<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Spatie\MediaLibrary\HasMedia;
use Spatie\MediaLibrary\InteractsWithMedia;

class AssignmentSubmission extends Model implements HasMedia
{
    use HasFactory, InteractsWithMedia;

    protected $guarded = ['id'];

    protected function casts(): array
    {
        return [
            'submitted_at' => 'datetime',
        ];
    }

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

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

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