import {Injectable, Logger} from '@nestjs/common';
import {SharedService} from "../shared/shared.service";

export interface IFeatureFlagStatus {
  name: string;
  state: boolean;
}

@Injectable()
export class FeatureflagService {
  private logger = new Logger(FeatureflagService.name);
  constructor(private sharedService: SharedService ) {
  }

  async getFeatureFlag(id: string): Promise<IFeatureFlagStatus> {
    this.logger.verbose(`Getting feature flag status for ${id}`);
    const state  = await this.sharedService.getConfig(`featureflag/${id}`);
    return {
      name: id,
      state: state.value !== 'false',
    }
  }

  async setFeatureFlag(id: string, status: boolean) : Promise<IFeatureFlagStatus> {
    this.logger.verbose(`Setting feature flag status for ${id} to ${status} `);
    const result = await this.sharedService.setConfig(`featureflag/${id}`, status.toString());
    return {
      name: id,
      state: result.value !== 'false',
    }
  }

}