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

namespace Neo.Afx.Common
{
    public static class HttpCookieHelper
    {
         /// <summary>
        /// Reads the cookie.
        /// </summary>
        /// <param name="cookieName">Name of the cookie.</param>
        /// <returns></returns>
        public static string ReadCookie(string cookieName)
        {
            HttpCookie httpCookie = HttpContext.Current.Request.Cookies[cookieName];
            return httpCookie != null ? HttpContext.Current.Server.HtmlEncode(httpCookie.Value).Trim() : string.Empty;
        }
 
        /// <summary>
        /// Writes a cookie and auto sets the expire date to as current day plus one.
        /// </summary>
        /// <param name="cookieName">Name of the cookie.</param>
        /// <param name="cookieValue">The cookie value.</param>
        /// <param name="isHttpCookie">if set to <c>true</c> [is HTTP cookie].</param>
        public static void WriteCookie(string cookieName, string cookieValue, bool isHttpCookie)
        {
            var aCookie = new HttpCookie(cookieName)
                              {Value = cookieValue, Expires = DateTime.Now.AddDays(1), HttpOnly = isHttpCookie};
            HttpContext.Current.Response.Cookies.Add(aCookie);
        }
 
        /// <summary>
        /// Writes a cookie.
        /// </summary>
        /// <param name="cookieName">Name of the cookie.</param>
        /// <param name="cookieValue">The cookie value.</param>
        /// <param name="isHttpCookie">if set to <c>true</c> [is HTTP cookie].</param>
        /// <param name="cookieExpireDate">The cookie expire date.</param>
        public static void WriteCookie(string cookieName, string cookieValue, bool isHttpCookie, DateTime cookieExpireDate)
        {
            var aCookie = new HttpCookie(cookieName)
                              {Value = cookieValue, Expires = cookieExpireDate, HttpOnly = isHttpCookie};
            HttpContext.Current.Response.Cookies.Add(aCookie);
        }
 
        /// <summary>
        /// Deletes a single cookie.
        /// </summary>
        /// <param name="cookieName">Name of the cookie.</param>
        public static void DeleteCookie(string cookieName)
        {
            var aCookie = new HttpCookie(cookieName) {Expires = DateTime.Now.AddDays(-1)};
           HttpContext.Current.Response.Cookies.Add(aCookie);
        }
 
       

    }
}