<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use SolutionForest\FilamentTree\Concern\ModelTree;

class GuidePage extends Model
{
    use ModelTree;

    protected $fillable = [
        'guide_id',
        'page_number',
        'title',
        'html_url',
        'sort_order',
        'parent_id',
        'options',
        'branch_option',
    ];

    protected $casts = [
        'options' => 'array',
        'parent_id' => 'int',
    ];

    // filament-tree column name mapping
    public function determineParentColumnName(): string
    {
        return 'parent_id';
    }

    public function determineOrderColumnName(): string
    {
        return 'sort_order';
    }

    public function determineTitleColumnName(): string
    {
        return 'title';
    }

    public function guide()
    {
        return $this->belongsTo(Guide::class);
    }

    public function branchChildren()
    {
        return $this->hasMany(self::class, 'parent_id')->orderBy('sort_order');
    }

    public function parentPage()
    {
        return $this->belongsTo(self::class, 'parent_id');
    }
}