<?php

declare(strict_types=1);

namespace OCA\WorkflowDeckAutomation\Migration;

use Closure;
use OCP\DB\ISchemaWrapper;
use OCP\Migration\IOutput;
use OCP\Migration\SimpleMigrationStep;

/**
 * Drops the assigned-user and label filters. Workflows that had one keep
 * running, now unfiltered — that was an explicit product decision.
 *
 * The columns have to go rather than just be ignored: Entity::fromRow()
 * calls a setter for every selected column, and the Workflow entity no
 * longer has these properties.
 */
class Version1001Date20260930120000 extends SimpleMigrationStep {
	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
		/** @var ISchemaWrapper $schema */
		$schema = $schemaClosure();

		if (!$schema->hasTable('wfda_workflows')) {
			return null;
		}

		$table = $schema->getTable('wfda_workflows');
		$changed = false;
		foreach (['filter_user_ids', 'filter_label_ids'] as $column) {
			if ($table->hasColumn($column)) {
				$table->dropColumn($column);
				$changed = true;
			}
		}

		return $changed ? $schema : null;
	}
}