using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;

namespace SWS.Commons
{
    public static class IniHelper
    {
        [DllImport("kernel32", CharSet = CharSet.Unicode)]
        private static extern long WritePrivateProfileString(string section, string key, string val, string filePath);
        [DllImport("kernel32", CharSet = CharSet.Unicode)]
        private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retVal, int size, string filePath);

        /// <summary>
        ///读取ini文件数据
        /// </summary>
        /// <param name="Section">段</param>
        /// <param name="Key">键名</param>
        /// <param name="def">默认值</param>
        /// <param name="filePath">文件路径</param>
        /// <returns>读出内容</returns>
        public static string ReadValueFromIniFile(string Section, string Key, string def = null, string filePath = null)
        {
            if (def == null)
            {
                def = "";
            }
            if (filePath == null)
            {
                filePath = GlobalObject.configPath;
            }
            StringBuilder temp = new StringBuilder(4096);
            int i = GetPrivateProfileString(Section, Key, def, temp, 4096, filePath);
            return temp.ToString();
        }

        /// <summary>
        /// 写入数据到ini文件
        /// </summary>
        /// <param name="Section">段</param>
        /// <param name="Key">键名</param>
        /// <param name="Value">键值</param>
        /// <param name="filePath">文件路径</param>
        public static void WriteValueFromIniFile(string Section, string Key, string Value, string filePath = null)
        {
            if (filePath == null)
            {
                filePath = GlobalObject.configPath;
            }
            WritePrivateProfileString(Section, Key, Value, filePath);
        }
    }
}