export type HealthStatus = 'ok' | 'degraded' | 'unhealthy';

export interface HealthInputs {
  dbOk: boolean;
  redisStatus: string;
  pansouStatus: string;
  videoParserStatus: string;
}

export interface HealthOptions {
  videoParserRequired?: boolean;
}

export function computeOverallHealth(
  { dbOk, redisStatus, pansouStatus, videoParserStatus }: HealthInputs,
  options: HealthOptions = {},
): HealthStatus {
  const videoParserRequired = options.videoParserRequired ?? false;

  if (dbOk && redisStatus === 'connected' && pansouStatus === 'ok') {
    if (!videoParserRequired || videoParserStatus === 'ok') {
      return 'ok';
    }
    return 'degraded';
  }

  if (dbOk && redisStatus !== 'unknown' && pansouStatus !== 'unreachable') {
    return 'degraded';
  }

  return 'unhealthy';
}