import dotenv from 'dotenv';
import path from 'path';

dotenv.config();

export const config = {
  // Service
  port: parseInt(process.env.PORT || '4100', 10),
  nodeEnv: process.env.NODE_ENV || 'development',

  // Gateway
  gatewayWsUrl: process.env.GATEWAY_WS_URL || 'wss://gateway-int.poweron-center.net/api/teamsbot/ws',

  // Bot
  botName: process.env.BOT_NAME || 'PowerOn AI',
  botHeadless: process.env.BOT_HEADLESS !== 'false',
  /**
   * Replace Chromium's fake test-pattern video with a canvas stream (gradient + label).
   * Default OFF: in tests with the poweron tenant the Teams SFU rejects all
   * outbound video m-lines (port=0/inactive) regardless of which track we send,
   * so enabling video just costs CPU + adds a misleading "camera on" indicator
   * for other participants without ever transmitting frames. Set
   * BOT_USE_CANVAS_VIDEO=true if a future tenant policy permits IP video and
   * you want to push the canvas stream.
   */
  botUseCanvasVideo: process.env.BOT_USE_CANVAS_VIDEO === 'true',

  // Logging
  logLevel: process.env.LOG_LEVEL || 'info',
  logDir: process.env.LOG_DIR || './output/logs',

  // Screenshots
  screenshotDir: process.env.SCREENSHOT_DIR || './output/screenshots',
  screenshotOnError: process.env.SCREENSHOT_ON_ERROR === 'true',
  // Stream screenshot bytes as base64 chunks into the bot log. Only useful in
  // cloud deployments (e.g. Azure App Service) where the screenshot files on
  // disk are not reachable. Locally the UI loads them via the REST proxy
  // (/api/teamsbot/{instanceId}/screenshots/{file}), so this just bloats the
  // log. Default OFF.
  screenshotLogBase64: process.env.SCREENSHOT_LOG_BASE64 === 'true',

  // Timeouts (in milliseconds)
  timeouts: {
    lobbyWait: 120000,      // 2 minutes waiting in lobby
    joinTimeout: 30000,     // 30 seconds to join
    captionsEnable: 10000,  // 10 seconds to enable captions
    pageLoad: 30000,        // 30 seconds for page load
  },

  // Teams URLs
  teamsBaseUrl: 'https://teams.microsoft.com',
};