const fs = require('fs-extra');
const path = require('path');
const os = require('os');
const retry = require('async-retry');
const isCI = require('is-ci');
const pkg = require('../package.json');

const dest = path.resolve(__dirname, '../.next/cache/umami.json');
const url = 'https://telemetry.umami.is/api/collect';

async function sendTelemetry() {
  await fs.ensureFile(dest);

  let json = {};

  try {
    json = await fs.readJSON(dest);
  } catch {
    // Ignore
  }

  if (json.version !== pkg.version) {
    const { default: isDocker } = await import('is-docker');
    const { default: fetch } = await import('node-fetch');

    await fs.writeJSON(dest, { version: pkg.version });

    const payload = {
      umami: pkg.version,
      node: process.version,
      platform: os.platform(),
      arch: os.arch(),
      os: `${os.type()} (${os.version()})`,
      isDocker: isDocker(),
      isCI,
    };

    await retry(
      async () => {
        await fetch(url, {
          method: 'post',
          cache: 'no-cache',
          headers: {
            'Content-Type': 'application/json',
          },
          body: JSON.stringify(payload),
        });
      },
      { minTimeout: 500, retries: 1, factor: 1 },
    ).catch(() => {});
  }
}

module.exports = sendTelemetry;