<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;

class ProductCategory extends Model
{
    use HasFactory;

    protected $fillable = [
        'parent_id',
        'code',
        'name',
        'description',
        'intervention',
        'active',
    ];

    protected $casts = [
        'active' => 'boolean',
        'intervention' => 'boolean',
    ];

    /**
     * Get the parent category.
     */
    public function parent(): BelongsTo
    {
        return $this->belongsTo(ProductCategory::class, 'parent_id');
    }

    /**
     * Get the child categories.
     */
    public function children(): HasMany
    {
        return $this->hasMany(ProductCategory::class, 'parent_id');
    }

    /**
     * Scope a query to only include active categories.
     */
    public function scopeActive($query)
    {
        return $query->where('active', true);
    }

    /**
     * Scope a query to only include root categories.
     */
    public function scopeRoots($query)
    {
        return $query->whereNull('parent_id');
    }

    /**
     * Check if the category has children.
     */
    public function hasChildren(): bool
    {
        return $this->children()->exists();
    }

    /**
     * Check if the category has products.
     * Note: Assuming a Product model exists with a category_id or similar relationship.
     * Since the migration for products might not be linked yet, this is a placeholder or checks a relation if defined.
     * For now, I will assume a products relationship exists or will be added.
     */
    public function products(): HasMany
    {
        return $this->hasMany(Product::class, 'categorie_id');
    }

    public function hasProducts(): bool
    {
        return $this->products()->exists();
    }
}