using System;
using System.Collections.Generic;
using System.Data;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Net.Http;
using System.Security.Cryptography;
using System.ServiceModel;
using System.Text;
using log4net;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Configuration;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using WebPortal.Extensions;
using WebPortal.Models;
using WebService;

namespace WebPortal.Controllers
{
    public class BaseController : Controller
    {

        private readonly ILog log = LogManager.GetLogger(typeof(BaseController));
        private readonly IWebHostEnvironment webHostEnvironment;

        protected IConfiguration configuration;

        public static String CountryCode = "";
        public static int numWs = 0;
        //public static String FacebookAppId = "";
        //public static String FacebookShareHref = "";
        public static String channel = "";
        public static String serviceId = "";
        public static String RootHref = "";
        public static String wsUser = "";
        public static String wsPassword = "";
        public static String wsUrl1 = "";
        public static String wsLoginFail1 = "";
        public static String wsSubUser = "";
        public static String wsSubPassword = "";
        public static int coin1Spin = 5;
        public static int testMode = 0;
        public static String wsLoad = "";
        public static int enableCounter = 0;
        // Top no
        public static String TopNo0 = "";
        public static String TopNo1 = "";
        public static String TopNoUrl = "";

        private Random ran = new Random();
        private WsWebPortalClient wsClient = new WsWebPortalClient(); 

        private static readonly object syncLock = new object();
        private static readonly object syncCounter = new object();
        public static List<string> listMsisdn = new List<string>();


        public static DateTime? lastReload = null;
        public static int reloadPeriod = 120;

        //public static String CountryCode = ConfigurationManager.AppSettings["countryCode"];
        //public static int numWs = int.Parse(ConfigurationManager.AppSettings["numWs"]);
        //public static String FacebookAppId = ConfigurationManager.AppSettings["FacebookAppId"];
        //public static String channel = ConfigurationManager.AppSettings["channel"];
        //public static String serviceId = ConfigurationManager.AppSettings["serviceId"];

        public static String CaptchaSiteKey;// = ConfigurationManager.AppSettings["recaptchaPublicKey"];
        public static String CaptchaSecretKey;// = ConfigurationManager.AppSettings["recaptchaPrivateKey"];

        public BaseController() { }
        public BaseController(IConfiguration _configuration, IWebHostEnvironment hostEnvironment)
        {
            configuration = _configuration;
            webHostEnvironment = hostEnvironment;
            // load config
            CountryCode = configuration["countryCode"];
            numWs = int.Parse(configuration["numWs"]);
            try
            {
                enableCounter = int.Parse(configuration["enableCounter"]);
            }
            catch
            {
                enableCounter = 0;
            }
            //FacebookAppId = configuration["FacebookAppId"];
            //FacebookShareHref = configuration["FacebookShareHref"];
            channel = configuration["channel"];
            serviceId = configuration["serviceId"];
            wsUser = configuration["wsUser"];
            wsPassword = configuration["wsPassword"];
            wsUrl1 = configuration["wsUrl1"];
            wsLoginFail1 = configuration["wsLoginFail1"];
            //RootHref = configuration["RootHref"];
            //coin1Spin = int.Parse(configuration["coin1Spin"]);
            testMode = int.Parse(configuration["testMode"]);
            CaptchaSiteKey = configuration["recaptchaPublicKey"];
            CaptchaSecretKey = configuration["recaptchaPrivateKey"];
            wsSubUser = configuration["wsSubUser"];
            wsSubPassword = configuration["wsSubPassword"];
            wsLoad = configuration["wsUrl1"];
            reloadPeriod = int.Parse(configuration["reloadPeriod"]);
            //
            TopNo0 = configuration["TopNo0"];
            TopNo1 = configuration["TopNo1"];
            TopNoUrl = configuration["TopNoUrl"];
        }

        private static productObj[] hotPromotion;

        public static productObj[] GetHotPromotion()
        {
            if (hotPromotion != null)
            {
                return hotPromotion;
            }
            WsWebPortalClient wsClient = new WsWebPortalClient();
            wsClient.Endpoint.Address = new EndpointAddress(wsLoad);
            string lang = CultureInfo.CurrentCulture.Name.ToUpper() == "EN" ? "1" : "0";
            wsLoadProductRequest wsRequest = new wsLoadProductRequest(
                         BaseController.wsUser,
                         BaseController.wsPassword,
                         null,
                         null,
                         "1",
                         "3",
                         "2",
                         "1",
                         null,
                         lang);
            var wsResponse = wsClient.wsLoadProduct(wsRequest);
            hotPromotion = wsResponse.@return.listProduct;
            return hotPromotion;
        }

        protected void LoadBanner(WsWebPortalClient wsClient, String type, String status)
        {
            ViewBag.productType = type;
            // load banner
            SetWsClient(ref wsClient);
            wsLoadBannerByCodeRequest wsRequest = new wsLoadBannerByCodeRequest(
                BaseController.wsUser,
                BaseController.wsPassword,
                "BANNER_" + type,
                "1",
                "12",
                status,
                DateTime.Now.ToString("dd/MM/yyyy HH:mm:ss"),
                DateTime.Now.ToString("dd/MM/yyyy HH:mm:ss"),
                getCurrentLang());
            var wsResponse = wsClient.wsLoadBannerByCode(wsRequest);
            if (wsResponse.@return.listBanner != null)
            {
                HttpContext.Session.SetComplexData("listBanner", wsResponse.@return.listBanner);
            }
        }

        public String GetParameter(String key)
        {
            return configuration.GetSection(key).Value;
        }

        public String GetParameter(String parentKey, String key)
        {
            var configs = configuration.GetSection(parentKey).GetChildren();
            foreach (IConfiguration config in configs)
            {
                if (config[key] != null)
                {
                    return config[key];
                }
            }
            return "";
        }

        public string RandomString(int size, bool lowerCase)
        {
            StringBuilder builder = new StringBuilder();
            Random random = new Random();
            char ch;
            for (int i = 0; i < size; i++)
            {
                ch = Convert.ToChar(Convert.ToInt32(Math.Floor(26 * random.NextDouble() + 65)));
                builder.Append(ch);
            }
            if (lowerCase)
                return builder.ToString().ToLower();
            return builder.ToString();
        }

        protected string convertToDateTimeServer(String date)
        {
            // date: 
            DateTime oDateFrom = DateTime.Parse(date);
            string hour = oDateFrom.Hour < 10 ? "0" + oDateFrom.Hour : oDateFrom.Hour.ToString();
            string minute = oDateFrom.Minute < 10 ? "0" + oDateFrom.Minute : oDateFrom.Minute.ToString();
            string second = oDateFrom.Second < 10 ? "0" + oDateFrom.Second : oDateFrom.Second.ToString();
            string month = oDateFrom.Month < 10 ? "0" + oDateFrom.Month : oDateFrom.Month.ToString();
            string day = oDateFrom.Day < 10 ? "0" + oDateFrom.Day : oDateFrom.Day.ToString();
            string fromCheck = day + "/" + month + "/" + oDateFrom.Year + " " + hour + ":" + minute + ":" + second;
            return fromCheck; //MM/dd/yyyy HH24:mm:ss
        }

        protected void CreateAuthToken(String account, Object userObj)
        {
            // create session authen
            // Create the random value we will use to secure the session.
            string authId = GenerateAuthId();

            // Store the value in both our Session and a Cookie.
            HttpContext.Session.SetString("AuthorizationCookieId", authId);
            string sessionValue = HttpContext.Session.GetString("AuthorizationCookieId");
            //CookieOptions option = new CookieOptions
            //{
            //    Expires = DateTime.Now.AddMinutes(1)
            //};
            //Response.Cookies.Append("Key Name", "Value", option);
            CookieOptions options = new CookieOptions()
            {
                //Path = "/",
                //HttpOnly = true,
                //Secure = false,
                //SameSite = SameSiteMode.None
                Expires = DateTime.Now.AddMinutes(60)
            };
            HttpContext.Response.Cookies.Append("AuthorizationCookie", authId, options);
            string cookieValue = HttpContext.Request.Cookies["AuthorizationCookie"];


            HttpContext.Session.SetString("account", account);
            HttpContext.Session.SetComplexData("userInfo", userObj);
        }

        protected bool ClearCache()
        {
            HttpContext.Session.Clear();
            foreach (var cookieKey in HttpContext.Request.Cookies.Keys)
            {
                HttpContext.Response.Cookies.Delete(cookieKey);
            }
            return true;
        }

        private string GenerateAuthId()
        {
            using (RandomNumberGenerator rng = new RNGCryptoServiceProvider())
            {
                byte[] tokenData = new byte[32];
                rng.GetBytes(tokenData);
                return Convert.ToBase64String(tokenData);
            }
        }

        public void SetWsClient(ref WsWebPortalClient wsClient, String sessionId)
        {
            int lastNum = sessionId[sessionId.Length - 1];
            int wsId = lastNum % numWs + 1;
            wsClient.Endpoint.Address = new EndpointAddress(configuration["wsUrl" + wsId]);
        }

        public void SetWsClient(ref WsWebPortalClient wsClient)
        {
            int wsId = ran.Next(1, numWs);
            wsClient.Endpoint.Address = new EndpointAddress(configuration["wsUrl" + wsId]);
        }

        public String validateMsisdn(String input)
        {
            if (input == null || input.Length == 0)
            {
                return "";
            }

            // check is number
            try
            {
                input = long.Parse(input) + "";
            }
            catch
            {
                return "";
            }
            //
            if (input.StartsWith("0"))
            {
                input = CountryCode + input.Substring(1);
            }
            else if (!input.StartsWith(CountryCode))
            {
                input = CountryCode + input;
            }

            if (!input.StartsWith(CountryCode + "75") && !input.StartsWith(CountryCode + "76"))
            {
                return "";
            }

            if (input.Length != 11)
            {
                return "";
            }

            return input.Trim();
        }

        public static String getCurrentLang()
        {
            if (CultureInfo.CurrentCulture.Name.ToUpper() == "EN")
            {
                return "1";
            }
            return "0";
        }
        public String getCurrentLangTxt()
        {
            if (CultureInfo.CurrentCulture.Name.ToUpper() == "EN")
            {
                return "en";
            }
            return "te";
        }

        public class WsType
        {
            //public const String MochaMsisdn = "urlMochaMsisdn";
            //public const String LaoAppLogin = "laoAppUrlLogin";
            //public const String LaoAppVerify = "laoAppUrlVerify";
            //public const String LaoAppFind = "laoAppUrlFind";
            public const String wsLoadVoucher = "wsLoadVoucher";
            public const String wsGetLoyaltyInfo = "wsGetLoyaltyInfo";
        }

        private String GetWsClient(String type)
        {
            return configuration[type];
        }

        public String SendPost(log4net.ILog log, Object obj, String type)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("Send post " + type + ": ").Append("\n");
            sb.Append("\tRequest:" + JsonConvert.SerializeObject(obj)).Append("\n");
            String result = SendPost(obj, type);
            sb.Append("\tResponse:" + result);
            log.Info(sb);
            return result;
        }
        public String SendPost(Object obj, String type)
        {
            var json = JsonConvert.SerializeObject(obj);
            var data = new StringContent(json, Encoding.UTF8, "application/json");

            var url = GetWsClient(type);
            using (var client = new HttpClient())
            {
                var response = client.PostAsync(url, data).Result;

                if (response.IsSuccessStatusCode)
                {
                    var responseContent = response.Content;

                    // by calling .Result you are synchronously reading the result
                    string responseString = responseContent.ReadAsStringAsync().Result;

                    return responseString;
                }
                else
                {
                    try
                    {
                        var responseContent = response.Content;
                        string responseString = responseContent.ReadAsStringAsync().Result;
                        return responseString;
                    }
                    catch
                    {
                        return response.StatusCode.ToString();
                    }
                }
            }
        }


        public String SendPostParam(log4net.ILog log, Object obj, String type)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("Send post param " + type + ": ").Append("\n");
            sb.Append("\tRequest:" + JsonConvert.SerializeObject(obj)).Append("\n");
            String result = SendPostParam(obj, type);
            sb.Append("\tResponse:" + result);
            log.Info(sb);
            return result;
        }
        public String SendPostParam(Object obj, String type)
        {
            //var json = JsonConvert.SerializeObject(obj);
            //var data = new StringContent(json, Encoding.UTF8, "application/json");

            var url = GetWsClient(type) + AppendUrlParam(obj);
            using (var client = new HttpClient())
            {
                var response = client.PostAsync(url, null).Result;
                if (response.IsSuccessStatusCode)
                {
                    var responseContent = response.Content;
                    // by calling .Result you are synchronously reading the result
                    string responseString = responseContent.ReadAsStringAsync().Result;
                    return responseString;
                }
                else
                {
                    try
                    {
                        var responseContent = response.Content;
                        string responseString = responseContent.ReadAsStringAsync().Result;
                        return responseString;
                    }
                    catch
                    {
                        return response.StatusCode.ToString();
                    }
                }

            }
        }

        public String SendGetHeader(ILog log, Object obj, Dictionary<String, String> headers, String type)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("Send get " + type + ": ").Append("\n");
            sb.Append("\tRequest:" + JsonConvert.SerializeObject(obj)).Append("\n");
            sb.Append("\tHeaders:").Append("\n");
            foreach (var key in headers.Keys)
            {
                sb.Append(key + "=" + headers[key] + "\n");
            }
            String result = SendGetHeader(obj, headers, type);
            sb.Append("\tResponse:" + result);
            log.Info(sb);
            return result;
        }
        public String SendGetHeader(Object obj, Dictionary<String, String> headers, String type)
        {
            //var json = JsonConvert.SerializeObject(obj);
            var url = GetWsClient(type) + AppendUrlParam(obj);
            using (var client = new HttpClient())
            {
                if (headers != null)
                {
                    foreach (String key in headers.Keys)
                    {
                        client.DefaultRequestHeaders.Add(key, headers[key]);
                    }
                }
                var response = client.GetAsync(url).Result;

                if (response.IsSuccessStatusCode)
                {
                    var responseContent = response.Content;

                    // by calling .Result you are synchronously reading the result
                    string responseString = responseContent.ReadAsStringAsync().Result;

                    return responseString;
                }
                else
                {
                    try
                    {
                        var responseContent = response.Content;
                        string responseString = responseContent.ReadAsStringAsync().Result;
                        return responseString;
                    }
                    catch
                    {
                        return response.StatusCode.ToString();
                    }
                }

            }
        }


        public String SendPostHeader(ILog log, Object obj, Dictionary<String, String> headers, String type)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("Send post header " + type + ": ").Append("\n");
            sb.Append("\tRequest:" + JsonConvert.SerializeObject(obj)).Append("\n");
            sb.Append("\tHeaders:").Append("\n");
            foreach (var key in headers.Keys)
            {
                sb.Append(key + "=" + headers[key] + "\n");
            }
            String result = SendPostHeader(obj, headers, type);
            sb.Append("\tResponse:" + result);
            log.Info(sb);
            return result;
        }
        public String SendPostHeader(Object obj, Dictionary<String, String> headers, String type)
        {
            var json = JsonConvert.SerializeObject(obj);
            var data = new StringContent(json, Encoding.UTF8, "application/json");

            var url = GetWsClient(type);
            using (var client = new HttpClient())
            {
                foreach (String key in headers.Keys)
                {
                    client.DefaultRequestHeaders.Add(key, headers[key]);
                }
                var response = client.PostAsync(url, data).Result;

                if (response.IsSuccessStatusCode)
                {
                    var responseContent = response.Content;

                    // by calling .Result you are synchronously reading the result
                    string responseString = responseContent.ReadAsStringAsync().Result;

                    return responseString;
                }
                else
                {
                    try
                    {
                        var responseContent = response.Content;
                        string responseString = responseContent.ReadAsStringAsync().Result;
                        return responseString;
                    }
                    catch
                    {
                        return response.StatusCode.ToString();
                    }
                }

            }
        }

        public String AppendUrlParam(Object obj)
        {
            Type type = obj.GetType();
            String append = "?";

            foreach (var f in type.GetProperties())
            {
                append += f.Name + "=" + f.GetValue(obj) + "&";
            }
            return append.Substring(0, append.Length - 1);
        }

        public String DetectMsisdn()
        {
            string msisdn = null;
            // get header
            //foreach (var header in Request.Headers)
            //{
            //    if (header.Key.Trim().ToUpper() == "X-UP-CALLING-LINE-ID")
            //    {
            //        msisdn = header.Value;
            //        log.Info("MSISDN: " + msisdn);
            //        return msisdn;
            //    }
            //}
            if (msisdn == null)
            {
                msisdn = Request.Query["isdn"];
            }
            ViewBag.msisdn = msisdn;
            return msisdn;
        }
        public String DetectMsisdn(WsWebPortalClient wsClient)
        {
            string ipAddress = "";
            string msisdn = null;
            // get header
            log.Info("Header:");
            foreach (var header in Request.Headers)
            {
                log.Info(header.Key + "=" + header.Value);
                if (header.Key.Trim().ToUpper() == "X-FORWARDED-FOR")
                {
                    //10.234.94.250 , 103.238.116.58
                    ipAddress = header.Value.ToString().Split(",", StringSplitOptions.RemoveEmptyEntries)[0].Trim();
                    log.Info("IPADDRESS: " + ipAddress);
                }
                if (header.Key.Trim().ToUpper() == "X-UP-CALLING-LINE-ID")
                {
                    msisdn = header.Value;
                    log.Info("MSISDN: " + msisdn);
                }
            }

            // detect msisdn
            if (ipAddress != "")
            {
                wsGetMsisdnFromIpRequest req = new wsGetMsisdnFromIpRequest(wsUser, wsPassword, ipAddress);
                string phoneNumber = wsClient.wsGetMsisdnFromIp(req).@return.content;
                if (phoneNumber != null && phoneNumber != "")
                {
                    phoneNumber = validateMsisdn(phoneNumber);
                    if (phoneNumber == msisdn)
                    {
                        CreateAuthToken(phoneNumber, null);
                        return msisdn;
                    }
                }
            }
            return null;
        }
         

    }
}