<?php

namespace App\Repositories\Eloquent;

use App\Models\CourseSchedule;
use App\Repositories\Contracts\ScheduleRepositoryInterface;
use Illuminate\Database\Eloquent\Collection;
use Illuminate\Pagination\LengthAwarePaginator;

/**
 * @extends BaseRepository<CourseSchedule>
 */
class ScheduleRepository extends BaseRepository implements ScheduleRepositoryInterface
{
    public function __construct(CourseSchedule $model)
    {
        parent::__construct($model);
    }

    /**
     * @param  array<string, mixed>  $filters
     * @return LengthAwarePaginator<int, CourseSchedule>
     */
    public function paginate(array $filters = [], int $perPage = 15): LengthAwarePaginator
    {
        $query = $this->model->newQuery()->with('course.category');

        if (! empty($filters['course_id'])) {
            $query->where('course_id', $filters['course_id']);
        }

        return $query->orderBy('start_date')->paginate($perPage);
    }

    /**
     * @return Collection<int, CourseSchedule>
     */
    public function upcoming(int $limit = 20): Collection
    {
        return $this->model->newQuery()
            ->with('course.category')
            ->where('start_date', '>=', now())
            ->orderBy('start_date')
            ->limit($limit)
            ->get();
    }
}
