using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using WindowsFormsApplication1.Properties;

namespace WindowsFormsApplication1
{
    public class OPCHelper
    {
        /// <summary>
        /// 读取指定地址的OPC的值
        /// </summary>
        /// <param name="ItemNames">需要读取的地址列表</param>
        /// <returns>输入地址对应的值</returns>
        public static List<object> OPCRead(List<string> ItemNames)
        {
            //输入地址为空时输出空
            //if (ItemNames == null || ItemNames.Count == 0)
            //{
            //    return null;
            //}

            //int count = ItemNames.Count;
            //List<object> readRtn = new List<object>();//设置返回值数组
            //try
            //{

            //    using (var srv = new OPCXML_DataAccess())
            //    {
            //        ReadRequestItemList ItemLists = new ReadRequestItemList();
            //        ItemLists.Items = new ReadRequestItem[count];
            //        for (int i = 0; i < count; i++)
            //        {

            //            ItemLists.Items[i] = new ReadRequestItem();
            //            ItemLists.Items[i].ItemPath = "";
            //            ItemLists.Items[i].ItemName = ItemNames[i];
            //        }
            //        RequestOptions opt = new RequestOptions();

            //        ReplyItemList ItemValues = new ReplyItemList(); ;
            //        OPCError[] Errors;
            //        opt.ReturnItemTime = true;
            //        srv.Read(opt, ItemLists, out ItemValues, out Errors);
            //        foreach (var p in ItemValues.Items)
            //        {
            //            readRtn.Add(p.Value);
            //        }
            //    }
            //}
            //catch (Exception ex)
            //{
            //    LogTextHelper.WriteLine(Resources.LogDir, "在类{0}中执行方法{1}时出现异常：{2}", "FLTKOPCHelper", "OPCRead", ex.Message);
            //}
            //return readRtn;
            return new List<object>();
        }

        /// <summary>
        /// 单值写入OPCServer
        /// </summary>
        /// <param name="ItemName">地址块</param>
        /// <param name="value">值</param>
        /// <returns>是否写入成功</returns>
        public static bool OPCWritePoint(string ItemName, object value)
        {
            //try
            //{
            //    using (var srv = new OPCXML_DataAccess())
            //    {
            //        WriteRequestItemList ItemLists = new WriteRequestItemList();
            //        ItemLists.Items = new ItemValue[1];
            //        ItemLists.Items[0] = new ItemValue();
            //        ItemLists.Items[0].ItemPath = "";
            //        ItemLists.Items[0].ItemName = ItemName;
            //        ItemLists.Items[0].Value = value;
            //        ItemLists.Items[0].TimestampSpecified = false;

            //        RequestOptions opt = new RequestOptions();

            //        ReplyItemList ItemValues = new ReplyItemList();
            //        OPCError[] Errors;
            //        opt.ReturnItemTime = true;
            //        ReplyBase replay = srv.Write(opt, ItemLists, true, out ItemValues, out Errors);

            //        return !serverState.failed.Equals(replay.ServerState) && !serverState.commFault.Equals(replay.ServerState);

            //    }
            //}
            //catch (Exception ex)
            //{
            //    LogTextHelper.WriteLine(Resources.LogDir, "在类{0}中执行方法{1}时出现异常：{2}", "FLTKOPCHelper", "OPCWritePoint", ex.Message);
            //    return false;
            //}
            return true;
        }

        /// <summary>
        /// 写入准入信息
        /// </summary>
        /// <param name="ssj_Number"></param>
        /// <returns></returns>
        public static bool SSJLicences(int ssj_Number)
        {
            //string LOCALSERVER = "S7:[S7 connection_1]";
            //string StackerWrite = "DB540,";
            //string WRITE_SSJ_1_Allow = LOCALSERVER + StackerWrite + "B17";//1号输送机入库许可
            //string WRITE_SSJ_2_Allow = LOCALSERVER + StackerWrite + "B18";//2号输送机入库许可
            //string WRITE_SSJ_3_Allow = LOCALSERVER + StackerWrite + "B19";//3号输送机入库许可

            //if (ssj_Number == 1)
            //{
            //    return OPCWritePoint(WRITE_SSJ_1_Allow, 1);
            //}
            //else if (ssj_Number == 2)
            //{
            //    return OPCWritePoint(WRITE_SSJ_2_Allow, 1);
            //}
            //else
            //{
            //    return OPCWritePoint(WRITE_SSJ_3_Allow, 1);
            //}
            return true;
        }

        /// <summary>
        /// 集合值写入OPC服务器
        /// </summary>
        /// <param name="ItemName">地址块集合</param>
        /// <param name="values">地址块对应的值</param>
        /// <returns>是否写入成功</returns>
        public static bool OPCWriteSerial(List<string> ItemNames, List<object> values)
        {
            //try
            //{
            //    using (var srv = new OPCXML_DataAccess())
            //    {
            //        int count = ItemNames.Count;
            //        WriteRequestItemList ItemLists = new WriteRequestItemList();
            //        ItemLists.Items = new ItemValue[count];
            //        for (int i = 0; i < count; i++)
            //        {
            //            ItemLists.Items[i] = new ItemValue();
            //            ItemLists.Items[i].ItemPath = "";
            //            ItemLists.Items[i].ItemName = ItemNames[i];
            //            ItemLists.Items[i].Value = values[i];
            //            ItemLists.Items[i].TimestampSpecified = false;
            //        }
            //        RequestOptions opt = new RequestOptions();
            //        ReplyItemList ItemValues = new ReplyItemList();
            //        OPCError[] Errors;
            //        opt.ReturnItemTime = true;
            //        ReplyBase replay = srv.Write(opt, ItemLists, true, out ItemValues, out Errors);

            //        return !serverState.failed.Equals(replay.ServerState) && !serverState.commFault.Equals(replay.ServerState);
            //    }
            //}
            //catch (Exception ex)
            //{
            //    LogTextHelper.WriteLine(Resources.LogDir, "在类{0}中执行方法{1}时出现异常：{2}", "FLTKOPCHelper", "OPCWriteSerial", ex.Message);
            //    return false;
            //}
            return true;
        }


    }
}