package com.sandu.ximon.admin.manager.iot.frame.inner.request;

import cn.hutool.core.util.HexUtil;
import com.sandu.ximon.admin.manager.iot.frame.inner.IRequestInnerFrame;
import com.sandu.ximon.admin.manager.iot.rrpc.enums.C3ChargingEnum;
import com.sandu.ximon.admin.manager.iot.rrpc.enums.MQTTConnectTypeEnum;
import com.sandu.ximon.admin.manager.iot.rrpc.util.CRC32Utils;
import com.sandu.ximon.admin.manager.iot.rrpc.util.SupplementUtils;

import java.text.DecimalFormat;

/**
 * @author ZZQ
 * @date 2022/3/3 16:43
 */
public class C3StartChargingReqInnerFrame implements IRequestInnerFrame {
    private final String payload;

    public C3StartChargingReqInnerFrame(String c3Mac, Integer chargingCapacity, Double chargeAmount) {
        String destinationAddress = c3Mac;

        payload = destinationAddress + SupplementUtils.suppleZero(HexUtil.toHex(chargingCapacity), 4
        ) + SupplementUtils.suppleZero(HexUtil.toHex(parseVal(chargeAmount)), 4
        );
    }

    @Override
    public String getEncodeFrame() {
        String functionCode = C3ChargingEnum.StartCharging.getCode();
        String payloadLength = "0008";
        String frame = functionCode + payloadLength + payload;
        return MQTTConnectTypeEnum.SYNCHRONIZATION.getCode() + frame.toUpperCase() + CRC32Utils.getCRC32(frame.toUpperCase());
    }

    private static Integer parseVal(Double totalAmount) {
        double v = Double.parseDouble(new DecimalFormat("#.0").format(totalAmount)) * 10;
        String str = v + "";
        str = str.substring(0, str.indexOf("."));
        return Integer.parseInt(str);
    }


}