<?php

namespace App\Database\Migrations;

use CodeIgniter\Database\Migration;

class UpdatePlacementLevelRange extends Migration
{
    public function up()
    {
        if (!$this->db->tableExists('placement_levels')) {
            return;
        }

        $fields = $this->db->getFieldNames('placement_levels');
        if (!in_array('level', $fields, true)) {
            return;
        }

        $this->forge->modifyColumn('placement_levels', [
            'level' => ['type' => 'SMALLINT', 'constraint' => 3, 'unsigned' => true],
        ]);
    }

    public function down()
    {
        if (!$this->db->tableExists('placement_levels')) {
            return;
        }

        $fields = $this->db->getFieldNames('placement_levels');
        if (!in_array('level', $fields, true)) {
            return;
        }

        $this->forge->modifyColumn('placement_levels', [
            'level' => ['type' => 'TINYINT', 'constraint' => 1, 'unsigned' => true],
        ]);
    }
}