<?php
declare(strict_types=1);

namespace Tests\Shared;

use App\Shared\Database\Provisioner;
use PDO;
use PHPUnit\Framework\TestCase;

#[\PHPUnit\Framework\Attributes\AllowMockObjectsWithoutExpectations]

final class ProvisionerTest extends TestCase
{
    private PDO $db;
    private string $lockPath;
    private array $envBackup = [];

    protected function setUp(): void
    {
        $this->db = new PDO('sqlite::memory:', options: [
            PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
            PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
        ]);
        $this->db->sqliteCreateFunction('strip_tags', 'strip_tags', 1);

        $this->lockPath = dirname(__DIR__, 2) . '/database/.provision.lock';
        @unlink($this->lockPath);

        $this->envBackup = [
            'ADMIN_USERNAME' => $_ENV['ADMIN_USERNAME'] ?? null,
            'ADMIN_EMAIL' => $_ENV['ADMIN_EMAIL'] ?? null,
            'ADMIN_PASSWORD' => $_ENV['ADMIN_PASSWORD'] ?? null,
        ];

        $_ENV['ADMIN_USERNAME'] = 'Admin';
        $_ENV['ADMIN_EMAIL'] = 'Admin@example.com';
        $_ENV['ADMIN_PASSWORD'] = 'secret1234';
    }

    protected function tearDown(): void
    {
        @unlink($this->lockPath);

        foreach ($this->envBackup as $key => $value) {
            if ($value === null) {
                unset($_ENV[$key]);
            } else {
                $_ENV[$key] = $value;
            }
        }
    }

    public function testRunCreatesProvisionLockAndSeedsAdminUser(): void
    {
        Provisioner::run($this->db);

        self::assertFileExists($this->lockPath);

        $row = $this->db->query('SELECT username, email, role FROM users')->fetch();

        self::assertIsArray($row);
        self::assertSame('admin', $row['username']);
        self::assertSame('admin@example.com', $row['email']);
        self::assertSame('admin', $row['role']);
    }

    public function testRunIsIdempotent(): void
    {
        Provisioner::run($this->db);
        Provisioner::run($this->db);

        $count = (int) $this->db->query('SELECT COUNT(*) FROM users WHERE username = "admin"')->fetchColumn();

        self::assertSame(1, $count);
    }
}