<?php

namespace App\Services\Admin\Announcements;

use App\Models\Announcement;
use Illuminate\Contracts\Pagination\LengthAwarePaginator;

class AnnouncementService
{
    public function paginated(int $perPage = 25, string $search = '', string $sort = 'created_at', string $direction = 'desc'): LengthAwarePaginator
    {
        return Announcement::query()
            ->select(['id', 'title', 'content', 'department_id', 'enrollment_year', 'created_by', 'created_at'])
            ->with(['department:id,name', 'creator.profile'])
            ->when($search, fn ($q) => $q->where('title', 'like', "%{$search}%"))
            ->orderBy($sort, $direction)
            ->paginate($perPage);
    }

    public function create(array $data): Announcement
    {
        return Announcement::create([
            'title' => $data['title'],
            'content' => $data['content'],
            'department_id' => $data['department_id'] ?? null,
            'enrollment_year' => $data['enrollment_year'] ?? null,
            'created_by' => auth()->id(),
        ]);
    }

    public function update(Announcement $announcement, array $data): Announcement
    {
        $announcement->title = $data['title'];
        $announcement->content = $data['content'];
        $announcement->department_id = $data['department_id'] ?? null;
        $announcement->enrollment_year = $data['enrollment_year'] ?? null;
        $announcement->update();

        return $announcement;
    }

    public function delete(Announcement $announcement): bool
    {
        return $announcement->delete();
    }
}