<?php

namespace MintyPHP\Tests\Http;

use MintyPHP\Http\ApiAuth;
use MintyPHP\Http\ApiSystemAuditReporter;
use MintyPHP\Http\RequestContext;
use MintyPHP\Service\Audit\SystemAuditService;
use PHPUnit\Framework\TestCase;

class ApiSystemAuditReporterTest extends TestCase
{
    private array $serverBackup = [];

    protected function setUp(): void
    {
        $this->serverBackup = $_SERVER;
        $_SERVER = [];
        RequestContext::resetForTests();
        ApiAuth::authenticate();
    }

    protected function tearDown(): void
    {
        $_SERVER = $this->serverBackup;
        RequestContext::resetForTests();
        ApiAuth::authenticate();
    }

    public function testItRecordsMutatingRequest(): void
    {
        $_SERVER['REQUEST_METHOD'] = 'POST';
        $_SERVER['REQUEST_URI'] = '/api/v1/users/123';

        $audit = $this->createMock(SystemAuditService::class);
        $audit->expects($this->once())
            ->method('record')
            ->with(
                'api.request',
                'success',
                $this->callback(static function (array $context): bool {
                    $metadata = is_array($context['metadata'] ?? null) ? $context['metadata'] : [];
                    return ($metadata['endpoint_key'] ?? '') === '/api/v1/users/{id}'
                        && ($metadata['status_code'] ?? null) === 201
                        && ($metadata['status_class'] ?? '') === '2xx'
                        && ($metadata['auth_mode'] ?? '') === 'public'
                        && ($metadata['write_method'] ?? null) === true
                        && ($metadata['security_endpoint'] ?? null) === false;
                })
            );

        $reporter = new ApiSystemAuditReporter($audit);
        $reporter->start();
        $reporter->finish(201);
    }

    public function testItSkipsNonSecurityGetSuccess(): void
    {
        $_SERVER['REQUEST_METHOD'] = 'GET';
        $_SERVER['REQUEST_URI'] = '/api/v1/users';

        $audit = $this->createMock(SystemAuditService::class);
        $audit->expects($this->never())->method('record');

        $reporter = new ApiSystemAuditReporter($audit);
        $reporter->start();
        $reporter->finish(200);
    }

    public function testItRecordsDeniedSecurityGetFailure(): void
    {
        $_SERVER['REQUEST_METHOD'] = 'GET';
        $_SERVER['REQUEST_URI'] = '/api/v1/me/tokens';

        $audit = $this->createMock(SystemAuditService::class);
        $audit->expects($this->once())
            ->method('record')
            ->with(
                'api.request',
                'denied',
                $this->callback(static function (array $context): bool {
                    $metadata = is_array($context['metadata'] ?? null) ? $context['metadata'] : [];
                    return ($metadata['endpoint_key'] ?? '') === '/api/v1/me/tokens'
                        && ($metadata['status_code'] ?? null) === 401
                        && ($metadata['status_class'] ?? '') === '4xx'
                        && ($metadata['security_endpoint'] ?? null) === true;
                })
            );

        $reporter = new ApiSystemAuditReporter($audit);
        $reporter->start();
        $reporter->finish(401, 'unauthorized');
    }

    public function testItRecordsFailedServerError(): void
    {
        $_SERVER['REQUEST_METHOD'] = 'GET';
        $_SERVER['REQUEST_URI'] = '/api/v1/users';

        $audit = $this->createMock(SystemAuditService::class);
        $audit->expects($this->once())
            ->method('record')
            ->with(
                'api.request',
                'failed',
                $this->callback(static function (array $context): bool {
                    $metadata = is_array($context['metadata'] ?? null) ? $context['metadata'] : [];
                    return ($metadata['status_code'] ?? null) === 500
                        && ($metadata['status_class'] ?? '') === '5xx'
                        && ($metadata['write_method'] ?? null) === false;
                })
            );

        $reporter = new ApiSystemAuditReporter($audit);
        $reporter->start();
        $reporter->finish(500, 'unexpected_error');
    }

    public function testFinishIsIdempotent(): void
    {
        $_SERVER['REQUEST_METHOD'] = 'POST';
        $_SERVER['REQUEST_URI'] = '/api/v1/tenants';

        $audit = $this->createMock(SystemAuditService::class);
        $audit->expects($this->once())->method('record');

        $reporter = new ApiSystemAuditReporter($audit);
        $reporter->start();
        $reporter->finish(201);
        $reporter->finish(201);
    }
}