using System;
using System.Collections.Generic;
using System.Text;

namespace MAX.Core.Helpers;

public class UriHelper
{
	#region 对外公开方法
	/// <summary>
	/// 带有前缀的域名
	/// </summary>
	/// <param name="url"></param>
	/// <returns></returns>
	public static string GetSchemeDomain(string url)
	{
		Uri uri = new(url);
		return $"{uri.Scheme}://{uri.Authority}";
	}
	/// <summary>
	/// 获取域名
	/// </summary>
	/// <param name="url"></param>
	/// <returns></returns>
	public static string GetDomain(string url)
	{
		Uri uri = new(url);
		return uri.Host;
	}
	/// <summary>
	/// 获取 URL
	/// </summary>
	/// <param name="url">URL 地址</param>
	/// <returns></returns>
	public static string GetUrl(string url)
	{
		Uri uri = new(url);
		return uri.AbsolutePath;
	}
	/// <summary>
	/// URL 解码
	/// </summary>
	/// <param name="url">URL 地址</param>
	/// <returns></returns>
	public static string UrlDecode(string url)
	{
		return System.Web.HttpUtility.UrlDecode(url);
	}
	/// <summary>
	/// URL 解码
	/// </summary>
	/// <param name="url">URL 地址</param>
	/// <param name="encoding">编码格式</param>
	/// <returns></returns>
	public static string UrlDecode(string url, Encoding encoding)
	{
		return System.Web.HttpUtility.UrlDecode(url, encoding);
	}
	/// <summary>
	/// URL 编码
	/// </summary>
	/// <param name="url">URL 地址</param>
	/// <returns></returns>
	public static string UrlEncode(string url)
	{
		return System.Web.HttpUtility.UrlEncode(url);
	}
	/// <summary>
	/// URL 编码
	/// </summary>
	/// <param name="url">URL 地址</param>
	/// <param name="encoding">编码格式</param>
	/// <returns></returns>
	public static string UrlEncode(string url, Encoding encoding)
	{
		return System.Web.HttpUtility.UrlEncode(url, encoding);
	}
	/// <summary>
	/// 获取参数列表
	/// </summary>
	/// <param name="url">Url 地址</param>
	/// <returns></returns>
	public static List<string> GetQueryList(string url)
	{
		return GetQueryList(url, Encoding.UTF8);
	}
	/// <summary>
	/// 获取参数列表
	/// </summary>
	/// <param name="url">Url 地址</param>
	/// <param name="encoding">编码格式</param>
	/// <returns></returns>
	public static List<string> GetQueryList(string url, Encoding encoding)
	{
		Uri uri = new(url);
		string query = uri.PathAndQuery;
		if (query.IndexOf(".") > 0)
		{
			query = query.Substring(0, query.IndexOf("."));
		}

		List<string> dataList = [];
		string[] queryDataList = query.Split(new string[] { "/" }, StringSplitOptions.RemoveEmptyEntries);
		if (queryDataList != null && queryDataList.Length > 0)
		{
			foreach (string queryData in queryDataList)
			{
				dataList.Add(System.Web.HttpUtility.UrlDecode(queryData, encoding));
			}
		}
		return dataList;
	}
	/// <summary>
	/// 获取参数字典
	/// </summary>
	/// <param name="url">Url 地址</param>
	/// <returns></returns>
	public static Dictionary<string, string> GetQueryDict(string url)
	{
		return GetQueryDict(url, Encoding.UTF8);
	}
	/// <summary>
	/// 获取参数字典
	/// </summary>
	/// <param name="url">Url 地址</param>
	/// <param name="encoding">编码格式</param>
	/// <returns></returns>
	public static Dictionary<string, string> GetQueryDict(string url, Encoding encoding)
	{
		Uri uri = new(url);
		string query = uri.Query.TrimStart(new char[] { '?' });

		Dictionary<string, string> dataDict = [];
		string[] queryDataList = query.Split(new string[] { "&" }, StringSplitOptions.RemoveEmptyEntries);
		if (queryDataList != null && queryDataList.Length > 0)
		{
			foreach (string queryData in queryDataList)
			{
				string[] keyValue = queryData.Split(new string[] { "=" }, StringSplitOptions.RemoveEmptyEntries);
				if (!dataDict.ContainsKey(keyValue[0]))
				{
					dataDict.Add(keyValue[0].ToLower(), System.Web.HttpUtility.UrlDecode(keyValue[1], encoding));
				}
			}
		}
		return dataDict;
	}
	#endregion
}