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<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use App\Traits\LogsActivity;

class Attachment extends Model
{
    use HasFactory, LogsActivity;

    protected $fillable = [
        'attachable_id',
        'attachable_type',
        'project_id',
        'file_name',
        'original_filename',
        'file_path',
        'file_type',
        'file_size',
        'use_for_proposal',
        'use_for_po',
    ];

    /**
     * The attributes that should be cast.
     *
     * @var array
     */
    protected $casts = [
        'use_for_proposal' => 'boolean',
        'use_for_po' => 'boolean',
    ];

    /**
     * Get the owning attachable model (polymorphic).
     */
    public function attachable()
    {
        return $this->morphTo();
    }

    /**
     * Get the budget item that owns the attachment.
     */
    public function budgetItem()
    {
        return $this->belongsTo(BudgetItem::class, 'attachable_id')
            ->where('attachable_type', 'App\\Models\\BudgetItem');
    }

    /**
     * Get the project that owns the attachment.
     */
    public function project()
    {
        return $this->belongsTo(Project::class, 'project_id');
    }
}