// Copyright 2017-2021 @polkadot/api authors & contributors
// SPDX-License-Identifier: Apache-2.0

import { ApiPromise } from '@polkadot/api';
import { SubmittableExtrinsic } from '@polkadot/api/types';
import { Proposal, ProposalIndex } from '@polkadot/types/interfaces';
import { Registry } from '@polkadot/types/types';

export class ProposalFactory {
  readonly #api: ApiPromise;
  readonly #registry: Registry;

  constructor (api: ApiPromise) {
    this.#api = api;
    this.#registry = this.#api.registry;
  }

  public createProposal = (method: SubmittableExtrinsic<'promise'>): Proposal => {
    return this.#registry.createType('Proposal', method);
  };

  public proposalIndex = (index: number): ProposalIndex => {
    return this.#registry.createType('ProposalIndex', index);
  }
}