namespace XmobiTea.MiniDeviceId
{
    using System.Runtime.InteropServices;

    /// <summary>
    /// Native bridge for the Apple-family keychain plugin used by this package.
    /// The native side stores and retrieves a JSON payload containing userId and uuid.
    /// </summary>
    internal class CXKeyChain
    {
        [DllImport("__Internal")]
        private static extern string getKeyChainUser();

        /// <summary>
        /// Reads the serialized keychain payload from the native plugin.
        /// </summary>
        public static string BindGetKeyChainUser()
        {
            return getKeyChainUser();
        }

        [DllImport("__Internal")]
        private static extern void setKeyChainUser(string userId, string uuid);

        /// <summary>
        /// Persists the user slot and generated device UUID through the native plugin.
        /// </summary>
        public static void BindSetKeyChainUser(string userId, string uuid)
        {
            setKeyChainUser(userId, uuid);
        }

        [DllImport("__Internal")]
        private static extern void deleteKeyChainUser();

        /// <summary>
        /// Removes the stored keychain payload through the native plugin.
        /// </summary>
        public static void BindDeleteKeyChainUser()
        {
            deleteKeyChainUser();
        }

    }

}