<?php
declare(strict_types=1);

namespace Unsupervised\Schedular\Tests\Unit\Registration;

use Mockery;
use Unsupervised\Schedular\Policy\AcceptanceRepository;
use Unsupervised\Schedular\Policy\Policy;
use Unsupervised\Schedular\Policy\PolicyAcceptance;
use Unsupervised\Schedular\Policy\PolicyRepository;
use Unsupervised\Schedular\Policy\PolicyVersion;
use Unsupervised\Schedular\Policy\PolicyVersionRepository;
use Unsupervised\Schedular\Registration\Answer;
use Unsupervised\Schedular\Registration\AnswerRepository;
use Unsupervised\Schedular\Registration\Question;
use Unsupervised\Schedular\Registration\QuestionRepository;
use Unsupervised\Schedular\Registration\RegistrationGate;
use Unsupervised\Schedular\Tests\Unit\TestCase;

class RegistrationGateTest extends TestCase
{
    private QuestionRepository $questions;
    private AnswerRepository $answers;
    private PolicyRepository $policies;
    private PolicyVersionRepository $versions;
    private AcceptanceRepository $acceptances;
    private RegistrationGate $gate;

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

        $this->questions   = Mockery::mock(QuestionRepository::class);
        $this->answers     = Mockery::mock(AnswerRepository::class);
        $this->policies    = Mockery::mock(PolicyRepository::class);
        $this->versions    = Mockery::mock(PolicyVersionRepository::class);
        $this->acceptances = Mockery::mock(AcceptanceRepository::class);

        $this->gate = new RegistrationGate(
            $this->questions,
            $this->answers,
            $this->policies,
            $this->versions,
            $this->acceptances
        );
    }

    private function requiredQuestion(): Question
    {
        return new Question(offeringId: 7, label: 'Level?', isRequired: true, id: 3);
    }

    private function bookingPolicy(): Policy
    {
        return new Policy('Cancellation', 'cancellation', currentVersionId: 9, acceptanceScope: Policy::SCOPE_BOOKING, id: 1);
    }

    public function testValidatePassesWhenAnswersAndPoliciesProvided(): void
    {
        $this->questions->shouldReceive('findByOffering')->with(7, true)->andReturn([$this->requiredQuestion()]);
        $this->policies->shouldReceive('findForScope')->with(Policy::SCOPE_BOOKING)->andReturn([$this->bookingPolicy()]);
        $this->versions->shouldReceive('findById')->with(9)->andReturn(new PolicyVersion(1, 1, 'body', PolicyVersion::STATUS_PUBLISHED, null, 9));

        self::assertNull($this->gate->validate(7, [3 => 'Beginner'], [9]));
    }

    public function testValidateFailsWhenRequiredQuestionUnanswered(): void
    {
        $this->questions->shouldReceive('findByOffering')->with(7, true)->andReturn([$this->requiredQuestion()]);

        $result = $this->gate->validate(7, [3 => '   '], [9]);

        self::assertInstanceOf(\WP_Error::class, $result);
        self::assertSame('missing_answer', $result->get_error_code());
    }

    public function testValidateFailsWhenPolicyNotAccepted(): void
    {
        $this->questions->shouldReceive('findByOffering')->with(7, true)->andReturn([$this->requiredQuestion()]);
        $this->policies->shouldReceive('findForScope')->with(Policy::SCOPE_BOOKING)->andReturn([$this->bookingPolicy()]);
        $this->versions->shouldReceive('findById')->with(9)->andReturn(new PolicyVersion(1, 1, 'body', PolicyVersion::STATUS_PUBLISHED, null, 9));

        $result = $this->gate->validate(7, [3 => 'Beginner'], []);

        self::assertInstanceOf(\WP_Error::class, $result);
        self::assertSame('policy_required', $result->get_error_code());
    }

    public function testRecordPersistsAnswersAndAcceptances(): void
    {
        $this->questions->shouldReceive('findByOffering')->with(7, true)->andReturn([$this->requiredQuestion()]);
        $this->policies->shouldReceive('findForScope')->with(Policy::SCOPE_BOOKING)->andReturn([$this->bookingPolicy()]);
        $this->versions->shouldReceive('findById')->with(9)->andReturn(new PolicyVersion(1, 1, 'body', PolicyVersion::STATUS_PUBLISHED, null, 9));

        $this->answers->shouldReceive('insert')
            ->once()
            ->with(Mockery::on(static fn (Answer $a): bool => $a->questionId === 3 && $a->registrationId === 50 && $a->answerValue === 'Beginner'));

        $this->acceptances->shouldReceive('insert')
            ->once()
            ->with(Mockery::on(static fn (PolicyAcceptance $a): bool => $a->policyVersionId === 9 && $a->registrationType === PolicyAcceptance::REG_LESSON && $a->registrationId === 50));

        $this->gate->record(PolicyAcceptance::REG_LESSON, 50, 5, 7, [3 => 'Beginner'], [9], '203.0.113.7');
    }
}