/**
 * Application-wide constants and configuration values
 * Centralizes magic numbers and reduces code duplication
 */

// Time constants (in milliseconds)
export const TIME = {
  SECOND: 1000,
  MINUTE: 60 * 1000,
  HOUR: 60 * 60 * 1000,
  DAY: 24 * 60 * 60 * 1000,
  WEEK: 7 * 24 * 60 * 60 * 1000,
} as const;

// Database and query limits
export const DATABASE = {
  CONNECTION_POOL_SIZE: 15,
  QUERY_TIMEOUT: 30 * TIME.SECOND,
  MAX_RETRY_ATTEMPTS: 3,
  RETRY_DELAY_BASE: 1 * TIME.SECOND,
  RETRY_DELAY_MAX: 30 * TIME.SECOND,
} as const;

// Batch processing configuration
export const BATCH_PROCESSING = {
  MAX_REQUESTS_PER_BATCH: 1000,
  MIN_STATUS_CHECK_INTERVAL: 1 * TIME.MINUTE,
  MAX_BATCH_TIMEOUT: 24 * TIME.HOUR,
  REQUEST_TIMEOUT: 60 * TIME.SECOND,
  CIRCUIT_BREAKER_TIMEOUT: 5 * TIME.MINUTE,
  DEFAULT_BATCH_SIZE: 50,
} as const;

// AI Processing limits
export const AI_PROCESSING = {
  MAX_TOKENS: 1000,
  DEFAULT_TEMPERATURE: 0.7,
  MAX_RETRIES: 3,
  TIMEOUT: 60 * TIME.SECOND,
} as const;

// Rate limiting configuration
export const RATE_LIMITING = {
  AUTH_WINDOW: 15 * TIME.MINUTE,
  AUTH_MAX_ATTEMPTS: 5,
  REGISTRATION_WINDOW: 1 * TIME.HOUR,
  REGISTRATION_MAX_ATTEMPTS: 3,
  PASSWORD_RESET_WINDOW: 15 * TIME.MINUTE,
  PASSWORD_RESET_MAX_ATTEMPTS: 5,
  CSP_REPORT_WINDOW: 1 * TIME.MINUTE,
  CSP_REPORT_MAX_REPORTS: 10,
  DEFAULT_WINDOW: 1 * TIME.MINUTE,
  DEFAULT_MAX_REQUESTS: 100,
} as const;

// Security monitoring configuration
export const SECURITY_MONITORING = {
  EVENT_BUFFER_MAX_SIZE: 10000,
  EVENT_BUFFER_CLEANUP_INTERVAL: 5 * TIME.MINUTE,
  EVENT_RETENTION_HOURS: 1,
  ALERT_RETENTION_DAYS: 30,
  BACKGROUND_PROCESSING_INTERVAL: 30 * TIME.SECOND,
  THREAT_DETECTION_WINDOW: 1 * TIME.MINUTE,
  ANOMALY_CONFIDENCE_THRESHOLD: 0.8,
} as const;

// Cache configuration
export const CACHE = {
  DEFAULT_TTL: 5 * TIME.MINUTE,
  LONG_TTL: 1 * TIME.HOUR,
  SHORT_TTL: 30 * TIME.SECOND,
  MAX_SIZE: 10000,
  CLEANUP_INTERVAL: 5 * TIME.MINUTE,
} as const;

// File processing limits
export const FILE_PROCESSING = {
  MAX_FILE_SIZE: 100 * 1024 * 1024, // 100MB
  CHUNK_SIZE: 1024 * 1024, // 1MB
  MAX_CONCURRENT_UPLOADS: 5,
  UPLOAD_TIMEOUT: 10 * TIME.MINUTE,
} as const;

// Session configuration
export const SESSION = {
  PLATFORM_USER_DURATION: 8 * TIME.HOUR,
  COMPANY_USER_DURATION: 24 * TIME.HOUR,
  CLEANUP_INTERVAL: 1 * TIME.HOUR,
  MAX_CONCURRENT_SESSIONS: 5,
} as const;

// Scheduler configuration
export const SCHEDULER = {
  CSV_IMPORT_INTERVAL: 5 * TIME.MINUTE,
  PROCESSING_INTERVAL: 2 * TIME.MINUTE,
  BATCH_CREATION_INTERVAL: 5 * TIME.MINUTE,
  BATCH_STATUS_CHECK_INTERVAL: 2 * TIME.MINUTE,
  AUDIT_LOG_CLEANUP_INTERVAL: 24 * TIME.HOUR,
  DEFAULT_CONCURRENCY: 5,
  MAX_PROCESSING_TIME: 30 * TIME.MINUTE,
} as const;

// API configuration
export const API = {
  DEFAULT_TIMEOUT: 30 * TIME.SECOND,
  LONG_TIMEOUT: 2 * TIME.MINUTE,
  MAX_RETRIES: 3,
  RETRY_DELAY: 1 * TIME.SECOND,
  MAX_RESPONSE_SIZE: 10 * 1024 * 1024, // 10MB
} as const;

// Validation limits
export const VALIDATION = {
  MIN_PASSWORD_LENGTH: 12,
  MAX_PASSWORD_LENGTH: 128,
  MAX_EMAIL_LENGTH: 254,
  MAX_NAME_LENGTH: 100,
  MAX_DESCRIPTION_LENGTH: 1000,
  MAX_SEARCH_QUERY_LENGTH: 500,
} as const;

// Environment-specific configurations
export const ENVIRONMENT = {
  DEVELOPMENT: {
    LOG_LEVEL: "debug",
    MOCK_EXTERNAL_APIS: true,
    STRICT_CSP: false,
  },
  PRODUCTION: {
    LOG_LEVEL: "warn",
    MOCK_EXTERNAL_APIS: false,
    STRICT_CSP: true,
  },
  TEST: {
    LOG_LEVEL: "error",
    MOCK_EXTERNAL_APIS: true,
    STRICT_CSP: false,
  },
} as const;

// Feature flags
export const FEATURES = {
  ENABLE_BATCH_OPTIMIZATION: true,
  ENABLE_SECURITY_MONITORING: true,
  ENABLE_PERFORMANCE_TRACKING: true,
  ENABLE_CACHE: true,
  ENABLE_RATE_LIMITING: true,
} as const;