import { providers } from 'ethers';
import BaseService from '../commons/BaseService';
import { eEthereumTxType, transactionType } from '../commons/types';
import { HelperContract } from './typechain/HelperContract';
import { HelperContract__factory } from './typechain/HelperContract__factory';

export class HelperContractService extends BaseService<HelperContract> {
  instance: HelperContract;

  constructor(provider: providers.Provider, address: string) {
    super(provider, HelperContract__factory);
    this.instance = this.getContractInstance(address);
  }

  public convertApeCoinToPCApe(amount: string, receiver: string) {
    const tx: () => Promise<transactionType> = this.generateTxCallback({
      rawTxMethod: async () =>
        this.instance.populateTransaction.convertApeCoinToPCApe(amount),
      from: receiver,
    });

    return {
      tx,
      txType: eEthereumTxType.OTHERS,
      gas: this.generateTxPriceEstimation([], tx),
    };
  }

  public convertPCApeToApeCoin(amount: string, receiver: string) {
    const tx: () => Promise<transactionType> = this.generateTxCallback({
      rawTxMethod: async () =>
        this.instance.populateTransaction.convertPCApeToApeCoin(amount),
      from: receiver,
    });

    return {
      tx,
      txType: eEthereumTxType.OTHERS,
      gas: this.generateTxPriceEstimation([], tx),
    };
  }
}