<?php

namespace App\Models;

use App\Enums\SubmissionStatus;
use Illuminate\Database\Eloquent\Attributes\Appends;
use Illuminate\Database\Eloquent\Attributes\Guarded;
use Illuminate\Database\Eloquent\Casts\Attribute;
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;

#[Guarded(['id'])]
#[Appends(['file_url', 'file_name'])]
class Submission extends Model implements HasMedia
{
    use HasFactory, InteractsWithMedia;

    protected function casts(): array
    {
        return [
            'status' => SubmissionStatus::class,
            'submitted_at' => 'datetime',
            'score' => 'decimal:2',
        ];
    }

    public function registerMediaCollections(): void
    {
        $this->addMediaCollection('submission_file')->singleFile();
    }

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

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

    protected function fileUrl(): Attribute
    {
        return Attribute::make(
            get: fn () => $this->getFirstMediaUrl('submission_file') ?: null,
        );
    }

    protected function fileName(): Attribute
    {
        return Attribute::make(
            get: fn () => $this->getFirstMedia('submission_file')?->file_name,
        );
    }
}