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

namespace Mesnac.Action.Base
{
    public class DeviceDataName
    {
        private Dictionary<string, string> _deviceDataNameDic { get; set; }
        #region 单例模式
        private static DeviceDataName _this;
        public static DeviceDataName Instance
        {
            get
            {
                if (null == _this)
                    _this = new DeviceDataName();
                return _this;
            }
        }
        private DeviceDataName()
        {
            this._deviceDataNameDic = new Dictionary<string, string>();
        }
        #endregion
        #region 基本信息
        private string _projectWizardName = string.Empty;
        public string ProjectWizardName
        {
            get
            {
                return _projectWizardName;
            }
            set
            {
                if (_projectWizardName != value)
                {
                    this._deviceDataNameDic.Clear();
                    _projectWizardName = value;
                }
            }
        }

        private readonly string ActionConfigPath = "Data\\EventConfig\\";
        private string GetConfigFilePath(string path)
        {
            FileInfo fi = new FileInfo(AppDomain.CurrentDomain.FriendlyName);
            return Path.Combine(fi.Directory.ToString(), ActionConfigPath, path);
        }
        #endregion
        #region IniDeviceDataNameDic
        private void IniDeviceDataNameDic(FileInfo fi)
        {
            XmlDocument xmlDocument = new XmlDocument();
            xmlDocument.Load(fi.FullName);
            foreach (XmlNode serviceNode in xmlDocument)
            {
                if (!serviceNode.Name.Equals("EquipDataNameExchange", StringComparison.CurrentCultureIgnoreCase))
                {
                    continue;
                }
                foreach (XmlNode runtimeNode in serviceNode.ChildNodes)
                {
                    if (runtimeNode.Attributes != null
                        && runtimeNode.Attributes.Count > 1
                        && runtimeNode.Attributes["runtime"] != null
                        && runtimeNode.Attributes["runtime"].Value != null
                        && runtimeNode.Attributes["design"] != null
                        && runtimeNode.Attributes["design"].Value != null)
                    {
                        if (!this._deviceDataNameDic.ContainsKey(runtimeNode.Attributes["runtime"].Value.ToString()))
                        {
                            this._deviceDataNameDic.Add(runtimeNode.Attributes["runtime"].Value.ToString(),
                                runtimeNode.Attributes["design"].Value.ToString());
                        }
                    }
                }
            }
        }
        private void IniDeviceDataNameDic()
        {
            if (this._deviceDataNameDic.Count > 0)
            {
                return;
            }
            this._deviceDataNameDic.Clear();
            DirectoryInfo dir = new DirectoryInfo(GetConfigFilePath(this._projectWizardName));
            if (dir.Exists)
            {
                foreach (FileInfo fi in dir.GetFiles())
                {
                    IniDeviceDataNameDic(fi);
                }
            }
        }
        #endregion

        public string GetDeviceDesignDataName(string runtime)
        {
            if (this._deviceDataNameDic.Count == 0)
            {
                IniDeviceDataNameDic();
            }
            string Result = runtime;
            if (this._deviceDataNameDic.TryGetValue(runtime, out Result))
            {
                return Result;
            }
            return runtime;
        }
        public string GetDeviceDesignDataName(string projectWizardName, string runtime)
        {
            this.ProjectWizardName = projectWizardName;
            return GetDeviceDesignDataName(runtime);
        }
    }
}