<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class Migration_Add_company_invoice_settings extends CI_Migration
{
    public function up()
    {
        if (!$this->db->table_exists('companies')) return;

        $columns = array(
            'phone' => array('type' => 'VARCHAR', 'constraint' => 60, 'null' => true, 'after' => 'address'),
            'email' => array('type' => 'VARCHAR', 'constraint' => 120, 'null' => true, 'after' => 'phone'),
            'logo_path' => array('type' => 'VARCHAR', 'constraint' => 255, 'null' => true, 'after' => 'email'),
        );
        foreach ($columns as $name => $definition) {
            if (!$this->db->field_exists($name, 'companies')) $this->dbforge->add_column('companies', array($name => $definition));
        }

        if (!$this->db->table_exists('company_bank_accounts')) {
            $this->db->query("CREATE TABLE `company_bank_accounts` (
                `id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
                `company_id` BIGINT UNSIGNED NOT NULL,
                `bank_name` VARCHAR(100) NOT NULL,
                `account_number` VARCHAR(100) NOT NULL,
                `account_holder` VARCHAR(150) NOT NULL,
                `currency` CHAR(3) NOT NULL DEFAULT 'IDR',
                `is_primary` TINYINT(1) NOT NULL DEFAULT 0,
                `is_active` TINYINT(1) NOT NULL DEFAULT 1,
                `created_at` DATETIME NOT NULL,
                `updated_at` DATETIME NULL,
                PRIMARY KEY (`id`),
                UNIQUE KEY `uq_company_bank_account` (`company_id`,`account_number`),
                KEY `idx_company_bank_active` (`company_id`,`is_active`,`is_primary`)
            ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4");
        }
    }

    public function down()
    {
        throw new RuntimeException('Pengaturan identitas dan rekening perusahaan dipertahankan.');
    }
}