import os from 'os';
import { types as mediasoupTypes } from 'mediasoup';

export const workerSettings: mediasoupTypes.WorkerSettings = {
    rtcMinPort: 2000,
    rtcMaxPort: 2300,
    logLevel: 'debug',
    logTags: ['info', 'ice', 'dtls', 'rtp', 'srtp', 'rtcp', 'message']
};

export const routerOptions: mediasoupTypes.RouterOptions = {
    mediaCodecs: [
        {
            kind: 'audio',
            mimeType: 'audio/opus',
            clockRate: 48000,
            channels: 2
        },
        {
            kind: 'video',
            mimeType: 'video/VP8',
            clockRate: 90000,
            parameters: {
                'x-google-start-bitrate': 1000
            }
        }
    ]
};

export const webRtcTransportConfig: mediasoupTypes.WebRtcTransportOptions = {
    // https://mediasoup.org/documentation/v3/mediasoup/api/#WebRtcTransportOptions
    listenInfos: [
        {
            protocol: 'tcp',
            ip: '0.0.0.0',
            announcedIp: process.env.MEDIASOUP_ANOUNCE_IP // public ip
        },
        {
            protocol: 'udp',
            ip: '0.0.0.0',
            announcedIp: process.env.MEDIASOUP_ANOUNCE_IP // public ip
        }
    ],
    enableUdp: true,
    enableTcp: true,
    preferUdp: true
};

export default {
    numWorkers: Object.keys(os.cpus()).length
};