<?php
declare(strict_types=1);

namespace Unsupervised\Schedular\Tests\Unit\Auth;

use Mockery;
use Unsupervised\Schedular\Auth\StudentHistory;
use Unsupervised\Schedular\Payment\Credit;
use Unsupervised\Schedular\Payment\CreditRepository;
use Unsupervised\Schedular\Payment\Payment;
use Unsupervised\Schedular\Payment\PaymentRepository;
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\Tests\Unit\TestCase;

class StudentHistoryTest extends TestCase
{
    private AcceptanceRepository&Mockery\MockInterface $acceptances;
    private PolicyRepository&Mockery\MockInterface $policies;
    private PolicyVersionRepository&Mockery\MockInterface $policyVersions;
    private AnswerRepository&Mockery\MockInterface $answers;
    private QuestionRepository&Mockery\MockInterface $questions;
    private PaymentRepository&Mockery\MockInterface $payments;
    private CreditRepository&Mockery\MockInterface $credits;
    private StudentHistory $history;

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

        $this->acceptances    = Mockery::mock(AcceptanceRepository::class);
        $this->policies       = Mockery::mock(PolicyRepository::class);
        $this->policyVersions = Mockery::mock(PolicyVersionRepository::class);
        $this->answers        = Mockery::mock(AnswerRepository::class);
        $this->questions      = Mockery::mock(QuestionRepository::class);
        $this->payments       = Mockery::mock(PaymentRepository::class);
        $this->credits        = Mockery::mock(CreditRepository::class);

        $this->history = new StudentHistory(
            $this->acceptances,
            $this->policies,
            $this->policyVersions,
            $this->answers,
            $this->questions,
            $this->payments,
            $this->credits
        );
    }

    public function testPolicyAcceptancesResolvePolicyTitleAndVersion(): void
    {
        $this->acceptances->shouldReceive('findByStudent')->once()->with(5)->andReturn([
            new PolicyAcceptance(9, 5, PolicyAcceptance::REG_ACCOUNT, 5, ipAddress: null, acceptedAt: '2026-06-02 09:00:00', id: 1),
        ]);
        $this->policyVersions->shouldReceive('findById')->with(9)
            ->andReturn(new PolicyVersion(2, 3, null, PolicyVersion::STATUS_PUBLISHED, id: 9));
        $this->policies->shouldReceive('findById')->with(2)
            ->andReturn(new Policy('Waiver', 'waiver', 9, Policy::SCOPE_SIGNUP, 2));

        $rows = $this->history->policyAcceptances(5);

        self::assertSame(
            [
                [
                    'policy'      => 'Waiver',
                    'version'     => 'v3',
                    'context'     => 'Account signup',
                    'accepted_at' => '2026-06-02 09:00:00',
                ],
            ],
            $rows
        );
    }

    public function testPolicyAcceptancesFallBackWhenVersionIsGone(): void
    {
        $this->acceptances->shouldReceive('findByStudent')->once()->with(5)->andReturn([
            new PolicyAcceptance(9, 5, PolicyAcceptance::REG_LESSON, 12),
        ]);
        $this->policyVersions->shouldReceive('findById')->with(9)->andReturn(null);

        $rows = $this->history->policyAcceptances(5);

        self::assertSame('#9', $rows[0]['policy']);
        self::assertSame('—', $rows[0]['version']);
        self::assertSame('Lesson #12', $rows[0]['context']);
        self::assertSame('', $rows[0]['accepted_at']);
    }

    public function testIntakeAnswersResolveQuestionLabels(): void
    {
        $this->answers->shouldReceive('findByStudent')->once()->with(5)->andReturn([
            new Answer(4, Answer::REG_ENROLLMENT, 3, 5, 'Beginner', 1),
        ]);
        $this->questions->shouldReceive('findById')->with(4)
            ->andReturn(new Question(1, 'Experience level', id: 4));

        $rows = $this->history->intakeAnswers(5);

        self::assertSame(
            [
                [
                    'question' => 'Experience level',
                    'answer'   => 'Beginner',
                    'context'  => 'Enrolment #3',
                ],
            ],
            $rows
        );
    }

    public function testIntakeAnswersFallBackWhenQuestionIsGone(): void
    {
        $this->answers->shouldReceive('findByStudent')->once()->with(5)->andReturn([
            new Answer(4, Answer::REG_LESSON, 12, 5, null, 1),
        ]);
        $this->questions->shouldReceive('findById')->with(4)->andReturn(null);

        $rows = $this->history->intakeAnswers(5);

        self::assertSame('#4', $rows[0]['question']);
        self::assertSame('—', $rows[0]['answer']);
    }

    public function testIntakeAnswersExcludeAccountScopeAnswers(): void
    {
        $this->answers->shouldReceive('findByStudent')->once()->with(5)->andReturn([
            new Answer(9, Answer::REG_ACCOUNT, 5, 5, 'By a friend', 2),
            new Answer(4, Answer::REG_LESSON, 12, 5, 'Beginner', 1),
        ]);
        // Only the booking-scoped answer is resolved; the account answer is dropped.
        $this->questions->shouldReceive('findById')->with(4)
            ->andReturn(new Question(1, 'Experience level', id: 4));

        $rows = $this->history->intakeAnswers(5);

        self::assertCount(1, $rows);
        self::assertSame('Experience level', $rows[0]['question']);
        self::assertSame('Lesson #12', $rows[0]['context']);
    }

    public function testRegistrationInfoPairsAccountQuestionsWithAnswers(): void
    {
        $this->answers->shouldReceive('findByRegistration')->once()->with(Answer::REG_ACCOUNT, 5)->andReturn([
            new Answer(4, Answer::REG_ACCOUNT, 5, 5, 'Yes', 1),
        ]);
        $this->questions->shouldReceive('findByScope')->once()->with(Question::SCOPE_ACCOUNT)->andReturn([
            new Question(null, 'Consent to email', isRequired: true, scope: Question::SCOPE_ACCOUNT, id: 4),
            new Question(null, 'Anything else?', isRequired: false, scope: Question::SCOPE_ACCOUNT, id: 7),
        ]);

        $rows = $this->history->registrationInfo(5);

        self::assertSame(
            [
                [ 'question' => 'Consent to email', 'answer' => 'Yes', 'required' => true ],
                [ 'question' => 'Anything else?', 'answer' => '—', 'required' => false ],
            ],
            $rows
        );
    }

    public function testPaymentsBuildDisplayRows(): void
    {
        $this->payments->shouldReceive('findByStudent')->once()->with(5)->andReturn([
            new Payment(
                5,
                3,
                Payment::REG_LESSON,
                12,
                100.00,
                currency: 'CAD',
                method: Payment::METHOD_CARD,
                status: Payment::STATUS_PAID,
                taxRate: 13.0,
                taxAmount: 13.00,
                receiptNumber: 'USC-7',
                createdAt: '2026-06-08 09:00:00',
                id: 50
            ),
        ]);

        $rows = $this->history->payments(5);

        self::assertSame(
            [
                [
                    'created_at' => '2026-06-08 09:00:00',
                    'context'    => 'Lesson #12',
                    'method'     => Payment::METHOD_CARD,
                    'status'     => Payment::STATUS_PAID,
                    'amount'     => 100.00,
                    'tax_amount' => 13.00,
                    'total'      => 113.00,
                    'currency'   => 'CAD',
                    'receipt'    => 'USC-7',
                ],
            ],
            $rows
        );
    }

    public function testPaymentsFallBackWhenUnpaidAndUndated(): void
    {
        $this->payments->shouldReceive('findByStudent')->once()->with(5)->andReturn([
            new Payment(5, 3, Payment::REG_ENROLLMENT, 3, 40.00, id: 51),
        ]);

        $rows = $this->history->payments(5);

        self::assertSame('', $rows[0]['created_at']);
        self::assertSame('Enrolment #3', $rows[0]['context']);
        self::assertSame('—', $rows[0]['receipt']);
    }

    public function testCreditBalanceDelegatesToRepository(): void
    {
        $this->credits->shouldReceive('availableBalance')->once()->with(5)->andReturn(45.0);

        self::assertSame(45.0, $this->history->creditBalance(5));
    }

    public function testCreditsBuildDisplayRows(): void
    {
        $this->credits->shouldReceive('findByStudent')->once()->with(5)->andReturn([
            new Credit(5, 33.00, 13.00, currency: 'CAD', sourcePaymentId: 12, sourceLessonId: 77, reason: 'Credit for cancelled lesson #77', status: Credit::STATUS_AVAILABLE, createdAt: '2026-07-01 09:00:00', id: 300),
        ]);

        $rows = $this->history->credits(5);

        self::assertSame(
            [
                [
                    'created_at' => '2026-07-01 09:00:00',
                    'amount'     => 33.00,
                    'remaining'  => 13.00,
                    'currency'   => 'CAD',
                    'reason'     => 'Credit for cancelled lesson #77',
                    'status'     => Credit::STATUS_AVAILABLE,
                ],
            ],
            $rows
        );
    }
}