<?php

namespace App\Http\Controllers\Dashboard;

use App\Http\Controllers\Controller;
use App\Http\Requests\AnnouncementRequest;
use App\Models\Announcement;
use App\Models\Media;
use App\Models\User;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\DB;

class AnnouncementController extends Controller
{
    public function index(Request $request){

        $category = $request->input('category', 'general');

        $data = [
            'title' => 'Pengumuman',
            'category' => $category
        ];

        if(is_role(['1'])){
            return view('dashboard.announcements.index', $data);
        }else if(is_role(['3'])){
            return view('dashboard.announcements.media.index', $data);
        }
    }

    public function create(){
        return view('dashboard.announcements.create', [
            'title' => 'Buat Pengumuman Baru',
            'users' => User::all()
        ]);
    }

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

        try{

            if($request->hasFile('attachment')){
                $validatedData['attachment'] = store_file($validatedData['attachment'], '/uploads/announcements')['randomFileName'];
            }

            $announcement = DB::transaction(function() use ($validatedData){
                $announcement = Announcement::create($validatedData);
                $announcement->users()->attach($validatedData['user_ids']);


                if($announcement->users()->count() < 1){
                    throw new \Exception("Data tidak valid.");
                }

                return $announcement;
            });

        }catch(\Exception $e){
            return redirect()->back()->with('failed-status', 'Gagal membuat pengumuman baru');
        }

        return redirect()->route('dashboard.announcements.index')->with('success-status', 'Berhasil membuat pengumuman baru.')->with('new_data', encrypt_id($announcement->id));
    }

    public function edit($id){
        $announcement = Announcement::with(['users'])->findOrFail(decrypt_id($id));

        return view('dashboard.announcements.edit', [
            'title' => 'Ubah Pengumuman',
            'announcement' => $announcement,
            'users' => User::all(),
            'selectedUsersIds' => $announcement->users->pluck('id')->toArray()
        ]);
    }

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

        try{

            $announcement = Announcement::with(['users'])->findOrFail(decrypt_id($id));

            DB::transaction(function () use($request, $validatedData, $announcement){
                if($request->hasFile('attachment')){
                    $validatedData['attachment'] = store_file($validatedData['attachment'], '/uploads/announcements')['randomFileName'];
                    delete_file('uploads/announcements/'.$announcement->attachment);
                }else{
                    $validatedData['attachment'] = $announcement->attachment;
                }

                $announcement->update($validatedData);
                if ($request->has('user_ids')) {
                    $mediaData = [];
                    foreach ($validatedData['user_ids'] as $userId) {
                        $mediaData[$userId] = ['status' => '0'];
                    }

                    $announcement->users()->sync($mediaData);
                }
            });

            return redirect()->back()->with('success-status', 'Berhasil mengubah pengumuman.');
        }catch(\Exception $e){

            return redirect()->back()->with('failed-status', 'Gagal mengubah pengumuman.');
        }
    }

    public function show($id){
        $announcement = Announcement::with(['users' => function($query) {
            $query->withPivot('category');
        }])->findOrFail(decrypt_id($id));

        return view('dashboard.announcements.show', [
            'title' => 'Detail Pengumuman',
            'announcement' => $announcement,
        ]);
    }

    public function destroy($id){
        try {
            $announcement = Announcement::with(['users'])->findOrFail(decrypt_id($id));

            $announcement->users()->detach();
            $announcement->delete();

            return response()->json(['message' => 'Berhasil menghapus pengumuman.']);
        } catch (\Exception $e) {
            return response()->json(['message' => 'Gagal menghapus pengumuman.'], 500);
        }
    }

    public function read($id){
        $announcement = Announcement::with(['users'])->findOrFail(decrypt_id($id));

        if(!in_array(Auth::id(), $announcement->users->pluck('id')->toArray())){
            abort(404, "Pengumuman tidak ditemukan.");
        }

        try{
            $announcement->users()->updateExistingPivot(Auth::id(), [
                'status' => '1',
            ]);
        }catch(\Exception $e){
            return redirect()->back()->with('failed-status',  'Gagal membaca pengumuman.');
        }

        return view('dashboard.announcements.read', [
            'title' => 'Baca Pengumuman',
            'announcement' => $announcement,
        ]);
    }
}