import { Injectable } from '@nestjs/common';
import * as Joi from 'joi';
import { AbstractActionHandler, Format } from '../abstract-action.handler';
import { Action } from '../action.enum';
import { RequestContext } from '../_context/request.context';
import { S3Service } from './s3.service';

type QueryParams = {
  Bucket: string;
};

@Injectable()
export class GetBucketAclHandler extends AbstractActionHandler<QueryParams> {
  constructor(private readonly s3Service: S3Service) {
    super();
  }

  format = Format.Xml;
  action = Action.S3GetBucketAcl;
  validator = Joi.object<QueryParams, true>({
    Bucket: Joi.string().required(),
  });

  protected async handle({ Bucket }: QueryParams, { awsProperties }: RequestContext) {
    const acl = await this.s3Service.getBucketAcl(Bucket);

    return {
      Owner: acl.Owner,
      AccessControlList: {
        Grant: acl.Grants.length > 0 ? acl.Grants : undefined,
      },
    };
  }
}