<?php
/** Shared data lifecycle for the two independently installed editions. */
namespace Fqbpro\Plugin\Uninstall;
if (!defined('ABSPATH')) { exit; }
require_once __DIR__ . '/edition-identity.php';

function sibling_installed($edition, $directory = null, $current_plugin = null)
{
	$directory = $directory ?? WP_PLUGIN_DIR;
	$current_plugin = $current_plugin ?? (defined('WP_UNINSTALL_PLUGIN') ? WP_UNINSTALL_PLUGIN : \fqbp_known_plugins($edition)[0]);
	foreach (\fqbp_known_plugins() as $sibling) {
		if ($sibling !== $current_plugin && is_file(rtrim($directory, '/\\') . '/' . $sibling)) return true;
	}
	return false;
}

/** Called only by the guarded WordPress uninstall entrypoints. */
function uninstall_edition($edition)
{
	// Presence, not activation, protects settings during an edition switch.
	if (sibling_installed($edition)) return;
	if (!is_multisite()) { cleanup_site(); return; }
	foreach (get_sites(['fields' => 'ids', 'number' => 0]) as $site_id) {
		switch_to_blog((int) $site_id);
		try { cleanup_site(); } finally { restore_current_blog(); }
	}
}

/** Remove derived catalog data after the last edition is removed. */
function cleanup_site()
{
	global $wpdb;
	foreach (['fqbpro_catalog_process_queue', 'fqbpro_catalog_rebuild_dirty', 'fqbpro_catalog_reconcile', 'fqbpro_catalog_reconcile_batch', 'fqbpro_instances_scan', 'fqbpro_instances_scan_batch', 'fqbpro_v4_migrate_content'] as $hook) wp_clear_scheduled_hook($hook);
	foreach (['_fqbp_v4_filter_summary', '_fqbp_v4_filter_count', '_fqbp_v4_filter_reference', '_fqbp_v4_filter_scan_error', '_fqbp_v4_filter_fingerprint', '_fqbp_v4_migration_report', '_fqbpro_filter_summary', '_fqbpro_filter_count', '_fqbpro_filter_reference', '_fqbpro_v4_migration_report'] as $key) delete_post_meta_by_key($key);
	foreach ((array) get_option('fqbp_v4_catalog_schema_cache_keys', []) as $key) {
		if (is_string($key) && str_starts_with($key, 'fqbp_v4_acf_schema_')) delete_transient($key);
	}

	// Raw discovery caches may be backed by an external object cache. Delete known
	// keys through the transient API before discarding the tracked-source lists.
	$types = array_unique(array_merge((array) get_option('fqbp_v4_catalog_tracked_post_types', []), (array) get_option('fqbp_free_catalog_tracked_post_types', []), array_keys(get_post_types(['public' => true]))));
	foreach ($types as $type) if (is_string($type)) delete_transient('fqbp_v4_read_through_' . sanitize_key($type));
	foreach (['fqbp_v4_read_through_', 'fqbp_v4_acf_schema_', 'fqbp_v4_migration_preview_', 'fqbp_v4_restore_review_', 'fqbp_dict_'] as $prefix) {
		// Enumerate current transient names once during uninstall; cached results could leave data behind.
		// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
		$names = $wpdb->get_col($wpdb->prepare("SELECT option_name FROM {$wpdb->options} WHERE option_name LIKE %s", $wpdb->esc_like('_transient_' . $prefix) . '%'));
		foreach ($names as $name) delete_transient(substr($name, strlen('_transient_')));
	}
	if (function_exists('wp_cache_supports') && wp_cache_supports('flush_group')) wp_cache_flush_group('fqbp_dictionary');
	foreach ([
		'fqbp_catalog_exclusions', 'fqbp_free_catalog_tracked_post_types',
		'fqbp_v4_metadata_catalog', 'fqbp_v4_catalog_tracked_post_types', 'fqbp_v4_catalog_dirty_post_types',
		'fqbp_v4_catalog_index_schema_version', 'fqbp_v4_catalog_registration_signatures', 'fqbp_v4_catalog_reconciliation',
		'fqbp_v4_catalog_schema_generation', 'fqbp_v4_catalog_schema_cache_keys', 'fqbp_v4_catalog_reindex_jobs',
		'fqbp_v4_instance_scan', 'fqbp_v4_instance_scan_version', 'fqbp_v4_plugin_version',
		'fqbp_v4_maintenance', 'fqbp_v4_workers_paused', 'fqbp_v4_recovery_mode', 'fqbp_v4_deactivation', 'fqbp_v4_inventory_deactivated',
		'fqbp_v4_migration_state', 'fqbp_v4_content_migration_version', 'fqbp_v4_free_tracking_imported', 'fqbp_v4_legacy_cache_retired', 'fqbp_dictionary_cache_version',
		'fqbpro_metadata_catalog', 'fqbpro_catalog_tracked_post_types', 'fqbpro_catalog_dirty_post_types',
		'fqbpro_catalog_index_schema_version', 'fqbpro_catalog_registration_signatures', 'fqbpro_catalog_reconciliation',
		'fqbpro_instance_scan', 'fqbpro_plugin_version', 'fqbpro_v4_migration_state', 'fqbpro_content_migration_version',
	] as $option) delete_option($option);

	foreach (['fqbp_v4_catalog_', 'fqbpro_catalog_'] as $prefix) {
		foreach (['posts', 'terms', 'meta_values', 'queue'] as $suffix) {
			$table = $wpdb->prefix . $prefix . $suffix;
			// Remove only this plugin's derived tables when the final edition is uninstalled.
			// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.SchemaChange
			$wpdb->query($wpdb->prepare('DROP TABLE IF EXISTS %i', $table));
		}
	}
	// Saved blocks, migration content backups and commercial license options are
	// intentionally retained. Uninstall never contacts the licensing service.
}