import { Country } from "@/components/PhoneInput/types";
import getFormat from "@/components/PhoneInput/utils/getFormat";
import countryOptionsDataMap from "@/components/PhoneInput/utils/countryOptionsDataMap";
import { CountryCode, parsePhoneNumberFromString } from "libphonenumber-js";

type InitialDataFromValue = {
    country: Country;
    format: ReturnType<typeof getFormat>;
    localValue: string;
};

const getInitialDataFromValue = (
    value: string | undefined,
    initialCountryCode: string
): InitialDataFromValue => {
    const defaultValue = {
        country: countryOptionsDataMap[initialCountryCode],
        format: getFormat(initialCountryCode as CountryCode),
        localValue: "",
    };
    if (!value) return defaultValue;
    const phoneNumber = parsePhoneNumberFromString(value);
    if (!phoneNumber) return defaultValue;
    if (!phoneNumber.country) return defaultValue;

    return {
        country: countryOptionsDataMap[phoneNumber.country],
        localValue: phoneNumber.formatNational(),
        format: getFormat(phoneNumber.country),
    };
}

export default getInitialDataFromValue;