<?php

namespace App\Http\Controllers;

use App\Models\Article;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Facades\Log;
use Intervention\Image\Facades\Image;

class ArticleController extends Controller
{
 public function update(Request $request, $slug)
    {
        $request->validate([
            'title_en' => 'required_without:title_cs',
            'content_en' => 'required_without:content_cs',
            'title_cs' => 'required_without:title_en',
            'content_cs' => 'required_without:content_en',
            'background_image' => 'image|mimes:jpeg,png,jpg,gif|max:2048',
        ]);

        $article = Article::where('slug', $slug)->firstOrFail();
        $imagePath = $article->background_image;
        $thumbnailPath = $article->thumbnail_image;

        if ($request->hasFile('background_image')) {
            try {
                // Delete the old image and thumbnail if exists
                if ($article->background_image) {
                    Storage::disk('public')->delete($article->background_image);
                    Storage::disk('public')->delete($article->thumbnail_image);
                }

                $image = $request->file('background_image');
                $imagePath = $image->store('uploads/images', 'public');

                // Resize image to 1920px width
                $resizedImage = Image::make($image)->resize(1920, null, function ($constraint) {
                    $constraint->aspectRatio();
                    $constraint->upsize();
                });
                $resizedImage->save(storage_path('app/public/' . $imagePath));

                // Create thumbnail
                $thumbnailPath = str_replace('.', '_thumbnail.', $imagePath);
                $thumbnail = Image::make($image)->resize(256, null, function ($constraint) {
                    $constraint->aspectRatio();
                    $constraint->upsize();
                });
                $thumbnail->save(storage_path('app/public/' . $thumbnailPath));

                Log::info('Image uploaded and resized successfully: ' . $imagePath);
            } catch (\Exception $e) {
                Log::error('Image upload error: ' . $e->getMessage());
            }
        }

        $article->update([
            'title_en' => $request->title_en,
            'content_en' => $request->content_en,
            'title_cs' => $request->title_cs,
            'content_cs' => $request->content_cs,
            'slug' => \Str::slug($request->title_en ?? $request->title_cs),
            'author_id' => Auth::id(),
            'background_image' => $imagePath,
            'thumbnail_image' => $thumbnailPath,
            'edited_on' => now(),
        ]);

        return redirect()->route('articles.index');
    }
}