<?php

namespace App\Services;

use App\Models\Notification;
use App\Models\User;
use Illuminate\Contracts\Pagination\LengthAwarePaginator;

class NotificationService
{
    public function paginated(User $user, int $perPage = 15): LengthAwarePaginator
    {
        return Notification::query()
            ->where('user_id', $user->id)
            ->orderByDesc('created_at')
            ->orderByDesc('id')
            ->paginate($perPage);
    }

    public function unreadCount(User $user): int
    {
        return Notification::query()
            ->where('user_id', $user->id)
            ->where('is_read', false)
            ->count();
    }

    public function markAsRead(Notification $notification): void
    {
        $notification->update(['is_read' => true]);
    }

    public function markAllAsRead(User $user): void
    {
        Notification::query()
            ->where('user_id', $user->id)
            ->where('is_read', false)
            ->update(['is_read' => true]);
    }

    public function delete(Notification $notification): bool
    {
        return $notification->delete();
    }

    public function deleteAll(User $user): void
    {
        Notification::query()->where('user_id', $user->id)->delete();
    }
}