package com.ard.tianyu.netty.handler;// MessageProtocolDecoder.java

import com.ard.tianyu.netty.command.*;
import com.ard.tianyu.netty.command.camera.CameraModeReplyCmd;
import com.ard.tianyu.netty.command.camera.CapturePicReplyCmd;
import com.ard.tianyu.netty.command.camera.RecordStartReplyCmd;
import com.ard.tianyu.netty.command.camera.RecordStopReplyCmd;
import com.ard.tianyu.netty.command.notice.BoxPowerStatusReplyCmd;
import com.ard.tianyu.netty.command.notice.FlyWayEndReplyCmd;
import com.ard.tianyu.netty.command.notice.UavReadyReplyCmd;
import com.ard.tianyu.netty.command.real.SignalInfoCmd;
import com.ard.tianyu.netty.command.real.UavStateCmd;
import com.ard.tianyu.netty.command.real.UavTelemetryDataCmd;
import com.ard.tianyu.netty.command.register.HeartbeatReplyCmd;
import com.ard.tianyu.netty.command.register.RegisterReplyCmd;
import com.ard.tianyu.netty.command.register.UavInitReplyCmd;
import com.ard.tianyu.netty.protobuf.TelemetryDataPB;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.ByteToMessageDecoder;
import lombok.extern.slf4j.Slf4j;

import java.util.List;

@Slf4j
public class MessageProtocolDecoder extends ByteToMessageDecoder {
    @Override
    protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
        // 检查可读字节数是否足够
        if (in.readableBytes() < 4) {
            return; // 不足以读取头部
        }

        in.markReaderIndex(); // 标记当前读取位置
        short dataHead = in.readShort();
        if (dataHead != 0x6A77) {
            return;
        }
        short dataLength = in.readShort();

        if (in.readableBytes() < dataLength) {
            in.resetReaderIndex(); // 如果不足，重置读取位置
            return;
        }
        byte cmdCode = in.readByte();
        BaseCmd baseCmd = null;
        switch (cmdCode) {
            case 0x01:
                byte success = in.readByte(); // 读取是否成功
                log.warn("注册回复: {}", success == 0x01 ? "成功" : "失败");
                baseCmd = new RegisterReplyCmd(success);
                break;
            case 0x02:
                long timestamp = in.readLong(); // 读取时间戳
                baseCmd = new HeartbeatReplyCmd(timestamp);
                log.debug("心跳回复: 时间戳 {}", timestamp);
                break;
            case 0x03:
            case 0x04:
                break;
            case 0x0A:
                byte status = in.readByte();
                baseCmd = new BoxPowerStatusReplyCmd(status);
                log.debug("云盒开机/关机通知回复: 状态 {}", String.format("0x%02X", status & 0xFF));
                break;
            case (byte) 0xA8:
                byte[] uavStatus = new byte[dataLength - 1];
                in.readBytes(uavStatus);  // 读取 ProtoBuf 数据
                TelemetryDataPB.UavState uavState = TelemetryDataPB.UavState.parseFrom(uavStatus);
                baseCmd = new UavStateCmd(uavState);
                log.debug("无人机状态数据： {}", uavState.getBoxSn());
                break;
            case (byte) 0xA9:
                byte[] uavData = new byte[dataLength - 1];
                in.readBytes(uavData);
                TelemetryDataPB.TelemetryData telemetryData = TelemetryDataPB.TelemetryData.parseFrom(uavData);
                baseCmd = new UavTelemetryDataCmd(telemetryData);
                log.debug("遥测数据： {}", telemetryData.getBoxSn());
                break;
            case (byte) 0x0C:
                int delayTime = in.readInt();
                uavData = new byte[15];
                in.readBytes(uavData);
                //  String boxSn12 = new String(uavData);
                uavData = new byte[dataLength - 20];
                in.readBytes(uavData);
                TelemetryDataPB.SignalInfo signalInfo = TelemetryDataPB.SignalInfo.parseFrom(uavData);
                baseCmd = new SignalInfoCmd(signalInfo);
                log.debug("信道质量数据： {}", delayTime);
                break;
            case (byte) 0xD1:
                byte encryptionFlag = in.readByte();
                byte actionCode = in.readByte();
                switch (actionCode) {
                    case 0x22:
                        byte result = in.readByte();
                        int errorCode = in.readInt();
                        uavData = new byte[15];
                        in.readBytes(uavData);
                        String boxSn = new String(uavData);
                        baseCmd = new CameraModeReplyCmd(boxSn, result, errorCode);
                        log.debug("设置相机模式回复: {}", boxSn);
                        break;
                    case 0x23:
                        result = in.readByte();
                        errorCode = in.readInt();
                        uavData = new byte[15];
                        in.readBytes(uavData);
                        boxSn = new String(uavData);
                        baseCmd = new CapturePicReplyCmd(boxSn, result, errorCode);
                        log.debug("拍照回复: {}", boxSn);
                        break;
                    case 0x24:
                        result = in.readByte();
                        errorCode = in.readInt();
                        uavData = new byte[15];
                        in.readBytes(uavData);
                        boxSn = new String(uavData);
                        baseCmd = new RecordStartReplyCmd(boxSn, result, errorCode);
                        log.debug("开始录像回复: {}", boxSn);
                        break;
                    case 0x25:
                        result = in.readByte();
                        errorCode = in.readInt();
                        uavData = new byte[15];
                        in.readBytes(uavData);
                        boxSn = new String(uavData);
                        baseCmd = new RecordStopReplyCmd(boxSn, result, errorCode);
                        log.debug("停止录像回复: {}", boxSn);
                        break;
                    case 0x2E:
                        result = in.readByte();
                        errorCode = in.readInt();
                        uavData = new byte[15];
                        in.readBytes(uavData);
                        boxSn = new String(uavData);
                        baseCmd = new FlyWayEndReplyCmd(boxSn, result, errorCode);
                        log.debug("航线结束通知回复: {}", boxSn);
                        break;
                    case 0x3D:
                        byte batteryPower = in.readByte();
                        double longitude = in.readDouble();
                        double latitude = in.readDouble();
                        int altitude = in.readInt();
                        uavData = new byte[dataLength - 24];
                        in.readBytes(uavData);
                        boxSn = new String(uavData);
                        baseCmd = new UavReadyReplyCmd(boxSn, batteryPower, longitude, latitude, altitude);
                        log.debug("无人机准备完成通知回复: 电池电量 {}", String.format("0x%02X", batteryPower & 0xFF));
                        break;
                    case 0x42:
                        byte[] uavData1 = new byte[dataLength - 18];
                        in.readBytes(uavData1);
                        byte[] uavData2 = new byte[15];
                        in.readBytes(uavData2);
                        boxSn = new String(uavData2);
                        TelemetryDataPB.UavInitInfo uavInitInfo = TelemetryDataPB.UavInitInfo.parseFrom(uavData1);
                        baseCmd = new UavInitReplyCmd(boxSn, uavInitInfo);
                        log.debug("无人机初始化数据： {}", boxSn);
                        break;
                    default:
                        log.warn("无法识别的命令码动作编号：{}", String.format("0x%02X", actionCode & 0xFF));
                        break;
                }
                break;
            default:
                encryptionFlag = in.readByte();
                actionCode = in.readByte();
                log.warn("无法识别的命令码: {},加密标志：{},动作编号：{}",
                        String.format("0x%02X", cmdCode & 0xFF),
                        String.format("0x%02X", encryptionFlag & 0xFF),
                        String.format("0x%02X", actionCode & 0xFF));//String.format("0x%02X", cmdCode & 0xFF)

        }
        if (baseCmd != null) {
            out.add(baseCmd);
        }
    }
}