<?php

namespace App\Database\Migrations;

use CodeIgniter\Database\Migration;

class AddEnrollmentExceptionFamilyStudentIds extends Migration
{
    public function up(): void
    {
        if (! $this->db->tableExists('enrollment_exceptions')) {
            return;
        }

        if ($this->db->fieldExists('family_student_ids_json', 'enrollment_exceptions')) {
            return;
        }

        $this->forge->addColumn('enrollment_exceptions', [
            'family_student_ids_json' => [
                'type' => 'TEXT',
                'null' => true,
                'after' => 'bypassed_rule_codes_json',
            ],
        ]);
    }

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

        if ($this->db->fieldExists('family_student_ids_json', 'enrollment_exceptions')) {
            $this->forge->dropColumn('enrollment_exceptions', 'family_student_ids_json');
        }
    }
}