ppc_amnet/amnet-native/lib/iccard.ts

export enum ICType {
    Amusement = 1,
    Transport = 2
}

export enum AmusementICVendor {
    Sega = 0x0078,
    Konami = 0x0068,
    BandaiNamcoEntertainment = 0x002A,
    BandaiNamcoGames = 0x003A,
    Nesica = 0x0079,
    Unknown = 0x0000
}

type AmusementICCard = {
    type: ICType.Amusement,

    idm: string,
    accessCode: string,
    vendor: AmusementICVendor
}

type TransportICCard = {
    type: ICType.Transport,

    idm: string
}

export type ICCard = AmusementICCard | TransportICCard;

/**
 * Converts an IC card IDm to the 20-digit "0008" number used by some networks
 * @param idm The IDm to convert
 */
export function icCard0008Number(idm: string): string {
    // 0008 is the numerical representation of the idm padded with zeros until it is 20 digits
    return BigInt(`0x${idm}`).toString().padStart(20, '0');
}