<?php
declare(strict_types=1);

namespace Unsupervised\Schedular\Tests\Unit\Policy;

use Brain\Monkey\Functions;
use Mockery;
use Unsupervised\Schedular\Policy\Policy;
use Unsupervised\Schedular\Policy\PolicyRepository;
use Unsupervised\Schedular\Tests\Unit\TestCase;

class PolicyRepositoryTest extends TestCase
{
    private \wpdb $db;
    private PolicyRepository $repo;

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

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

    public function testInsertReturnsId(): void
    {
        Functions\expect('current_time')->with('mysql')->andReturn('2026-06-01 12:00:00');

        $this->db->shouldReceive('insert')
            ->once()
            ->with(
                'wp_us_policies',
                Mockery::on(static fn (array $d): bool => $d['title'] === 'Cancellation' && $d['slug'] === 'cancellation' && $d['current_version_id'] === null),
                ['%s', '%s', '%d', '%s']
            );
        $this->db->insert_id = 7;

        self::assertSame(7, $this->repo->insert(new Policy('Cancellation', 'cancellation')));
    }

    public function testUpdateCurrentVersion(): void
    {
        $this->db->shouldReceive('update')
            ->once()
            ->with('wp_us_policies', ['current_version_id' => 9], ['id' => 7], ['%d'], ['%d'])
            ->andReturn(1);

        self::assertTrue($this->repo->updateCurrentVersion(7, 9));
    }

    public function testFindBySlugReturnsPolicy(): void
    {
        $this->db->shouldReceive('prepare')->andReturn('SELECT ...');
        $this->db->shouldReceive('get_row')->andReturn((object) [
            'id'                 => '7',
            'title'              => 'Cancellation',
            'slug'               => 'cancellation',
            'current_version_id' => null,
        ]);

        $policy = $this->repo->findBySlug('cancellation');

        self::assertInstanceOf(Policy::class, $policy);
        self::assertSame('cancellation', $policy->slug);
    }

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

        self::assertNull($this->repo->findBySlug('nope'));
    }

    public function testFindAllMapsRows(): void
    {
        $this->db->shouldReceive('get_results')->andReturn([
            (object) ['id' => '1', 'title' => 'A', 'slug' => 'a', 'current_version_id' => null],
        ]);

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

        self::assertCount(1, $all);
        self::assertInstanceOf(Policy::class, $all[0]);
    }

    public function testDeleteCallsWpdb(): void
    {
        $this->db->shouldReceive('delete')->once()->with('wp_us_policies', ['id' => 3], ['%d'])->andReturn(1);

        self::assertTrue($this->repo->delete(3));
    }
}