import dotenv from "dotenv"
import express from "express"
import http from "http"
import process from "process"
import signalbuddy from "signalbuddy"

dotenv.config()

const host = "0.0.0.0"
const port = parseInt(process.env.PORT) || 3000

const app = express()
const server = http.createServer(app)

const config = {
  rooms: {
    maxClients: 0, // no limit
  },
  ice: {
    host: process.env.ICE_HOST || "localhost",
    port: parseInt(process.env.ICE_PORT) || 3478,
    stun: {
      username: process.env.ICE_STUN_USERNAME || "user",
      password: process.env.ICE_STUN_PASSWORD || "password",
    },
    turn: {
      secret: process.env.ICE_TURN_SECRET || "secret",
      timeout: parseInt(process.env.ICE_TURN_TIMEOUT) || 86400,
    },
  },
}

signalbuddy(server, config)

app.use((request, response, next) => {
  response.on("finish", () => {
    console.log(
      "[%s] [%s]: %s %s",
      `${new Date()}`.split(" ", 5).join(" "),
      response.statusCode,
      request.method.padStart(7),
      request.originalUrl,
    )
  })
  next()
})

app.get("/", (request, response, next) => {
  if (request.query.room == null) {
    const url = new URL(
      `${request.protocol}://${request.get("host")}${request.originalUrl}`,
    )
    url.searchParams.set("room", "imperial")
    return response.redirect(url)
  }
  next()
})

app.use("/", express.static("public"))

server.listen(port, host, () => {
  console.log(`Listening on http://${host}:${port}`)
  process.on("SIGINT", process.exit)
})