<?php
/**
 * Clusterlane — remove everything the plugin stores (1.2.0: shared by both builds).
 *
 * Free (WordPress.org): uninstall.php calls clusterlane_uninstall_data().
 * Pro (Freemius): there is no uninstall.php — Freemius runs its own uninstall
 * hook and then fires after_uninstall, which calls clusterlane_uninstall_data()
 * (see pro__premium_only/freemius-init.php).
 *
 * Removes tables, options, transients, post meta, scheduled events and the
 * capabilities added to roles; on multisite for every site, plus the
 * network-wide AI settings. Deactivating does NOT run this.
 */

if ( ! defined( 'ABSPATH' ) ) exit;

if ( ! function_exists( 'clusterlane_uninstall_data' ) ) {

    /**
     * @param string $self Basename of the copy being deleted (e.g. clusterlane/clusterlane.php).
     */
    function clusterlane_uninstall_data( string $self ): void {
        /*
         * Never wipe data that another active copy of Clusterlane is using: the free
         * version and Pro (its own folder, clusterlane-premium) share tables and
         * settings.
         */
        $active = array_merge(
            (array) get_option( 'active_plugins', [] ),
            is_multisite() ? array_keys( (array) get_site_option( 'active_sitewide_plugins', [] ) ) : []
        );
        foreach ( $active as $plugin ) {
            if ( $plugin !== $self && preg_match( '#(^|/)clusterlane\.php$#', (string) $plugin ) ) {
                return; // another Clusterlane is active — keep everything
            }
        }

        if ( is_multisite() ) {
            delete_site_option( 'clusterlane_network_ai' ); // network-wide AI key and policy
            foreach ( get_sites( [ 'fields' => 'ids', 'number' => 0 ] ) as $site_id ) {
                switch_to_blog( (int) $site_id );
                clusterlane_uninstall_data_site();
                restore_current_blog();
            }
        } else {
            clusterlane_uninstall_data_site();
        }
    }

    /**
     * Remove Clusterlane's data from the current site (switch_to_blog() first on
     * multisite). Table names are listed explicitly, so a name collision can
     * never drop unrelated tables.
     */
    function clusterlane_uninstall_data_site(): void {
        global $wpdb;

        // 1. Tables.
        foreach ( [ 'clusterlane_links', 'clusterlane_clusters', 'clusterlane_post_metrics', 'clusterlane_ai_cache', 'clusterlane_custom_members', 'clusterlane_tms_skipped', 'clusterlane_cluster_post_class', 'clusterlane_snapshots', 'clusterlane_activity' ] as $bare ) {
            $table = $wpdb->prefix . $bare;
            $wpdb->query( $wpdb->prepare( 'DROP TABLE IF EXISTS %i', $table ) ); // phpcs:ignore WordPress.DB.DirectDatabaseQuery -- removing the plugin's own tables on uninstall
        }

        // 2. Options.
        foreach ( [ 'clusterlane_settings', 'clusterlane_db_version', 'clusterlane_caps_version', 'clusterlane_ai_usage', 'clusterlane_chosen_pillars', 'clusterlane_cluster_sections', 'clusterlane_cluster_groups', 'clusterlane_data_version', 'clusterlane_last_snapshot', 'clusterlane_render_log', 'clusterlane_page_queue', 'clusterlane_page_lock', 'clusterlane_hub_relations', 'clusterlane_migrated', 'clusterlane_migrating' ] as $option ) {
            delete_option( $option );
        }

        // 3. Transients: undo data for SEO fields and applied links (30 minutes each).
        $wpdb->query( // phpcs:ignore WordPress.DB.DirectDatabaseQuery
            "DELETE FROM {$wpdb->options}
             WHERE option_name LIKE '\\_transient\\_clusterlane\\_%' OR option_name LIKE '\\_transient\\_timeout\\_clusterlane\\_%'"
        );

        // 4. Post meta: the draft marker from Gap Analysis and the Elementor
        //    backup written before Clusterlane changed an Elementor page.
        foreach ( [ '_clusterlane_gap_cluster', '_clusterlane_elementor_backup', '_clusterlane_seo_check', '_clusterlane_seo_check_min', '_clusterlane_seo_original', '_clusterlane_page_stats' ] as $meta_key ) {
            delete_post_meta_by_key( $meta_key );
        }

        // 5. The daily snapshot event.
        wp_clear_scheduled_hook( 'clusterlane_daily_snapshot' );
        wp_clear_scheduled_hook( 'clusterlane_read_pages' );

        // 6. Capabilities added to roles (roles are stored per site).
        foreach ( wp_roles()->role_objects as $role ) {
            $role->remove_cap( 'manage_clusterlane' );
            $role->remove_cap( 'use_clusterlane' );
            $role->remove_cap( 'use_clusterlane_ai' );
            $role->remove_cap( 'clusterlane_add_links' );
            $role->remove_cap( 'clusterlane_write_seo' );
        }
    }
}