package com.cbsd.client.parse;

import com.cbsd.client.parse.IParseDataInterface;

public class DigitalParser implements IParseDataInterface {
    @Override
    public String parsePhysicalFromData(int sn, byte[] sourceData, byte[] fieldData, String endian, String binStr) {

        StringBuilder result = new StringBuilder();
        if (fieldData.length == 1) {
            byte b = fieldData[0];
            String binary = byteToBinary(b);
            for (int i = 0; i < binary.length(); i++) {
                result.append("通道-");
                result.append(i);
                if (binary.charAt(i) == '1') {
                    result.append(" 高电平");
                } else {
                    result.append(" 低电平");
                }
                result.append(",");
            }
			result.deleteCharAt(result.lastIndexOf(","));
        }
        return result.toString();
    }

    @Override
    public String comment() {
        return "数字信号解析";
    }

    /**
     * 将byte转换为8位二进制字符串
     *
     * @param b 要转换的byte值
     * @return 8位二进制字符串
     */
    public static String byteToBinary(byte b) {
        // 将byte转换为无符号整数，避免符号位扩展
        int unsignedByte = b & 0xFF;
        // 转换为二进制字符串
        String binary = Integer.toBinaryString(unsignedByte);
        // 确保结果是8位，不足的在前面补0
        while (binary.length() < 8) {
            binary = "0" + binary;
        }
        return binary;
    }
}