// data channel export constants
export const DATA_CHANNEL_ACK = 2;
export const DATA_CHANNEL_OPEN = 3;

// 5.1.  DATA_CHANNEL_OPEN Message
export const DATA_CHANNEL_RELIABLE = 0x00;
export const DATA_CHANNEL_PARTIAL_RELIABLE_REXMIT = 0x01;
export const DATA_CHANNEL_PARTIAL_RELIABLE_TIMED = 0x02;
export const DATA_CHANNEL_RELIABLE_UNORDERED = 0x80;
export const DATA_CHANNEL_PARTIAL_RELIABLE_REXMIT_UNORDERED = 0x81;
export const DATA_CHANNEL_PARTIAL_RELIABLE_TIMED_UNORDERED = 0x82;

export const WEBRTC_DCEP = 50;
export const WEBRTC_STRING = 51;
export const WEBRTC_BINARY = 53;
export const WEBRTC_STRING_EMPTY = 56;
export const WEBRTC_BINARY_EMPTY = 57;

export const DISCARD_HOST = "0.0.0.0";
export const DISCARD_PORT = 9;
export const MEDIA_KINDS = ["audio", "video"];

export const DIRECTIONS = ["inactive", "sendonly", "recvonly", "sendrecv"];
export const DTLS_ROLE_SETUP = {
  auto: "actpass",
  client: "active",
  server: "passive",
};
export const DTLS_SETUP_ROLE = Object.keys(DTLS_ROLE_SETUP).reduce(
  (acc, cur) => {
    const key = (DTLS_ROLE_SETUP as any)[cur];
    acc[key] = cur;
    return acc;
  },
  {} as any
);
export const FMTP_INT_PARAMETERS = [
  "apt",
  "max-fr",
  "max-fs",
  "maxplaybackrate",
  "minptime",
  "stereo",
  "useinbandfec",
];

export const SSRC_INFO_ATTRS = ["cname", "msid", "mslabel", "label"];