<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class DocumentStatusHistory extends Model
{
    protected $table = 'document_status_history';
    public $timestamps = false; // We are using changed_at

    protected $fillable = [
        'document_type',
        'document_id',
        'old_status',
        'new_status',
        'changed_by',
        'changed_at',
        'comment',
    ];

    protected $casts = [
        'changed_at' => 'datetime',
    ];

    public function user()
    {
        return $this->belongsTo(User::class, 'changed_by');
    }

    /**
     * Get the parent document model (quote or invoice).
     */
    public function document()
    {
        // define a custom polymorphic relationship or helper if needed
        // Since it is an enum, we can't use standard morphTo easily without a map.
        // But for now, I will just leave it or maybe add a helper.
        // Standard Laravel morph expects 'document_type' to be the class name.
        // Here it is 'quote' or 'invoice'.
        // We can use morphMap in AppServiceProvider to map 'quote' => Quote::class.
        return $this->morphTo(__FUNCTION__, 'document_type', 'document_id');
    }
}