package jiexi;



public class Dell55AA02Parser {
	private static final int SYNC_STATUS_START = 12;  // 同步状态起始位置(第5字节)
	private static final int PRESSURE_START = 14;     // 气压值起始位置(第6字节)
	private static final int MIN_MESSAGE_LENGTH = 22; // 最小有效数据长度

	// 重用StringBuilder减少内存分配
	private static final ThreadLocal<StringBuilder> hexDataBuilder = 
			ThreadLocal.withInitial(() -> new StringBuilder(64));

	/**
	 * 高效解析55AA02格式的基站数据
	 * @param message 接收到的数据（十六进制字符串）
	 */
	public static void parse(String message, String ip, int port) {
		// 1. 基础校验
		if (message == null || message.length() < MIN_MESSAGE_LENGTH) {
			return;
		}

		// 2. 解析标签ID (位置8-11, 小端序)
		char c8 = message.charAt(8);
		char c9 = message.charAt(9);
		char c10 = message.charAt(10);
		char c11 = message.charAt(11);

		// 直接构建baseId字符串
		String baseId = new String(new char[]{c10, c11, c8, c9});

		// 3. 解析同步状态（1字节）
		char syncStatusChar = message.charAt(SYNC_STATUS_START + 1);
		String syncStatus = (syncStatusChar == '0') ? "0" : "1";

		// 4. 高效解析气压值（4字节小端序）
		int pressure = 0;
		for (int i = 0; i < 8; i += 2) {
			int idx = PRESSURE_START + i;
			// 使用HexUtils的快速转换方法
			int byteValue = HexUtils.fastHexToByte(message.charAt(idx), message.charAt(idx + 1));
			pressure |= (byteValue << (i * 4)); // 小端合并
		}


		/*// 5. 更新基站数据
		if (MessageViewPanel.isWindowVisible) {
			StringBuilder sb = hexDataBuilder.get();
			sb.setLength(0);
			sb.append("55AA02 AnchorHeart,Anchorid:")
			.append(baseId)
			.append(",SyncStatus:")
			.append(syncStatus)
			.append(",Pressure:")
			.append(pressure);
			MessageViewPanel.showData(sb.toString(), ip, port, 0, "UDPA", "55AA02", baseId);
		}

		// 延迟创建时间字符串直到必要时刻
		String time = EfficientTimeFormatter.getCurrentTimeFormatted();

		// 使用预分配字符串常量减少内存分配
		Dell_BaseStation.updateBaseStationProperty(baseId, "ipAddress", ip);
		Dell_BaseStation.updateBaseStationProperty(baseId, "port", Integer.toString(port));
		Dell_BaseStation.updateBaseStationProperty(baseId, "status", "1");
		Dell_BaseStation.updateBaseStationProperty(baseId, "onlineTime", time);
		Dell_BaseStation.updateBaseStationProperty(baseId, "syncStatus", syncStatus);
		Dell_BaseStation.updateBaseStationProperty(baseId, "barometerReading", Integer.toString(pressure));*/
	}




}