<?php

namespace App\Support;

use App\Models\Customer;

class CustomerBillingProfile
{
    public const FIELDS = ['invoice_company', 'tax_code', 'invoice_address', 'invoice_email'];

    public static function payload(Customer $customer): array
    {
        return [
            'invoice_company' => $customer->invoice_company,
            'tax_code' => $customer->tax_code,
            'invoice_address' => $customer->invoice_address,
            'invoice_email' => $customer->invoice_email,
        ];
    }

    public static function save(Customer $customer, array $input): array
    {
        $customer->update(array_map(
            fn ($value) => is_string($value) && trim($value) === '' ? null : $value,
            array_intersect_key($input, array_flip(self::FIELDS)) + array_fill_keys(self::FIELDS, null),
        ));

        return self::payload($customer->fresh());
    }
}