/**
 * Loki log aggregation configuration using Yup
 * Centralized logging configuration for the Stock Bot platform
 */
import { cleanEnv, envValidators } from './env-utils';

const { str, port, bool, num } = envValidators;

/**
 * Loki configuration with validation and defaults
 */
export const lokiConfig = cleanEnv(process.env, {
  // Loki Server
  LOKI_HOST: str('localhost', 'Loki host'),
  LOKI_PORT: port(3100, 'Loki port'),
  LOKI_URL: str('', 'Complete Loki URL (overrides host/port)'),

  // Authentication
  LOKI_USERNAME: str('', 'Loki username (if auth enabled)'),
  LOKI_PASSWORD: str('', 'Loki password (if auth enabled)'),
  LOKI_TENANT_ID: str('', 'Loki tenant ID (for multi-tenancy)'),

  // Push Configuration
  LOKI_PUSH_TIMEOUT: num(10000, 'Push timeout in ms'),
  LOKI_BATCH_SIZE: num(1024, 'Batch size for log entries'),
  LOKI_BATCH_WAIT: num(5, 'Batch wait time in ms'),

  // Retention Settings
  LOKI_RETENTION_PERIOD: str('30d', 'Log retention period'),
  LOKI_MAX_CHUNK_AGE: str('1h', 'Maximum chunk age'),

  // TLS Settings
  LOKI_TLS_ENABLED: bool(false, 'Enable TLS for Loki'),
  LOKI_TLS_INSECURE: bool(false, 'Skip TLS verification'),

  // Log Labels
  LOKI_DEFAULT_LABELS: str('', 'Default labels for all log entries (JSON format)'),
  LOKI_SERVICE_LABEL: str('stock-bot', 'Service label for log entries'),
  LOKI_ENVIRONMENT_LABEL: str('development', 'Environment label for log entries'),
});

// Export typed configuration object
export type LokiConfig = typeof lokiConfig;

// Export individual config values for convenience
export const {
  LOKI_HOST,
  LOKI_PORT,
  LOKI_URL,
  LOKI_USERNAME,
  LOKI_PASSWORD,
  LOKI_TENANT_ID,
  LOKI_PUSH_TIMEOUT,
  LOKI_BATCH_SIZE,
  LOKI_BATCH_WAIT,
  LOKI_RETENTION_PERIOD,
  LOKI_MAX_CHUNK_AGE,
  LOKI_TLS_ENABLED,
  LOKI_TLS_INSECURE,
  LOKI_DEFAULT_LABELS,
  LOKI_SERVICE_LABEL,
  LOKI_ENVIRONMENT_LABEL,
} = lokiConfig;