<?php

namespace App\Models;

use App\Lib\Helpers\ToolboxHelper;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Str;

class Subrange extends Model
{
    use HasFactory;

    /**
     * The attributes that are mass assignable.
     *
     * @var array
     */
    protected $fillable = [
        'label',
        'slug',
    ];

    /**
     * Perform any actions required after the model boots.
     *
     * @return void
     */
    protected static function booted()
    {
        // * EVENT CLOSURES.
        static::creating(function (self $model) {
            self::manageFields($model);
        });

        static::updating(function (self $model) {
            self::manageFields($model);
        });
    }

    // * METHODS

    /**
     * Undocumented function
     *
     * @param Model $model
     * @return void
     */
    private static function manageFields(Model $model)
    {
        // * ASSERTIONS
        static::assertLabelIsUnique($model->label, $model->id);

        // * TRANSFORMATIONS
        $model->slug = Str::slug($model->label);
    }

    /**
     * Asserts using validation that the label is unique
     *
     * @param mixed        $label
     * @param integer|null $id
     * @return void
     */
    private static function assertLabelIsUnique($label, ?int $id = null)
    {
        $table = (new self())->getTable();
        ToolboxHelper::assertFieldIsUnique($table, 'label', $label, $id);
        ToolboxHelper::assertFieldIsUnique($table, 'slug', Str::slug($label), $id);
    }

    // * RELATIONSHIPS

    /**
     * Get products for the Subrange.
     *
     * @return \Illuminate\Database\Eloquent\Relations\hasMany
     */
    public function products()
    {
        return $this->hasMany(Product::class);
    }

    /**
     * Get range for the Subrange.
     *
     * @return \Illuminate\Database\Eloquent\Relations\belongsTo
     */
    public function range()
    {
        return $this->belongsTo(Range::class);
    }
}