<?php

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

/**
 * Return WordPress user IDs for transient cleanup.
 *
 * @return int[]
 */
function wteam_executor_uninstall_get_user_ids() {
    $args = [
        'fields' => 'ID',
    ];

    if ( is_multisite() ) {
        $args['blog_id'] = 0;
    }

    $user_ids = get_users( $args );
    if ( ! is_array( $user_ids ) ) {
        return [];
    }

    return array_map( 'intval', $user_ids );
}

/**
 * Remove Executor data from the current site.
 *
 * @param int[] $user_ids WordPress user IDs.
 * @return void
 */
function wteam_executor_uninstall_cleanup_site( $user_ids ) {
    delete_option( 'wteam_executor_settings' );

    foreach ( $user_ids as $user_id ) {
        delete_transient( 'wteam_executor_codex_models_' . (int) $user_id );
    }
}

$wteam_executor_user_ids = wteam_executor_uninstall_get_user_ids();

if ( is_multisite() ) {
    $wteam_executor_site_ids = get_sites(
        [
            'fields' => 'ids',
            'number' => 0,
        ]
    );

    foreach ( $wteam_executor_site_ids as $wteam_executor_site_id ) {
        switch_to_blog( (int) $wteam_executor_site_id );
        wteam_executor_uninstall_cleanup_site( $wteam_executor_user_ids );
        restore_current_blog();
    }

    delete_site_option( 'wteam_executor_settings' );
} else {
    wteam_executor_uninstall_cleanup_site( $wteam_executor_user_ids );
}

// ChatGPT connection state is stored in user meta and shared network-wide.
delete_metadata( 'user', 0, '_wteam_executor_chatgpt_auth', '', true );
delete_metadata( 'user', 0, '_wteam_executor_chatgpt_pending', '', true );