using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace CapMachine.Core
{
    public class ConfigHelper
    {
        Configuration cfa = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
        /// <summary>
        /// 根据Key取Value值
        /// </summary>
        /// <param name="key"></param>
        public static string GetValue(string key)
        {
            var value = ConfigurationManager.AppSettings[key];
            return (value ?? string.Empty).Trim();
        }

        /// <summary>
        /// 根据Key修改Value
        /// </summary>
        /// <param name="key">要修改的Key</param>
        /// <param name="value">要修改为的值</param>
        public static void SetValue(string key, string value)
        {
            //ConfigurationManager.AppSettings.Set(key, value);
            //cfa.AppSettings.Settings[key].Value = value;
            //cfa.Save();

            Configuration configuration = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
            if (configuration.AppSettings.Settings[key] == null)
            {
                configuration.AppSettings.Settings.Add(key, value);
            }
            else
            {
                configuration.AppSettings.Settings[key].Value = value;
            }
            configuration.Save();
            ConfigurationManager.RefreshSection("appSettings");
        }

        /// <summary>
        /// 添加新的Key ，Value键值对
        /// </summary>
        /// <param name="key">Key</param>
        /// <param name="value">Value</param>
        public static void Add(string key, string value)
        {
            ConfigurationManager.AppSettings.Add(key, value);
        }

        /// <summary>
        /// 根据Key删除项
        /// </summary>
        /// <param name="key">Key</param>
        public static void Remove(string key)
        {
            ConfigurationManager.AppSettings.Remove(key);
        }

    }
}