<?php
declare(strict_types=1);

namespace Unsupervised\Schedular\Tests\Unit\Registration;

use Brain\Monkey\Functions;
use Mockery;
use Unsupervised\Schedular\Booking\Lesson;
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\IntakeAudit;
use Unsupervised\Schedular\Registration\IntakeProvenance;
use Unsupervised\Schedular\Registration\AnswerRepository;
use Unsupervised\Schedular\Registration\Question;
use Unsupervised\Schedular\Registration\QuestionRepository;
use Unsupervised\Schedular\Tests\Unit\TestCase;

class IntakeAuditTest extends TestCase
{
    private AnswerRepository&Mockery\MockInterface $answers;
    private QuestionRepository&Mockery\MockInterface $questions;
    private AcceptanceRepository&Mockery\MockInterface $acceptances;
    private PolicyRepository&Mockery\MockInterface $policies;
    private PolicyVersionRepository&Mockery\MockInterface $versions;
    private IntakeAudit $detail;

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

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

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

    public function testAnswersPairEachAnswerWithItsQuestionLabel(): void
    {
        $this->answers->shouldReceive('findByRegistration')->once()->with(Answer::REG_LESSON, 7)->andReturn([
            new Answer(questionId: 2, registrationType: Answer::REG_LESSON, registrationId: 7, studentId: 5, answerValue: 'Beginner'),
            new Answer(questionId: 9, registrationType: Answer::REG_LESSON, registrationId: 7, studentId: 5, answerValue: null),
        ]);

        $this->questions->shouldReceive('findById')->with(2)->andReturn(new Question(offeringId: 1, label: 'Skill level', id: 2));
        $this->questions->shouldReceive('findById')->with(9)->andReturn(null);

        self::assertSame(
            [
                ['question' => 'Skill level', 'answer' => 'Beginner', 'source' => 'Given online when booking'],
                ['question' => '#9', 'answer' => '—', 'source' => 'Given online when booking'],
            ],
            $this->detail->answers($this->lesson(7))
        );
    }

    public function testAcceptancesResolvePolicyTitleVersionAndAuditTrail(): void
    {
        $this->acceptances->shouldReceive('findByRegistration')->once()->with(PolicyAcceptance::REG_LESSON, 7)->andReturn([
            new PolicyAcceptance(
                policyVersionId: 4,
                studentId: 5,
                registrationType: PolicyAcceptance::REG_LESSON,
                registrationId: 7,
                ipAddress: '1.2.3.4',
                acceptedAt: '2026-07-01 10:00:00'
            ),
        ]);

        $this->versions->shouldReceive('findById')->with(4)->andReturn(new PolicyVersion(policyId: 3, versionNumber: 2, id: 4));
        $this->policies->shouldReceive('findById')->with(3)->andReturn(new Policy(title: 'Cancellation', slug: 'cancellation', id: 3));

        self::assertSame(
            [
                [
                    'policy'      => 'Cancellation',
                    'version'     => 'v2',
                    'accepted_at' => '2026-07-01 10:00:00',
                    'ip'          => '1.2.3.4',
                    'source'      => 'Given online when booking',
                ],
            ],
            $this->detail->acceptances($this->lesson(7))
        );
    }

    public function testACollectedElsewhereAnswerNamesItsSourceAndWhoRecordedIt(): void
    {
        $user               = Mockery::mock(\WP_User::class);
        $user->ID           = 7;
        $user->first_name   = 'Jane';
        $user->last_name    = 'Doe';
        $user->nickname     = 'jane';
        $user->display_name = 'jane';
        Functions\when('get_userdata')->justReturn($user);

        $this->answers->shouldReceive('findByRegistration')->once()->with(Answer::REG_LESSON, 7)->andReturn([
            new Answer(
                questionId: 2,
                registrationType: Answer::REG_LESSON,
                registrationId: 7,
                studentId: 5,
                answerValue: 'Nut allergy',
                collectedVia: IntakeProvenance::VIA_PAPER,
                collectedNote: 'Filed in the studio binder',
                recordedBy: 7
            ),
        ]);
        $this->questions->shouldReceive('findById')->with(2)->andReturn(new Question(offeringId: 1, label: 'Allergies', id: 2));

        self::assertSame(
            [[
                'question' => 'Allergies',
                'answer'   => 'Nut allergy',
                'source'   => 'On a signed paper form — Filed in the studio binder — recorded by Jane Doe',
            ]],
            $this->detail->answers($this->lesson(7))
        );
    }

    public function testSeriesOccurrenceReadsTheAnchorsAnswersAndAcceptances(): void
    {
        // Occurrence #12 of a weekly reservation anchored on lesson 7: the intake
        // and the agreement were recorded once, against the anchor.
        $occurrence = $this->lesson(12, seriesId: 7);

        $this->answers->shouldReceive('findByRegistration')->once()->with(Answer::REG_LESSON, 7)->andReturn([
            new Answer(questionId: 2, registrationType: Answer::REG_LESSON, registrationId: 7, studentId: 5, answerValue: 'Beginner'),
        ]);
        $this->questions->shouldReceive('findById')->with(2)->andReturn(new Question(offeringId: 1, label: 'Skill level', id: 2));

        $this->acceptances->shouldReceive('findByRegistration')->once()->with(PolicyAcceptance::REG_LESSON, 7)->andReturn([
            new PolicyAcceptance(
                policyVersionId: 4,
                studentId: 5,
                registrationType: PolicyAcceptance::REG_LESSON,
                registrationId: 7,
                ipAddress: '1.2.3.4',
                acceptedAt: '2026-07-01 10:00:00'
            ),
        ]);
        $this->versions->shouldReceive('findById')->with(4)->andReturn(new PolicyVersion(policyId: 3, versionNumber: 2, id: 4));
        $this->policies->shouldReceive('findById')->with(3)->andReturn(new Policy(title: 'Cancellation', slug: 'cancellation', id: 3));

        self::assertSame(
            [['question' => 'Skill level', 'answer' => 'Beginner', 'source' => 'Given online when booking']],
            $this->detail->answers($occurrence)
        );
        self::assertSame(
            [[
                'policy'      => 'Cancellation',
                'version'     => 'v2',
                'accepted_at' => '2026-07-01 10:00:00',
                'ip'          => '1.2.3.4',
                'source'      => 'Given online when booking',
            ]],
            $this->detail->acceptances($occurrence)
        );
    }

    private function lesson(int $id, ?int $seriesId = null): Lesson
    {
        return new Lesson(
            slotId: 1,
            studentId: 5,
            instructorId: 9,
            offeringId: 1,
            recurrence: null === $seriesId ? Lesson::RECURRENCE_SINGLE : Lesson::RECURRENCE_WEEKLY,
            seriesId: $seriesId,
            id: $id
        );
    }
}