export function init() {
  const ddServicePrefix = "positron"

  tracer.init({
    // Setting the service name to  `.undetected` so that we detect services that
    // are running as part of the application, but aren't explicitly configured
    // with `tracer.use`. We want to to explicitly configure services so that we
    // can enforce our `.`-deliminited Service naming convention.
    service: `${ddServicePrefix}.undetected`,
    hostname: process.env.DATADOG_AGENT_HOSTNAME,
  })

  tracer.use("express", {
    service: `${ddServicePrefix}`,
  })

  tracer.use("mongodb-core", {
    service: `${ddServicePrefix}.mongodb`,
  })

  tracer.use("elasticsearch", {
    service: `${ddServicePrefix}.elasticsearch`,
  })

  tracer.use("http", {
    service: `${ddServicePrefix}.http`,
  })
}

function useWebFrameworkPlugin(plugin: "express" | "hapi" | "koa" | "restify") {
    tracer.use(plugin, {
        service: "incoming-request",
        headers: ["User-Agent"],
        validateStatus: code => code !== 418,
    });
}

import ddTracer from "dd-trace"

if (process.env.DD_APM_ENABLED) {
  ddTracer.init({
    hostname: process.env.DD_TRACE_AGENT_HOSTNAME,
    service: "force",
    plugins: false,
  })
  ddTracer.use("express", {
    // We want the root spans of MP to be labelled as just `service`
    service: "force",
    headers: ["User-Agent"],
  })
  ddTracer.use("http", {
    service: `force.http-client`,
  })
}