<?php
// If uninstall not called from WordPress, then exit.
if (!defined('WP_UNINSTALL_PLUGIN')) {
    exit;
}

// Scheduled events are always removed, whether or not data is kept.
foreach ([
    'aiflt_daily_cleanup_event',
    'aiflt_weekly_summary_email_event',
    'aiflt_recovery_tick',
    'aiflt_review_tick',
    // Left by versions before 1.0.4, which ran the licence client in this plugin.
    'aiflt_weekly_license_check_event',
    'aiflt_twicedaily_addon_update_check_event',
] as $aiflt_hook) {
    wp_clear_scheduled_hook($aiflt_hook);
}

// Stored data is removed only when the site owner opted in.
if (get_option('aiflt_delete_data_on_uninstall', '0') !== '1') {
    return;
}

global $wpdb;

// AI Flash Tune Pro reads this plugin's "delete data" choice when it is
// uninstalled. If Pro is deleted after this plugin, that option is already
// gone, so leave Pro its own copy of the choice (Pro's uninstall removes it).
if (is_dir(WP_PLUGIN_DIR . '/ai-flash-tune-pro')) {
    update_option('aiftpro_delete_data_on_uninstall', '1', false);
}

// 1. Plugin-owned tables. AI Flash Tune Pro removes its own tables when it is uninstalled.
$aiflt_tables = [
    'aiflt_funnel_data',
    'aiflt_behavior_data',
    'aiflt_ai_usage_log',
    'aiflt_ai_report_log',
    'aiflt_change_log',
    'aiflt_product_copy_revisions',
    'aiflt_ab_test_ideas',
    'aiflt_recovery',
    'aiflt_recovery_optout',
    // Created by versions before 1.0.4.
    'aiflt_license_activations',
];
foreach ($aiflt_tables as $aiflt_table) {
    $wpdb->query("DROP TABLE IF EXISTS {$wpdb->prefix}{$aiflt_table}");
}

// 2. Every option and transient with the plugin's own "aiflt_" prefix, including
//    the monthly AI usage counters and the rate-limit transients.
$wpdb->query(
    $wpdb->prepare(
        "DELETE FROM {$wpdb->options} WHERE option_name LIKE %s OR option_name LIKE %s OR option_name LIKE %s",
        $wpdb->esc_like('aiflt_') . '%',
        $wpdb->esc_like('_transient_aiflt_') . '%',
        $wpdb->esc_like('_transient_timeout_aiflt_') . '%'
    )
);
// Each admin's answer to the one-time review request.
delete_metadata('user', 0, 'aiflt_review_ask', '', true);

// 3. The tracking session and traffic source stored on orders.
$aiflt_hpos_meta = $wpdb->prefix . 'wc_orders_meta';
$aiflt_has_hpos = $wpdb->get_var($wpdb->prepare('SHOW TABLES LIKE %s', $aiflt_hpos_meta)) === $aiflt_hpos_meta;
foreach (['_aiflt_session_id', '_aiflt_source', '_aiflt_review_due', '_aiflt_review_sent'] as $aiflt_meta_key) {
    $wpdb->query($wpdb->prepare("DELETE FROM {$wpdb->postmeta} WHERE meta_key = %s", $aiflt_meta_key));
    if ($aiflt_has_hpos) {
        $wpdb->query($wpdb->prepare("DELETE FROM {$aiflt_hpos_meta} WHERE meta_key = %s", $aiflt_meta_key));
    }
}

wp_cache_flush();