using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

using Mesnac.Compressor.Entity;

namespace PLCManager
{
    public class PlcHandler
    {
        PlcOperation plc;
        public EventHandler Savedata;
        public PlcHandler()
        {
            plc = new PlcOperation();
        }

        /// <summary>
        ///// 保存历史数据
        ///// </summary>
        ///// <param name="sender"></param>
        ///// <param name="e"></param>
        //private void SavePlcData(object sender, ReadEventArgs e)
        //{
        //    //保存数据
        //    //获取要取的数据
        //    if (e.Data.ContainsKey(WorkStation.Instance.DataName))
        //    {
        //        var objectarray = (object[])e.Data[WorkStation.Instance.DataName];
        //        if (Savedata != null)
        //            Savedata(objectarray,null);
        //    }
        //}

        //返回数据
        public float[] ReadPLCPara(string block, int len)
        {
            return plc.ReadBlockToFloat(block,len);
        }


        /// <summary>
        /// 开始工作
        /// </summary>
        /// <param name="key"></param>
         public void startWork(string key)
         {
             plc.writePLCbybit(key,(int)PlcWriteByte.startwork,1,false);
         }

         /// <summary>
         /// 重投放行工作
         /// </summary>
         /// <param name="key"></param>
         public void RestartGO(string key)
         {
             plc.writePLCbybit(key, (int)PlcWriteByte.ReStartGo, 1, false);
         }

         /// <summary>
        /// NG放行
        /// </summary>
        /// <param name="key"></param>
         public void NGRelease(string key)
         {
             plc.writePLCbybit(key,(int)PlcWriteByte.NGGO,1,false);
         }

        
         /// <summary>
        /// 工作完成放行信号
        /// </summary>
        /// <param name="key"></param>
         public void OKRelease(string key)
         {
             plc.writePLCbybit(key,(int)PlcWriteByte.HaveWorked,1,false);
         }

        /// <summary>
        /// 条码扫描完成
        /// </summary>
        /// <param name="key"></param>
         public void HaveScan(string key)
         {
             plc.writePLCbybit(key,(int)PlcWriteByte.BarcodeScan,1,false);
         }

         public void BarcodeToPlc(int key,int num)
         {
             object[] buff = new object[1];
             buff[0] = num;
             plc.WriteByWord(key, buff);
         }

         public void BarcodeToPlc(string key, int num)
         {
             object[] buff = new object[1];
             buff[0] = num;
             plc.WriteByWord(key, buff);
         }

        /// <summary>
        /// 更换机种
        /// 机种字段一共占两个字，num代表第几位是1
        /// plc中每位1代表一个机种
        /// </summary>
        /// <param name="key"></param>
        /// <param name="num"></param>
         public void ChangeMachine(string key, int num)
         {
             //object[] buff = new object[2];
             //int shift = num - 1;
             //if (shift > 15)
             //{
             //    shift = shift - 15;
             //    buff[0] = 0;
             //    buff[1] = 1 >> shift;
             //}
             //else 
             //{
             //    buff[0] = 1 >> shift;
             //    buff[1] = 0;
             //}
             object[] buff = new object[1];
             buff[0] = num;
             plc.WriteByWord(key, buff);
         }
        /// <summary>
        /// 无上一工位信息报警
        /// </summary>
        /// <param name="key"></param>
         public void Alarm(string key)
         {
             plc.writePLCbybit(key,(int)PlcWriteByte.NullProduct,1,false);
         }

        /// <summary>
        /// 字符串发送完成
        /// </summary>
        /// <param name="key"></param>
         public void BarcordSend(string key)
         {
             plc.writePLCbybit(key,(int)PlcWriteByte.BarcodeSend,1,false);
         }

         public int GetBarcode(string key)
         {
             int [] value;
             PlcData.Instance.PlcRead(key,out value);
             if (value.Length > 0)
             {
                 return value[0];
             }
             else 
             {
                 return 0;
             }
         }
        /// <summary>
        /// NG拿取提示
        /// </summary>
        /// <param name="key"></param>
         public void  NGTakeAway(string key)
         {
             plc.writePLCbybit(key,(int)PlcWriteByte.NGTakeAway,1,false);
         }

         /// <summary>
         ///换线NG品报警
         /// </summary>
         /// <param name="key"></param>
         public void ChangeError(string key)
         {
             plc.writePLCbybit(key, (int)PlcWriteByte.ChangeLine, 1, false);
         }

         public void Reset(string key)
         { 
            object[] buff=new object[1];
            buff[0]=0;
            plc.WriteByWord(key, buff);
         }


         /// <summary>
         /// 告诉PLCOKNG
         /// </summary>
         /// <param name="key"></param>
         public void writeOKNG(string key,int value)
         {
             object[] buff = new object[1];
             buff[0] = value;
             plc.WriteByWord(key, buff);
         }

    }

    public enum PlcWriteByte
    { 
        //允许作业
        startwork=0,
        //Ng放行地址
        NGGO=1,
        //作业完成放行信号
        HaveWorked=2,
        //扫码完成信号
        BarcodeScan=3,
        //无工位信息报警地址
        NullProduct=4,
        //字符串发送完成信号
        BarcodeSend=5,
        //重投完成放行信号
        ReStartGo=6,
        //Ng拿取提示
        NGTakeAway=7,
        //换线NG品报警
        ChangeLine=8
    }
}