<?php
/**
 * Fired when the plugin is deleted (not deactivated).
 *
 * Removes all plugin options and stored files.
 *
 * @package LLMs_Txt_Generator
 */

// Only run when WordPress calls this directly during plugin deletion.
if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) {
	exit;
}

// ── Remove options ─────────────────────────────────────────────────────────────
delete_option( 'llmstxt_settings' );
delete_option( 'llmstxt_file_info' );
delete_option( 'llmstxt_last_error' );
delete_option( 'llmstxt_last_generated' );
delete_option( 'llmstxt_notice_dismissed' );

// ── Remove .htaccess charset rule ─────────────────────────────────────────────
if ( ! function_exists( 'insert_with_markers' ) ) {
	require_once ABSPATH . 'wp-admin/includes/misc.php';
}
insert_with_markers( rtrim( ABSPATH, '/' ) . '/.htaccess', 'LLMs.txt Generator', array() );

// ── Remove stored files via WP_Filesystem ─────────────────────────────────────
if ( ! function_exists( 'WP_Filesystem' ) ) {
	require_once ABSPATH . 'wp-admin/includes/file.php';
}

WP_Filesystem();
global $wp_filesystem;

if ( $wp_filesystem ) {
	$llmstxt_upload = wp_upload_dir();
	$llmstxt_dir    = trailingslashit( $llmstxt_upload['basedir'] ) . 'llmstxt/';

	foreach ( array( 'llms.txt', 'llms-full.txt' ) as $llmstxt_filename ) {
		// Remove from upload-based storage.
		$llmstxt_stored = $llmstxt_dir . $llmstxt_filename;
		if ( $wp_filesystem->exists( $llmstxt_stored ) ) {
			$wp_filesystem->delete( $llmstxt_stored );
		}

		// Remove physical root copy.
		$llmstxt_root = rtrim( ABSPATH, '/' ) . '/' . $llmstxt_filename;
		if ( $wp_filesystem->exists( $llmstxt_root ) ) {
			$wp_filesystem->delete( $llmstxt_root );
		}
	}

	// Remove the llmstxt storage directory if now empty.
	if ( $wp_filesystem->is_dir( $llmstxt_dir ) ) {
		$wp_filesystem->rmdir( $llmstxt_dir );
	}
}

// ── Unschedule cron events ────────────────────────────────────────────────────
$llmstxt_timestamp = wp_next_scheduled( 'llmstxt_async_regen' );
if ( $llmstxt_timestamp ) {
	wp_unschedule_event( $llmstxt_timestamp, 'llmstxt_async_regen' );
}