<?php

namespace App\Database\Migrations;

use CodeIgniter\Database\Migration;

class RenameApprovedByToProcessedBy extends Migration
{
    public function up()
    {
        if ($this->db->fieldExists('approved_by', 'employees') && ! $this->db->fieldExists('processed_by', 'employees')) {
            $this->forge->modifyColumn('employees', [
                'approved_by' => [
                    'name'       => 'processed_by',
                    'type'       => 'VARCHAR',
                    'constraint' => 50,
                    'null'       => true,
                    'default'    => null,
                    'comment'    => 'Processor role: HR / ACM (approve or reject)',
                ],
            ]);
        }

        if ($this->db->fieldExists('approved_by', 'employee_polices') && ! $this->db->fieldExists('processed_by', 'employee_polices')) {
            $this->forge->modifyColumn('employee_polices', [
                'approved_by' => [
                    'name'       => 'processed_by',
                    'type'       => 'VARCHAR',
                    'constraint' => 50,
                    'null'       => true,
                    'default'    => null,
                    'comment'    => 'Processor role: HR / ACM (approve or reject)',
                ],
            ]);
        }
    }

    public function down()
    {
        if ($this->db->fieldExists('processed_by', 'employees') && ! $this->db->fieldExists('approved_by', 'employees')) {
            $this->forge->modifyColumn('employees', [
                'processed_by' => [
                    'name'       => 'approved_by',
                    'type'       => 'VARCHAR',
                    'constraint' => 50,
                    'null'       => true,
                    'default'    => null,
                    'comment'    => 'Approver role: HR / ACM',
                ],
            ]);
        }

        if ($this->db->fieldExists('processed_by', 'employee_polices') && ! $this->db->fieldExists('approved_by', 'employee_polices')) {
            $this->forge->modifyColumn('employee_polices', [
                'processed_by' => [
                    'name'       => 'approved_by',
                    'type'       => 'VARCHAR',
                    'constraint' => 50,
                    'null'       => true,
                    'default'    => null,
                    'comment'    => 'Approver role: HR / ACM',
                ],
            ]);
        }
    }
}