'use strict';

const os = require('os');
const ifaces = os.networkInterfaces();

const getLocalIp = () => {
    let localIp = '127.0.0.1';
    Object.keys(ifaces).forEach((ifname) => {
        for (const iface of ifaces[ifname]) {
            // Ignore IPv6 and 127.0.0.1
            if (iface.family !== 'IPv4' || iface.internal !== false) {
                continue;
            }
            // Set the local ip to the first IPv4 address found and exit the loop
            localIp = iface.address;
            return;
        }
    });
    return localIp;
};

// https://api.ipify.org

module.exports = {
    server: {
        listen: {
            // app listen on
            ip: '0.0.0.0',
            port: process.env.PORT || 3010,
        },
        ssl: {
            // ssl/README.md
            cert: '../ssl/cert.pem',
            key: '../ssl/key.pem',
        },
    },
    host: {
        /*
            Host Protection (default False)
            In order to protect your host set 
            hostProtected to true and set your own Username and Password
        */
        protected: false,
        username: 'username',
        password: 'password',
    },
    console: {
        debug: true,
        colors: true,
    },
    ngrok: {
        /* 
        Ngrok
            1. Goto https://ngrok.com
            2. Get started for free 
            3. Copy YourNgrokAuthToken: https://dashboard.ngrok.com/get-started/your-authtoken
        */
        authToken: '',
    },
    api: {
        // app/api
        keySecret: 'mirotalksfu_default_secret',
    },
    sentry: {
        /*
        Sentry
            1. Goto https://sentry.io/
            2. Create account
            3. On dashboard goto Settings/Projects/YourProjectName/Client Keys (DSN)
        */
        enabled: false,
        DSN: '',
        tracesSampleRate: 0.5,
    },
    slack: {
        /*
        Slack
            1. Goto https://api.slack.com/apps/
            2. Create your app
            3. On Settings - Basic Information - App Credentials, chose your Signing Secret
            4. Create a Slash Commands and put as Request URL: https://your.domain.name/slack
        */
        enabled: false,
        signingSecret: '',
    },
    chatGPT: {
        /*
        ChatGPT
            1. Goto https://platform.openai.com/
            2. Create your account
            3. Generate your APIKey https://platform.openai.com/account/api-keys
        */
        enabled: false,
        apiKey: '',
        model: 'text-davinci-003',
        max_tokens: 1000,
        temperature: 0,
    },
    IPLookup: {
        /*
        GeoJS
            https://www.geojs.io/docs/v1/endpoints/geo/
        */
        enabled: false,
        getEndpoint(ip) {
            return `https://get.geojs.io/v1/ip/geo/${ip}.json`;
        },
    },
    survey: {
        /*
        QuestionPro
            1. GoTo https://www.questionpro.com/
            2. Create your account
            3. Create your custom survey
        */
        enabled: false,
        url: '',
    },
    mediasoup: {
        // Worker settings
        numWorkers: Object.keys(os.cpus()).length,
        worker: {
            rtcMinPort: 40000,
            rtcMaxPort: 40100,
            logLevel: 'error',
            logTags: ['info', 'ice', 'dtls', 'rtp', 'srtp', 'rtcp', 'rtx', 'bwe', 'score', 'simulcast', 'svc', 'sctp'],
        },
        // Router settings
        router: {
            mediaCodecs: [
                {
                    kind: 'audio',
                    mimeType: 'audio/opus',
                    clockRate: 48000,
                    channels: 2,
                },
                {
                    kind: 'video',
                    mimeType: 'video/VP8',
                    clockRate: 90000,
                    parameters: {
                        'x-google-start-bitrate': 1000,
                    },
                },
                {
                    kind: 'video',
                    mimeType: 'video/VP9',
                    clockRate: 90000,
                    parameters: {
                        'profile-id': 2,
                        'x-google-start-bitrate': 1000,
                    },
                },
                {
                    kind: 'video',
                    mimeType: 'video/h264',
                    clockRate: 90000,
                    parameters: {
                        'packetization-mode': 1,
                        'profile-level-id': '4d0032',
                        'level-asymmetry-allowed': 1,
                        'x-google-start-bitrate': 1000,
                    },
                },
                {
                    kind: 'video',
                    mimeType: 'video/h264',
                    clockRate: 90000,
                    parameters: {
                        'packetization-mode': 1,
                        'profile-level-id': '42e01f',
                        'level-asymmetry-allowed': 1,
                        'x-google-start-bitrate': 1000,
                    },
                },
            ],
        },
        // WebRtcTransport settings
        webRtcTransport: {
            listenIps: [
                {
                    ip: '0.0.0.0',
                    announcedIp: getLocalIp(), // replace by 'public static IPV4 address' https://api.ipify.org (type string --> 'xx.xxx.xxx.xx' not xx.xxx.xxx.xx)
                }, //announcedIp: '' will be auto-detected on server start, for docker localPC set '127.0.0.1'
            ],
            initialAvailableOutgoingBitrate: 1000000,
            minimumAvailableOutgoingBitrate: 600000,
            maxSctpMessageSize: 262144,
            maxIncomingBitrate: 1500000,
        },
    },
};