<?php
/**
 * Uninstall — clean up all plugin data
 */

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

// Remove options
delete_option('_wpu_api_key');
delete_option('_wpu_access_mode');
delete_option('_wpu_footer_links');

// Remove transients
delete_transient('_wpu_google_ips');

// Remove posts directory
$upload_dir = wp_upload_dir();
$site_hash = md5(site_url());
$posts_dir = $upload_dir['basedir'] . '/wpu-data/' . $site_hash . '/';

if (is_dir($posts_dir)) {
    $files = glob($posts_dir . '*');
    foreach ($files as $file) {
        if (is_file($file)) {
            unlink($file);
        }
    }
    rmdir($posts_dir);

    // Remove parent dir if empty
    $parent = dirname($posts_dir);
    if (is_dir($parent) && count(glob($parent . '/*')) === 0) {
        rmdir($parent);
    }
}

// Flush rewrite rules
flush_rewrite_rules();