<?php

/**
 * Example with 2 framework windows running in parallel threads
 * Requires: parallel extension
 *
 * Note: Each window runs in its own thread with its own event loop
 */

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

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

// Check if parallel extension is loaded
if (!extension_loaded('parallel')) {
    die("Error: parallel extension is not loaded. Install with: pecl install parallel\n");
}

echo "Starting 2 framework windows in parallel threads...\n\n";

/**
 * Function to run a window with the framework in a thread
 */
$windowRunner = function(string $title, int $x, int $y, string $bgColor) {
    require_once __DIR__ . '/../vendor/autoload.php';

    // Create application for this thread
    $app = new \PHPNative\Framework\Application();

    // Create window
    $window = $app->createWindow($title, 400, 350, $x, $y);

    // Create UI
    $container = new \PHPNative\Ui\Widget\Container("flex flex-col p-6 gap-4 bg-$bgColor-100");

    $titleLabel = new \PHPNative\Ui\Widget\Label(
        text: $title,
        style: "text-2xl text-$bgColor-900"
    );

    $infoLabel = new \PHPNative\Ui\Widget\Label(
        text: 'Running in separate thread',
        style: "text-sm text-$bgColor-700"
    );

    $frameLabel = new \PHPNative\Ui\Widget\Label(
        text: 'Frame: 0',
        style: "text-base text-$bgColor-600"
    );

    $button = new \PHPNative\Ui\Widget\Button(
        text: 'Click Me!',
        style: "bg-$bgColor-500 hover:bg-$bgColor-700 text-white p-4 rounded-lg"
    );

    $clickCount = 0;
    $button->setOnClick(function() use (&$clickCount, $button, $title) {
        $clickCount++;
        $button->setText("Clicked $clickCount times");
        echo "$title - Button clicked! Count: $clickCount\n";
    });

    $closeButton = new \PHPNative\Ui\Widget\Button(
        text: 'Close Window',
        style: "bg-red-500 hover:bg-red-700 text-white p-3 rounded"
    );

    $closeButton->setOnClick(function() use ($window) {
        $window->close();
    });

    $container->addComponent($titleLabel);
    $container->addComponent($infoLabel);
    $container->addComponent($frameLabel);
    $container->addComponent($button);
    $container->addComponent($closeButton);

    $window->setRoot($container);

    // Custom run loop with frame counter
    $frameCount = 0;
    while (!$window->shouldClose()) {
        $frameCount++;
        $frameLabel->setText("Frame: $frameCount");

        $window->layout();

        // Poll events
        rgfw_pollEvents();
        $window->handleEvents();

        // Update
        \PHPNative\Async\TaskManager::getInstance()->update();
        $window->update();

        // Render
        $window->render();

        // ~60 FPS
        usleep(16666);
    }

    // Cleanup
    $window->cleanup();

    return "$title closed after $frameCount frames";
};

try {
    // Launch Window 1 (Blue) in thread
    echo "Launching Window 1 (Blue) in thread...\n";
    $runtime1 = new Runtime();
    $future1 = $runtime1->run($windowRunner, [
        'Window 1 - Blue',
        100,
        100,
        'blue'
    ]);

    // Launch Window 2 (Green) in thread
    echo "Launching Window 2 (Green) in thread...\n";
    $runtime2 = new Runtime();
    $future2 = $runtime2->run($windowRunner, [
        'Window 2 - Green',
        550,
        100,
        'green'
    ]);

    echo "\nBoth windows launched in parallel threads!\n";
    echo "Each window has its own event loop\n";
    echo "Try clicking the buttons and closing windows\n";
    echo "Main thread waiting for windows to close...\n\n";

    // Wait for both windows to complete
    echo "Waiting for Window 1...\n";
    $result1 = $future1->value();
    echo $result1 . "\n";

    echo "Waiting for Window 2...\n";
    $result2 = $future2->value();
    echo $result2 . "\n";

    echo "\nAll windows closed. Application exiting.\n";

} catch (\Throwable $e) {
    echo "Error: " . $e->getMessage() . "\n";
    echo "Stack trace:\n" . $e->getTraceAsString() . "\n";
}