using Microsoft.Win32;
using OpenTap.Addin;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.IO;
using UtilLib;

namespace AddInPlugin
{
    public class DefaultStationGlobalsManager : IStationGlobalsManager
    {
        protected string GetRegister()
        {
            string Company = "JingCe", Program = "SequenceEditor";

            string registryPath = $@"SOFTWARE\{Company}\{Program}";
            // 尝试打开注册表键
            using (RegistryKey key = Registry.CurrentUser.OpenSubKey(registryPath))
            {
                if (key == null)
                {
                    throw new Exception("注册表不存在，请先运行一次编辑器");
                }

                string value = key.GetValue("Location")?.ToString();
                if (string.IsNullOrEmpty(value))
                {
                    throw new Exception("注册表不存在，请先运行一次编辑器");
                }
                return value;
            }
        }

        public virtual IEnumerable<TestVariable> ReadFromLocal()
        {
            string path = Path.Combine(GetRegister(), "Config", "StationGlobals.data");
            lock (this)
            {
                if (!File.Exists(path))
                {
                    return new ObservableCollection<TestVariable>();
                }
                return XmlHelper.DeserializeFromXml<ObservableCollection<TestVariable>>(path);
            }
        }

        public virtual ConcurrentDictionary<string, RuntimeVariable> ToRuntime()
        {
            var VariablePool = new ConcurrentDictionary<string, RuntimeVariable>();
            foreach (var data in ReadFromLocal())
            {
                RuntimeVariable runTime = data.ToRuntime();
                if (runTime == null) continue;
                VariablePool[runTime.Name] = runTime;
            }
            return VariablePool;
        }

        public virtual bool WriteToLocal(IEnumerable<TestVariable> datas)
        {
            string path = Path.Combine(GetRegister(), "Config", "StationGlobals.data");
            lock (this)
            {
                XmlHelper.SerializeToXml(path, datas);
                return true;
            }
        }
    }
}