package com.zy.acs.gateway.domain;

import com.core.common.Cools;
import com.zy.acs.gateway.constant.AgvConstant;
import com.zy.acs.gateway.constant.PacErrorType;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufUtil;

import java.util.Objects;

/**
 * AGV报文模型
 * Created by vincent on 2023/3/10
 */
public class AgvPackage implements PackageSupport {

    /**
     * 源数据包缓冲区(引用)
     */
    private ByteBuf sourceBuff;

    /**
     * 原始消息对应的16进制字符串
     */
    private String sourceHexStr;

    /**
     * 消息头部
     */
    private PacHeader header;

    /**
     * 消息体
     */
    private PacBody body;

    /**
     * 消息的校正码
     */
    private int validCode;

    /**
     * 是否为校验异常包
     */
    private boolean errorPac;

    /**
     * 校验异常类型
     */
    private PacErrorType pacErrorType;

    public static AgvPackage valueOfEmpty() {
        AgvPackage agvPackage = new AgvPackage();
        agvPackage.setHeader(new PacHeader())
                .setBody(new PacBody())
                .setValidCode((short) 0)
                .setErrorPac(false);
        return agvPackage;
    }

    public String toLogString() {
        StringBuilder pacSb = new StringBuilder();
        pacSb.append("AGV(").append(getHeader().getUniqueNo()).append(")")
            .append("上传")
            .append("[").append(getHeader().getProtocolType().getDes()).append("]消息.")
            .append("原始消息[").append(getSourceHexStr()).append("]");
        return pacSb.toString();
    }

    public ByteBuf getSourceBuff() {
        // 因为处理buffer时，总是希望拿到一个重置了readerIndex的buf
        if (Objects.nonNull(this.sourceBuff)) {
            this.sourceBuff.resetReaderIndex();
        }
        return this.sourceBuff;
    }

    public AgvPackage setSourceBuff(ByteBuf sourceBuff) {
        this.sourceBuff = sourceBuff;
        if (Cools.isEmpty(this.sourceHexStr)) {
            this.sourceBuff.resetReaderIndex();
            this.sourceHexStr = ByteBufUtil.hexDump(this.sourceBuff).toUpperCase();
            this.sourceBuff.resetReaderIndex();
        }
        return this;
    }

    public PacHeader getHeader() {
        return header;
    }

    public AgvPackage setHeader(PacHeader header) {
        this.header = header;
        return this;
    }

    public PacBody getBody() {
        return body;
    }

    public AgvPackage setBody(PacBody body) {
        this.body = body;
        return this;
    }

    public int getValidCode() {
        return validCode;
    }

    public AgvPackage setValidCode(int validCode) {
        this.validCode = validCode;
        return this;
    }

    public boolean isErrorPac() {
        return errorPac;
    }

    public AgvPackage setErrorPac(boolean errorPac) {
        this.errorPac = errorPac;
        return this;
    }

    public String getSourceHexStr() {
        return sourceHexStr;
    }

    public AgvPackage setSourceHexStr(String sourceHexStr) {
        this.sourceHexStr = sourceHexStr;
        return this;
    }

    public PacErrorType getPacErrorType() {
        return pacErrorType;
    }

    public AgvPackage setPacErrorType(PacErrorType pacErrorType) {
        this.pacErrorType = pacErrorType;
        return this;
    }

    public ByteBuf convert(ByteBuf byteBuf){
        byteBuf.writeByte(this.getHeader().getStartSymbol())
                .writeShort(this.getHeader().getContentLength())
                .writeByte(this.getHeader().getProtocolType().getCode())
                .writeBytes(this.getHeader().getUniqueNo().getBytes(AgvConstant.CHARSET_GBK))
                .writeByte(this.getHeader().getEncryptType().getCode())
                .writeBytes(this.getBody().getContent())
                .writeByte(this.getValidCode());
        // 计算并设置校验码
//        this.setValidCode(ValidUtil.caculateValidByteFromBuff(byteBuf));
        byteBuf.resetReaderIndex();
        byteBuf.writerIndex(byteBuf.readableBytes() - 1).writeByte(this.getValidCode());
        return byteBuf;
    }

}