import { DDBConnector } from "../models/connector/DDBConnector";
import AudienceHashMap from "../services/scoringSystem/audienceHashMap.service";
import CallToActionHashMap from "../services/scoringSystem/callToActionHashMap.service";
import { ContextHashMap } from "../services/scoringSystem/contextHashMap.service";

export class HealthService {
  constructor(
    private readonly dynamoConnector: DDBConnector,
    private readonly contextHashMap: ContextHashMap,
    private readonly callToActionHashMap: CallToActionHashMap,
    private readonly audienceHashMap: AudienceHashMap
  ) {}

  async health() {
    const dynamoResult = (await this.dynamoConnector.health()) ? "UP" : "DOWN";

    const statusCode = HealthService.getStatusCode([dynamoResult]);
    const status = statusCode === 200 ? "UP" : "DOWN";

    return {
      status: statusCode,
      details: {
        status,
        dynamoConnector: dynamoResult,
        contextHashMap: this.contextHashMap.getStatus(),
        callToActionHashMap: this.callToActionHashMap.getStatus(),
        audienceHashMap: this.audienceHashMap.getStatus(),
      },
    };
  }

  static getStatusCode(serviceHealths: string[]) {
    return serviceHealths.every((s) => s === "UP") ? 200 : 500;
  }
}