using Microsoft.Extensions.Logging;
using Newtonsoft.Json.Linq;
using SlnMesnac.Plc.Impl;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Threading.Tasks;
using SlnMesnac.Config;

namespace SlnMesnac.Plc
{
    /// <summary>
    /// PLC连接池
    /// </summary>
    public class PlcPool
    {

        private ILogger<PlcPool> _logger;

        private Dictionary<string, IPlc> keyValuePairs = new Dictionary<string, IPlc>();

        private readonly InovancePlc _inovancePlc;
        private readonly MelsecBinaryPlc _melsecBinaryPlc;
        private readonly OmronNJPlc _omronNJPlc;
        private readonly SiemensPlc _siemensPlc;
        private readonly AppConfig _appConfig;

        public PlcPool(ILogger<PlcPool> logger, InovancePlc inovancePlc,MelsecBinaryPlc melsecBinaryPlc,OmronNJPlc omronNJPlc,SiemensPlc siemensPlc,AppConfig appConfig)
        {
            _logger = logger;
            _inovancePlc = inovancePlc;
            _melsecBinaryPlc = melsecBinaryPlc;
            _omronNJPlc = omronNJPlc;
            _siemensPlc = siemensPlc;
            _appConfig = appConfig;
            
            //this.Init();
        }

        public void Init()
        {
            if (!HslCommunication.Authorization.SetAuthorizationCode("ed1415f8-e06a-43ad-95f7-c04f7ae93b41"))
            {
                _logger.LogInformation("HslCommunication激活失败，可用时长24小时");
            }
            _logger.LogInformation("HslCommunication 11.0.6.0激活成功");

            try
            {
                if (_appConfig.plcConfig != null)
                {
                    Task.Run(() =>
                    {
                        foreach (var item in _appConfig.plcConfig)
                        {
                            AddPlc(item.plcType, item.plcIp, item.plcPort, item.plcKey);
                        }
                    });
                }
                else
                {
                    _logger.LogInformation("PLC配置信息为空");
                }
            }
            catch (Exception e)
            {
                _logger.LogError($"PLC初始化连接异常：{e.Message}");
            }
        }
        
        /// <summary>
        /// 添加PLC连接
        /// </summary>
        /// <param name="plcType"></param>
        /// <param name="ip"></param>
        /// <param name="port"></param>
        /// <param name="key"></param>
        public void AddPlc(string plcType, string ip, int port, string key)
        {
            IPlc _plc = null;
            switch (plcType)
            {
                case "InovancePlc":
                    _plc = _inovancePlc;
                    break;
                case "MelsecBinaryPlc":
                    _plc = _melsecBinaryPlc;
                    break;
                case "OmronNJPlc":
                    _plc = _omronNJPlc;
                    break;
                case "SiemensPlc":
                    _plc = _siemensPlc;
                    break;
                default:
                    break;
            }
            var connectResult = _plc.Connect(ip, port);
            if (connectResult)
            {
                keyValuePairs.Add(key, _plc);
                if (!keyValuePairs.ContainsKey(key))
                {
                    keyValuePairs.Add(key, _plc);
                }
                else
                {
                    keyValuePairs[key] = _plc;
                }
            }
        }

        /// <summary>
        /// 获取PLC
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>
        public IPlc GetPlcByKey(string key)
        {
            return keyValuePairs[key];
        }

        /// <summary>
        /// 获取所有PLC信息
        /// </summary>
        /// <returns></returns>
        public Dictionary<string, IPlc> GetAll()
        {
            return keyValuePairs;
        }

        /// <summary>
        /// 关闭所有连接
        /// </summary>
        /// <returns></returns>
        public bool disConnectAll()
        {
            bool result = false;
            try
            {
                foreach (var kv in keyValuePairs)
                {
                    if (kv.Value != null)
                    {
                        kv.Value.DisConnect();
                    }
                }
                result = true;
            }
            catch (Exception ex)
            {
                _logger.LogError("关闭PLC连接异常", ex);
            }

            return result;
        }
    }
}