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

namespace AllBase.Util;

public class ChineseStringConverter
{
	private const int LCMAP_SIMPLIFIED_CHINESE = 0x02000000;
	private const int LCMAP_TRADITIONAL_CHINESE = 0x04000000;

	[DllImport("kernel32", CharSet = CharSet.Auto, SetLastError = true)]
	private static extern int LCMapString(int Locale, int dwMapFlags, string lpSrcStr, int cchSrc, [Out] string lpDestStr, int cchDest);

	public static string ToSimplified(string source)
	{
		string target = new string(' ', source.Length);
		LCMapString(0x0800, LCMAP_SIMPLIFIED_CHINESE, source, source.Length, target, source.Length);
		return target;
	}

	public static string ToTraditional(string source)
	{
		string target = new string(' ', source.Length);
		LCMapString(0x0800, LCMAP_TRADITIONAL_CHINESE, source, source.Length, target, source.Length);
		return target;
	}
}