<?php

namespace App\Tests\Treatment;

use App\Clinic\Entity\Clinic;
use App\ClinicService\Entity\ServiceItem;
use App\ClinicService\Entity\ServiceSection;
use App\Doctor\Entity\Doctor;
use App\Doctor\Entity\DoctorAddress;
use App\Staff\Entity\ClinicStaff;
use App\Tests\ApiTestCase;
use App\Treatment\Entity\TreatmentProtocol;

class TreatmentProtocolTest extends ApiTestCase
{
    private function clinicWithService(): array
    {
        $user   = $this->createUser(['ROLE_USER', 'ROLE_CLINIC']);
        $clinic = new Clinic($user);
        $clinic->setName('کلینیک زیبایی آزمون');
        $this->em->persist($clinic);
        $this->em->flush();

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

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

        $service = new ServiceItem($section, 'لیزر فول بادی', 10_000_000);
        $this->em->persist($service);
        $this->em->flush();

        return [$user, $clinic, $service, $address];
    }

    private function staffFor(Clinic $clinic, string $name): ClinicStaff
    {
        $staff = new ClinicStaff('clinic', (int) $clinic->getId(), $name);
        $this->em->persist($staff);
        $this->em->flush();

        return $staff;
    }

    private function doctorIn(Clinic $clinic): Doctor
    {
        $user   = $this->createUser(['ROLE_USER', 'ROLE_DOCTOR']);
        $doctor = new Doctor($user, 'دکتر ناظر');
        $doctor->setMobileNumber($user->getMobileNumber());
        $this->em->persist($doctor);
        $this->em->flush();

        $clinic->getDoctors()->add($doctor);
        $this->em->flush();

        return $doctor;
    }

    /** سناریوی بوتاکس: جلسه ۲ بعد از ۱۵ روز، بقیه ماهانه — فاصلهٔ ثابت این را نمی‌گیرد. */
    public function testProtocolWithUnevenIntervalsIsStoredAndReadBack(): void
    {
        [$user, $clinic, $service] = $this->clinicWithService();
        $staff      = $this->staffFor($clinic, 'اپراتور یک');
        $supervisor = $this->doctorIn($clinic);
        $uri        = '/api/v1/service-item/' . $service->getUuid() . '/treatment-protocol';

        $body = $this->authJson('PUT', $uri, $user, [
            'supervisor_doctor_uuid' => $supervisor->getUuid(),
            'staff_uuids'            => [$staff->getUuid()],
            'steps'                  => [
                ['step_number' => 1, 'offset_days' => 0],
                ['step_number' => 2, 'offset_days' => 15],
                ['step_number' => 3, 'offset_days' => 30],
                ['step_number' => 4, 'offset_days' => 30],
            ],
        ]);

        self::assertSame(200, $this->responseCode(), json_encode($body, JSON_UNESCAPED_UNICODE));
        self::assertSame(4, $body['data']['total_sessions']);
        self::assertSame([0, 15, 30, 30], array_column($body['data']['steps'], 'offset_days'));
        self::assertSame($supervisor->getUuid(), $body['data']['supervisor']['uuid']);
        self::assertSame([$staff->getUuid()], array_column($body['data']['staff'], 'uuid'));

        $read = $this->authJson('GET', $uri, $user);
        self::assertSame([0, 15, 30, 30], array_column($read['data']['steps'], 'offset_days'));
    }

    /** سرویس بدون پروتکل یعنی سوییچ خاموش، نه «پیدا نشد». */
    public function testServiceWithoutProtocolReturnsNull(): void
    {
        [$user, , $service] = $this->clinicWithService();

        $body = $this->authJson('GET', '/api/v1/service-item/' . $service->getUuid() . '/treatment-protocol', $user);

        self::assertSame(200, $this->responseCode());
        self::assertNull($body['data']);
    }

    public function testReplacingAProtocolDropsTheOldSteps(): void
    {
        [$user, $clinic, $service] = $this->clinicWithService();
        $staff = $this->staffFor($clinic, 'اپراتور یک');
        $uri   = '/api/v1/service-item/' . $service->getUuid() . '/treatment-protocol';

        $this->authJson('PUT', $uri, $user, [
            'staff_uuids' => [$staff->getUuid()],
            'steps'       => [
                ['step_number' => 1, 'offset_days' => 0],
                ['step_number' => 2, 'offset_days' => 30],
                ['step_number' => 3, 'offset_days' => 30],
            ],
        ]);

        $body = $this->authJson('PUT', $uri, $user, [
            'staff_uuids' => [$staff->getUuid()],
            'steps'       => [
                ['step_number' => 1, 'offset_days' => 0],
                ['step_number' => 2, 'offset_days' => 21],
            ],
        ]);

        self::assertSame(200, $this->responseCode(), json_encode($body, JSON_UNESCAPED_UNICODE));
        self::assertSame(2, $body['data']['total_sessions']);
        self::assertSame([0, 21], array_column($body['data']['steps'], 'offset_days'));
    }

    public function testDeleteTurnsTheSwitchOff(): void
    {
        [$user, $clinic, $service] = $this->clinicWithService();
        $staff = $this->staffFor($clinic, 'اپراتور یک');
        $uri   = '/api/v1/service-item/' . $service->getUuid() . '/treatment-protocol';

        $this->authJson('PUT', $uri, $user, [
            'staff_uuids' => [$staff->getUuid()],
            'steps'       => [
                ['step_number' => 1, 'offset_days' => 0],
                ['step_number' => 2, 'offset_days' => 30],
            ],
        ]);

        $this->authJson('DELETE', $uri, $user);
        self::assertSame(200, $this->responseCode());

        $body = $this->authJson('GET', $uri, $user);
        self::assertNull($body['data']);
    }

    /** یک گام یعنی سرویس تک‌جلسه‌ای — یعنی سوییچ اصلاً نباید روشن می‌شد. */
    public function testSingleStepProtocolIsRejected(): void
    {
        [$user, $clinic, $service] = $this->clinicWithService();
        $staff = $this->staffFor($clinic, 'اپراتور یک');

        $body = $this->authJson('PUT', '/api/v1/service-item/' . $service->getUuid() . '/treatment-protocol', $user, [
            'staff_uuids' => [$staff->getUuid()],
            'steps'       => [['step_number' => 1, 'offset_days' => 0]],
        ]);

        self::assertSame(422, $this->responseCode());
        self::assertSame('steps', $body['errors'][0]['field']);
    }

    public function testFirstStepMustHaveZeroOffset(): void
    {
        [$user, $clinic, $service] = $this->clinicWithService();
        $staff = $this->staffFor($clinic, 'اپراتور یک');

        $body = $this->authJson('PUT', '/api/v1/service-item/' . $service->getUuid() . '/treatment-protocol', $user, [
            'staff_uuids' => [$staff->getUuid()],
            'steps'       => [
                ['step_number' => 1, 'offset_days' => 10],
                ['step_number' => 2, 'offset_days' => 30],
            ],
        ]);

        self::assertSame(422, $this->responseCode());
        self::assertSame('offset_days', $body['errors'][0]['field']);
    }

    public function testLaterStepsNeedAPositiveOffset(): void
    {
        [$user, $clinic, $service] = $this->clinicWithService();
        $staff = $this->staffFor($clinic, 'اپراتور یک');

        $body = $this->authJson('PUT', '/api/v1/service-item/' . $service->getUuid() . '/treatment-protocol', $user, [
            'staff_uuids' => [$staff->getUuid()],
            'steps'       => [
                ['step_number' => 1, 'offset_days' => 0],
                ['step_number' => 2, 'offset_days' => 0],
            ],
        ]);

        self::assertSame(422, $this->responseCode());
        self::assertSame('offset_days', $body['errors'][0]['field']);
    }

    /** «جلسهٔ ۳ از ۸» فقط وقتی معنی دارد که گامی جا نیفتاده باشد. */
    public function testStepNumbersMustBeContiguous(): void
    {
        [$user, $clinic, $service] = $this->clinicWithService();
        $staff = $this->staffFor($clinic, 'اپراتور یک');

        $body = $this->authJson('PUT', '/api/v1/service-item/' . $service->getUuid() . '/treatment-protocol', $user, [
            'staff_uuids' => [$staff->getUuid()],
            'steps'       => [
                ['step_number' => 1, 'offset_days' => 0],
                ['step_number' => 3, 'offset_days' => 30],
            ],
        ]);

        self::assertSame(422, $this->responseCode());
        self::assertSame('step_number', $body['errors'][0]['field']);
    }

    public function testStaffIsRequired(): void
    {
        [$user, , $service] = $this->clinicWithService();

        $body = $this->authJson('PUT', '/api/v1/service-item/' . $service->getUuid() . '/treatment-protocol', $user, [
            'staff_uuids' => [],
            'steps'       => [
                ['step_number' => 1, 'offset_days' => 0],
                ['step_number' => 2, 'offset_days' => 30],
            ],
        ]);

        self::assertSame(422, $this->responseCode());
        self::assertSame('staff_uuids', $body['errors'][0]['field']);
    }

    /** پرسنل با uuid از خودِ درخواست می‌آید و TenantFilter پوششش نمی‌دهد. */
    public function testStaffFromAnotherEnvironmentIsRejected(): void
    {
        [$user, , $service]   = $this->clinicWithService();
        [, $otherClinic]      = $this->clinicWithService();
        $foreignStaff         = $this->staffFor($otherClinic, 'اپراتور بیگانه');

        $this->authJson('PUT', '/api/v1/service-item/' . $service->getUuid() . '/treatment-protocol', $user, [
            'staff_uuids' => [$foreignStaff->getUuid()],
            'steps'       => [
                ['step_number' => 1, 'offset_days' => 0],
                ['step_number' => 2, 'offset_days' => 30],
            ],
        ]);

        self::assertSame(404, $this->responseCode());
    }

    public function testServiceFromAnotherEnvironmentIsNotFound(): void
    {
        [$user]           = $this->clinicWithService();
        [, , $otherService] = $this->clinicWithService();

        $this->authJson('GET', '/api/v1/service-item/' . $otherService->getUuid() . '/treatment-protocol', $user);

        self::assertSame(404, $this->responseCode());
    }

    public function testMaxStepsIsEnforced(): void
    {
        [$user, $clinic, $service] = $this->clinicWithService();
        $staff = $this->staffFor($clinic, 'اپراتور یک');

        $steps = [['step_number' => 1, 'offset_days' => 0]];
        for ($i = 2; $i <= TreatmentProtocol::MAX_STEPS + 1; $i++) {
            $steps[] = ['step_number' => $i, 'offset_days' => 30];
        }

        $body = $this->authJson('PUT', '/api/v1/service-item/' . $service->getUuid() . '/treatment-protocol', $user, [
            'staff_uuids' => [$staff->getUuid()],
            'steps'       => $steps,
        ]);

        self::assertSame(422, $this->responseCode());
        self::assertSame('steps', $body['errors'][0]['field']);
    }
}