */
function bongoto_woo_is_elementor_active() : bool {
    return class_exists( '\\Elementor\\Plugin' );
}

/**
 * Check if WooCommerce is active.
 */
function bongoto_woo_is_woocommerce_active() : bool {
    return class_exists( 'WooCommerce' ) || function_exists( 'WC' );
}


/**
 * Derive a friendly Home page title from a demo JSON file name.
 * Examples:
 * - elementor/bongoto-wc-home-electronics.json => Home Electronics
 * - elementor/home-books.json => Home Books
 */
function bongoto_woo_home_title_from_file( string $file, string $fallback = 'Home' ) : string {
    $base = basename( $file );
    $base = preg_replace( '/\.[a-zA-Z0-9]+$/', '', $base );

    // Remove common prefixes.
    $base = preg_replace( '/^(bongoto|bongoto-wc|bongoto-woocommerce)[-_]?/i', '', $base );

    // Normalize separators.
    $base = str_replace( array( '_', '-' ), ' ', $base );
    $base = trim( preg_replace( '/\s+/', ' ', $base ) );

    if ( $base === '' ) {
        return $fallback;
    }

    // Ensure it starts with Home.
    if ( stripos( $base, 'home ' ) !== 0 ) {
        $base = 'Home ' . $base;
    }

    // Title Case.
    $base = ucwords( strtolower( $base ) );
    return $base;
}


/**
 * Local demo folder inside theme.
 * We sync remote demo assets here when user runs Demo Import.
 */
function bongoto_woo_local_demo_root( string $demo_slug = 'bongoto-woocommerce' ) : string {
    // Back-compat: store demos in uploads (never in theme dir).
    return bongoto_woo_demo_storage_root() . trailingslashit( $demo_slug );
}

function bongoto_woo_local_demo_file( string $relative, string $demo_slug = 'bongoto-woocommerce' ) : string {
    $relative = ltrim( $relative, '/' );
    return bongoto_woo_local_demo_root( $demo_slug ) . $relative;
}

function bongoto_woo_import_home_01_from_manifest() {
    if ( ! bongoto_woo_is_elementor_active() ) {
        return new WP_Error( 'bongoto_no_elementor', 'Elementor is not active.' );
    }
    if ( ! bongoto_woo_is_woocommerce_active() ) {
        return new WP_Error( 'bongoto_no_woocommerce', 'WooCommerce is not active.' );
    }

    $manifest = bongoto_woo_fetch_manifest();
    if ( is_wp_error( $manifest ) ) {
        return $manifest;
    }

    if ( empty( $manifest['elementor']['home_pages'][0]['file'] ) ) {
        return new WP_Error( 'bongoto_no_home_json', 'Home JSON not found in manifest.' );
    }

    $home = $manifest['elementor']['home_pages'][0];
    $file = (string) $home['file'];
    $name = ! empty( $home['name'] ) ? (string) $home['name'] : '';
    if ( '' === trim( $name ) ) {
        $name = bongoto_woo_home_title_from_file( $file, 'Home 01' );
    }

    $base_url = trailingslashit( dirname( BONGOTO_DEMO_MANIFEST_URL ) );
    $url = $base_url . ltrim( $file, '/' );

    $resp = wp_remote_get( $url, [ 'timeout' => 25 ] );
    if ( is_wp_error( $resp ) ) { return $resp; }

    $code = (int) wp_remote_retrieve_response_code( $resp );
    $body = (string) wp_remote_retrieve_body( $resp );
    if ( 200 !== $code || '' === $body ) {
        // Retry once on transient failures.
$resp2 = wp_remote_get( $url, [ 'timeout' => 25 ] );
if ( ! is_wp_error( $resp2 ) ) {
    $code = (int) wp_remote_retrieve_response_code( $resp2 );
    $body = (string) wp_remote_retrieve_body( $resp2 );
}
return new WP_Error( 'bongoto_home_download_failed', 'Failed to download home JSON. (HTTP ' . $code . ') ' . $url, [ 'http' => $code, 'url' => $url ] );
    }

    $body = preg_replace('/^\xEF\xBB\xBF/', '', (string) $body );
    $data = json_decode( $body, true );
    if ( ! is_array( $data ) ) {
        return new WP_Error( 'bongoto_home_json_invalid', 'Home JSON is not valid JSON.' );
    }

    // Elementor exports usually contain: content, page_settings/settings, version/title/type
    $content = null;
    if ( isset( $data['content'] ) && is_array( $data['content'] ) ) {
        $content = $data['content'];
    } elseif ( isset( $data[0] ) && is_array( $data[0] ) ) {
        // Some exports are raw array
        $content = $data;
    }

    if ( ! is_array( $content ) ) {
        return new WP_Error( 'bongoto_home_json_no_content', 'Elementor content not found in JSON.' );
    }

    $page_settings = [];
    if ( isset( $data['page_settings'] ) && is_array( $data['page_settings'] ) ) {
        $page_settings = $data['page_settings'];
    } elseif ( isset( $data['settings'] ) && is_array( $data['settings'] ) ) {
        $page_settings = $data['settings'];
    }

    $page_id = bongoto_woo_upsert_home_page( $name, $content, $page_settings, $data );
    if ( is_wp_error( $page_id ) ) { return $page_id; }

    // Set as Front Page
    update_option( 'show_on_front', 'page' );
    update_option( 'page_on_front', (int) $page_id );

    // Clear Elementor cache if available
    try {
        if ( class_exists( '\\Elementor\\Plugin' ) && isset( \Elementor\Plugin::$instance->files_manager ) ) {
            \Elementor\Plugin::$instance->files_manager->clear_cache();
        }
    } catch ( \Throwable $e ) { /* ignore */ }

    return [
        'page_id' => (int) $page_id,
        'page_url' => get_permalink( (int) $page_id ),
        'title' => get_the_title( (int) $page_id ),
    ];
}

function bongoto_woo_upsert_home_page( string $title, array $elementor_content, array $page_settings, array $raw ) {
    // Defensive: ensure settings stay as array even if upstream JSON is malformed.
    if ( ! is_array( $page_settings ) ) { $page_settings = []; }
    $existing = get_page_by_title( $title, OBJECT, 'page' );
    $page_id = $existing ? (int) $existing->ID : 0;

    $postarr = [
        'post_title'   => $title,
        'post_type'    => 'page',
        'post_status'  => 'publish',
        'post_name'    => sanitize_title( $title ),
    ];

    // Keep slug stable and friendly.
    $postarr['post_name'] = sanitize_title( $title );

    if ( $page_id ) {
        $postarr['ID'] = $page_id;
        $page_id = wp_update_post( $postarr, true );
    } else {
        $page_id = wp_insert_post( $postarr, true );
    }

    if ( is_wp_error( $page_id ) ) { return $page_id; }

    // Elementor meta
    update_post_meta( $page_id, '_elementor_edit_mode', 'builder' );
    update_post_meta( $page_id, '_elementor_template_type', 'wp-page' );

    // Version if present, else keep current
    if ( defined( 'ELEMENTOR_VERSION' ) ) {
        update_post_meta( $page_id, '_elementor_version', ELEMENTOR_VERSION );
    }

    // Write Elementor data
    $encoded = wp_json_encode( $elementor_content );
    update_post_meta( $page_id, '_elementor_data', wp_slash( $encoded ) );

    if ( ! empty( $page_settings ) ) {
        update_post_meta( $page_id, '_elementor_page_settings', $page_settings );
    }

	// Mark as demo home so Customizer can list it for selection.
	update_post_meta( $page_id, '_bongoto_demo_home', '1' );
	if ( isset( $raw['file'] ) && is_string( $raw['file'] ) ) {
		update_post_meta( $page_id, '_bongoto_demo_source', sanitize_text_field( $raw['file'] ) );
	}

    return (int) $page_id;
}


/**
 * Import a home by index from manifest (elementor.home_pages[index]).
 */
function bongoto_woo_import_home_by_index_from_manifest( int $index, bool $set_front = true ) {
    if ( ! bongoto_woo_is_elementor_active() ) {
        return new WP_Error( 'bongoto_no_elementor', 'Elementor is not active.' );
    }
    if ( ! bongoto_woo_is_woocommerce_active() ) {
        return new WP_Error( 'bongoto_no_woocommerce', 'WooCommerce is not active.' );
    }

    $manifest = bongoto_woo_fetch_manifest();
    if ( is_wp_error( $manifest ) ) {
        return $manifest;
    }

    $homes = $manifest['elementor']['home_pages'] ?? [];
    if ( ! is_array( $homes ) || empty( $homes ) || ! isset( $homes[ $index ] ) ) {
        return new WP_Error( 'bongoto_home_not_found', 'Selected home not found in manifest.' );
    }

    $home = $homes[ $index ];
    $file = isset( $home['file'] ) ? (string) $home['file'] : '';
    $name = isset( $home['name'] ) ? (string) $home['name'] : '';

    $file = ltrim( $file, '/' );
    if ( '' === $file ) {
        return new WP_Error( 'bongoto_no_home_json', 'Home JSON file is missing in manifest.' );
    }

    // If manifest doesn't provide a friendly name, derive it from JSON file name.
    if ( trim( $name ) === '' ) {
        $name = bongoto_woo_home_title_from_file( $file, 'Home' );
    }

    // Prefer local synced JSON inside theme.
    $body  = '';
    $local = bongoto_woo_local_demo_file( $file );
    if ( file_exists( $local ) ) {
        $body = (string) file_get_contents( $local );
    } else {
        $base_url = trailingslashit( dirname( BONGOTO_DEMO_MANIFEST_URL ) );
        $url      = $base_url . $file;

        $resp = wp_remote_get( $url, [
            'timeout'    => 25,
            'user-agent' => 'WordPress/' . get_bloginfo( 'version' ) . '; ' . home_url( '/' ),
        ] );
        if ( is_wp_error( $resp ) ) {
            return new WP_Error( 'bongoto_home_download_failed', 'Failed to download home JSON. ' . $resp->get_error_message() );
}

        $code = (int) wp_remote_retrieve_response_code( $resp );
        $body = (string) wp_remote_retrieve_body( $resp );
        if ( 200 !== $code || '' === $body ) {
            return new WP_Error( 'bongoto_home_download_failed', sprintf( 'Failed to download home JSON. (HTTP %d) %s', $code, esc_url_raw( $url ) ) );
        }
    }

    // Strip UTF-8 BOM if present.
    if ( 0 === strpos( $body, "\xEF\xBB\xBF" ) ) {
        $body = substr( $body, 3 );
    }

    $body = preg_replace('/^\xEF\xBB\xBF/', '', (string) $body );
    $data = json_decode( $body, true );
    if ( ! is_array( $data ) ) {
        return new WP_Error( 'bongoto_home_json_invalid', 'Home JSON is not valid JSON.' );
    }

    // Elementor exports usually contain: content, page_settings/settings, version/title/type
    $content = null;
    if ( isset( $data['content'] ) && is_array( $data['content'] ) ) {
        $content = $data['content'];
    } elseif ( isset( $data[0] ) && is_array( $data[0] ) ) {
        $content = $data;
    }

    if ( ! is_array( $content ) || empty( $content ) ) {
        return new WP_Error( 'bongoto_home_no_content', 'Home JSON does not contain content.' );
    }

    $page_settings = [];
    if ( isset( $data['page_settings'] ) && is_array( $data['page_settings'] ) ) {
        $page_settings = $data['page_settings'];
    } elseif ( isset( $data['settings'] ) && is_array( $data['settings'] ) ) {
        $page_settings = $data['settings'];
    }

    // Trace the source file for support.
    $data['file'] = $file;

    $page_id = bongoto_woo_upsert_home_page( $name, $content, $page_settings, $data );
    if ( is_wp_error( $page_id ) ) { return $page_id; }

    if ( $set_front ) {
        update_option( 'show_on_front', 'page' );
        update_option( 'page_on_front', (int) $page_id );
    }

    return (int) $page_id;
}

function bongoto_woo_download_headers_selected( array $files ) {
    $manifest = bongoto_woo_fetch_manifest();
    if ( is_wp_error( $manifest ) ) return $manifest;

    $demo_slug = 'bongoto-woocommerce';
    $render_dir = bongoto_woo_local_demo_root( $demo_slug ) . 'headers/';
    wp_mkdir_p( $render_dir );
    $base_url = trailingslashit( dirname( BONGOTO_DEMO_MANIFEST_URL ) );

    foreach ( $files as $file ) {
        // Only allow safe assets.
        if ( ! bongoto_woo_demo_is_allowed_file( (string) $file ) ) { continue; }

        $file = ltrim( (string) $file, '/' );
        if ( '' === $file ) continue;

        $url = $base_url . $file;
        $r = wp_remote_get( $url, [ 'timeout' => 25 ] );
        if ( is_wp_error( $r ) ) continue;

        $code = (int) wp_remote_retrieve_response_code( $r );
        $body = (string) wp_remote_retrieve_body( $r );
        if ( 200 !== $code || '' === $body ) continue;

        $name = basename( $file );
        bongoto_woo_fs_put_contents( $render_dir . $name, $body );
    }


// Always try to fetch shared partials used by headers (Topbar), even if not selected.
// NOTE: We do not download PHP or .htaccess from remote servers.
foreach ( array( 'headers/topbar.css' ) as $extra ) {
    $url = $base_url . ltrim( $extra, '/' );
    $r   = wp_remote_get( $url, [ 'timeout' => 25 ] );
    if ( is_wp_error( $r ) ) { continue; }

    $code = (int) wp_remote_retrieve_response_code( $r );
    $body = (string) wp_remote_retrieve_body( $r );
    if ( 200 !== $code || '' === $body ) { continue; }

    bongoto_woo_fs_put_contents( $render_dir . basename( $extra ), $body );
}

    return true;
}

/**
 * Apply color preset by index from manifest.colors[]
 * Preset JSON should be:
 * { "theme_mods": { "bongoto_color_site_bg":"#ffffff", ... } }
 */
function bongoto_woo_apply_color_preset_by_index_from_manifest( int $index ) {
    $manifest = bongoto_woo_fetch_manifest();
    if ( is_wp_error( $manifest ) ) return $manifest;

    $colors = $manifest['colors'] ?? [];
    if ( ! is_array( $colors ) || empty( $colors ) || ! isset( $colors[ $index ] ) ) {
        return new WP_Error( 'bongoto_color_not_found', 'Color preset not found in manifest.' );
    }

    $preset = $colors[ $index ];
    $file = isset( $preset['file'] ) ? (string) $preset['file'] : '';
    if ( '' === $file ) return new WP_Error( 'bongoto_color_file_missing', 'Color preset file missing.' );

    $local = bongoto_woo_local_demo_file( ltrim( $file, '/' ) );
    if ( file_exists( $local ) ) {
        $body = (string) file_get_contents( $local );
    } else {
        $base_url = trailingslashit( dirname( BONGOTO_DEMO_MANIFEST_URL ) );
        $url = $base_url . ltrim( $file, '/' );

        $resp = wp_remote_get( $url, [ 'timeout' => 25 ] );
        if ( is_wp_error( $resp ) ) return $resp;

        $code = (int) wp_remote_retrieve_response_code( $resp );
        $body = (string) wp_remote_retrieve_body( $resp );
        if ( 200 !== $code || '' === $body ) {
            return new WP_Error( 'bongoto_color_download', 'Could not download color preset.' );
        }
    }

    $body = preg_replace('/^\xEF\xBB\xBF/', '', (string) $body );
    $data = json_decode( $body, true );
if ( ! is_array( $data ) || empty( $data['theme_mods'] ) || ! is_array( $data['theme_mods'] ) ) {
        return new WP_Error( 'bongoto_color_invalid', 'Invalid color preset JSON.' );
    }

    // Save preset into the theme demo folder (as requested) so Customizer can read from template-parts/demos/...
    $save_dir = bongoto_woo_local_demo_root() . 'presets/';
    wp_mkdir_p( $save_dir );
    bongoto_woo_fs_put_contents( $save_dir . basename( $file ), $body );

    // Apply theme_mods (overwrite)
    foreach ( $data['theme_mods'] as $k => $v ) {
        if ( ! is_string( $k ) ) continue;
        if ( ! is_string( $v ) ) continue;
        set_theme_mod( $k, $v );
    }


    // Ensure Customizer's minimal 3 color controls reflect imported presets,
    // even if the preset uses a different key schema.
    $mods = $data['theme_mods'];

    if ( empty( $mods['bongoto_color_site_bg'] ) && ! empty( $mods['bongoto_woocommerce_color_bg'] ) ) {
        set_theme_mod( 'bongoto_color_site_bg', (string) $mods['bongoto_woocommerce_color_bg'] );
    }
    if ( empty( $mods['bongoto_color_header_bg'] ) ) {
        if ( ! empty( $mods['bongoto_woocommerce_color_primary'] ) ) {
            set_theme_mod( 'bongoto_color_header_bg', (string) $mods['bongoto_woocommerce_color_primary'] );
        } elseif ( ! empty( $mods['bongoto_woocommerce_color_accent'] ) ) {
            set_theme_mod( 'bongoto_color_header_bg', (string) $mods['bongoto_woocommerce_color_accent'] );
        }
    }
    if ( empty( $mods['bongoto_color_footer_bg'] ) ) {
        // Prefer a dark footer if not provided.
        set_theme_mod( 'bongoto_color_footer_bg', '#111111' );
    }
    return true;
}
/**
 * Import a selected Home JSON file from manifest (Elementor home_pages[*].file).
 * @param string $file Relative file path from manifest, e.g. "elementor/bongoto-wc-home-01.json"
 */
function bongoto_woo_import_home_from_manifest_file( string $file ) {
    if ( ! bongoto_woo_is_elementor_active() ) {
        return new WP_Error( 'bongoto_no_elementor', 'Elementor is not active.' );
    }
    if ( ! bongoto_woo_is_woocommerce_active() ) {
        return new WP_Error( 'bongoto_no_woocommerce', 'WooCommerce is not active.' );
    }

    $manifest = bongoto_woo_fetch_manifest();
    if ( is_wp_error( $manifest ) ) { return $manifest; }

    $file = ltrim( (string) $file, '/' );
    if ( '' === $file ) {
        return new WP_Error( 'bongoto_no_home_json', 'Home JSON not selected.' );
    }

    // Resolve title from manifest item name, fallback to filename.
    $title = basename( $file, '.json' );
    $homes = $manifest['elementor']['home_pages'] ?? [];
    if ( is_array( $homes ) ) {
        foreach ( $homes as $item ) {
            $ifile = isset( $item['file'] ) ? ltrim( (string) $item['file'], '/' ) : '';
            if ( $ifile === $file ) {
                $iname = isset( $item['name'] ) ? (string) $item['name'] : '';
                if ( '' !== $iname ) { $title = $iname; }
                break;
            }
        }
    }

    // Prefer local synced JSON inside theme (avoid remote fetch flakiness).
    $body = '';
    $local = bongoto_woo_local_demo_file( $file );
    if ( file_exists( $local ) ) {
        $body = (string) file_get_contents( $local );
    } else {
        $base_url = trailingslashit( dirname( BONGOTO_DEMO_MANIFEST_URL ) );
        $url      = $base_url . $file;

        $resp = wp_remote_get( $url, [
            'timeout'    => 25,
            'user-agent' => 'WordPress/' . get_bloginfo( 'version' ) . '; ' . home_url( '/' ),
        ] );
        if ( is_wp_error( $resp ) ) {
            return new WP_Error( 'bongoto_home_download_failed', 'Failed to download home JSON. ' . $resp->get_error_message() );
}

        $code = (int) wp_remote_retrieve_response_code( $resp );
        $body = (string) wp_remote_retrieve_body( $resp );
        if ( 200 !== $code || '' === $body ) {
            return new WP_Error( 'bongoto_home_download_failed', sprintf( 'Failed to download home JSON. (HTTP %d) %s', $code, esc_url_raw( $url ) ) );
        }
    }

    if ( 0 === strpos( $body, "\xEF\xBB\xBF" ) ) {
        $body = substr( $body, 3 );
    }

    $body = preg_replace('/^\xEF\xBB\xBF/', '', (string) $body );
    $data = json_decode( $body, true );
    if ( ! is_array( $data ) ) {
        return new WP_Error( 'bongoto_home_json_invalid', 'Home JSON is not valid JSON.' );
    }

    $content = null;
    if ( isset( $data['content'] ) && is_array( $data['content'] ) ) {
        $content = $data['content'];
    } elseif ( isset( $data[0] ) && is_array( $data[0] ) ) {
        $content = $data;
    }

    if ( ! is_array( $content ) || empty( $content ) ) {
        return new WP_Error( 'bongoto_home_no_content', 'Home JSON does not contain content.' );
    }

    $page_settings = [];
    if ( isset( $data['page_settings'] ) && is_array( $data['page_settings'] ) ) {
        $page_settings = $data['page_settings'];
    } elseif ( isset( $data['settings'] ) && is_array( $data['settings'] ) ) {
        $page_settings = $data['settings'];
    }

    // Trace the source file for support.
    $data['file'] = $file;

    $page_id = bongoto_woo_upsert_home_page( $title, $content, $page_settings, $data );
    if ( is_wp_error( $page_id ) ) { return $page_id; }

    // This method is used for the selected front page home.
    update_option( 'show_on_front', 'page' );
    update_option( 'page_on_front', (int) $page_id );

    return (int) $page_id;
}

function bongoto_woo_sync_demo_folder_to_theme( array $manifest, string $demo_slug = 'bongoto-woocommerce' ) {
    $base_url = trailingslashit( dirname( BONGOTO_DEMO_MANIFEST_URL ) );
    $root     = bongoto_woo_local_demo_root( $demo_slug );

    // Ensure base dirs.
    wp_mkdir_p( $root );

    $files = [];

    // Save manifest for debugging/preview.
    $files[] = 'manifest.json';

    // Elementor home pages
    $homes = $manifest['elementor']['home_pages'] ?? [];
    if ( is_array( $homes ) ) {
        foreach ( $homes as $h ) {
            if ( ! empty( $h['file'] ) ) $files[] = (string) $h['file'];
        }
    }

    // Headers
    $headers = $manifest['headers'] ?? [];
    if ( is_array( $headers ) ) {
        foreach ( $headers as $h ) {
            if ( ! empty( $h['file'] ) ) $files[] = (string) $h['file'];
        }
    }


// Shared header partials (Topbar) - these may not be listed in manifest.headers
// but are required by header-2..5 templates.
// NOTE: We do not download PHP or .htaccess from remote servers.
foreach ( array( 'headers/topbar.css' ) as $extra ) {
    $files[] = $extra;
}

    // Presets/customizer (optional)
    $presets = $manifest['presets']['customizer'] ?? [];
    if ( is_array( $presets ) ) {
        foreach ( $presets as $p ) {
            if ( ! empty( $p['file'] ) ) $files[] = (string) $p['file'];
        }
    }

    // Colors (maps to presets/*.json usually)
    $colors = $manifest['colors'] ?? [];
    if ( is_array( $colors ) ) {
        foreach ( $colors as $c ) {
            if ( ! empty( $c['file'] ) ) $files[] = (string) $c['file'];
        }
    }

    
    // Keep only safe file types.
    $files = array_values( array_filter( $files, function( $f ) {
        $f = (string) $f;
        if ( 'manifest.json' === $f ) return true;
        return bongoto_woo_demo_is_allowed_file( $f );
    } ) );
$files = array_values( array_unique( array_filter( array_map( function( $f ) {
        $f = ltrim( (string) $f, '/' );
        return $f;
    }, $files ) ) ) );

    // Write manifest.json locally
    $manifest_local = $root . 'manifest.json';
    bongoto_woo_fs_put_contents( $manifest_local, wp_json_encode( $manifest, JSON_PRETTY_PRINT ) );

    foreach ( $files as $rel ) {
        // Safety: never download executable/config files.
        if ( 'manifest.json' !== $rel && ! bongoto_woo_demo_is_allowed_file( (string) $rel ) ) { continue; }

        if ( 'manifest.json' === $rel ) continue;

        $dest = bongoto_woo_local_demo_file( $rel, $demo_slug );
        $dir  = trailingslashit( dirname( $dest ) );
        wp_mkdir_p( $dir );

        // If already exists, keep it (avoid overwriting manual edits).
        if ( file_exists( $dest ) ) {
            continue;
        }

        $url  = $base_url . $rel;
        $resp = wp_remote_get( $url, [ 'timeout' => 25 ] );
        if ( is_wp_error( $resp ) ) { continue; }
        $code = (int) wp_remote_retrieve_response_code( $resp );
        $body = (string) wp_remote_retrieve_body( $resp );
        if ( 200 !== $code || '' === $body ) { continue; }

        bongoto_woo_fs_put_contents( $dest, $body );
    }

    return true;
}

/**
 * Import an Elementor JSON export from a local file path (Theme-shipped or already downloaded).
 */
function bongoto_woo_import_home_from_local_json_file( string $json_path, string $title = 'Home 01', bool $set_front = false ) {
    if ( ! bongoto_woo_is_elementor_active() ) {
        return new WP_Error( 'bongoto_no_elementor', 'Elementor is not active.' );
    }
    if ( ! file_exists( $json_path ) ) {
        return new WP_Error( 'bongoto_home_missing', 'Home JSON file not found.' );
    }
    $body = (string) file_get_contents( $json_path );
    if ( 0 === strpos( $body, "\xEF\xBB\xBF" ) ) {
        $body = substr( $body, 3 );
    }
    $body = preg_replace('/^\xEF\xBB\xBF/', '', (string) $body );
    $data = json_decode( $body, true );
    if ( ! is_array( $data ) ) {
        return new WP_Error( 'bongoto_home_json_invalid', 'Home JSON is not valid JSON.' );
    }

    $content = null;
    if ( isset( $data['content'] ) && is_array( $data['content'] ) ) {
        $content = $data['content'];
    } elseif ( isset( $data[0] ) && is_array( $data[0] ) ) {
        $content = $data;
    }
    if ( ! is_array( $content ) || empty( $content ) ) {
        return new WP_Error( 'bongoto_home_no_content', 'Home JSON does not contain content.' );
    }

    $page_settings = [];
    if ( isset( $data['page_settings'] ) && is_array( $data['page_settings'] ) ) {
        $page_settings = $data['page_settings'];
    } elseif ( isset( $data['settings'] ) && is_array( $data['settings'] ) ) {
        $page_settings = $data['settings'];
    }

    // Trace source for support.
    $data['file'] = basename( $json_path );

    $page_id = bongoto_woo_upsert_home_page( $title, $content, $page_settings, $data );
    if ( is_wp_error( $page_id ) ) { return $page_id; }

    if ( $set_front ) {
        update_option( 'show_on_front', 'page' );
        update_option( 'page_on_front', (int) $page_id );
    }

    return (int) $page_id;
}