<?php

namespace App\Services;

use Illuminate\Support\Facades\App;
use Spatie\Browsershot\Browsershot;

class BrowsershotService
{
    public function crawlHtml(string $url, array $options = []): string
    {
        $browsershot = $this->configureBrowsershot($url, $options);

        return $browsershot->bodyHtml();
    }

    public function takeScreenshot(string $url, array $options = []): array
    {
        $browsershot = $this->configureBrowsershot($url, $options);

        // Configure viewport for screenshots
        $width = $options['viewport_width'] ?? 1920;
        $height = $options['viewport_height'] ?? 1080;
        $browsershot->windowSize($width, $height);

        // Always use WebP format
        $quality = $options['quality'] ?? 90;
        $browsershot->setScreenshotType('webp', $quality);

        $tempPath = storage_path("temp_screenshot_webp." . time() . '.webp');
        $browsershot->save($tempPath);

        $imageData = file_get_contents($tempPath);
        unlink($tempPath);

        return [
            'data' => $imageData,
            'mime_type' => 'image/webp',
            'width' => $width,
            'height' => $height
        ];
    }

    private function configureBrowsershot(string $url, array $options = []): Browsershot
    {
        $browsershot = Browsershot::url($url)
            ->waitUntilNetworkIdle() // Always enabled for production to ensure proper rendering
            ->preventUnsuccessfulResponse();


        if (App::environment('production')) {
            $browsershot->noSandbox();
        }

        // Basic configuration with maximum timeout safeguard
        $timeout = $options['timeout'] ?? 30;
        $maxTimeout = 300; // 5 minutes maximum to prevent indefinite waiting
        $browsershot->timeout(min($timeout, $maxTimeout));

        if (isset($options['delay'])) {
            $browsershot->setDelay($options['delay']);
        }

        // waitUntilNetworkIdle() is always enabled (configured above on line 47)
        // Removed conditional logic as network idle waiting is required for production

        // Apply ad/tracker blocking
        if (($options['block_ads'] ?? true) || ($options['block_trackers'] ?? true)) {
            $easyListService = new EasyListService();
            $blockedDomains = $easyListService->getBlockedDomains($url);
            $blockedUrls = $easyListService->getBlockedUrls($url);

            if (!empty($blockedDomains)) {
                $browsershot->blockDomains($blockedDomains);
            }
            if (!empty($blockedUrls)) {
                $browsershot->blockUrls($blockedUrls);
            }
        }

        return $browsershot;
    }
}