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

import com.sandu.ximon.admin.manager.iot.frame.inner.IRequestInnerFrame;
import com.sandu.ximon.admin.manager.iot.rrpc.enums.MQTTConnectTypeEnum;
import com.sandu.ximon.admin.manager.iot.rrpc.enums.RemoteUpdateEnum;
import com.sandu.ximon.admin.manager.iot.rrpc.util.CRC32Utils;
import com.sandu.ximon.admin.manager.iot.rrpc.util.SupplementUtils;

/**
 * @author ZZQ
 * @date 2022/5/5 11:28
 */
public class RemoteSendFileReqInnerFrame implements IRequestInnerFrame {


    private String payload;

    /**
     * @param fileTotalSize  升级文件总大小
     * @param frameTotalSize 总帧数
     * @param frameSize      单帧数据
     */
    public RemoteSendFileReqInnerFrame(int fileTotalSize, int frameTotalSize, int frameSize, String fileHexStr) {
        payload = SupplementUtils.suppleZero(Integer.toHexString(fileTotalSize).toUpperCase(), 8)
                + SupplementUtils.suppleZero(Integer.toHexString(frameTotalSize).toUpperCase(), 4)
                + SupplementUtils.suppleZero(Integer.toHexString(frameSize).toUpperCase(), 4) +
                CRC32Utils.getCRC32(fileHexStr.toUpperCase());

    }

    @Override
    public String getEncodeFrame() {
        String functionCode = RemoteUpdateEnum.UpdateFileInfo.getCode();
        String payloadLength = SupplementUtils.suppleZero(Integer.toHexString((payload.length() / 2)).toUpperCase(), 4);
        String frame = functionCode + payloadLength + payload;
        return MQTTConnectTypeEnum.SYNCHRONIZATION.getCode() + frame.toUpperCase() + CRC32Utils.getCRC32(frame.toUpperCase());
    }
}