using AUTS.Services.Extensions;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Web.Configuration;

namespace AUTS.Services.Tool
{
    /// <summary>
	/// web.config操作类
    /// Copyright (C) Maticsoft
	/// </summary>
	public sealed class ConfigHelper
    {
        /// <summary>
        /// 得到AppSettings中的配置字符串信息
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>
        public static string GetConfigString(string key)
        {
            string CacheKey = "AppSettings-" + key;
            object objModel = CacheExtensions.GetCache<object>(CacheKey);
            if (objModel == null)
            {
                try
                {
                    objModel = ConfigurationManager.AppSettings[key];
                    if (objModel != null)
                    {
                        CacheExtensions.SetCache(CacheKey, objModel, Enums.CacheTimeType.ByHours, 3);
                    }
                }
                catch
                { }
            }
            return objModel.ToString();
        }

        /// <summary>
        /// 得到AppSettings中的配置Bool信息
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>
        public static bool GetConfigBool(string key)
        {
            bool result = false;
            string cfgVal = GetConfigString(key);
            if (null != cfgVal && string.Empty != cfgVal)
            {
                try
                {
                    result = bool.Parse(cfgVal);
                }
                catch (FormatException)
                {
                    // Ignore format exceptions.
                }
            }
            return result;
        }
        /// <summary>
        /// 得到AppSettings中的配置Decimal信息
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>
        public static decimal GetConfigDecimal(string key)
        {
            decimal result = 0;
            string cfgVal = GetConfigString(key);
            if (null != cfgVal && string.Empty != cfgVal)
            {
                try
                {
                    result = decimal.Parse(cfgVal);
                }
                catch (FormatException)
                {
                    // Ignore format exceptions.
                }
            }

            return result;
        }
        /// <summary>
        /// 得到AppSettings中的配置int信息
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>
        public static int GetConfigInt(string key)
        {
            int result = 0;
            string cfgVal = GetConfigString(key);
            if (null != cfgVal && string.Empty != cfgVal)
            {
                try
                {
                    result = int.Parse(cfgVal);
                }
                catch (FormatException)
                {
                    // Ignore format exceptions.
                }
            }

            return result;
        }

        /// <summary>
        /// 修改AppSettings中的配置信息
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>
        public static void UpdatetConfig(string key, string value)
        {
            Configuration objConfig = WebConfigurationManager.OpenWebConfiguration("~");
            AppSettingsSection objAppSettings = (AppSettingsSection)objConfig.GetSection("appSettings");
            if (objAppSettings != null)
            {
                objAppSettings.Settings[key].Value = value;
                objConfig.Save();
            }
        }



        /// <summary>
        /// 加载配置文件 app升级配置文件
        /// </summary>
        /// <returns></returns>
        public static Dictionary<String, String> loadCfg()
        {
            string cfgPath = Path.GetDirectoryName(AppDomain.CurrentDomain.SetupInformation.ApplicationBase)
                                + Path.DirectorySeparatorChar + "appset" + Path.DirectorySeparatorChar + "appconfig.properties";
            Dictionary<String, String> cfg = new Dictionary<string, string>();
            using (StreamReader sr = new StreamReader(cfgPath))
            {
                while (sr.Peek() >= 0)
                {
                    string line = sr.ReadLine();
                    if (line.StartsWith("#"))
                    {
                        continue;
                    }
                    int startInd = line.IndexOf("=");
                    string key = line.Substring(0, startInd);
                    string val = line.Substring(startInd + 1, line.Length - (startInd + 1));
                    if (!cfg.ContainsKey(key) && !string.IsNullOrEmpty(val))
                    {
                        cfg.Add(key, val);
                    }
                }
            }

            return cfg;
        }
    }
}