<?php

namespace App\Http\Controllers\Dashboard;

use App\Exports\NewsExport;
use App\Http\Controllers\Controller;
use App\Http\Requests\NewsRequest;
use App\Models\News;
use Barryvdh\DomPDF\Facade\Pdf;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Str;
use Maatwebsite\Excel\Facades\Excel;

class NewsController extends Controller
{
    public function index(Request $request){
        return view('dashboard.news.index', [
            'title' => 'Data Berita',
            'category' => $request->input('category', null),
            'year' => $request->input('year', null),
            'month' => $request->input('month', null),
            'date' => $request->input('date', null),
        ]);

    }

    public function create(){
        return view('dashboard.news.create', [
            'title' => 'Buat Berita Baru'
        ]);
    }

    public function store(NewsRequest $request){
        $validatedData = $request->validated();

        $isNewsExists = News::withTrashed()->where('slug', $validatedData['slug'])->first();

        if($isNewsExists){
            return redirect()->back()->with('failed-status', 'Maaf, berita dengan judul tersebut sudah pernah ditambahkan.');
        }

        try{
            if($request->has('image')){
                $validatedData['image'] = store_file($validatedData['image'], '/uploads/news')['randomFileName'];
            }
            News::create($validatedData);
        }catch(\Exception $e){
            return redirect()->back()->with('failed-status', 'Gagal membuat berita baru.');
        }

        return redirect()->route('dashboard.news.index')->with('success-status', 'Berhasil membuat berita baru.');
    }

    public function edit($id){
        $news = News::findOrFail(decrypt_id($id));

        return view('dashboard.news.edit', [
            'title' => 'Ubah Berita',
            'news' => $news
        ]);
    }

    public function update(NewsRequest $request, $id){
        $validatedData = $request->validated();

        try{
            $news = News::findOrFail(decrypt_id($id));

            if($request->has('image')){
                delete_file('uploads/news/'.$news->image);
                $validatedData['image'] = store_file($validatedData['image'], '/uploads/news')['randomFileName'];
            }else{
                $validatedData['image'] = $news->image;
            }

            $isNewsExists = News::where('slug', $validatedData['slug'])->first();

            if($isNewsExists && $isNewsExists->id !== $news->id){
                return redirect()->back()->with('failed-status', 'Maaf, berita dengan judul tersebut sudah pernah ditambahkan.');
            }

            $news->update($validatedData);

        }catch(\Exception $e){
            return redirect()->back()->with('failed-status', 'Gagal mengubah berita.');
        }

        return redirect()->back()->with('success-status', 'Berhasil mengubah berita.');

    }

    public function show($id){
        $news = News::findOrFail(decrypt_id($id));

        return view('dashboard.news.show', [
            'title' => 'Detail Berita',
            'news' => $news
        ]);
    }

    public function destroy($id)
    {
        try {
            $news = News::findOrFail(decrypt_id($id));
            DB::transaction(function () use ($id, $news) {

                $newSlug = Str::limit($news->slug . '-deleted-' . now()->timestamp, 191);

                $news->update([
                    'slug' => $newSlug,
                ]);

                $news->delete();
            });

            return response()->json(['message' => 'Berhasil menghapus berita.']);
        } catch (\Illuminate\Database\Eloquent\ModelNotFoundException $e) {
            return response()->json(['message' => 'Berita tidak ditemukan.'], 404);
        } catch (\Exception $e) {
            Log::error('Gagal menghapus berita: ' . $e->getMessage());
            return response()->json(['message' => 'Gagal menghapus berita.'], 500);
        }
    }


    public function export(Request $request)
    {

        try{
            $category = $request->input('category', 'all');
            $year = $request->input('year', null);
            $month = $request->input('month', null);
            $date = $request->input('date', null);

            return Excel::download(new NewsExport($category, $year, $month, $date), 'news.xlsx');
        }catch(\Exception $e){
            return redirect()->back()->with('failed-status', 'Gagal melakukan proses export data.');
        }

    }

    public function filter(Request $request){

        try{
            $filteredRequest = $request->except('_token');

            $filterField = array_filter($filteredRequest, function ($value) {
                return filled($value);
            });

            return redirect()->route('dashboard.news.index', $filterField);
        }catch(\Exception $e){
            return redirect()->back()->with('status-failed', 'Gagal melakukan proses filtering data.');
        }


    }

    public function printData($slug){

        try{
            $news = News::where('slug', $slug)->first();

            $pdf = Pdf::loadView('dashboard.news.print', compact('news'));

            return $pdf->stream('berita-'.$news->slug.'.pdf');
        }catch(\Exception $e){
            return redirect()->back()->with('failed-status', 'Gagal melakukan proses print data.');
        }

    }

    public function checkLink(Request $request)
    {
        $linkExists = News::where('link', $request->link)->exists();

        return response()->json([
            'exists' => $linkExists
        ]);
    }
}