/**
 * Copyright 2024-2026 Wingify Software Pvt. Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { PlatformEnum } from '../enums/PlatformEnum';
import { SEED_URL, HTTP_PROTOCOL, HTTPS_PROTOCOL } from './Url';
import sdkMeta from '../../VERSION';

const SDK_VERSION = sdkMeta.version;

// __SDK_BRAND__ is injected by webpack DefinePlugin at build time ('vwo' or 'wingify').
// Falls back to 'vwo' in non-webpack environments (e.g., tests, ts-node).
const _brand: string = typeof __SDK_BRAND__ !== 'undefined' ? __SDK_BRAND__ : 'vwo';
const _isWingify = _brand === 'wingify';

let packageFile;
let platform;

// Reading package.json will bundle the whole file that's why preventing it by reading VERSION
if (typeof process === 'undefined') {
  packageFile = {
    name: _isWingify ? 'wingify-fme-javascript-sdk' : 'vwo-fme-javascript-sdk',
    version: SDK_VERSION,
  };

  platform = PlatformEnum.CLIENT;
} else {
  packageFile = {
    name: _isWingify ? 'wingify-fme-node-sdk' : 'vwo-fme-node-sdk',
    version: SDK_VERSION,
  };
  platform = PlatformEnum.SERVER;
}

export const Constants = {
  SDK_NAME: packageFile.name,
  SDK_VERSION: packageFile.version,

  PLATFORM: platform,

  MAX_TRAFFIC_PERCENT: 100,
  MAX_TRAFFIC_VALUE: 10000,
  STATUS_RUNNING: 'RUNNING',

  SEED_VALUE: 1,
  MAX_EVENTS_PER_REQUEST: 5000,
  DEFAULT_REQUEST_TIME_INTERVAL: 3,
  DEFAULT_EVENTS_PER_REQUEST: 100,

  SEED_URL,
  HTTP_PROTOCOL,
  HTTPS_PROTOCOL,

  SETTINGS: 'settings',
  SETTINGS_EXPIRY: 10000000,
  SETTINGS_TIMEOUT: 50000,
  EVENTS_CALL_TIMEOUT: 10000, // 10 seconds
  SETTINGS_TTL: 7200000, // 2 HOURS
  ALWAYS_USE_CACHED_SETTINGS: false,

  MIN_TTL_MS: 60000, // 1 MINUTE

  HOST_NAME: _isWingify ? 'edge.wingify.net' : 'dev.visualwebsiteoptimizer.com',
  COLLECTION_HOST_NAME: _isWingify ? 'collect.wingify.net' : 'dev.visualwebsiteoptimizer.com',
  SETTINGS_ENDPOINT: '/server-side/v2-settings',
  WEBHOOK_SETTINGS_ENDPOINT: '/server-side/v2-pull',
  LOCATION_ENDPOINT: '/getLocation',

  FS_ENVIRONMENT_KEY: 'vwo_fs_environment',

  RANDOM_ALGO: 1,

  API_VERSION: '1',

  META_MEG_KEY: '_vwo_meta_meg_',

  DEFAULT_RETRY_CONFIG: {
    shouldRetry: true,
    initialDelay: 2,
    maxRetries: 3,
    backoffMultiplier: 2,
  },

  // Same localStorage key for VWO and Wingify packages (backward compatible with existing apps).
  DEFAULT_SETTINGS_STORAGE_KEY: 'vwo_fme_settings',
  POLLING_INTERVAL: 600000,
  PRODUCT_NAME: 'fme',

  BRAND_DISPLAY_NAME: _isWingify ? 'Wingify' : 'VWO',
  LOG_PREFIX: _isWingify ? 'Wingify-SDK' : 'VWO-SDK',
  LOGGER_NAME: _isWingify ? 'Wingify Logger' : 'VWO Logger',
  SETTINGS_MANAGER_NAME: _isWingify ? 'Wingify Settings Manager' : 'VWO Settings Manager',
  NETWORK_LAYER_NAME: _isWingify ? 'Wingify Network Layer' : 'VWO Network Layer',
  LOCAL_STORAGE_NAME: _isWingify ? 'Wingify Local Storage' : 'VWO Local Storage',
  SESSION_STORAGE_NAME: _isWingify ? 'Wingify Session Storage' : 'VWO Session Storage',
  SETTINGS_FETCH_ERROR: _isWingify ? 'Wingify settings could not be fetched' : 'VWO settings could not be fetched',

  // Debugger constants
  V2_SETTINGS: 'v2-settings',
  POLLING: 'polling',
  BATCH_EVENTS: 'batch-events',
  STORAGE: 'storage',
  FLAG_DECISION_GIVEN: 'FLAG_DECISION_GIVEN',
  NETWORK_CALL_FAILURE_AFTER_MAX_RETRIES: 'NETWORK_CALL_FAILURE_AFTER_MAX_RETRIES',
  NETWORK_CALL_SUCCESS_WITH_RETRIES: 'NETWORK_CALL_SUCCESS_WITH_RETRIES',
  IMPACT_ANALYSIS: 'IMPACT_ANALYSIS',

  // Holdout constants
  VARIATION_IS_PART_OF_HOLDOUT: 1,
  VARIATION_NOT_PART_OF_HOLDOUT: 2,

  // default https agent configuration constants
  DEFAULT_HTTPS_AGENT: {
    keepAlive: true,
    maxSockets: 100,
    maxFreeSockets: 20,
    timeout: 60000,
  },

  // minimun agent configuration constants
  MIN_SOCKETS: 50,
  MIN_FREE_SOCKETS: 10,
  MIN_TIMEOUT: 30000,
};