<?php

namespace Modules\IndustrialEngineering\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;

class CompetitiveProduct extends Model
{
    use BelongsToBusiness;
    use SoftDeletes;

    protected $table = 'ie_competitive_products';

    protected $guarded = ['id'];

    protected $casts = [
        'estimated_price' => 'decimal:4',
        'strengths' => 'array',
        'weaknesses' => 'array',
    ];

    public function researchProject()
    {
        return $this->belongsTo(ResearchProject::class, 'research_project_id');
    }

    public function structures()
    {
        return $this->hasMany(CompetitiveProductStructure::class, 'competitive_product_id');
    }

    public function rootStructures()
    {
        return $this->hasMany(CompetitiveProductStructure::class, 'competitive_product_id')->whereNull('parent_structure_id');
    }
}