<?php

namespace App\Http\Controllers;

use App\Http\Resources\NotificationResource;
use App\Notifications\MobileNotification;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Http\Resources\Json\AnonymousResourceCollection;

class NotificationController extends Controller
{
    public function index(Request $request): AnonymousResourceCollection
    {
        $perPage = max(1, min($request->integer('per_page', 20), 60));
        $notifications = $request->user()
            ->notifications()
            ->whereIn('type', MobileNotification::TYPES)
            ->latest()
            ->paginate($perPage);

        return NotificationResource::collection($notifications)->additional([
            'unreadCount' => $this->unreadCountFor($request),
        ]);
    }

    public function unreadCount(Request $request): JsonResponse
    {
        return response()->json([
            'data' => [
                'count' => $this->unreadCountFor($request),
            ],
        ]);
    }

    public function markAsRead(Request $request, string $notification): NotificationResource
    {
        $databaseNotification = $request->user()
            ->notifications()
            ->whereIn('type', MobileNotification::TYPES)
            ->findOrFail($notification);

        $databaseNotification->markAsRead();

        return NotificationResource::make($databaseNotification->fresh());
    }

    public function markAllAsRead(Request $request): JsonResponse
    {
        $updated = $request->user()
            ->unreadNotifications()
            ->whereIn('type', MobileNotification::TYPES)
            ->update(['read_at' => now()]);

        return response()->json([
            'data' => [
                'updated' => $updated,
            ],
            'code' => 'NOTIFICATIONS_MARKED_AS_READ',
        ]);
    }

    private function unreadCountFor(Request $request): int
    {
        return $request->user()
            ->unreadNotifications()
            ->whereIn('type', MobileNotification::TYPES)
            ->count();
    }
}