/*
 * Copyright (C) 2020-2023 Hedera Hashgraph, LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.hedera.test.factories.txns;

import com.hederahashgraph.api.proto.java.ContractCallTransactionBody;
import com.hederahashgraph.api.proto.java.Transaction;
import com.hederahashgraph.api.proto.java.TransactionBody;
import java.util.OptionalLong;

public class ContractCallFactory extends SignedTxnFactory<ContractCallFactory> {
    private OptionalLong gas = OptionalLong.empty();
    private OptionalLong sending = OptionalLong.empty();

    private ContractCallFactory() {}

    public static ContractCallFactory newSignedContractCall() {
        return new ContractCallFactory();
    }

    @Override
    protected ContractCallFactory self() {
        return this;
    }

    @Override
    protected long feeFor(Transaction signedTxn, int numPayerKeys) {
        return 0;
    }

    @Override
    protected void customizeTxn(TransactionBody.Builder txn) {
        ContractCallTransactionBody.Builder op = ContractCallTransactionBody.newBuilder();
        gas.ifPresent(op::setGas);
        sending.ifPresent(op::setAmount);
        txn.setContractCall(op);
    }

    public ContractCallFactory gas(long amount) {
        gas = OptionalLong.of(amount);
        return this;
    }

    public ContractCallFactory sending(long amount) {
        sending = OptionalLong.of(amount);
        return this;
    }
}
