<?php
declare(strict_types=1);

namespace Unsupervised\Schedular\Tests\Unit\Offering;

use Brain\Monkey\Functions;
use Mockery;
use Unsupervised\Schedular\Offering\Offering;
use Unsupervised\Schedular\Offering\OfferingRepository;
use Unsupervised\Schedular\Tests\Unit\TestCase;

class OfferingRepositoryTest extends TestCase
{
    private \wpdb $db;
    private OfferingRepository $repo;

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

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

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

        $this->db->shouldReceive('insert')
            ->once()
            ->with(
                'wp_us_offerings',
                Mockery::on(static function (array $data): bool {
                    return $data['instructor_id'] === 5
                        && $data['kind'] === Offering::KIND_PRIVATE_LESSON
                        && $data['title'] === '30-min Piano'
                        && $data['price'] === 35.00
                        && $data['allow_weekly'] === 0
                        && $data['is_active'] === 1
                        && $data['created_at'] === '2026-04-01 12:00:00';
                }),
                Mockery::type('array')
            );

        $this->db->insert_id = 42;

        $offering = new Offering(
            instructorId:    5,
            kind:            Offering::KIND_PRIVATE_LESSON,
            title:           '30-min Piano',
            price:           35.00,
            durationMinutes: 30,
        );

        self::assertSame(42, $this->repo->insert($offering));
    }

    public function testUpdateReturnsTrueOnSuccess(): void
    {
        $this->db->shouldReceive('update')
            ->once()
            ->with(
                'wp_us_offerings',
                Mockery::on(static fn (array $data): bool => $data['title'] === 'Renamed' && $data['allow_weekly'] === 1),
                ['id' => 7],
                Mockery::type('array'),
                ['%d']
            )
            ->andReturn(1);

        $offering = new Offering(
            instructorId: 5,
            kind:         Offering::KIND_PRIVATE_LESSON,
            title:        'Renamed',
            allowWeekly:  true,
            id:           7,
        );

        self::assertTrue($this->repo->update(7, $offering));
    }

    public function testUpdateReturnsFalseWhenWpdbReturnsFalse(): void
    {
        $this->db->shouldReceive('update')->once()->andReturn(false);

        $offering = new Offering(5, Offering::KIND_GROUP_CLASS, 'Choir', id: 9);

        self::assertFalse($this->repo->update(9, $offering));
    }

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

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

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

        $offering = $this->repo->findById(10);

        self::assertInstanceOf(Offering::class, $offering);
        self::assertSame(10, $offering->id);
        self::assertSame(3, $offering->instructorId);
    }

    public function testFindAllWithNoFiltersPreparesTableOnly(): void
    {
        $this->db->shouldReceive('prepare')
            ->once()
            ->with(Mockery::pattern('/WHERE 1 = 1/'), ['wp_us_offerings'])
            ->andReturn('SELECT ...');

        $this->db->shouldReceive('get_results')
            ->once()
            ->with('SELECT ...')
            ->andReturn([$this->sampleRow()]);

        $offerings = $this->repo->findAll();

        self::assertCount(1, $offerings);
        self::assertInstanceOf(Offering::class, $offerings[0]);
    }

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

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

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

    public function testFindAllWithInstructorAndKindFilters(): void
    {
        $this->db->shouldReceive('prepare')
            ->once()
            ->with(
                Mockery::pattern('/instructor_id = %d AND kind = %s/'),
                Mockery::on(static fn (array $p): bool => $p === ['wp_us_offerings', 3, Offering::KIND_GROUP_CLASS])
            )
            ->andReturn('SELECT ...');

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

        $this->repo->findAll(3, Offering::KIND_GROUP_CLASS);
    }

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

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

    private function sampleRow(): object
    {
        return (object) [
            'id'               => '10',
            'instructor_id'    => '3',
            'kind'             => Offering::KIND_PRIVATE_LESSON,
            'title'            => '30-min Piano',
            'description'      => null,
            'duration_minutes' => '30',
            'price'            => '35.00',
            'currency'         => 'CAD',
            'billing_mode'     => Offering::BILLING_ONE_TIME,
            'allow_weekly'     => '0',
            'capacity'         => null,
            'term_start'       => null,
            'term_end'         => null,
            'schedule_note'    => null,
            'etransfer_email'  => null,
            'is_active'        => '1',
        ];
    }
}