<?php
/**
 * Cleanup on plugin deletion: the settings (with the keys), the visitor texts, the payments and
 * their history, the paid-content index, the log, the locks and the scheduled checks — on every
 * site of a network.
 *
 * @package CryptowayButton
 */

defined( 'WP_UNINSTALL_PLUGIN' ) || exit;

/** Everything the plugin keeps on one site. */
function cryptoway_button_uninstall_site(): void {
    foreach ( [
        'cryptoway_button_settings',
        'cryptoway_button_texts',
        'cryptoway_button_log',
        'cryptoway_button_callback_key_attempt',
        'cryptoway_button_webhook_form',
        'cryptoway_button_has_paid',
        'cryptoway_button_paid_media',
        'cryptoway_button_paid_scan',
        'cryptoway_button_paid_scan_at',
        'cryptoway_button_paid_index',
        'cryptoway_button_ip_refused',
    ] as $option ) {
        delete_option( $option );
    }

    foreach ( [
        'cryptoway_button_clock_skew',
        'cryptoway_button_symbols',
        'cryptoway_button_symbols_tried',
        'cryptoway_button_notice',
        'cryptoway_button_webhook_stale',
        'cryptoway_button_webhook_bad',
        'cryptoway_button_webhook_nokey',
        'cryptoway_button_webhook_busy',
    ] as $transient ) {
        delete_transient( $transient );
    }

    wp_unschedule_hook( 'cryptoway_button_sync' );
    wp_unschedule_hook( 'cryptoway_button_deadline' );
    wp_unschedule_hook( 'cryptoway_button_access_mail' );

    // The payments: hidden posts of the plugin's own type, meta included.
    $ids = get_posts( [
        'post_type'      => 'cwbtn_payment',
        'post_status'    => 'any',
        'posts_per_page' => -1,
        'fields'         => 'ids',
        'no_found_rows'  => true,
    ] );

    foreach ( $ids as $id ) {
        wp_delete_post( (int) $id, true );
    }

    // The searchable copies and media lists kept on posts with paid content.
    delete_post_meta_by_key( '_cryptoway_button_public_content' );
    delete_post_meta_by_key( '_cryptoway_button_paid_media' );

    global $wpdb;

    // Locks left by a crash, the rate-limit and cool-down counters, the remembered paid content.
    $wpdb->query( // phpcs:ignore WordPress.DB.DirectDatabaseQuery
        "DELETE FROM {$wpdb->options}
          WHERE option_name LIKE 'cryptoway\\_button\\_lock\\_%'
             OR option_name LIKE 'cryptoway\\_button\\_paid\\_%'
             OR option_name LIKE '\\_transient\\_cryptoway\\_button\\_rate\\_%'
             OR option_name LIKE '\\_transient\\_timeout\\_cryptoway\\_button\\_rate\\_%'
             OR option_name LIKE '\\_transient\\_cryptoway\\_button\\_recover\\_%'
             OR option_name LIKE '\\_transient\\_timeout\\_cryptoway\\_button\\_recover\\_%'"
    );
}

if ( is_multisite() ) {
    foreach ( get_sites( [ 'fields' => 'ids', 'number' => 0 ] ) as $cryptoway_button_site ) {
        switch_to_blog( (int) $cryptoway_button_site );
        cryptoway_button_uninstall_site();
        restore_current_blog();
    }
} else {
    cryptoway_button_uninstall_site();
}