package cc.mrbird.febs.dapp.chain;

import cc.mrbird.febs.common.exception.FebsException;
import cn.hutool.core.lang.func.Func1;
import cn.hutool.core.util.StrUtil;
import cn.hutool.http.HttpUtil;
import com.alibaba.fastjson.JSONObject;
import io.reactivex.Flowable;
import io.reactivex.Observable;
import io.reactivex.disposables.Disposable;
import io.reactivex.functions.Function;
import io.reactivex.schedulers.Schedulers;
import lombok.extern.slf4j.Slf4j;
import org.reactivestreams.Publisher;
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.io.IOException;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.rmi.activation.UnknownObjectException;
import java.time.Duration;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;

/**
 * @author
 * @date 2022-03-23
 **/
@Slf4j
public class ChainService {
    private final static Map<String, ContractChainService> contractMap = new HashMap<>();

    static {
        for (ChainEnum chain : ChainEnum.values()) {
            if ("TRX".equals(chain.getChain())) {
                contractMap.put(chain.name(), new TrxService(chain.getAddress(), chain.getPrivateKey(), chain.getContractAddress(), chain.getApiKey()));
            } else {
                contractMap.put(chain.name(), new EthService(chain.getUrl(), chain.getAddress(), chain.getPrivateKey(), chain.getContractAddress()));
            }
        }
    }

    private ChainService() {
    }

    public final static ChainService INSTANCE = new ChainService();

    public static ContractChainService getInstance(String chainType) {
        ContractChainService contract = contractMap.get(chainType);
        if (contract == null) {
            throw new FebsException("参数错误");
        }

        return contract;
    }

    /**
     * 监听合约事件
     * @param startBlock 开始区块
     */
    public static void contractEventListener(BigInteger startBlock, ContractEventService event, String type) {
        contractEventListener(startBlock, null, event, type);
    }

    public static void contractEventListener(BigInteger startBlock, BigInteger endBlock, 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, endBlock, chain.getContractAddress());

        Flowable<EthUsdtContract.TransferEventResponse> eventFlowable = contract.transferEventFlowable(filter);
        eventFlowable.subscribe(e -> {
            event.compile(e);
        }, error -> {
            log.error("合约监听启动报错", error);
        });
    }

//    public static void coinRewardEventListener(BigInteger startBlock, BigInteger endBlock, 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, endBlock, chain.getContractAddress());
//
//        Flowable<EthUsdtContract.CoinRewardEventResponse> eventFlowable = contract.coinRewardEventFlowable(filter);
//        eventFlowable.subscribe(e -> {
//            event.coinReward(e);
//        }, error -> {
//            log.error("合约监听启动报错", error);
//        });
//    }

    public static void coinRewardEventListener(BigInteger startBlock, BigInteger endBlock, 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, endBlock, chain.getContractAddress());

        Flowable<EthUsdtContract.CoinRewardEventResponse> eventFlowable = contract.coinRewardEventFlowable(filter)
                .doOnError(throwable ->
                        log.error("合约事件监听发生错误: " + throwable.getMessage(), throwable)) // 更具体的错误日志记录
                .subscribeOn(Schedulers.io()); // 指定subscribe操作在IO线程中执行，避免阻塞主线程

        eventFlowable.subscribe(
                e -> {
                    try {
                        event.coinReward(e); // 处理事件
                    } catch (Exception ex) {
                        // 处理事件时可能出现的异常
                        log.error("处理合约事件时出错", ex);
                    }
                },
                Throwable::printStackTrace, // 打印错误堆栈，或者可以替换为更具体的错误处理逻辑
                () -> log.info("合约事件监听已完成") // 在Flowable完成时执行的逻辑，如记录日志等
        );

    }


    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)));
    }

    private static EthFilter getFilter(BigInteger startBlock, String contractAddress) {
        return getFilter(startBlock, null, contractAddress);
    }

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

        if (endBlock != null) {
            endParameterName = new DefaultBlockParameterNumber(endBlock);
        } else {
            endParameterName = DefaultBlockParameterName.LATEST;
        }

        return new EthFilter(startParameterName, endParameterName, contractAddress);
    }

    /**
     * --todo 替换
     * @param args
     */
    public static void main(String[] args) {
        /**
         * 替换两个合约的地址
         */
        String contractAddress = ChainEnum.BSC_USDT.getContractAddress();
        String contractAddress1 = ChainEnum.BSC_GFA.getContractAddress();

        /**
         * 滑点接收钱包
         * GiveMeMoneyJob
         *      mineJob
         *          address参数
         */
        BigDecimal coinCnt = ChainService.getInstance(ChainEnum.BSC_GFA.name()).balanceOf("0xF6b06A30196aA5E318232a3b61319eab0FD4A3bF").setScale(8,BigDecimal.ROUND_DOWN);
        BigDecimal coinPrice = ChainService.getInstance(ChainEnum.BSC_GFA.name()).getPrice("0xF6b06A30196aA5E318232a3b61319eab0FD4A3bF").setScale(8,BigDecimal.ROUND_DOWN);

        /**
         * 批量转账的钱包地址
         *     注意钱包地址和私钥一起替换
         */

        String address = ChainEnum.BSC_USDT.getAddress();
        String address1 = ChainEnum.BSC_GFA.getAddress();
    }

}