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

namespace TeamAAS_VP.Core
{
    /// <summary>
    /// INI配置文件操作类(使用 Windows API)
    /// </summary>
    public class IniConfigHelper
    {
        private readonly string _filePath;

        [DllImport("kernel32")]
        private static extern long WritePrivateProfileString(string section, string key, string val, string filePath);

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

        public IniConfigHelper(string iniFileName = "config.ini")
        {
            // 判断路径1
            if (IsPathContainingDirectory(iniFileName))
            {
                if (!Directory.Exists(System.IO.Path.GetDirectoryName(iniFileName)))
                {
                    Directory.CreateDirectory(Path.GetDirectoryName(iniFileName));
                }
                _filePath=iniFileName;
            }
            else
            {
                // 配置文件存储路径（应用程序所在目录）
                _filePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, iniFileName);
            }
            

            // 如果文件不存在则创建
            if (!File.Exists(_filePath))
            {
                File.Create(_filePath).Close();
            }
        }

        public void WriteValue(string section, string key, string value)
        {
            WritePrivateProfileString(section, key, value, _filePath);
        }

        public string ReadValue(string section, string key, string defaultValue = "")
        {
            var sb = new StringBuilder(255);
            GetPrivateProfileString(section, key, defaultValue, sb, 255, _filePath);
            return sb.ToString();
        }

        /// <summary>
        /// 判断路径是否包含文件夹路径
        /// </summary>
        /// <param name="path"></param>
        /// <returns></returns>
        public bool IsPathContainingDirectory(string path)
        {
            // 获取文件夹路径部分
            string directory = Path.GetDirectoryName(path);

            // 如果目录部分不为空，则表示路径包含文件夹路径
            return !string.IsNullOrEmpty(directory);
        }
    }
}