<?php

namespace OCA\MoneyPlanner\Migration;

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

class Version000002Date20260705000000 extends SimpleMigrationStep {

  /**
    * @param IOutput $output
    * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
    * @param array $options
    * @return null|ISchemaWrapper
   */
  public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
    /** @var ISchemaWrapper $schema */
    $schema = $schemaClosure();

    if (!$schema->hasTable('moneyplanner_transactions')) {
      $table = $schema->createTable('moneyplanner_transactions');
      $table->addColumn('id', 'integer', [
          'autoincrement' => true,
          'notnull' => true,
      ]);
      $table->addColumn('user_id', 'string', [
          'notnull' => true,
          'length' => 64
      ]);
      $table->addColumn('account_from', 'integer', [
          'notnull' => false
      ]);
      $table->addColumn('account_to', 'integer', [
          'notnull' => false
      ]);
      $table->addColumn('group', 'integer', [
          'notnull' => true
      ]);
      $table->addColumn('category', 'integer', [
          'notnull' => true
      ]);
      $table->addColumn('balance', 'decimal', [
          'notnull' => true,
          'length' => 65
      ]);
      $table->addColumn('date', 'date', [
          'notnull' => true
      ]);
      $table->addColumn('freq_num', 'integer', [
          'notnull' => false
      ]);
      $table->addColumn('freq_type', 'string', [
          'notnull' => true,
          'length' => 1
      ]);

      $table->setPrimaryKey(['id']);
      $table->addIndex(['user_id'], 'moneyplanner_transactions_user_id_index');
    } else {
      $table = $schema->getTable('moneyplanner_transactions');
      if ($table->hasIndex('moneyplanner_transactions_user_name_index')) {
        $table->dropIndex('moneyplanner_transactions_user_name_index');
      }
      if ($table->hasColumn('name')) {
        $table->dropColumn('name');
      }
    }

    return $schema;
  }
}