package blockchain.query;

import blockchain.client.ChannelClientWrapper;
import blockchain.client.FabricClientWrapper;
import blockchain.configuration.Config;
import blockchain.user.UserContext;
import blockchain.utility.Util;
import org.hyperledger.fabric.sdk.BlockEvent;
import org.hyperledger.fabric.sdk.ChaincodeID;
import org.hyperledger.fabric.sdk.ProposalResponse;
import org.hyperledger.fabric.sdk.TransactionProposalRequest;

import java.util.Collection;

public class TransactionWrapper {

    public String sendTransaction(String from, String to, String amount){
        try{
            UserContext userContext = Util.readUserContext(Config.ORG1,"User-org1");
            String chaincode = Config.CHAINCODE_NAME;
            FabricClientWrapper fabricClientWrapper = new FabricClientWrapper(userContext);

            ChannelClientWrapper channelClientWrapper = ChannelClientWrapper.setupChannel(fabricClientWrapper);

            TransactionProposalRequest tpr = fabricClientWrapper.getClient().newTransactionProposalRequest();
            ChaincodeID cid = ChaincodeID.newBuilder().setName(Config.CHAINCODE_NAME).build();
            tpr.setChaincodeID(cid);
            tpr.setFcn("invoke");
            tpr.setArgs(new String[]{from,to,amount});

            Collection<ProposalResponse> responses = channelClientWrapper.sendTransactionProposal(tpr);
            System.out.println("VERIFY HERE, TRY TO SEND TRANSACTION");
            BlockEvent.TransactionEvent event = channelClientWrapper.sendTransaction(responses);

            return event.getTransactionID();

        }catch (Exception e){
            e.printStackTrace();
            return null;
        }
    }
}