import path from 'path';
import semver from 'semver';

import { parseAddress } from '../utils';
import { DEFAULT_PORT } from '../constants';

const logger = require('../logger');

export const resolveConfigPath = function (storageLocation: string, file: string) {
  return path.resolve(path.dirname(storageLocation), file);
};

export const MIN_NODE_VERSION = '12';

export function isVersionValid(version) {
  return semver.satisfies(version, `>=${MIN_NODE_VERSION}`);
}


/**
 * Retrieve all addresses defined in the config file.
 * Verdaccio is able to listen multiple ports
 * @param {String} argListen
 * @param {String} configListen
 * eg:
 *  listen:
 - localhost:5555
 - localhost:5557
 @return {Array}
 */
export function getListListenAddresses(argListen: string, configListen: any): any {
  // command line || config file || default
  let addresses;
  if (argListen) {
    addresses = [argListen];
  } else if (Array.isArray(configListen)) {
    addresses = configListen;
    process.emitWarning('multiple addresses will be deprecated in the next major, only use one');
  } else if (configListen) {
    addresses = [configListen];
  } else {
    addresses = [DEFAULT_PORT];
  }
  addresses = addresses
    .map(function (addr): string {
      const parsedAddr = parseAddress(addr);

      if (!parsedAddr) {
        logger.logger.warn(
          { addr: addr },
          'invalid address - @{addr}, we expect a port (e.g. "4873"),' +
            ' host:port (e.g. "localhost:4873") or full url' +
            ' (e.g. "http://localhost:4873/")'
        );
      }

      return parsedAddr;
    })
    .filter(Boolean);

  return addresses;
}