<?php
namespace App\Http\Controllers\Admin;
use App\Http\Controllers\Controller;
use App\Models\ReferenceArticle;
use Illuminate\Http\Request;
use Illuminate\Support\Str;
class ReferenceController extends Controller {
    public function index() {
        $articles = ReferenceArticle::orderBy('category')->orderBy('sort_order')->get()->groupBy('category');
        $categories = ReferenceArticle::categories();
        return view('admin.reference.index', compact('articles','categories'));
    }
    public function create() {
        $categories = ReferenceArticle::categories();
        return view('admin.reference.create', compact('categories'));
    }
    public function store(Request $r) {
        $r->validate(['title'=>'required|string|max:120','category'=>'required|in:deutsch,mathe,englisch','icon'=>'required|string|max:8','content'=>'required|string']);
        ReferenceArticle::create([
            'title'      => $r->title,
            'slug'       => Str::slug($r->title).'-'.uniqid(),
            'category'   => $r->category,
            'icon'       => $r->icon,
            'content'    => $r->content,
            'sort_order' => (int)$r->sort_order,
        ]);
        return redirect()->route('admin.reference.index')->with('success','Artikel erstellt.');
    }
    public function edit(ReferenceArticle $reference) {
        $categories = ReferenceArticle::categories();
        return view('admin.reference.edit', compact('reference','categories'));
    }
    public function update(Request $r, ReferenceArticle $reference) {
        $r->validate(['title'=>'required|string|max:120','category'=>'required|in:deutsch,mathe,englisch','icon'=>'required|string|max:8','content'=>'required|string']);
        $reference->update([
            'title'      => $r->title,
            'category'   => $r->category,
            'icon'       => $r->icon,
            'content'    => $r->content,
            'sort_order' => (int)$r->sort_order,
        ]);
        return redirect()->route('admin.reference.index')->with('success','Gespeichert.');
    }
    public function destroy(ReferenceArticle $reference) {
        $reference->delete();
        return redirect()->route('admin.reference.index')->with('success','Artikel gelöscht.');
    }
}