/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the "Elastic License
 * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
 * Public License v 1"; you may not use this file except in compliance with, at
 * your election, the "Elastic License 2.0", the "GNU Affero General Public
 * License v3.0 only", or the "Server Side Public License, v 1".
 */

import url from 'url';
import { kibanaTestUser } from './src/kbn/users';

export interface UrlParts {
  protocol?: string;
  hostname?: string;
  port?: number;
  auth?: string;
  username?: string;
  password?: string;
}

interface UserAuth {
  username: string;
  password: string;
}

export const kbnTestConfig = new (class KbnTestConfig {
  getPort() {
    return this.getUrlParts().port;
  }

  getUrlParts(user: UserAuth = kibanaTestUser): UrlParts {
    // allow setting one complete TEST_KIBANA_URL for ES like https://elastic:changeme@example.com:9200
    if (process.env.TEST_KIBANA_URL) {
      const testKibanaUrl = url.parse(process.env.TEST_KIBANA_URL);
      return {
        protocol: testKibanaUrl.protocol?.slice(0, -1),
        hostname: testKibanaUrl.hostname === null ? undefined : testKibanaUrl.hostname,
        port: testKibanaUrl.port ? parseInt(testKibanaUrl.port, 10) : undefined,
        auth: testKibanaUrl.auth === null ? undefined : testKibanaUrl.auth,
        username: testKibanaUrl.auth?.split(':')[0],
        password: testKibanaUrl.auth?.split(':')[1],
      };
    }

    const username = process.env.TEST_KIBANA_USERNAME || user.username;
    const password = process.env.TEST_KIBANA_PASSWORD || user.password;
    return {
      protocol: process.env.TEST_KIBANA_PROTOCOL || 'http',
      hostname: process.env.TEST_KIBANA_HOSTNAME || 'localhost',
      port: process.env.TEST_KIBANA_PORT ? parseInt(process.env.TEST_KIBANA_PORT, 10) : 5620,
      auth: `${username}:${password}`,
      username,
      password,
    };
  }

  /**
   * Use to get `port:undefined` for assertions if the port is default for the
   * used protocol and thus would be stripped by the browser
   */
  getUrlPartsWithStrippedDefaultPort(user: UserAuth = kibanaTestUser): UrlParts {
    const urlParts = this.getUrlParts(user);

    if (
      (urlParts.protocol === 'http' && urlParts.port === 80) ||
      (urlParts.protocol === 'https' && urlParts.port === 443)
    ) {
      urlParts.port = undefined;
    }

    return urlParts;
  }
})();