<?php

namespace Tests\Unit;

use App\Utilities\FinanceLedgerAccountType;
use PHPUnit\Framework\TestCase;

class FinanceLedgerAccountTypeTest extends TestCase
{
    public function test_bank_account_types_use_the_last_four_digits_of_the_account_number(): void
    {
        foreach (FinanceLedgerAccountType::BANK_ACCOUNT_TYPES as $type) {
            $this->assertSame('5678', FinanceLedgerAccountType::last4($type, '6222-1234 5678', '0000'));
        }
    }

    public function test_alipay_always_uses_a_slash(): void
    {
        $this->assertSame('/', FinanceLedgerAccountType::last4('支付宝', 'alipay@example.com', '1234'));
    }

    public function test_other_types_keep_the_fallback_when_no_bank_last_four_can_be_derived(): void
    {
        $this->assertSame('1234', FinanceLedgerAccountType::last4('其他', 'alipay@example.com', '1234'));
        $this->assertSame('/', FinanceLedgerAccountType::last4('公户', '123', ''));
    }
}