import { ExpoConfig, getAccountUsername, getDefaultTarget, getPackageJson } from '@expo/config';
import JsonFile, { JSONValue } from '@expo/json-file';
import resolveFrom from 'resolve-from';

import { memoize } from '../fn';

const getAccountName = memoize((exp: Pick<ExpoConfig, 'owner'>) => {
  return getAccountUsername(exp);
});

/** @returns true if the expo-dev-client package is found in the project `package.json` file. */
export function hasDirectDevClientDependency(projectRoot: string): boolean {
  const pkg = getPackageJson(projectRoot);
  return !!pkg.dependencies?.['expo-dev-client'] || !!pkg.devDependencies?.['expo-dev-client'];
}

const getDevClientVersion = memoize((projectRoot: string): JSONValue | undefined => {
  try {
    const devClientPackage = resolveFrom.silent(projectRoot, 'expo-dev-client/package.json');
    if (devClientPackage) {
      return JsonFile.read(devClientPackage).version;
    }
  } catch {}
  return undefined;
});

const getProjectType = memoize((projectRoot: string): 'managed' | 'generic' => {
  return getDefaultTarget(projectRoot) === 'managed' ? 'managed' : 'generic';
});

export default function getDevClientProperties(projectRoot: string, exp: ExpoConfig) {
  return {
    account_name: getAccountName({ owner: exp.owner }),
    dev_client_version: getDevClientVersion(projectRoot),
    project_type: getProjectType(projectRoot),
    uptime_ms: process.uptime() * 1000,
  };
}