// SPDX-License-Identifier: GPL-3.0-or-later

#include "rrdpush.h"

static struct {
    STREAM_HANDSHAKE err;
    const char *str;
} handshake_errors[] = {
    { STREAM_HANDSHAKE_OK_V3, "CONNECTED" },
    { STREAM_HANDSHAKE_OK_V2, "CONNECTED" },
    { STREAM_HANDSHAKE_OK_V1, "CONNECTED" },
    { STREAM_HANDSHAKE_NEVER, "" },
    { STREAM_HANDSHAKE_ERROR_BAD_HANDSHAKE, "BAD HANDSHAKE" },
    { STREAM_HANDSHAKE_ERROR_LOCALHOST, "LOCALHOST" },
    { STREAM_HANDSHAKE_ERROR_ALREADY_CONNECTED, "ALREADY CONNECTED" },
    { STREAM_HANDSHAKE_ERROR_DENIED, "DENIED" },
    { STREAM_HANDSHAKE_ERROR_SEND_TIMEOUT, "SEND TIMEOUT" },
    { STREAM_HANDSHAKE_ERROR_RECEIVE_TIMEOUT, "RECEIVE TIMEOUT" },
    { STREAM_HANDSHAKE_ERROR_INVALID_CERTIFICATE, "INVALID CERTIFICATE" },
    { STREAM_HANDSHAKE_ERROR_SSL_ERROR, "SSL ERROR" },
    { STREAM_HANDSHAKE_ERROR_CANT_CONNECT, "CANT CONNECT" },
    { STREAM_HANDSHAKE_BUSY_TRY_LATER, "BUSY TRY LATER" },
    { STREAM_HANDSHAKE_INTERNAL_ERROR, "INTERNAL ERROR" },
    { STREAM_HANDSHAKE_INITIALIZATION, "REMOTE IS INITIALIZING" },
    { STREAM_HANDSHAKE_DISCONNECT_HOST_CLEANUP, "DISCONNECTED HOST CLEANUP" },
    { STREAM_HANDSHAKE_DISCONNECT_STALE_RECEIVER, "DISCONNECTED STALE RECEIVER" },
    { STREAM_HANDSHAKE_DISCONNECT_SHUTDOWN, "DISCONNECTED SHUTDOWN REQUESTED" },
    { STREAM_HANDSHAKE_DISCONNECT_NETDATA_EXIT, "DISCONNECTED NETDATA EXIT" },
    { STREAM_HANDSHAKE_DISCONNECT_PARSER_EXIT, "DISCONNECTED PARSE ENDED" },
    {STREAM_HANDSHAKE_DISCONNECT_UNKNOWN_SOCKET_READ_ERROR, "DISCONNECTED UNKNOWN SOCKET READ ERROR" },
    { STREAM_HANDSHAKE_DISCONNECT_PARSER_FAILED, "DISCONNECTED PARSE ERROR" },
    { STREAM_HANDSHAKE_DISCONNECT_RECEIVER_LEFT, "DISCONNECTED RECEIVER LEFT" },
    { STREAM_HANDSHAKE_DISCONNECT_ORPHAN_HOST, "DISCONNECTED ORPHAN HOST" },
    { STREAM_HANDSHAKE_NON_STREAMABLE_HOST, "NON STREAMABLE HOST" },
    { STREAM_HANDSHAKE_DISCONNECT_NOT_SUFFICIENT_READ_BUFFER, "DISCONNECTED NOT SUFFICIENT READ BUFFER" },
    {STREAM_HANDSHAKE_DISCONNECT_SOCKET_EOF, "DISCONNECTED SOCKET EOF" },
    {STREAM_HANDSHAKE_DISCONNECT_SOCKET_READ_FAILED, "DISCONNECTED SOCKET READ FAILED" },
    {STREAM_HANDSHAKE_DISCONNECT_SOCKET_READ_TIMEOUT, "DISCONNECTED SOCKET READ TIMEOUT" },
    { 0, NULL },
};

const char *stream_handshake_error_to_string(STREAM_HANDSHAKE handshake_error) {
    if(handshake_error >= STREAM_HANDSHAKE_OK_V1)
        // handshake_error is the whole version / capabilities number
        return "CONNECTED";

    for(size_t i = 0; handshake_errors[i].str ; i++) {
        if(handshake_error == handshake_errors[i].err)
            return handshake_errors[i].str;
    }

    return "UNKNOWN";
}