<?php

use Modules\Payment\Models\Payment;
use Modules\Payment\Models\Refund;

test('refundable balance is the full amount when nothing has been refunded yet', function () {
    $payment = Payment::factory()->completed()->create(['amount' => 15000]);

    expect($payment->refundableBalance())->toBe('15000.00');
});

test('refundable balance subtracts only completed refunds', function () {
    $payment = Payment::factory()->completed()->create(['amount' => 15000]);

    Refund::factory()->completed()->for($payment)->create(['amount' => 5000]);
    Refund::factory()->failed()->for($payment)->create(['amount' => 3000]);
    Refund::factory()->for($payment)->create(['amount' => 2000]); // default state is Pending

    expect($payment->refundableBalance())->toBe('10000.00');
});

test('refundable balance reaches zero once fully refunded', function () {
    $payment = Payment::factory()->completed()->create(['amount' => 15000]);

    Refund::factory()->completed()->for($payment)->create(['amount' => 15000]);

    expect($payment->refundableBalance())->toBe('0.00');
});