<?php

declare(strict_types=1);

namespace Tests\Unit;

use PHPUnit\Framework\TestCase;
use Tests\Support\JsonErrorResponse;

final class ValidateTest extends TestCase
{
    protected function setUp(): void
    {
        if (!defined('QDB_TESTING')) {
            throw new \RuntimeException('PHPUnit bootstrap must define QDB_TESTING');
        }
        require_once dirname(__DIR__, 2) . '/lib/validate.php';
    }

    public function testRequireFieldsPasses(): void
    {
        $body = ['a' => '1', 'b' => 'x'];
        require_fields($body, ['a', 'b']);
        $this->assertSame(['a' => '1', 'b' => 'x'], $body);
    }

    public function testRequireFieldsMissing(): void
    {
        $this->expectException(JsonErrorResponse::class);
        $this->expectExceptionMessage('Required fields');
        try {
            require_fields(['a' => ''], ['a', 'b']);
        } catch (JsonErrorResponse $e) {
            $this->assertSame('MISSING_FIELDS', $e->errorCode);
            $this->assertSame(400, $e->httpStatus);
            throw $e;
        }
    }

    public function testValidateStringTrims(): void
    {
        $s = validate_string('  hello  ', 'field', 1, 20);
        $this->assertSame('hello', $s);
    }

    public function testValidateEnum(): void
    {
        $this->assertSame('admin', validate_enum('admin', 'role', ['admin', 'coach']));
    }

    public function testValidateIntBounds(): void
    {
        $this->assertSame(5, validate_int('5', 'n', 1, 10));
    }
}