/**
 * Shared types for certificate management and domain options
 */

/**
 * Domain forwarding configuration
 */
export interface IForwardConfig {
  ip: string;
  port: number;
}

/**
 * Domain configuration options
 */
export interface IDomainOptions {
  domainName: string;
  sslRedirect: boolean;   // if true redirects the request to port 443
  acmeMaintenance: boolean; // tries to always have a valid cert for this domain
  forward?: IForwardConfig; // forwards all http requests to that target
  acmeForward?: IForwardConfig; // forwards letsencrypt requests to this config
}

/**
 * Certificate data that can be emitted via events or set from outside
 */
export interface ICertificateData {
  domain: string;
  certificate: string;
  privateKey: string;
  expiryDate: Date;
}

/**
 * Events emitted by the Port80Handler
 */
export enum Port80HandlerEvents {
  CERTIFICATE_ISSUED = 'certificate-issued',
  CERTIFICATE_RENEWED = 'certificate-renewed',
  CERTIFICATE_FAILED = 'certificate-failed',
  CERTIFICATE_EXPIRING = 'certificate-expiring',
  MANAGER_STARTED = 'manager-started',
  MANAGER_STOPPED = 'manager-stopped',
  REQUEST_FORWARDED = 'request-forwarded',
}

/**
 * Certificate failure payload type
 */
export interface ICertificateFailure {
  domain: string;
  error: string;
  isRenewal: boolean;
}

/**
 * Certificate expiry payload type
 */
export interface ICertificateExpiring {
  domain: string;
  expiryDate: Date;
  daysRemaining: number;
}
/**
 * Forwarding configuration for specific domains in ACME setup
 */
export interface IDomainForwardConfig {
  domain: string;
  forwardConfig?: IForwardConfig;
  acmeForwardConfig?: IForwardConfig;
  sslRedirect?: boolean;
}

/**
 * Unified ACME configuration options used across proxies and handlers
 */
export interface IAcmeOptions {
  enabled?: boolean;              // Whether ACME is enabled
  port?: number;                  // Port to listen on for ACME challenges (default: 80)
  contactEmail?: string;          // Email for Let's Encrypt account
  useProduction?: boolean;        // Use production environment (default: staging)
  httpsRedirectPort?: number;     // Port to redirect HTTP requests to HTTPS (default: 443)
  renewThresholdDays?: number;    // Days before expiry to renew certificates
  renewCheckIntervalHours?: number; // How often to check for renewals (in hours)
  autoRenew?: boolean;            // Whether to automatically renew certificates
  certificateStore?: string;      // Directory to store certificates
  skipConfiguredCerts?: boolean;  // Skip domains with existing certificates
  domainForwards?: IDomainForwardConfig[]; // Domain-specific forwarding configs
}