using System;
using System.Collections.Generic;
using System.Configuration;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Web.Hosting;

namespace TrainInfomationProviderService
{
	class RunTimeContext
	{
		public static string ServiceRoot { get; private set; }

		public static string DataStorageRoot { get; private set; }

		/// <summary>
		/// 是否是web环境
		/// </summary>
		public static bool IsWeb { get; private set; }


		static RunTimeContext()
		{
			Trace.TraceInformation("[CONTEXT] 正在初始化上下文");

			IsWeb = System.Web.Hosting.HostingEnvironment.IsHosted;
			Trace.TraceInformation("[CONTEXT] WEB模式：{0}", IsWeb);

			if (IsWeb)
			{
				ServiceRoot = System.Web.Hosting.HostingEnvironment.ApplicationPhysicalPath;
				DataStorageRoot = HostingEnvironment.MapPath(ConfigurationManager.AppSettings["dataStoragePath"]);
			}
			else
			{
				ServiceRoot = System.Reflection.Assembly.GetEntryAssembly().GetLocation();
				DataStorageRoot = ConfigurationManager.AppSettings["dataStoragePath"];
				if (!Path.IsPathRooted(DataStorageRoot))
					DataStorageRoot = PathUtility.Combine(ServiceRoot, DataStorageRoot);
			}
			Directory.CreateDirectory(DataStorageRoot);

			Trace.TraceInformation("[CONTEXT] 服务根目录：{0}", ServiceRoot);
			Trace.TraceInformation("[CONTEXT] 数据根目录：{0}", DataStorageRoot);
		}
	}
}