<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use App\Models\Gallery;
use App\Models\GalleryCategory;
use App\Models\GalleryImage;
use App\Models\User;
use App\Notifications\GalleryActionNotification;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Notification;
use Illuminate\Support\Str;
use Illuminate\Support\Facades\Storage;

class GalleryController extends Controller
{
    public function index()
    {
        $galleries = Gallery::withCount('images')->latest()->paginate(10);
        return view('admin.galleries.index', compact('galleries'));
    }

    public function create()
    {
        $categories = GalleryCategory::where('active', true)->orderBy('name')->get();
        return view('admin.galleries.create', compact('categories'));
    }

    public function store(Request $request)
    {
        $request->validate([
            'title' => 'required|string|max:255',
            'slug' => 'required|string|max:255|unique:galleries',
            'description' => 'nullable|string',
            'category_id' => 'nullable|exists:gallery_categories,id',
        ]);

        $gallery = Gallery::create([
            'title' => $request->title,
            'slug' => $request->slug,
            'description' => $request->description,
            'category_id' => $request->category_id,
            'active' => true,
        ]);

        /** @var \App\Models\User $user */
        $user = Auth::user();
        $admins = User::where('user_type', 'Admin')->where('id', '!=', $user->id)->get();
        Notification::send($admins, new GalleryActionNotification($gallery, $user, 'created'));

        return redirect()->route('admin.galleries.index')->with('success', 'Galeria criada com sucesso.');
    }

    public function edit(Gallery $gallery)
    {
        $gallery->load('images');
        $categories = GalleryCategory::where('active', true)->orderBy('name')->get();
        return view('admin.galleries.edit', compact('gallery', 'categories'));
    }

    public function update(Request $request, Gallery $gallery)
    {
        $request->validate([
            'title' => 'required|string|max:255',
            'slug' => 'required|string|max:255|unique:galleries,slug,' . $gallery->id,
            'description' => 'nullable|string',
            'active' => 'required|boolean',
            'category_id' => 'nullable|exists:gallery_categories,id',
        ]);

        $gallery->update($request->all());

        /** @var \App\Models\User $user */
        $user = Auth::user();
        $admins = User::where('user_type', 'Admin')->where('id', '!=', $user->id)->get();
        Notification::send($admins, new GalleryActionNotification($gallery, $user, 'updated'));

        return redirect()->route('admin.galleries.index')->with('success', 'Galeria atualizada com sucesso.');
    }

    public function destroy(Gallery $gallery)
    {
        foreach ($gallery->images as $image) {
            Storage::disk('public')->delete($image->file_path);
        }
        $gallery->delete();
        return redirect()->route('admin.galleries.index')->with('success', 'Galeria e suas imagens excluídas.');
    }

    // Gerenciamento de Imagens
    public function uploadImage(Request $request, Gallery $gallery)
    {
        $request->validate([
            'images' => 'required|array|min:1|max:20',
            'images.*' => 'image|max:5120|mimes:jpeg,png,jpg,gif,webp', // 5MB each
        ], [
            'images.max' => 'Máximo de 20 imagens permitidas.',
            'images.*.mimes' => 'As imagens devem ser do tipo: JPEG, PNG, JPG, GIF ou WebP.',
        ]);

        $order = $gallery->images()->count() + 1;
        $count = 0;

        foreach ($request->file('images') as $file) {
            $path = $file->store('galleries/' . $gallery->id, 'public');

            GalleryImage::create([
                'gallery_id' => $gallery->id,
                'file_path' => $path,
                'order' => $order++,
            ]);
            $count++;
        }

        /** @var \App\Models\User $user */
        $user = Auth::user();
        $admins = User::where('user_type', 'Admin')->where('id', '!=', $user->id)->get();
        Notification::send($admins, new GalleryActionNotification($gallery, $user, 'photo_added'));

        $message = $count === 1 ? 'Imagem adicionada à galeria.' : "{$count} imagens adicionadas à galeria.";
        return redirect()->back()->with('success', $message);
    }

    public function updateImage(Request $request, GalleryImage $image)
    {
        $request->validate([
            'description' => 'nullable|string|max:255',
            'order' => 'required|integer',
        ]);

        $image->update($request->only('description', 'order'));

        return redirect()->back()->with('success', 'Imagem atualizada.');
    }

    public function deleteImage(GalleryImage $image)
    {
        $gallery = $image->gallery;
        Storage::disk('public')->delete($image->file_path);
        $image->delete();

        /** @var \App\Models\User $user */
        $user = Auth::user();
        $admins = User::where('user_type', 'Admin')->where('id', '!=', $user->id)->get();
        Notification::send($admins, new GalleryActionNotification($gallery, $user, 'photo_deleted'));

        return redirect()->back()->with('success', 'Imagem removida.');
    }
}