<?php

declare(strict_types=1);

namespace App\Framework\View\Processors;

use App\Framework\Core\PathProvider;
use App\Framework\Template\Processing\DomProcessor;
use App\Framework\View\DomHeadService;
use App\Framework\View\DomWrapper;
use App\Framework\View\Exceptions\TemplateProcessorException;
use App\Framework\View\RenderContext;

final class AssetInjector implements DomProcessor
{
    private array $manifest;

    public function __construct(
        PathProvider $pathProvider,
        private DomHeadService $headService,
        string $manifestPath = '',
    ) {

        $manifestPath = $pathProvider->resolvePath('/public/.vite/manifest.json');
        ;

        #$manifestPath = dirname(__DIR__, 3) . '../public/.vite/manifest.json';

        if (! is_file($manifestPath)) {
            throw TemplateProcessorException::manifestNotFound($manifestPath);
        }
        $json = file_get_contents($manifestPath);

        $this->manifest = json_decode($json, true) ?? [];
    }

    public function process(DomWrapper $dom, RenderContext $context): DomWrapper
    {
        // Skip if this is a partial render (e.g. component)
        if ($context->isPartial ?? false) {
            return $dom;
        }

        // JS-Key, wie im Manifest unter "resources/js/main.js"
        $jsKey = 'resources/js/main.js';

        // Debug: Log what we have in manifest
        error_log("AssetInjector: Processing with manifest: " . json_encode($this->manifest));

        // Check if we have the JS key in manifest
        if (! isset($this->manifest[$jsKey])) {
            error_log("AssetInjector: Key '$jsKey' not found in manifest!");

            return $dom;
        }

        // Debug: Log the CSS array
        if (isset($this->manifest[$jsKey]['css'])) {
            error_log("AssetInjector: CSS array found: " . json_encode($this->manifest[$jsKey]['css']));
        } else {
            error_log("AssetInjector: No CSS array in manifest entry!");
        }

        // Use DomHeadService instead of direct manipulation
        if (! empty($this->manifest[$jsKey]['css']) && is_array($this->manifest[$jsKey]['css'])) {
            foreach ($this->manifest[$jsKey]['css'] as $cssFile) {
                error_log("AssetInjector: Adding CSS file: " . $cssFile);
                $this->headService->addStylesheet($dom, '/' . ltrim($cssFile, '/'));
            }
        }

        // --- JS Main Script ---
        if (isset($this->manifest[$jsKey]['file']) && str_ends_with($this->manifest[$jsKey]['file'], '.js')) {
            error_log("AssetInjector: Adding JS file: " . $this->manifest[$jsKey]['file']);
            $this->headService->addScript($dom, '/' . ltrim($this->manifest[$jsKey]['file'], '/'));
        }

        return $dom;
    }
}