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

namespace CSS_Solution.Request
{
    class Get_Index_Result
    {
        public int? id;
        public string? JSESSIONID;
        public string? RND;
        public DateTime dateTime;
        private string? error_info;
        public string Error_info
        {
            get { return error_info ??= ""; }
            set
            {
                error_info = value;
                is_error = true;
            }
        }
        bool is_error;
        public Get_Index_Result(int _id, string jSESSIONID, string rND, DateTime dateTime)
        {
            id = _id;
            JSESSIONID = jSESSIONID;
            RND = rND;
            error_info = "";
            this.dateTime = dateTime;
        }
        public Get_Index_Result(Get_Index get_Index)
        {
            id = get_Index.Get_Id();
            if (get_Index.Get_cookie() == null || get_Index.Get_cookie()?.Count() == 0)
            {
                foreach (Cookie cookie in Initialize.hc_pool.GetHttpClientHandler(Request_Type.get_index).CookieContainer.GetCookies(new Uri("http://sso.jwc.whut.edu.cn/Certification/login.do")))
                    if (cookie.Name == "JSESSIONID")
                        JSESSIONID = cookie.Value;
            }
            else
                JSESSIONID = get_Index.Get_cookie()?.Select(element => new { element.Key, element.Value }).Where(element => element.Key.Equals("JSESSIONID")).First().Value;
            RND = get_Index.Get_rnd();
            dateTime = DateTime.Now;
            error_info = "";
        }
        public Get_Index_Result(string error_info) => Error_info = error_info;
        public bool Wrong_Result() => JSESSIONID == null || RND == null;
        public bool isError() => is_error;
    }
    class Login_Result
    {
        public List<KeyValuePair<string, string>> cookie = new List<KeyValuePair<string, string>>();
        public int? id;
        public string? JSESSIONID;
        public string? CERLOGIN;
        public DateTime dateTime;
        private string? error_info;
        public string Error_info
        {
            get { return error_info ??= ""; }
            set
            {
                error_info = value;
                is_error = true;
            }
        }
        bool is_error;

        public Login_Result(int _id, string jSESSIONID, string cERLOGIN, DateTime dateTime)
        {
            id = _id;
            JSESSIONID = jSESSIONID;
            CERLOGIN = cERLOGIN;
            dateTime = DateTime.Now;
            error_info = "";
            cookie = new List<KeyValuePair<string, string>>();
            cookie.Add(new KeyValuePair<string, string>("JSESSIONID", JSESSIONID));
            cookie.Add(new KeyValuePair<string, string>("CERLOGIN", CERLOGIN));
        }
        public Login_Result(Login login)
        {
            id = login.Get_Id();
            cookie = login.Get_cookie() ?? throw new InvalidOperationException("Cookie of Login is NULL?!");
            for (int i = 0; i < cookie.Count; i++)
                if (cookie[i].Key == "JSESSIONID" || cookie[i].Key == "Path")
                {
                    cookie.RemoveAt(i);
                    i--;
                }
            JSESSIONID = login.Get_JSESSIONID();
            try
            {
                CERLOGIN = cookie?.Select(x => x).Where(element => element.Key.Equals("CERLOGIN")).First().Value;
                cookie?.Add(new KeyValuePair<string, string>("JSESSIONID", JSESSIONID));
            }
            catch (InvalidOperationException)
            {
                if (login.Get_cookie() == null || login.Get_cookie()?.Count == 0)
                    error_info = "Login_failed, Consider account password error!";
            }
            dateTime = DateTime.Now;
            error_info = "";
        }
        public Login_Result(string error_info) => Error_info = error_info;
        public bool Wrong_Result() => JSESSIONID == null || CERLOGIN == null || cookie.Select(x => new { havenull = x.Value == null }).Where(x => x.havenull).Count() > 0;
        public bool isError() => is_error;
        public List<KeyValuePair<string, string>> Get_cookie() => cookie;
    }
    class To_Course_Result
    {
        public List<KeyValuePair<string, string>> cookie = new List<KeyValuePair<string, string>>();
        public int? id;
        public string? JSESSIONID;
        public string? BINGOCLOUDLB;
        public DateTime dateTime;
        private string? error_info;
        public string Error_info
        {
            get { return error_info ??= ""; }
            set
            {
                error_info = value;
                is_error = true;
            }
        }
        bool is_error;
        public To_Course_Result(int _id,string jSESSIONID,string bINGOCLOUDLB,DateTime dateTime) 
        {
            id = _id;
            JSESSIONID = jSESSIONID;
            BINGOCLOUDLB = bINGOCLOUDLB;
            error_info = "";
            this.dateTime = dateTime;
        }
        public To_Course_Result(To_Course to_Course)
        {
            id = to_Course.get_ID();
            cookie = to_Course.Get_cookie() ?? throw new InvalidOperationException("Cookie of ToCourse is NULL?!");
            JSESSIONID = cookie?.Select(x => x).Where(element => element.Key.Equals("JSESSIONID")).First().Value;
            BINGOCLOUDLB = cookie?.Select(x => x).Where(element => element.Key.Equals("BINGOCLOUDLB")).First().Value;
            dateTime = DateTime.Now;
            error_info = "";
        }
        public To_Course_Result(string error_info) => Error_info = error_info;
        public bool Wrong_Result() => JSESSIONID == null || BINGOCLOUDLB == null || cookie.Select(x => new { havenull = x.Value == null }).Where(x => x.havenull).Count() > 0;
        public bool isError() => is_error;
        public List<KeyValuePair<string, string>> Get_cookie() => cookie;

    }
}