/// <reference types="@fastly/js-compute" />

import { Logger } from 'fastly:logger';

addEventListener('fetch', (event) => event.respondWith(handleRequest(event)));

async function handleRequest(event) {
  const logger = new Logger('my_new_relic_endpoint');

  let logOutput = {
    timestamp: new Date(Date.now()),
    cache_status: 'ERROR',
    client_ip: '127.0.0.1',
    client_device_type: 'Chromebook',
    client_os_name: 'Ubuntu',
    client_os_version: '17.10 (Artful Aardvark)',
    client_browser_name: 'Firefox',
    client_browser_version: '113.0',
    client_as_name: 'zayo bandwidth',
    client_as_number: '1234',
    client_connection_speed: 'broadband',
    client_port: 63850,
    client_rate_bps: 0,
    client_recv_bytes: 74,
    client_requests_count: 1,
    client_resp_body_size_write: 56789,
    client_resp_header_size_write: 1234,
    client_resp_ttfb: 1.342,
    client_rtt_us: 6818,
    content_type: 'text/html; charset=utf-8',
    domain: 'example.com',
    fastly_datacenter: 'HNL',
    fastly_host: 'cache-hnl00001',
    fastly_is_edge: true,
    fastly_region: 'US-Pacific',
    fastly_server: 'cache-hnl00001-HNL',
    host: 'example.com',
    origin_host: 'example.com',
    origin_name: 'n/a',
    request: 'GET',
    request_method: 'GET',
    request_accept_charset: 'utf-8',
    request_accept_language: 'en-US',
    request_referer: '',
    request_user_agent: 'curl/7.68.0',
    resp_status: '200',
    response: 'OK. Testing Log Endpoint',
    service_id: 'U7w1m3BSxe6ldZwPrZtGB3',
    // service_version: '29',
    status: '503',
    time_start: '2023-05-18T23:21:52Z',
    time_end: '2023-05-18T23:21:53Z',
    time_elapsed: 237,
    tls_cipher: 'TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256',
    tls_version: 'TLS 1.2',
    url: '/',
    user_agent: 'curl/7.68.0',
    user_city: 'san francisco',
    user_country_code: 'US',
    user_continent_code: 'NA',
    user_region: 'CA'
  };
  logger.log(logOutput);

  return new Response(JSON.stringify(logOutput, null, 2), { status: 200 });
}

// {

//   "client_ip": "%{req.http.Fastly-Client-IP}V",
//   "geo_country": "%{client.geo.country_name}V",
//   "url": "%{json.escape(req.url)}V",

//   "request_referer": "%{json.escape(req.http.referer)}V",
//   "request_user_agent": "%{json.escape(req.http.User-Agent)}V",
//   "fastly_is_edge": %{if(fastly.ff.visits_this_service == 0, "true", "false")}V,
//   "response_state": "%{json.escape(fastly_info.state)}V",
//   "response_status": %{resp.status}V,
//   "response_reason": %{if(resp.response, "%22"+json.escape(resp.response)+"%22", "null")}V,
//   "response_body_size": %{resp.body_bytes_written}V,
//   "request_method": "%{json.escape(req.method)}V",
//   "request_protocol": "%{json.escape(req.proto)}V",
//   "fastly_server": "%{json.escape(server.identity)}V",
//   "host": "%{if(req.http.Fastly-Orig-Host, req.http.Fastly-Orig-Host, req.http.Host)}V"
// }