using Sharp7;
using Sharp7.Rx;
using Sharp7.Rx.Enums;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reactive.Disposables;
using System.Reactive.Linq;
using System.Reactive.Threading.Tasks;
using System.Threading.Tasks;

namespace LangGuan.Command.Extension
{
    public class PlcHelper2
    {

        public PlcHelper2() { }
        /// <summary>
        /// 设定设备值
        /// </summary>
        /// <param name="ip"></param>
        /// <param name="key"></param>
        /// <param name="val"></param>
        /// <returns></returns>
        public async Task startDevice(string ip, string key, Int16 val)
        {
            try
            {
                using (var disposables = new CompositeDisposable())
                {
                    Console.WriteLine($"开始连接设备,ip:{ip}，");
                    // create a new PLC
                    var plc = new Sharp7Plc(ip, 0, 1);
                    disposables.Add(plc);
                    // initialize the plc
                    await plc.InitializeAsync();
                    var t = await plc.ConnectionState.FirstAsync(c => c == ConnectionState.Connected).ToTask();
                    await plc.SetValue<Int16>(key, val); // set a bit
                    var result = await plc.GetValue<Int16>(key);
                    Console.WriteLine($"监控写入结果：----- {result}");
                    Console.WriteLine($"{DateTime.Now.ToString("yyyy-MM-dd HH:mm ss")}----plc连接状态：{t}");
                    // Console.WriteLine($"plc连接状态：{plc.ConnectionState.FirstAsync(c => c == ConnectionState.Connected).Any()}");
                    //  await plc.SetValue<bool>("DB2.DBX0.4", true); // set a bit
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
        }
        public async Task startDevice502(string ip, string key, Int16 val)
        {
            try
            {
                using (var disposables = new CompositeDisposable())
                {
                    Console.WriteLine($"502开始连接设备,ip:{ip}，");
                    // create a new PLC
                    var plc = new Sharp7Plc(ip, 0, 1,502);
                    disposables.Add(plc);
                    // initialize the plc
                    await plc.InitializeAsync();
                    var t = await plc.ConnectionState.FirstAsync(c => c == ConnectionState.Connected).ToTask();
                    await plc.SetValue<Int16>(key, val); // set a bit
                    var result = await plc.GetValue<Int16>(key);
                    Console.WriteLine($"502监控写入结果：----- {result}");
                    Console.WriteLine($"{DateTime.Now.ToString("yyyy-MM-dd HH:mm ss")}--502--plc连接状态：{t}");
                    // Console.WriteLine($"plc连接状态：{plc.ConnectionState.FirstAsync(c => c == ConnectionState.Connected).Any()}");
                    //  await plc.SetValue<bool>("DB2.DBX0.4", true); // set a bit
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
        }
        public async Task SetVal(string ip, string key, int val)
        {
            using (var disposables = new CompositeDisposable())
            {
                // create a new PLC
                var plc = new Sharp7Plc(ip, 0, 2);
                disposables.Add(plc);

                // initialize the plc
                await plc.InitializeAsync();

                //wait for the plc to get connected
                await plc.ConnectionState
                         .FirstAsync(c => c == ConnectionState.Connected)
                         .ToTask();

                //  await plc.SetValue<bool>("DB2.DBX0.4", true); // set a bit
                await plc.SetValue<int>(key, val); // set a bit
                                                   // var bit = await plc.GetValue<int>("DB2.int4"); // get a bit

                // create a nofication for data change in the plc
                //var notification = plc.CreateNotification<bool>("DB1.DBX0.2", TransmissionMode.OnChange, TimeSpan.FromMilliseconds(100))
                //                      .Where(b => b) //select rising edge
                //                      .Do(_ => doStuff())
                //                      .Subscribe();
                //disposables.Add(notification);

                //wait for enter before ending the program
                // Console.ReadLine();

            }
        }
        /// <summary>
        /// 取值
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="ip"></param>
        /// <param name="key"></param>
        /// <returns></returns>
        public async Task<T> GetVal<T>(string ip, string key)
        {
            using (var disposables = new CompositeDisposable())
            {
                // create a new PLC
                var plc = new Sharp7Plc(ip, 0, 2);
                disposables.Add(plc);

                // initialize the plc
                await plc.InitializeAsync();

                //wait for the plc to get connected
                await plc.ConnectionState
                         .FirstAsync(c => c == ConnectionState.Connected)
                         .ToTask();

                //  await plc.SetValue<bool>("DB2.DBX0.4", true); // set a bit
                var bit = await plc.GetValue<T>(key); // get a bit
                return bit;
            }
        }
    }
}