<?php

namespace App\Modules\LearningPaths\Domain;

use App\Modules\Courses\Domain\CourseVersion;
use Illuminate\Database\Eloquent\Concerns\HasUlids;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

class LearningPathItem extends Model
{
    use HasUlids;

    protected $fillable = ['organization_id', 'learning_path_version_id', 'course_version_id', 'prerequisite_item_id', 'position', 'completion_rules'];

    protected function casts(): array
    {
        return ['position' => 'integer', 'completion_rules' => 'array'];
    }

    public function courseVersion(): BelongsTo
    {
        return $this->belongsTo(CourseVersion::class);
    }
}