<?php

declare(strict_types=1);

namespace Tests\Feature\Framework\LiveComponents;

use App\Application\LiveComponents\Counter\CounterComponent;
use App\Application\LiveComponents\Dashboard\FailedJobsListComponent;
use App\Application\LiveComponents\Dashboard\PerformanceMetricsComponent;
use App\Application\LiveComponents\UserStatsComponent;
use App\Framework\Core\ValueObjects\Duration;
use App\Framework\LiveComponents\Contracts\Cacheable;
use App\Framework\LiveComponents\Contracts\LifecycleAware;
use App\Framework\LiveComponents\Contracts\LiveComponentContract;
use App\Framework\LiveComponents\Contracts\Pollable;
use App\Framework\LiveComponents\Contracts\SupportsFileUpload;
use App\Framework\LiveComponents\Contracts\SupportsSlots;
use App\Framework\LiveComponents\ValueObjects\ComponentId;
use App\Framework\LiveComponents\ValueObjects\ComponentState;
use ReflectionClass;
use ReflectionMethod;

describe('Contract Compliance Tests', function () {
    describe('Pollable Interface', function () {
        it('verifies Pollable components implement required methods', function () {
            $component = new PerformanceMetricsComponent(
                ComponentId::create('performance-metrics', 'test'),
                ComponentState::empty()
            );

            expect($component)->toBeInstanceOf(Pollable::class);
            expect($component)->toBeInstanceOf(LiveComponentContract::class);

            // Check required methods exist
            $reflection = new ReflectionClass($component);
            expect($reflection->hasMethod('poll'))->toBeTrue();
            expect($reflection->hasMethod('getPollInterval'))->toBeTrue();

            // Check method signatures
            $pollMethod = $reflection->getMethod('poll');
            expect($pollMethod->isPublic())->toBeTrue();
            expect($pollMethod->getReturnType()?->getName())->toBe('App\Application\LiveComponents\LiveComponentState');

            $intervalMethod = $reflection->getMethod('getPollInterval');
            expect($intervalMethod->isPublic())->toBeTrue();
            expect($intervalMethod->getReturnType()?->getName())->toBe('int');
        });

        it('verifies poll() returns LiveComponentState', function () {
            $component = new PerformanceMetricsComponent(
                ComponentId::create('performance-metrics', 'test'),
                ComponentState::empty()
            );

            $result = $component->poll();
            expect($result)->toBeInstanceOf(\App\Application\LiveComponents\LiveComponentState::class);
        });

        it('verifies getPollInterval() returns positive integer', function () {
            $component = new PerformanceMetricsComponent(
                ComponentId::create('performance-metrics', 'test'),
                ComponentState::empty()
            );

            $interval = $component->getPollInterval();
            expect($interval)->toBeInt();
            expect($interval)->toBeGreaterThan(0);
        });
    });

    describe('Cacheable Interface', function () {
        it('verifies Cacheable components implement required methods', function () {
            $component = new UserStatsComponent(
                ComponentId::create('user-stats', 'test'),
                ComponentState::empty()
            );

            expect($component)->toBeInstanceOf(Cacheable::class);
            expect($component)->toBeInstanceOf(LiveComponentContract::class);

            $reflection = new ReflectionClass($component);
            
            // Check required methods
            expect($reflection->hasMethod('getCacheKey'))->toBeTrue();
            expect($reflection->hasMethod('getCacheTTL'))->toBeTrue();
            expect($reflection->hasMethod('shouldCache'))->toBeTrue();
            expect($reflection->hasMethod('getCacheTags'))->toBeTrue();
            expect($reflection->hasMethod('getVaryBy'))->toBeTrue();
            expect($reflection->hasMethod('getStaleWhileRevalidate'))->toBeTrue();

            // Check return types
            $ttlMethod = $reflection->getMethod('getCacheTTL');
            expect($ttlMethod->getReturnType()?->getName())->toBe(Duration::class);

            $varyByMethod = $reflection->getMethod('getVaryBy');
            $varyByReturnType = $varyByMethod->getReturnType();
            expect($varyByReturnType?->allowsNull())->toBeTrue();
        });

        it('verifies getCacheKey() returns string', function () {
            $component = new UserStatsComponent(
                ComponentId::create('user-stats', 'test'),
                ComponentState::empty()
            );

            $key = $component->getCacheKey();
            expect($key)->toBeString();
            expect($key)->not->toBeEmpty();
        });

        it('verifies getCacheTTL() returns Duration', function () {
            $component = new UserStatsComponent(
                ComponentId::create('user-stats', 'test'),
                ComponentState::empty()
            );

            $ttl = $component->getCacheTTL();
            expect($ttl)->toBeInstanceOf(Duration::class);
        });

        it('verifies getCacheTags() returns array', function () {
            $component = new UserStatsComponent(
                ComponentId::create('user-stats', 'test'),
                ComponentState::empty()
            );

            $tags = $component->getCacheTags();
            expect($tags)->toBeArray();
        });
    });

    describe('LifecycleAware Interface', function () {
        it('verifies LifecycleAware components implement required methods', function () {
            // Find a component that implements LifecycleAware
            $componentClass = CounterComponent::class;
            $reflection = new ReflectionClass($componentClass);
            
            if ($reflection->implementsInterface(LifecycleAware::class)) {
                $component = new $componentClass(
                    ComponentId::create('counter', 'test'),
                    \App\Application\LiveComponents\Counter\CounterState::empty()
                );

                expect($component)->toBeInstanceOf(LifecycleAware::class);

                // Check required methods
                expect($reflection->hasMethod('onMount'))->toBeTrue();
                expect($reflection->hasMethod('onUpdate'))->toBeTrue();
                expect($reflection->hasMethod('onDestroy'))->toBeTrue();

                // Check method signatures (all should return void)
                $onMountMethod = $reflection->getMethod('onMount');
                expect($onMountMethod->getReturnType()?->getName())->toBe('void');
            } else {
                // Skip if no component implements LifecycleAware in test scope
                $this->markTestSkipped('No LifecycleAware component found for testing');
            }
        });
    });

    describe('SupportsFileUpload Interface', function () {
        it('verifies SupportsFileUpload components implement required methods', function () {
            // Find a component that implements SupportsFileUpload
            $componentClass = \App\Application\LiveComponents\ImageUploader\ImageUploaderComponent::class;
            
            if (!class_exists($componentClass)) {
                $this->markTestSkipped('ImageUploaderComponent not available');
                return;
            }

            $reflection = new ReflectionClass($componentClass);
            
            if ($reflection->implementsInterface(SupportsFileUpload::class)) {
                expect($reflection->hasMethod('handleUpload'))->toBeTrue();
                expect($reflection->hasMethod('validateUpload'))->toBeTrue();
                expect($reflection->hasMethod('getAllowedMimeTypes'))->toBeTrue();
                expect($reflection->hasMethod('getMaxFileSize'))->toBeTrue();

                // Check handleUpload signature
                $handleUploadMethod = $reflection->getMethod('handleUpload');
                $params = $handleUploadMethod->getParameters();
                expect(count($params))->toBeGreaterThanOrEqual(1);
                expect($params[0]->getType()?->getName())->toBe(\App\Framework\Http\UploadedFile::class);
            } else {
                $this->markTestSkipped('No SupportsFileUpload component found for testing');
            }
        });
    });

    describe('SupportsSlots Interface', function () {
        it('verifies SupportsSlots components implement required methods', function () {
            // Find a component that implements SupportsSlots
            $componentClass = \App\Application\LiveComponents\LayoutComponent::class;
            
            if (!class_exists($componentClass)) {
                $this->markTestSkipped('LayoutComponent not available');
                return;
            }

            $reflection = new ReflectionClass($componentClass);
            
            if ($reflection->implementsInterface(SupportsSlots::class)) {
                expect($reflection->hasMethod('getSlotDefinitions'))->toBeTrue();
                expect($reflection->hasMethod('processSlotContent'))->toBeTrue();
                expect($reflection->hasMethod('getSlotContext'))->toBeTrue();
            } else {
                $this->markTestSkipped('No SupportsSlots component found for testing');
            }
        });
    });

    describe('LiveComponentContract Interface', function () {
        it('verifies all components implement LiveComponentContract', function () {
            $components = [
                CounterComponent::class,
                PerformanceMetricsComponent::class,
                UserStatsComponent::class,
                FailedJobsListComponent::class,
            ];

            foreach ($components as $componentClass) {
                $reflection = new ReflectionClass($componentClass);
                expect($reflection->implementsInterface(LiveComponentContract::class))->toBeTrue(
                    "Component {$componentClass} must implement LiveComponentContract"
                );

                // Check required properties
                expect($reflection->hasProperty('id'))->toBeTrue();
                expect($reflection->hasProperty('state'))->toBeTrue();

                // Check required methods
                expect($reflection->hasMethod('getRenderData'))->toBeTrue();

                $getRenderDataMethod = $reflection->getMethod('getRenderData');
                expect($getRenderDataMethod->isPublic())->toBeTrue();
                expect($getRenderDataMethod->getReturnType()?->getName())->toBe(
                    \App\Framework\LiveComponents\ValueObjects\ComponentRenderData::class
                );
            }
        });
    });

    describe('Interface Method Signatures', function () {
        it('verifies Pollable::poll() signature', function () {
            $reflection = new ReflectionClass(Pollable::class);
            $pollMethod = $reflection->getMethod('poll');
            
            expect($pollMethod->getReturnType()?->getName())->toBe(\App\Application\LiveComponents\LiveComponentState::class);
            expect($pollMethod->getParameters())->toBeEmpty();
        });

        it('verifies Cacheable::getCacheTTL() signature', function () {
            $reflection = new ReflectionClass(Cacheable::class);
            $ttlMethod = $reflection->getMethod('getCacheTTL');
            
            expect($ttlMethod->getReturnType()?->getName())->toBe(Duration::class);
            expect($ttlMethod->getParameters())->toBeEmpty();
        });

        it('verifies SupportsFileUpload::handleUpload() signature', function () {
            $reflection = new ReflectionClass(SupportsFileUpload::class);
            $handleUploadMethod = $reflection->getMethod('handleUpload');
            
            $params = $handleUploadMethod->getParameters();
            expect(count($params))->toBeGreaterThanOrEqual(1);
            expect($params[0]->getType()?->getName())->toBe(\App\Framework\Http\UploadedFile::class);
            expect($handleUploadMethod->getReturnType()?->getName())->toBe(\App\Application\LiveComponents\LiveComponentState::class);
        });
    });
});