using NIU.Core;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Web;

namespace CP.Common
{
    /// <summary>
    /// Cookie类
    /// </summary>
    public class Cookies
    {
        /// <summary>
        /// cookie域
        /// </summary>
        private static string _Domain = ".niu.cn";
        /// <summary>
        /// cookie名称
        /// </summary>
        public static string _CookieAdminName = "_NIU_ADMIN";
        /// <summary>
        /// cookie名称(权限)
        /// </summary>
        public static string _AuthorityName = "_NIU_ADMIN_Authority";
        /// <summary>
        /// 获取cookie
        /// </summary>
        /// <param name="cookieName">cookie名称</param>
        /// <returns></returns>
        public static string Get(string cookieName, string domain = ".niu.cn")
        {
            if (HttpContext.Current.Request.Cookies != null && HttpContext.Current.Request.Cookies[cookieName] != null)
            {
                //HttpContext.Current.Request.Cookies[cookieName].Domain = domain;
                string value = HttpContext.Current.Request.Cookies[cookieName].Value.ToString();
                return Encryption.Get(value, _CookieAdminName);
            }
            return "";
        }
        /// <summary>
        /// 写入cookie
        /// </summary>
        /// <param name="cookieName">cookie名称</param>
        /// <param name="cookieValue">cookie值</param>
        /// <param name="Expires">过期时间(分钟)</param>
        public static void Set(string cookieName, string cookieValue, int Expires = 0, string domain = ".niu.cn")
        {
            HttpCookie cookie = HttpContext.Current.Request.Cookies[cookieName];
            if (cookie == null)
            {
                cookie = new HttpCookie(cookieName);
            }
            cookie.Value = Encryption.Set(cookieValue, _CookieAdminName);
            //cookie.Domain = domain;
            cookie.HttpOnly = true;
            if (Expires > 0)
                cookie.Expires = DateTime.Now.AddMinutes(Expires);
            else
                cookie.Expires = DateTime.Now.AddMinutes(60);
            HttpContext.Current.Response.AppendCookie(cookie);
        }
        /// <summary>
        /// 清除COOKIES
        /// </summary>
        public static void Delete(string cookieName, string domain = ".niu.cn")
        {
            //HttpContext.Current.Response.Cookies[cookieName].Domain = domain;
            HttpContext.Current.Response.Cookies[cookieName].Expires = DateTime.Now.AddDays(-600);
        }

        /// <summary>
        /// 移除Cookies
        /// </summary>
        /// <param name="cookiesName"></param>
        public static void RemoveCookies(string cookiesName)
        {
            if (string.IsNullOrEmpty(cookiesName))
                return;
            HttpCookie cookie = HttpContext.Current.Request.Cookies[cookiesName];
            if (null != cookie)
            {
                //HttpContext.Current.Response.Cookies[cookiesName].Domain = _Domain;
                HttpContext.Current.Response.Cookies[cookiesName].Expires = DateTime.Now.AddDays(-600);
                HttpContext.Current.Response.Cookies[cookiesName].Values.Clear();
                cookie.Expires = DateTime.Now.AddDays(-5);
                HttpContext.Current.Response.Cookies.Add(cookie);
            }
        }

        /// <summary>
        /// 写Cookie值
        /// </summary>
        /// <param name="strName">键</param>
        /// <param name="strValue">名</param>
        /// <param name="httponly">httponly默认true</param>
        /// <param name="expires">默认480分钟</param>
        public static void WriteCookie(string strName, string strValue, int expires = 480, bool httponly = true, string domain = ".niu.cn")
        {
            HttpCookie cookie = HttpContext.Current.Request.Cookies[strName];
            if (cookie == null)
            {
                cookie = new HttpCookie(strName);
            }
            cookie.HttpOnly = httponly;
            //cookie.Domain = domain;
            cookie.Value = HttpContext.Current.Server.UrlEncode(strValue);
            if (expires > 0)
                cookie.Expires = DateTime.Now.AddMinutes(expires);
            HttpContext.Current.Response.Cookies.Add(cookie);
        }

        public static string GetCookieBy(string strName, string domain = ".niu.cn")
        {
            if (HttpContext.Current.Request.Cookies != null && HttpContext.Current.Request.Cookies[strName] != null)
            {
                //HttpContext.Current.Request.Cookies[strName].Domain = domain;
                return HttpContext.Current.Server.UrlDecode(HttpContext.Current.Request.Cookies[strName].Value.ToString());
            }

            return "";
        }
    }
}