<?php

namespace App\Services\Phone;

use App\Contracts\PhoneNumberNormalizerInterface;
use libphonenumber\NumberParseException;
use libphonenumber\PhoneNumberFormat;
use libphonenumber\PhoneNumberType;
use libphonenumber\PhoneNumberUtil;

class LibPhoneNumberNormalizer implements PhoneNumberNormalizerInterface
{
    public function __construct(
        private readonly PhoneNumberUtil $phoneNumberUtil,
    ) {}

    public function normalize(string $rawNumber, string $defaultCountry): PhoneNumberResult
    {
        $rawNumber = trim($rawNumber);
        $defaultCountry = strtoupper(trim($defaultCountry));

        if ($rawNumber === '') {
            return new PhoneNumberResult($rawNumber, null, null, false, false, 'Numero vide.');
        }

        try {
            $number = $this->phoneNumberUtil->parse($rawNumber, $defaultCountry);
        } catch (NumberParseException $exception) {
            return new PhoneNumberResult($rawNumber, null, null, false, false, $exception->getMessage());
        }

        $isValid = $this->phoneNumberUtil->isValidNumber($number);
        $normalizedNumber = $isValid
            ? $this->phoneNumberUtil->format($number, PhoneNumberFormat::E164)
            : null;
        $country = $this->phoneNumberUtil->getRegionCodeForNumber($number);
        $mobileRegex = (string) config('relais_sms.default_settings.mobile_phone_regex');
        $numberType = $this->phoneNumberUtil->getNumberType($number);
        $isMobile = $isValid && (
            in_array($numberType, [PhoneNumberType::MOBILE, PhoneNumberType::FIXED_LINE_OR_MOBILE], true)
            || ($mobileRegex !== '' && (
                preg_match($mobileRegex, $rawNumber) === 1
                || ($normalizedNumber !== null && preg_match($mobileRegex, $normalizedNumber) === 1)
            ))
        );

        return new PhoneNumberResult(
            rawNumber: $rawNumber,
            normalizedNumber: $normalizedNumber,
            country: $country,
            isValid: $isValid,
            isMobile: $isMobile,
            error: $isValid ? null : 'Numero invalide.',
        );
    }
}