bowling-analysis-system/src/config/env.js

A comprehensive system for analyzing bowling techniques using video processing and metrics calculation

/**
 * @module config/env
 * @description Environment-specific configuration for the bowling analysis system
 */

/**
 * Load environment variables or use defaults
 * @returns {Object} Environment configuration
 */
function loadEnvironmentConfig() {
  return {
    // Debug mode
    DEBUG: process.env.DEBUG === 'true',
    
    // Data paths
    DATA_ROOT: process.env.DATA_ROOT || './',
    OUTPUT_DIR: process.env.OUTPUT_DIR || './output',
    
    // Processing options
    CONFIDENCE_THRESHOLD: parseFloat(process.env.CONFIDENCE_THRESHOLD || '0.1'),
    EVENT_CONFIDENCE_THRESHOLD: parseFloat(process.env.EVENT_CONFIDENCE_THRESHOLD || '0.6'),
    
    // Performance options
    WORKER_COUNT: parseInt(process.env.WORKER_COUNT || '1', 10),
    
    // Feature flags
    ENABLE_CACHING: process.env.ENABLE_CACHING !== 'false',
    ENABLE_VALIDATION: process.env.ENABLE_VALIDATION !== 'false'
  };
}

/**
 * Current environment name
 * @type {string}
 */
const NODE_ENV = process.env.NODE_ENV || 'development';

/**
 * Is production environment
 * @type {boolean}
 */
const IS_PRODUCTION = NODE_ENV === 'production';

/**
 * Is development environment
 * @type {boolean}
 */
const IS_DEVELOPMENT = NODE_ENV === 'development';

/**
 * Is test environment
 * @type {boolean}
 */
const IS_TEST = NODE_ENV === 'test';

/**
 * Environment-specific configurations
 * @type {Object}
 */
const ENV_CONFIG = {
  development: {
    debug: true,
    enableValidation: true,
    enableCaching: true
  },
  test: {
    debug: false,
    enableValidation: true,
    enableCaching: false
  },
  production: {
    debug: false,
    enableValidation: false,
    enableCaching: true
  }
};

/**
 * Current environment configuration
 * @type {Object}
 */
const CURRENT_ENV_CONFIG = ENV_CONFIG[NODE_ENV] || ENV_CONFIG.development;

/**
 * Path configuration
 * @type {Object}
 */
const paths = {
  data: process.env.DATA_PATH || './data',
  output: process.env.OUTPUT_PATH || './data/output',
  logs: process.env.LOGS_PATH || './logs',
  temp: process.env.TEMP_PATH || './temp',
  reference: process.env.REFERENCE_PATH || './data/reference',
  bias: process.env.BIAS_PATH || './data/bias'
};

/**
 * Logging configuration
 * @type {Object}
 */
const logging = {
  level: process.env.LOG_LEVEL || 'info',
  logToFile: process.env.LOG_TO_FILE !== 'false',
  logFormat: process.env.LOG_FORMAT || 'simple'
};

module.exports = {
  loadEnvironmentConfig,
  NODE_ENV,
  IS_PRODUCTION,
  IS_DEVELOPMENT,
  IS_TEST,
  CURRENT_ENV_CONFIG,
  paths,
  logging
};