<?php
declare(strict_types=1);

namespace Unsupervised\Schedular\Tests\Unit\Payment;

use Brain\Monkey\Functions;
use Mockery;
use Unsupervised\Schedular\Payment\BillingMethodResolver;
use Unsupervised\Schedular\Payment\Payment;
use Unsupervised\Schedular\Payment\StudioSettings;
use Unsupervised\Schedular\Tests\Unit\TestCase;

class BillingMethodResolverTest extends TestCase
{
    public function testPerStudentOverrideWins(): void
    {
        Functions\when('get_user_meta')->justReturn(Payment::METHOD_COMP);

        $settings = Mockery::mock(StudioSettings::class);
        $resolver = new BillingMethodResolver($settings);

        self::assertSame(Payment::METHOD_COMP, $resolver->resolve(5));
    }

    public function testDefaultsToCardWhenStripeConfiguredAndCardChosen(): void
    {
        Functions\when('get_user_meta')->justReturn('');

        $resolver = new BillingMethodResolver(
            $this->settings(Payment::METHOD_CARD, true)
        );

        self::assertSame(Payment::METHOD_CARD, $resolver->resolve(5));
    }

    public function testDefaultsToEtransferWhenStripeNotConfigured(): void
    {
        Functions\when('get_user_meta')->justReturn('');

        $resolver = new BillingMethodResolver(
            $this->settings(Payment::METHOD_CARD, false)
        );

        self::assertSame(Payment::METHOD_ETRANSFER, $resolver->resolve(5));
        self::assertSame(Payment::METHOD_ETRANSFER, $resolver->defaultMethod());
    }

    public function testEtransferDefaultHoldsEvenWhenStripeIsLive(): void
    {
        Functions\when('get_user_meta')->justReturn('');

        $resolver = new BillingMethodResolver(
            $this->settings(Payment::METHOD_ETRANSFER, true)
        );

        self::assertSame(Payment::METHOD_ETRANSFER, $resolver->resolve(5));
        self::assertSame(Payment::METHOD_ETRANSFER, $resolver->defaultMethod());
    }

    public function testPerStudentCardOverrideStillWinsUnderAnEtransferDefault(): void
    {
        // The trial path: the studio bills by e-transfer, one student is moved to
        // card to prove Stripe end to end.
        Functions\when('get_user_meta')->justReturn(Payment::METHOD_CARD);

        $resolver = new BillingMethodResolver(
            $this->settings(Payment::METHOD_ETRANSFER, true)
        );

        self::assertSame(Payment::METHOD_CARD, $resolver->resolve(5));
    }

    public function testInvalidOverrideFallsBackToDefault(): void
    {
        Functions\when('get_user_meta')->justReturn('bogus');

        $resolver = new BillingMethodResolver(
            $this->settings(Payment::METHOD_CARD, true)
        );

        self::assertSame(Payment::METHOD_CARD, $resolver->resolve(5));
    }

    private function settings(string $default, bool $stripeConfigured): StudioSettings
    {
        $settings = Mockery::mock(StudioSettings::class);
        $settings->shouldReceive('defaultPaymentMethod')->andReturn($default);
        $settings->shouldReceive('isStripeConfigured')->andReturn($stripeConfigured);

        return $settings;
    }
}