<?php

declare(strict_types=1);

require_once __DIR__ . '/../../vendor/autoload.php';

use App\Application\LiveComponents\InfiniteScroll\InfiniteScrollComponent;
use App\Application\LiveComponents\Services\DemoScrollDataProvider;
use App\Framework\DI\DefaultContainer;
use App\Framework\Discovery\UnifiedDiscoveryService;
use App\Framework\LiveComponents\DataProviderResolver;
use App\Framework\LiveComponents\ValueObjects\ComponentId;

echo "\nTesting DataProvider Resolution Flow\n";
echo str_repeat('=', 70) . "\n\n";

// 1. Setup minimal dependencies
echo "1. Setting up DataProviderResolver...\n";
$container = new DefaultContainer();

// Bootstrap discovery system
$basePath = dirname(__DIR__, 2) . '/src';
$cacheDir = dirname(__DIR__, 2) . '/storage/cache';
$discovery = UnifiedDiscoveryService::createForWeb($basePath, $cacheDir);

// Register discovery
$container->singleton(UnifiedDiscoveryService::class, $discovery);

// Register DemoScrollDataProvider
$container->singleton(DemoScrollDataProvider::class, fn () => new DemoScrollDataProvider());

// Create DataProviderResolver
$resolver = new DataProviderResolver($discovery);
echo "✓ DataProviderResolver created\n\n";

// 2. Test 1: Initial Render with dataSource
echo "2. Test 1: Initial Render with dataSource='demo'...\n";
$component = new InfiniteScrollComponent(
    id: ComponentId::fromString('scroll:test'),
    dataProviderResolver: $resolver,
    items: [],
    currentPage: 0,
    pageSize: 5,
    dataSource: 'demo'
);
echo "✓ Component created\n";

$initialData = $component->getData();
echo "  - dataSource in state: " . $initialData->get('data_source') . "\n";
echo "  - Initial items: " . count($initialData->get('items')) . "\n\n";

// 3. Test 2: Execute Action
echo "3. Test 2: Execute Action - loadMore()...\n";

try {
    $actionResult = $component->loadMore();
    echo "✓ Action executed\n";

    $items = $actionResult->get('items');
    echo "  - Items loaded: " . count($items) . "\n";
    echo "  - Current page: " . $actionResult->get('current_page') . "\n";
    echo "  - dataSource preserved: " . $actionResult->get('data_source') . "\n\n";
} catch (Exception $e) {
    echo "✗ ERROR in loadMore(): " . $e->getMessage() . "\n";
    echo "  Stack trace:\n";
    echo $e->getTraceAsString() . "\n\n";
    exit(1);
}

// 4. Test 3: State Restoration
echo "4. Test 3: State Restoration from ComponentData...\n";

try {
    $restoredComponent = new InfiniteScrollComponent(
        id: ComponentId::fromString('scroll:test'),
        dataProviderResolver: $resolver,
        initialData: $actionResult
    );
    echo "✓ Component restored from state\n";

    $restoredData = $restoredComponent->getData();
    echo "  - Restored items: " . count($restoredData->get('items')) . "\n";
    echo "  - Restored page: " . $restoredData->get('current_page') . "\n";
    echo "  - Restored dataSource: " . $restoredData->get('data_source') . "\n\n";
} catch (Exception $e) {
    echo "✗ ERROR in state restoration: " . $e->getMessage() . "\n";
    echo "  Stack trace:\n";
    echo $e->getTraceAsString() . "\n\n";
    exit(1);
}

// 5. Test 4: Action on Restored Component
echo "5. Test 4: Action on Restored Component - loadMore()...\n";

try {
    $secondActionResult = $restoredComponent->loadMore();
    echo "✓ Second action executed\n";

    $secondItems = $secondActionResult->get('items');
    echo "  - Total items: " . count($secondItems) . "\n";
    echo "  - Current page: " . $secondActionResult->get('current_page') . "\n";
    echo "  - dataSource: " . $secondActionResult->get('data_source') . "\n\n";
} catch (Exception $e) {
    echo "✗ ERROR in second loadMore(): " . $e->getMessage() . "\n";
    echo "  Stack trace:\n";
    echo $e->getTraceAsString() . "\n\n";
    exit(1);
}

// 6. Verify Results
echo "6. Verifying Results...\n";
$allPassed = true;

if ($secondActionResult->get('data_source') !== 'demo') {
    echo "✗ FAIL: dataSource not preserved (expected 'demo', got '" . $secondActionResult->get('data_source') . "')\n";
    $allPassed = false;
} else {
    echo "✓ PASS: dataSource preserved correctly\n";
}

if ($secondActionResult->get('current_page') !== 2) {
    echo "✗ FAIL: Page count incorrect (expected 2, got " . $secondActionResult->get('current_page') . ")\n";
    $allPassed = false;
} else {
    echo "✓ PASS: Page count correct (2)\n";
}

if (count($secondItems) !== 10) {
    echo "✗ FAIL: Item count incorrect (expected 10, got " . count($secondItems) . ")\n";
    $allPassed = false;
} else {
    echo "✓ PASS: Item count correct (10)\n";
}

echo "\n" . str_repeat('=', 70) . "\n";
if ($allPassed) {
    echo "✓✓✓ ALL TESTS PASSED ✓✓✓\n";
    echo "DataProvider resolution flow works correctly!\n";
    exit(0);
} else {
    echo "✗✗✗ SOME TESTS FAILED ✗✗✗\n";
    exit(1);
}