<?php

namespace App\Tests\ClinicService;

use App\ClinicService\Entity\ServiceBranchOverride;
use App\ClinicService\Entity\ServiceItem;
use App\ClinicService\Entity\ServiceSection;
use App\ClinicService\Service\ResourceServiceResolver;
use App\ClinicService\ValueObject\ResolvedServiceSpec;
use App\Clinic\Entity\Clinic;
use App\Doctor\Entity\DoctorAddress;
use App\Resource\Entity\ClinicResource;
use App\Resource\Entity\ResourceServiceOffering;
use App\Resource\Entity\ResourceType;
use App\Tests\ApiTestCase;

/**
 * زنجیرهٔ حل مدت و قیمت: منبع+گزینه → منبع+سرویس → شعبه → پیش‌فرض آیتم.
 *
 * هر تست یک سطح را تنها می‌گذارد تا معلوم شود همان سطح برنده شده، نه سطحی که تصادفاً
 * مقدار مشابه داشته.
 */
class ResourceServiceResolverTest extends ApiTestCase
{
    private ResourceServiceResolver $resolver;
    private DoctorAddress $address;
    private ClinicResource $resource;
    private ServiceItem $service;
    private ServiceItem $option;

    protected function setUp(): void
    {
        parent::setUp();

        // resolver مستقیم ساخته می‌شود، نه از کانتینر: سرویس‌های اپ private اند و
        // عمومی‌کردنشان فقط برای تست، پیکربندی را به‌خاطر تست خم می‌کند.
        $this->resolver = new ResourceServiceResolver(
            $this->em->getRepository(ResourceServiceOffering::class),
            $this->em->getRepository(ServiceBranchOverride::class),
        );

        $user   = $this->createUser(['ROLE_USER', 'ROLE_CLINIC']);
        $clinic = new Clinic($user);
        $clinic->setName('کلینیک زنجیره');
        $this->em->persist($clinic);
        $this->em->flush();

        $this->address = DoctorAddress::forClinic($clinic->getId());
        $this->address->setName('شعبهٔ مرکزی');
        $this->em->persist($this->address);

        $type = new ResourceType('clinic', (int) $clinic->getId(), 'device', 'دستگاه');
        $this->em->persist($type);
        $this->em->flush();

        $this->resource = new ClinicResource($this->address, $type, 'لیزر دایود');
        $this->em->persist($this->resource);

        $section = new ServiceSection('clinic', (int) $clinic->getId(), 'لیزر');
        $this->em->persist($section);
        $this->em->flush();

        // سرویسِ والد «لیزر» و گزینهٔ «پا» — هر دو ServiceItem اند، همان مدل کاتالوگ.
        $this->service = new ServiceItem($section, 'لیزر', 10_000_000);
        $this->service->setDurationMinutes(60);
        $this->em->persist($this->service);

        $this->option = new ServiceItem($section, 'لیزر پا', 8_000_000);
        $this->option->setDurationMinutes(30);
        $this->em->persist($this->option);
        $this->em->flush();
    }

    private function offer(ServiceItem $item, ?int $minutes, ?int $price, bool $active = true): ResourceServiceOffering
    {
        $offering = new ResourceServiceOffering($this->resource, $item);
        $offering->setDurationMinutes($minutes)->setPriceRials($price)->setActive($active);
        $this->em->persist($offering);
        $this->em->flush();

        return $offering;
    }

    private function branchOverride(ServiceItem $item, ?int $minutes): void
    {
        $override = new ServiceBranchOverride($item, $this->address);
        $override->setSoloDurationMinutes($minutes);
        $this->em->persist($override);
        $this->em->flush();
    }

    private function resolve(): ResolvedServiceSpec
    {
        return $this->resolver->resolve($this->resource, $this->option, $this->address, $this->service);
    }

    // ── ✅ هر سطح، تنها ──────────────────────────────────────────────────────

    public function testLevelOneResourcePlusOptionWins(): void
    {
        $this->offer($this->option, 15, 9_500_000);
        $this->offer($this->service, 40, 12_000_000);
        $this->branchOverride($this->option, 50);

        $spec = $this->resolve();

        self::assertSame(15, $spec->durationMinutes);
        self::assertSame(9_500_000, $spec->priceRials);
        self::assertSame(ResolvedServiceSpec::SOURCE_RESOURCE_OPTION, $spec->durationSource);
        self::assertSame(ResolvedServiceSpec::SOURCE_RESOURCE_OPTION, $spec->priceSource);
    }

    public function testLevelTwoResourcePlusServiceWinsWhenTheOptionHasNothing(): void
    {
        $this->offer($this->service, 40, 12_000_000);
        $this->branchOverride($this->option, 50);

        $spec = $this->resolve();

        self::assertSame(40, $spec->durationMinutes);
        self::assertSame(12_000_000, $spec->priceRials);
        self::assertSame(ResolvedServiceSpec::SOURCE_RESOURCE_SERVICE, $spec->durationSource);
    }

    /** شعبه فقط مدت می‌دهد؛ قیمتش را از خودِ سرویس می‌گیرد. */
    public function testLevelThreeBranchWinsForDurationOnly(): void
    {
        $this->branchOverride($this->option, 50);

        $spec = $this->resolve();

        self::assertSame(50, $spec->durationMinutes);
        self::assertSame(ResolvedServiceSpec::SOURCE_BRANCH, $spec->durationSource);
        self::assertSame(8_000_000, $spec->priceRials);
        self::assertSame(ResolvedServiceSpec::SOURCE_SERVICE_DEFAULT, $spec->priceSource);
    }

    public function testLevelFourFallsBackToTheItemItself(): void
    {
        $spec = $this->resolve();

        self::assertSame(30, $spec->durationMinutes);
        self::assertSame(8_000_000, $spec->priceRials);
        self::assertSame(ResolvedServiceSpec::SOURCE_SERVICE_DEFAULT, $spec->durationSource);
        self::assertSame(ResolvedServiceSpec::SOURCE_SERVICE_DEFAULT, $spec->priceSource);
    }

    // ── ⚠️ مرزی ──────────────────────────────────────────────────────────────

    public function testDurationAndPriceResolveIndependently(): void
    {
        // منبع فقط مدت را می‌گوید؛ قیمت باید تا خودِ سرویس پایین برود.
        $this->offer($this->option, 15, null);
        $this->branchOverride($this->option, null);

        $spec = $this->resolve();

        self::assertSame(15, $spec->durationMinutes);
        self::assertSame(ResolvedServiceSpec::SOURCE_RESOURCE_OPTION, $spec->durationSource);

        self::assertSame(8_000_000, $spec->priceRials);
        self::assertSame(ResolvedServiceSpec::SOURCE_SERVICE_DEFAULT, $spec->priceSource);
    }

    public function testAnInactiveOfferingIsSkippedEntirely(): void
    {
        // ردیف هست ولی خاموش: «این منبع فعلاً این را نمی‌دهد» یعنی اعدادش هم خوانده نمی‌شوند.
        $this->offer($this->option, 15, 9_500_000, active: false);

        $spec = $this->resolve();

        self::assertSame(30, $spec->durationMinutes);
        self::assertSame(8_000_000, $spec->priceRials);
        self::assertSame(ResolvedServiceSpec::SOURCE_SERVICE_DEFAULT, $spec->durationSource);
    }

    public function testAFreeServiceKeepsItsZeroInsteadOfInheriting(): void
    {
        // صفر مقدار واقعی است، نه «حرفی ندارم» — وگرنه سرویس رایگان قیمت سرویس والد را می‌گرفت.
        $this->offer($this->option, null, 0);

        $spec = $this->resolve();

        self::assertSame(0, $spec->priceRials);
        self::assertSame(ResolvedServiceSpec::SOURCE_RESOURCE_OPTION, $spec->priceSource);
    }

    public function testResolvingTheServiceItselfNeedsNoParent(): void
    {
        $this->offer($this->service, 45, 13_000_000);

        $spec = $this->resolver->resolve($this->resource, $this->service, $this->address);

        self::assertSame(45, $spec->durationMinutes);
        self::assertSame(13_000_000, $spec->priceRials);
        self::assertSame(ResolvedServiceSpec::SOURCE_RESOURCE_OPTION, $spec->durationSource);
    }
}