package com.dy.aceMw.web.com;

import com.dy.aceMw.server.ServerProperties;
import com.dy.aceMw.server.forTcp.TcpSessionCache;
import com.dy.aceMw.server.local.CommandInnerDeaLer;
import com.dy.aceMw.server.local.ReturnCommand;
import com.dy.aceMw.server.tasks.RtuDownTask;
import com.dy.common.mw.core.CoreUnit;
import com.dy.common.mw.protocol.Command;
import com.dy.common.mw.protocol.CommandType;
import com.dy.common.webUtil.BaseResponse;
import com.dy.common.webUtil.BaseResponseUtils;
import lombok.extern.slf4j.Slf4j;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.*;


/**
 * @Author liurunyu
 * @Date 2023/12/21 13:58
 * @LastEditTime 2023/12/21 13:58
 * @Description 命令接收
 */
@Slf4j
@RestController
@RequestMapping(path="com")
@SuppressWarnings("unchecked")//java版本越高，对泛型约束越严，所以配置SuppressWarnings("unchecked")
public class CommandCtrl {

    @GetMapping(path = "test")
    public BaseResponse<String> test(){
        return BaseResponseUtils.buildSuccess("ok");
    }

    @PostMapping(path = "send", consumes = MediaType.APPLICATION_JSON_VALUE)
    public BaseResponse<Command> send(@RequestBody Command com) {
        log.info("收到web系统发来的命令：\n" + com.toString()) ;

        String commandType = com.getType() ;
        if(commandType == null){
            return BaseResponseUtils.buildError(ReturnCommand.errored("出错，收到命令的命令类型为空！", com.getId(), com.getCode()));
        }
        String commandId = com.getId() ;
        if(commandId == null){
            return BaseResponseUtils.buildError(ReturnCommand.errored("出错，收到命令的命令ID为空！",null, com.getCode()));
        }

        String code = com.getCode() ;
        if(code == null){
            return BaseResponseUtils.buildError(ReturnCommand.errored("出错，收到命令的命令功能码为空！", com.getId(), null));
        }

        if(commandType.equals(CommandType.innerCommand)){
            //通信中间件内部命令，例如查询监控中间件时钟，查询RTU在线情况等
            try{
                Command reCom = new CommandInnerDeaLer().deal(com) ;
                /*
                boolean error = false ;
                if(reCom.param != null && reCom.param != null){
                    CommandBackParam cbp = (CommandBackParam)reCom.param ;
                    if(cbp.getSuccess() != null && !cbp.getSuccess().booleanValue()){
                        error = true ;
                        return BaseResponseUtils.buildError(ReturnCommand.errored(cbp.getMessage(), com.getId(), null));
                    }
                }
                if(!error){
                    return BaseResponseUtils.buildError(ReturnCommand.errored(cbp.getMessage(), com.getId(), null));
                }
                */
                return BaseResponseUtils.buildSuccess(reCom);
            }catch(Exception e){
                return BaseResponseUtils.buildError(ReturnCommand.errored("处理内部命令出错" + (e.getMessage() == null?"":("，" + e.getMessage())), com.getId(), com.getCode()) );
            }

        }else if(commandType.equals(CommandType.outerCommand)){
            //发向RTU的外部命令，异步处理，web端jroups成员同步得到命令处理结果，但构造命令及下发命令和命令结果接收要异步得到
            try{
                return this.dealOuterCommand(com) ;
            }catch(Exception e){
                return BaseResponseUtils.buildError(ReturnCommand.errored("处理发向RTU的外部命令出错" + (e.getMessage() == null?"":("，" + e.getMessage())), com.getId(), com.getCode()) );
            }
        }else if(commandType.equals(CommandType.resultCommand)){
            return BaseResponseUtils.buildError(ReturnCommand.errored("出错，通信中间件不接结果类型的命令！", com.getId(), com.getCode()));
        }else{
            return BaseResponseUtils.buildError(ReturnCommand.errored("出错，收到命令的命令功能码为空！", com.getId(), com.getCode()));
        }
    }

    /**
     * 处理发向RTU的外部命令
     * @return 结果
     */
    private BaseResponse<Command> dealOuterCommand(Command command){
        String rtuAddr = command.getRtuAddr() ;
        if(rtuAddr == null || rtuAddr.trim().equals("")){
            return BaseResponseUtils.buildError(ReturnCommand.errored("出错，RTU地址为空！", command.getId(), command.getCode())) ;
        }
        rtuAddr = rtuAddr.trim() ;
        Boolean onLine = TcpSessionCache.isConnect(rtuAddr);
        if(onLine == null){
            return BaseResponseUtils.buildError(ReturnCommand.errored("出错，RTU（地址=" + rtuAddr + "）未上线！", command.getId(), command.getCode())) ;
        }else if(!onLine.booleanValue()){
            if(!ServerProperties.isLowPower){
                return BaseResponseUtils.buildError(ReturnCommand.errored("出错，RTU（地址=" + rtuAddr + "）离线！", command.getId(), command.getCode())) ;
            }
        }

        //生成异步任务
        RtuDownTask task = new RtuDownTask() ;
        task.data = command ;
        try{
            log.info("构造下发远程命令" + command.getCode() + "的核心任务，并放入任务队列中");
            CoreUnit.getInstance().pushCoreTask(task);
        }catch(Exception e){
            log.error(e.getMessage(), e);
            return BaseResponseUtils.buildError(ReturnCommand.successed("命令处理失败" + e.getMessage(), command.getId(), command.getCode())) ;
        }

        return BaseResponseUtils.buildSuccess(ReturnCommand.successed("命令已接受，即将构造并下发命令。", command.getId(), command.getCode()));
    }

}