package com.dy.rtuMw.server.upgrade;

import com.alibaba.fastjson2.annotation.JSONField;
import com.dy.common.softUpgrade.parse.HexFileParse;
import com.dy.common.softUpgrade.state.UpgradeRtu;
import com.dy.common.softUpgrade.state.UpgradeState;
import com.dy.common.softUpgrade.state.UpgradeTaskVo;
import com.dy.common.util.Callback;
import com.dy.common.util.DateTime;
import lombok.Data;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicBoolean;

/**
 * @Author: liurunyu
 * @Date: 2024/11/4 14:52
 * @Description
 */
@Data
public class UpgradeTask {

    private static final Logger log = LogManager.getLogger(UpgradeTask.class.getName());

    protected static final String TaskOverType_Natural = "自然" ;
    protected static final String TaskOverType_Force = "强制" ;

    @JSONField(serialize = false)
    protected Integer failTryTimes ;//升级失败后，重新偿试升级次数，0表示不重新偿试升级
    @JSONField(serialize = false)
    protected Integer ugMaxRtuSameTime ;//同时升级RTU最大个数

    public String setupDt ;//设置时间(yyyy-mm-dd HH:MM:SS)
    @JSONField(serialize = false)
    private Long setupDtLong ;//设置时间

    public UpgradeTaskVo taskVo ;//升级任务值对象

    @JSONField(serialize = false)
    protected byte[][] softFileDataGrp ;//以512字节为单位把升级程序数据分组

    @JSONField(serialize = false)
    protected ConcurrentHashMap<String, UpgradeRtu> upgradeRtus;//升级状态

    public boolean taskIsOver = false ;//任务是否完成
    public String taskOverType = "" ;//任务完成方式（自然，强制）
    public String taskOverDt = "" ;//任务完成时间(yyyy-mm-dd HH:MM:SS)

    ///////////////////////////////////////////////////
    //以下内部控制用
    @JSONField(serialize = false)
    private int curUgRunningRtuTotal = 0 ;//当前正在升级的RTU个数

    public UpgradeTask() {
        this.curUgRunningRtuTotal = 0 ;
    }
    /**
     *  初始化配置信息
     */
    public void initOption(Integer failTryTimes, Integer ugMaxRtuSameTime) {
        this.failTryTimes = failTryTimes;
        this.ugMaxRtuSameTime = ugMaxRtuSameTime;
    }
    /**
     * 设置升级任务
     * @param taskVo UpgradeTaskVo 升级任务对象
     * @throws Exception
     */
    public void setTask(UpgradeTaskVo taskVo) throws Exception {
        if(taskVo.id == null || taskVo.id.trim().length() == 0){
            throw new Exception("升级任务id必须提供") ;
        }
       if(taskVo.softFileName == null || taskVo.softFileName.trim().length() == 0){
            throw new Exception("升级软件（hex）文件名称必须提供") ;
        }
        if(taskVo.softStoreAddr == null || taskVo.softStoreAddr.trim().length() != 8){
            throw new Exception("升级程序存放地址不合法，必须是8字符（十六进制）的字符串") ;
        }
        if(taskVo.softStartAddr == null || taskVo.softStartAddr.trim().length() != 8){
            throw new Exception("程序覆盖起始地址不合法，必须是8字符（十六进制）的字符串") ;
        }
        if(taskVo.softFileData64 == null || taskVo.softFileData64.trim().length() == 0){
            throw new Exception("升级程序内容必须提供") ;
        }
        if(taskVo.softBytesCalculate == null){
            throw new Exception("公式计算升级程序有效序字节数必须提供") ;
        }
       if(taskVo.softByteSrc16 == null){
            throw new Exception("有效升级程序字节数CRC16校验值必须提供") ;
        }
        if(taskVo.rtuAddrList == null || taskVo.rtuAddrList.size() <= 0){
            throw new Exception("升级设备RTU地址必须提供") ;
        }
        if(taskVo.callbackWebUrl == null || taskVo.callbackWebUrl.trim().equals("")){
            throw new Exception("回调网址必须提供") ;
        }
        this.setupDt = DateTime.yyyy_MM_dd_HH_mm_ss() ;
        this.setupDtLong = System.currentTimeMillis() ;
        this.taskVo = taskVo ;

        this.upgradeRtus = new ConcurrentHashMap<>();
        if(taskVo.softFileData64 != null && !taskVo.softFileData64.trim().equals("")){
            taskVo.softFileData = Base64.getDecoder().decode(taskVo.softFileData64);
            List<byte[]> listBytes = new HexFileParse().splitBytesByUnit512(taskVo.softFileData);
            this.softFileDataGrp = listBytes.toArray(new byte[0][]);
            try{
                for(String rtuAddr : this.taskVo.rtuAddrList){
                    //此时状态设置成离线状态
                    UpgradeRtuDev ugRtu = new UpgradeRtuDev(this.taskVo, this.failTryTimes, rtuAddr, this.softFileDataGrp.length, UpgradeRtuDev.STATE_OFFLINE) ;
                    this.upgradeRtus.put(rtuAddr, ugRtu) ;
                }
            }catch (Exception e){
                log.error(e);
            }
        }
    }
    /**
     * RTU有上行数据了，触发下发升级数据
     * @param rtuAddr
     * @param code
     * @param callbackCom
     */
    public void trigger(String rtuAddr, String code, String protocolName, Short protocolVersion, Callback callbackCom){
        if(this.upgradeRtus != null && this.upgradeRtus.size() > 0
                && this.taskVo.rtuAddrList != null && this.taskVo.rtuAddrList.size() > 0){
            UpgradeRtu ugRtu = this.upgradeRtus.get(rtuAddr) ;
            if(ugRtu == null){
                //根据方法setTask的逻辑，只要RTU在升级之列，此处ugRtuState一定不为null
                //为保险，实现下面逻辑
                if(taskVo.rtuAddrList.contains(rtuAddr)){
                    ugRtu = new UpgradeRtuDev(this.taskVo, this.failTryTimes, rtuAddr, this.taskVo.softFileData.length) ;
                    upgradeRtus.put(rtuAddr, ugRtu) ;
                }else{
                    //rtu不在升级之列
                    return ;
                }
            }
            if(ugRtu != null){
                if(ugRtu.isOver){
                    //当前RTU已经升级完成，无需再升级
                    return;
                }else{
                    if(UpgradeUnit.confVo.ugMaxRtuAtOnce > 0){
                        //设置了同时升级的RTU最大数量的限制
                        if(ugRtu.state == UpgradeRtuDev.STATE_OFFLINE){
                            //初始态，说明升级任务设置以来，该RTU第一次上行数据
                            if(this.curUgRunningRtuTotal <= UpgradeUnit.confVo.ugMaxRtuAtOnce){
                                //当前正在升级的RTU数量还未受限
                                ugRtu.trigger(code, protocolName, protocolVersion, this.softFileDataGrp, callbackCom) ;
                            }else{
                                //同时升级的RTU数量受限，等待下次机会
                                //但先表明一下状态
                                ugRtu.state = UpgradeRtuDev.STATE_UNSTART ;
                                return ;
                            }
                        }else if(ugRtu.state == UpgradeRtuDev.STATE_UNSTART){
                            //根据上面逻辑， 说明必然在线了
                            if(this.curUgRunningRtuTotal <= UpgradeUnit.confVo.ugMaxRtuAtOnce){
                                //当前正在升级的RTU数量还未受限
                                ugRtu.trigger(code, protocolName, protocolVersion, this.softFileDataGrp, callbackCom) ;
                            }else{
                                //同时升级的RTU数量受限，等待下次机会
                                return ;
                            }
                        }else{
                            //RTU已经处于升级过程中
                            ugRtu.trigger(code, protocolName, protocolVersion, this.softFileDataGrp, callbackCom) ;
                        }
                    }else{
                        //没有设置同时升级的RTU最大数量的限制
                         ugRtu.trigger(code, protocolName, protocolVersion, this.softFileDataGrp, callbackCom) ;
                    }
                }
            }else{
                //rtu不在升级之列
                return ;
            }
        }
    }

    /**
     * 强制结束升级任务
     */
    public void forceOver(){
        if(!this.taskIsOver){
            this.taskIsOver = true ;//强制设置任务完成
            this.taskOverType = TaskOverType_Force ;//任务完成方式（自然，强制）
            this.taskOverDt = DateTime.yyyy_MM_dd_HH_mm_ss() ;//任务完成时间(yyyy-mm-dd HH:MM:SS)
            //this.taskVo.rtuAddrList.clear();
            //this.upgradeState.clear();
        }
    }

    /**
     * 当前升级状态
     * @return
     */
    public UpgradeState currentUpgradeState() {
        UpgradeState state = new UpgradeState() ;
        if(this.taskVo.rtuAddrList != null && this.taskVo.rtuAddrList.size() > 0){
            state.rtuTotal = this.taskVo.rtuAddrList.size() ;
            if(this.upgradeRtus != null && this.upgradeRtus.size() > 0){
                AtomicBoolean hasRunning = new AtomicBoolean(false);
                this.upgradeRtus.values().stream().forEach(info ->{
                    if(info.state == UpgradeRtu.STATE_OFFLINE){
                        state.offLineTotal ++ ;
                    }else if(info.state == UpgradeRtu.STATE_UNSTART){
                        state.unStartTotal ++ ;
                    }else if(info.state == UpgradeRtu.STATE_RUNNING){
                        state.runningTotal ++ ;
                    }else if(info.state == UpgradeRtu.STATE_SUCCESS) {
                        state.successTotal++;
                    }else if(info.state == UpgradeRtu.STATE_FAIL) {
                        state.failTotal++;
                    }else if(info.state == UpgradeRtu.STATE_FAILONE) {
                        state.failOneTotal++;
                        state.failTotal++;
                    }else if(info.state == UpgradeRtu.STATE_FAILOFFLINE) {
                        state.failTotal++;
                        state.failOffTotal++;
                    }
                    if(info.isOver){
                        state.overTotal++;
                    }else{
                        hasRunning.set(true);
                    }
                });
                if(!hasRunning.get()){
                    state.allOver = true ;
                }else{
                    state.allOver = false ;
                }
            }
        }
        return state ;
    }

    /**
     * Rtu升级信息
     * @param rtuAddr
     * @return
    */
    public UpgradeRtu upgradeInfos(String rtuAddr){
        return this.upgradeRtus.get(rtuAddr) ;
    }

    /**
     * 一些Rtu升级信息
     * @param rtuAddrList
     * @return
     */
    public List<UpgradeRtu> upgradeInfos(List<String> rtuAddrList){
        List<UpgradeRtu> list = new ArrayList<>() ;
        for(String rtuAddr : rtuAddrList){
            UpgradeRtu info = this.upgradeRtus.get(rtuAddr) ;
            if(info != null){
                list.add(info) ;
            }
        }
        return list ;
    }
    /**
     * 全部Rtu升级信息
     * @return
     */
    public List<UpgradeRtu> upgradeInfoAll(){
        if(this.upgradeRtus != null && this.upgradeRtus.size() > 0){
            return this.upgradeRtus.values().stream().toList();
        }else{
            return null ;
        }
    }

    ///////////////////////////////////////////////////////////
    //以下方法为内部服务，不对外提供服务
    ///////////////////////////////////////////////////////////

    /**
     * 判断是否没用任何一个RTU进行过升级，而且超过了时限
     * @return -1:无一RTU升级且超时，0：无RTU升级但未超时等待，1有RTU升级正常执行
     */
    protected int countNoOneRtuUpgradeInDuration(){
        if(this.upgradeRtus == null || upgradeRtus.size() == 0){
            //当前没有任何一个设备进行过升级
            Long now = System.currentTimeMillis() ;
            if(now - this.setupDtLong > UpgradeUnit.confVo.noOneRtuUpgradeMaxDuration){
                return -1 ;
            }
        }else{
            Collection<UpgradeRtu> col = this.upgradeRtus.values() ;
            for(UpgradeRtu info : col){
                if(info.currentPackage > 0){
                    //当前有设备进行过升级
                    return 1 ;
                }
            }
            Long now = System.currentTimeMillis() ;
            if(now - this.setupDtLong > UpgradeUnit.confVo.noOneRtuUpgradeMaxDuration){
                return -1 ;
            }
        }
        return 0 ;
    }

    /**
     * 统计当前正在升级的RTU数量，为同时升级数量限制做准备
     */
    protected void countRunningRtuCount(){
        int runningTotal = 0 ;
        Collection<UpgradeRtu> col = this.upgradeRtus.values() ;
        for(UpgradeRtu info : col){
            if(info.state == UpgradeRtu.STATE_RUNNING){
                runningTotal ++ ;
            }
        }
        this.curUgRunningRtuTotal = runningTotal ;
    }

    /**
     * 统计需要升级但当前离线RTU的情况，超过时限的设备为升级完成
     */
    protected void countOffRtuAndSetIfOver() {
        Long now = System.currentTimeMillis() ;
        if(now - this.setupDtLong > UpgradeUnit.confVo.rtuOffLineWaitDuration){
            //rtu离线，等待其升级的时长(毫秒)，超过配置的最大时长，设置其升级失败，且设置升级任务完成
            if (this.taskVo.rtuAddrList != null && this.taskVo.rtuAddrList.size() > 0) {
                Collection<UpgradeRtu> col = this.upgradeRtus.values() ;
                for(UpgradeRtu info : col){
                    if(info.state == UpgradeRtu.STATE_OFFLINE){
                        info.isOver = true ;
                        info.state = UpgradeRtu.STATE_FAILOFFLINE ;
                    }
                }
            }
        }
    }

    /**
     * 统计是否升级全部结束
     */
    protected boolean countIsAllOver() {
        if (this.taskVo.rtuAddrList != null && this.taskVo.rtuAddrList.size() > 0) {
            Collection<UpgradeRtu> col = this.upgradeRtus.values() ;
            for(UpgradeRtu info : col){
                if(info.isOver == false){
                    return false ;
                }
            }
        }
        return true ;
    }
}