<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class ShippingRate extends Model
{
    protected $fillable = ['name','zone','price','free_from','active'];

    protected $casts = ['active' => 'boolean', 'price' => 'decimal:2', 'free_from' => 'decimal:2'];

    public static function forCart(float $total, string $zone = 'DE'): ?self
    {
        return self::where('zone', $zone)->where('active', true)->first();
    }

    public function getCostForTotal(float $total): float
    {
        if ($this->free_from !== null && $total >= (float) $this->free_from) {
            return 0.0;
        }
        return (float) $this->price;
    }
}