<?php
declare(strict_types=1);

namespace Unsupervised\Schedular\Tests\Unit\Registration;

use Brain\Monkey\Functions;
use Mockery;
use Unsupervised\Schedular\Registration\Question;
use Unsupervised\Schedular\Registration\QuestionRepository;
use Unsupervised\Schedular\Tests\Unit\TestCase;

class QuestionRepositoryTest extends TestCase
{
    private \wpdb $db;
    private QuestionRepository $repo;

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

        $this->db         = Mockery::mock(\wpdb::class);
        $this->db->prefix = 'wp_';
        $this->repo       = new QuestionRepository($this->db);
    }

    public function testInsertWithNullOptionsStoresNull(): void
    {
        Functions\expect('current_time')->with('mysql')->andReturn('2026-04-01 12:00:00');

        $this->db->shouldReceive('insert')
            ->once()
            ->with(
                'wp_us_questions',
                Mockery::on(static function (array $data): bool {
                    return $data['offering_id'] === 7
                        && $data['label'] === 'Your level?'
                        && $data['field_type'] === Question::FIELD_TEXT
                        && $data['options'] === null
                        && $data['is_required'] === 0
                        && $data['created_at'] === '2026-04-01 12:00:00';
                }),
                Mockery::type('array')
            );

        $this->db->insert_id = 21;

        $question = new Question(7, 'Your level?');

        self::assertSame(21, $this->repo->insert($question));
    }

    public function testInsertEncodesOptionsAsJson(): void
    {
        Functions\expect('current_time')->andReturn('2026-04-01 12:00:00');
        Functions\expect('wp_json_encode')
            ->once()
            ->with(['Beginner', 'Advanced'])
            ->andReturn('["Beginner","Advanced"]');

        $this->db->shouldReceive('insert')
            ->once()
            ->with(
                'wp_us_questions',
                Mockery::on(static fn (array $data): bool => $data['options'] === '["Beginner","Advanced"]'),
                Mockery::type('array')
            );

        $this->db->insert_id = 22;

        $question = new Question(
            offeringId: 7,
            label:      'Pick a level',
            fieldType:  Question::FIELD_SELECT,
            options:    ['Beginner', 'Advanced'],
        );

        self::assertSame(22, $this->repo->insert($question));
    }

    public function testUpdateReturnsTrueOnSuccess(): void
    {
        $this->db->shouldReceive('update')
            ->once()
            ->with(
                'wp_us_questions',
                Mockery::on(static fn (array $data): bool => $data['label'] === 'Renamed' && $data['is_required'] === 1),
                ['id' => 5],
                Mockery::type('array'),
                ['%d']
            )
            ->andReturn(1);

        $question = new Question(7, 'Renamed', isRequired: true, id: 5);

        self::assertTrue($this->repo->update(5, $question));
    }

    public function testFindByOfferingActiveOnlyPreparesQuery(): void
    {
        $this->db->shouldReceive('prepare')
            ->once()
            ->with(
                Mockery::pattern('/offering_id = %d AND is_active = %d/'),
                Mockery::on(static fn (array $p): bool => $p === [7, 1])
            )
            ->andReturn('SELECT ...');

        $this->db->shouldReceive('get_results')->andReturn([]);

        self::assertSame([], $this->repo->findByOffering(7, activeOnly: true));
    }

    public function testFindByOfferingReturnsQuestions(): void
    {
        $row = (object) [
            'id'          => '3',
            'offering_id' => '7',
            'label'       => 'Q',
            'field_type'  => Question::FIELD_TEXT,
            'options'     => null,
            'is_required' => '0',
            'sort_order'  => '0',
            'is_active'   => '1',
        ];

        $this->db->shouldReceive('prepare')->andReturn('SELECT ...');
        $this->db->shouldReceive('get_results')->andReturn([$row]);

        $questions = $this->repo->findByOffering(7);

        self::assertCount(1, $questions);
        self::assertInstanceOf(Question::class, $questions[0]);
    }

    public function testFindByIdReturnsNullWhenNotFound(): void
    {
        $this->db->shouldReceive('prepare')->andReturn('SELECT ...');
        $this->db->shouldReceive('get_row')->andReturn(null);

        self::assertNull($this->repo->findById(99));
    }

    public function testDeleteCallsWpdbDelete(): void
    {
        $this->db->shouldReceive('delete')
            ->once()
            ->with('wp_us_questions', ['id' => 4], ['%d'])
            ->andReturn(1);

        self::assertTrue($this->repo->delete(4));
    }
}