using System;
using System.Runtime.InteropServices;
using System.Text;

namespace SKMC.Api.Common.File
{
    /// <summary>
    /// Ini文件读写工具类
    /// </summary>
    public class IniFiles
    {
        public string iniPath;

        [DllImport("kernel32")]
        private static extern long WritePrivateProfileString(string section, string key, string val, string filePath);
        [DllImport("kernel32")]
        public static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retVal, int size, string filePath);

        /// <summary>
        /// 构造函数
        /// </summary>
        /// <param name="INIPath">路径</param>
        public IniFiles(string INIPath)
        {
            iniPath = INIPath;

            if (!System.IO.File.Exists(iniPath))
            {
                try
                {
                    System.IO.File.Create(iniPath);
                }
                catch (Exception)
                { }
            }
        }

        /// <summary>
        /// 向ini文件中写入值
        /// </summary>
        /// <param name="Section">表头</param>
        /// <param name="Key">键</param>
        /// <param name="Value">值</param>
        public void IniWriteValue(string Section, string Key, string Value)
        {
            WritePrivateProfileString(Section, Key, Value, this.iniPath);
        }

        /// <summary>
        /// 从ini中得到int类型的值
        /// </summary>
        /// <param name="Section">表头</param>
        /// <param name="Key">键</param>
        /// <returns></returns>
        public int IniReadIntValue(string Section, string Key)
        {
            return Convert.ToInt32(IniReadStringValue(Section, Key));
        }

        /// <summary>
        /// 从ini中得到double类型的值
        /// </summary>
        /// <param name="Section">表头</param>
        /// <param name="Key">键</param>
        /// <returns></returns>
        public double IniReadDoubleValue(string Section, string Key)
        {
            return Convert.ToDouble(IniReadStringValue(Section, Key));
        }


        public bool IniReadBoolValue(string Section, string Key)
        {
            return Convert.ToBoolean(IniReadStringValue(Section, Key));
        }

        /// <summary>
        /// 从ini中得到string类型的值
        /// </summary>
        /// <param name="Section">表头</param>
        /// <param name="Key">键</param>
        /// <returns></returns>
        public string IniReadStringValue(string Section, string Key)
        {
            StringBuilder temp = new StringBuilder(1024);
            GetPrivateProfileString(Section, Key, "", temp, 1024, this.iniPath);
            return temp.ToString();
        }

        /// <summary>
        /// 判断文件是否存在
        /// </summary>
        /// <returns></returns>
        public bool ExistINIFile()
        {
            return System.IO.File.Exists(iniPath);
        }

        /// <summary>
        /// 判断键值是否相同
        /// </summary>
        /// <param name="Section">表头</param>
        /// <param name="Key">键</param>
        /// <param name="Value">值</param>
        /// <param name="specBeefore">设定值</param>
        public void IniWriteValue(string Section, string Key, string Value, string specBeefore)
        {
            if (Value != specBeefore)
            {
                WritePrivateProfileString(Section, Key, Value, this.iniPath);
            }
        }
    }
}