<?php

declare(strict_types=1);

/**
 * -------------------------------------------------------------------------
 * UrBackup plugin for GLPI
 * -------------------------------------------------------------------------
 */

use GlpiPlugin\Urbackup\Profile;

if (!defined('GLPI_ROOT')) {
    die(__('Sorry. You cannot access this file directly.', 'urbackup'));
}

require_once __DIR__ . '/install.php';

/**
 * Remove the UrBackup capacity reference from Asset Definitions.
 *
 * When the plugin is uninstalled, the `UrBackupCapacity` class no longer exists,
 * but its reference may remain stored in the `capacities` JSON column of
 * `glpi_assetdefinitions`. GLPI core safely ignores such orphaned capacities,
 * but we clean them up so the database does not keep stale references.
 *
 * @param Migration $migration Migration instance
 *
 * @return void
 */
function plugin_urbackup_uninstall_cleanup_capacities(Migration $migration, \DBmysql $db): void
{
    $capacity_class = \GlpiPlugin\Urbackup\Capacity\UrBackupCapacity::class;
    $table = 'glpi_assetdefinitions';

    if (!$db->tableExists($table)) {
        return;
    }

    foreach ($db->request(['FROM' => $table, 'WHERE' => ['capacities' => ['<>' => '[]']]]) as $row) {
        $decoded = json_decode((string) $row['capacities'], true);
        if (!is_array($decoded)) {
            continue;
        }

        $filtered = array_values(array_filter($decoded, static function ($spec) use ($capacity_class): bool {
            return is_array($spec) && (string) ($spec['name'] ?? '') !== $capacity_class;
        }));

        if (count($filtered) === count($decoded)) {
            continue;
        }

        $db->update($table, [
            'capacities' => json_encode($filtered),
        ], ['id' => (int) $row['id']]);
    }

    $migration->displayMessage(__('UrBackup capacity removed from asset definitions', 'urbackup'));
}

/**
 * Uninstall plugin.
 *
 * @return bool
 */
function plugin_urbackup_uninstall_process(): bool
{
    $migration = new Migration(PLUGIN_URBACKUP_VERSION);

    $migration->displayMessage(__('UrBackup plugin uninstallation', 'urbackup'));

    Profile::uninstallRights();

    global $DB;
    plugin_urbackup_uninstall_cleanup_capacities($migration, $DB);

    plugin_urbackup_migration_drop_table($migration, 'glpi_plugin_urbackup_profiles');
    plugin_urbackup_migration_drop_table($migration, 'glpi_plugin_urbackup_serverassets');
    plugin_urbackup_migration_drop_table($migration, 'glpi_plugin_urbackup_servers');
    plugin_urbackup_migration_drop_table($migration, 'glpi_plugin_urbackup_assettypes');
    plugin_urbackup_migration_drop_table($migration, 'glpi_plugin_urbackup_configs');

    $migration->executeMigration();

    return true;
}