const fs = require('fs-extra');
const { execSync } = require('child_process');
const detox = require('detox');

async function globalSetup() {
  const config = resolveSelectedConfiguration() || {};
  downloadTestButlerAPKIfNeeded(config);
  await detox.globalInit();
}

function downloadTestButlerAPKIfNeeded(config) {
  if (isAndroidConfig(config)) {
    downloadTestButlerAPK();
  }
}

function downloadTestButlerAPK() {
  const version = '2.2.1';
  const artifactUrl = `https://repo1.maven.org/maven2/com/linkedin/testbutler/test-butler-app/${version}/test-butler-app-${version}.apk`;
  const filePath = `./cache/test-butler-app.apk`;

  fs.ensureDirSync('./cache');
  if (!fs.existsSync(filePath)) {
    console.log(`\nDownloading Test-Butler APK v${version}...`);
    execSync(`curl -f -o ${filePath} ${artifactUrl}`);
  }
}

function resolveSelectedConfiguration() {
  const { configurations } = require('../.detoxrc');
  const configName = process.env.DETOX_CONFIGURATION; 
  return configurations[configName];
}

// TODO eventually, this should be made available by Detox more explicitly
function isAndroidConfig(config) {
  return [config.type, process.env.DETOX_CONFIGURATION, config.device].some(s => `${s}`.includes('android'));
}

module.exports = globalSetup;