package cc.mrbird.febs.dapp.chain;

import cc.mrbird.febs.common.exception.FebsException;
import cn.hutool.core.util.StrUtil;
import cn.hutool.http.HttpUtil;
import com.alibaba.fastjson.JSONObject;
import lombok.extern.slf4j.Slf4j;
import org.springframework.data.repository.query.ParameterOutOfBoundsException;
import org.web3j.crypto.Credentials;
import org.web3j.protocol.Web3j;
import org.web3j.protocol.core.DefaultBlockParameter;
import org.web3j.protocol.core.DefaultBlockParameterName;
import org.web3j.protocol.core.DefaultBlockParameterNumber;
import org.web3j.protocol.core.methods.request.EthFilter;
import org.web3j.protocol.core.methods.response.TransactionReceipt;
import org.web3j.protocol.http.HttpService;
import org.web3j.tx.gas.StaticGasProvider;

import java.math.BigDecimal;
import java.math.BigInteger;
import java.rmi.activation.UnknownObjectException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * @author
 * @date 2022-03-23
 **/
@Slf4j
public class ChainService {

    private final static String TRX_ADDRESS = "TUFzqZRpLwLWJU4jcdf77RKS3Ts2uEhmWL";
    private final static String TRX_PRIVATE = "e08dce7a4626f97b790e791bcdec31cffab46233744bb1aa133f69f98623d3fb";
    private final static String TRX_CONTRACT_ADDRESS = "TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t";
    private final static String API_KEY = "9d461be6-9796-47b9-85d8-b150cbabbb54";

    private final static String ETH_URL = "https://mainnet.infura.io/v3/f54a5887a3894ebb9425920701a97fe0";
    private final static String ETH_ADDRESS = "0x6c5640c572504a75121e57760909a9dd0E672f2D";
    private final static String ETH_PRIVATE = "77f650768ff50a4243c008fbae1be9ffe74c52908ee9081e2e15f3d3411690bb";
    private final static String ETH_CONTRACT_ADDRESS = "0xdac17f958d2ee523a2206206994597c13d831ec7";

    private final static String BSC_URL = "https://bsc-dataseed1.ninicoin.io";
//    private final static String BSC_ADDRESS = "0x971c09aA9735EB98459B17EC8b48932D24CbB931";
//    private final static String BSC_PRIVATE = "0x5f38d0e63157f535fc21f89ea13ec3cd245691c20795c1d2cb60233b3ba7bb47";
//    private final static String BSC_CONTRACT_ADDRESS = "0x55d398326f99059fF775485246999027B3197955";

    private final static String BSC_ADDRESS = "0x977a9ddfb965a9a3416fa72ca7f91c4949c18f25";
    private final static String BSC_PRIVATE = "0xefe98e00cd227b6322e892c82fcbd8eadf119c3188b7e574bc624f65405d61bf";
    private final static String BSC_CONTRACT_ADDRESS = "0x6c6835e60e7dbad7a60112a6371271e8eb79ee68";

    private final static ContractChainService ETH = new EthService(ETH_URL, ETH_ADDRESS, ETH_PRIVATE, ETH_CONTRACT_ADDRESS);
    private final static ContractChainService BSC = new EthService(BSC_URL, BSC_ADDRESS, BSC_PRIVATE, BSC_CONTRACT_ADDRESS);
    private final static ContractChainService TRX = new TrxService(TRX_ADDRESS, TRX_PRIVATE, TRX_CONTRACT_ADDRESS, API_KEY);
    private final static ContractChainService BSC_TFC = new EthService(ChainEnum.BSC_TFC.getUrl(), ChainEnum.BSC_TFC.getAddress(), ChainEnum.BSC_TFC.getPrivateKey(), ChainEnum.BSC_TFC.getContractAddress());

    private final String ETH_PREFIX = "0x";

    private ChainService() {
    }

    public final static ChainService INSTANCE = new ChainService();

    public static ContractChainService getInstance(String chainType) {
        switch (chainType) {
            case "ETH" :
                return ETH;
            case "BSC_USDT" :
                return BSC;
            case "TRX" :
                return TRX;
            case "BSC_TFC":
                return BSC_TFC;
            default:
                break;
        }

        throw new FebsException("参数错误");
    }

    /**
     * 监听合约事件
     * @param startBlock 开始区块
     */
    public static void contractEventListener(BigInteger startBlock, ContractEventService event, String type) {
        ChainEnum chain = ChainEnum.getValueByName(type);
        assert chain != null;

        EthUsdtContract contract = contract(chain.getPrivateKey(), chain.getContractAddress(), chain.getUrl());
        EthFilter filter = getFilter(startBlock, chain.getContractAddress());

        contract.transferEventFlowable(filter).subscribe(e -> {
            event.compile(e);
        }, error -> {
            log.error("--->", error);
        });
    }

    private static EthUsdtContract contract(String privateKey, String contractAddress, String url) {
        Credentials credentials = Credentials.create(privateKey);
        return EthUsdtContract.load(contractAddress, Web3j.build(new HttpService(url)), credentials, new StaticGasProvider(BigInteger.valueOf(4500000L), BigInteger.valueOf(200000L)));
    }

    // 18097238  18098663
    private static EthFilter getFilter(BigInteger startBlock, String contractAddress) {
        DefaultBlockParameter parameterName = null;
        if (startBlock != null) {
            parameterName = new DefaultBlockParameterNumber(startBlock);
        } else {
            parameterName = DefaultBlockParameterName.EARLIEST;
        }

//        return new EthFilter(parameterName, DefaultBlockParameterName.LATEST, contractAddress);
        return new EthFilter(parameterName, new DefaultBlockParameterNumber(new BigInteger("18098663")), contractAddress);
    }

    public static void main(String[] args) {
        ChainEnum chain = ChainEnum.getValueByName(ChainEnum.BSC_TFC.name());
        assert chain != null;

        EthUsdtContract contract = contract(chain.getPrivateKey(), chain.getContractAddress(), chain.getUrl());
        EthFilter filter = getFilter(new BigInteger("18097238"), new BigInteger("18098663"), chain.getContractAddress());

        contract.transferEventFlowable(filter).subscribe(e -> {
            System.out.println(1);
        }, error -> {
            log.error("--->", error);
        });
    }

    private static EthFilter getFilter(BigInteger startBlock, BigInteger endBlock, String contractAddress) {
        DefaultBlockParameter parameterName = null;
        if (startBlock != null) {
            parameterName = new DefaultBlockParameterNumber(startBlock);
        } else {
            parameterName = DefaultBlockParameterName.EARLIEST;
        }

        return new EthFilter(parameterName, new DefaultBlockParameterNumber(endBlock), contractAddress);
    }

}