<?php

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

use PHPNative\Framework\Application;
use PHPNative\Ui\Widget\Button;
use PHPNative\Ui\Widget\Container;
use PHPNative\Ui\Widget\Label;

// Create application
$app = new Application('Async Button Example', 800, 600);

// Create UI components
$container = new Container('flex flex-col p-4 gap-4');

// Status label to show loading state
$statusLabel = new Label(
    text: 'Klicken Sie den Button, um Daten zu laden...',
    style: 'text-base text-gray-700'
);

// Result label to show fetched data
$resultLabel = new Label(
    text: '',
    style: 'text-sm text-blue-600'
);

// Button with async onClick handler
$button = new Button(
    text: 'Daten aus dem Web laden',
    style: 'bg-blue-500 hover:bg-blue-700 text-white p-4 rounded-lg'
);

// Set async click handler
$button->setOnClickAsync(
    // Task that runs in background thread
    onClickAsync: function() {
        // Simulate web request (or use real HTTP client)
        sleep(2); // Simulates network delay

        // In production, you would use something like:
        // $response = file_get_contents('https://api.example.com/data');
        // return json_decode($response, true);

        return [
            'status' => 'success',
            'data' => 'Daten erfolgreich geladen!',
            'timestamp' => date('H:i:s')
        ];
    },

    // Callback when task completes successfully
    onComplete: function($result) use ($statusLabel, $resultLabel) {
        $statusLabel->setText('✓ Laden abgeschlossen!');
        $resultLabel->setText(
            'Status: ' . $result['status'] . "\n" .
            'Daten: ' . $result['data'] . "\n" .
            'Zeit: ' . $result['timestamp']
        );
    },

    // Callback when task fails
    onError: function($error) use ($statusLabel, $resultLabel) {
        $statusLabel->setText('✗ Fehler beim Laden!');
        $resultLabel->setText('Error: ' . $error->getMessage());
    }
);

// Add components to container
$container->addComponent($statusLabel);
$container->addComponent($button);
$container->addComponent($resultLabel);

// Set root component and run
$app->setRoot($container)->run();