using NEducation.Models;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Net.Http;
using System.ServiceModel;
using System.Text;
using System.Web;
using System.Web.Mvc;
using NEducation.Code;

// FOR COMMON VIEW -> USABLE VIEWS
namespace NEducation.Controllers
{
    public class CommonController : Controller
    {

        // GET: Common
        public ActionResult Index()
        {
            String courseType = Session["courseType"] as String;
            switch (courseType)
            {
                case "1": // voca
                    return Redirect("/Voca");
                case "2": // grammar
                    return Redirect("/Grammar");
                case "3": // Listening
                    return Redirect("/Listening");
                case "4": // Music
                    return Redirect("/Music");
            }

            Session["courseType"] = "1";
            return Redirect("/Home");
        }

        public ActionResult Error()
        {
            return View();
        }

        //public JsonResult CheckAnswer(string questionId, string customerAnswer, string correctAnswer)
        public JsonResult CheckAnswer(string questionId, string customerAnswer)
        {
            //int count = int.Parse(Session["correctCount"].ToString());
            // get correct answer from server
            var correctAnswer = "";
            var testingType = Session["modelTestingType"] as string;
            if (testingType == "grammar")
            {
                GrammarModel model = Session["model"] as GrammarModel;
                for (int i = 0; i < model.questions.Count; i++)
                {
                    if (questionId == model.questions[i].id)
                    {
                        correctAnswer = model.questions[i].answerTrue;
                    }
                }
            }
            else if (testingType == "vocab")
            {
                VocabularyModel model = Session["model"] as VocabularyModel;
                for (int i = 0; i < model.questions.Count; i++)
                {
                    if (questionId == model.questions[i].id)
                    {
                        correctAnswer = model.questions[i].answerTrue;
                    }
                }
            }
            else if (testingType == "listen")
            {
                ListeningModel model = Session["model"] as ListeningModel;
                for (int i = 0; i < model.questions.Count; i++)
                {
                    if (questionId == model.questions[i].id)
                    {
                        correctAnswer = model.questions[i].answerTrue;
                    }
                }
            }

            var listAnswers = customerAnswer.Split(',');
            var listCorrect = correctAnswer.Split(',');
            // compares 2 lists
            var check = 1;
            if (listAnswers.Length == listCorrect.Length)
            {
                for (int i = 0; i < listAnswers.Length; i++)
                {
                    if (listCorrect.Contains(listAnswers[i]))
                    {
                        check *= 1;
                    }
                    else
                    {
                        check *= 0;
                    }
                }
            }
            if (check == 1)
            {
                //count = count + 1;
                //Session["correctCount"] = count;
                return Json(new
                {
                    correct = 1,
                    result = correctAnswer
                });
            }
            else
            {
                return Json(new
                {
                    correct = 0,
                    result = correctAnswer
                });
            }
        }

        public ActionResult EditTestResult(string dataAnswer)
        {
            var result = JsonConvert.DeserializeObject<DataResult>(dataAnswer);
            int countWrong = 0;
            int countCorrect = 0;
            int time = 0;
            foreach (AnswerGuess answer in result.answerGuess)
            {
                time += answer.time;
                if (answer.isRight == 1)
                {
                    countCorrect++;
                }
                else
                {
                    countWrong++;
                }
            }
            //ViewBag.courseName = Session["courseName"] as String;
            //ViewBag.lessonName = Session["lessonName"] as String;
            //ViewBag.time = time;
            //ViewBag.correct = countCorrect;
            //ViewBag.wrong = countWrong;
            //ViewBag.percent = Math.Round((decimal)countCorrect * 100 / result.total);

            System.Diagnostics.Debug.WriteLine("dataAnswer: " + dataAnswer);


            TestingResult testingResult = new TestingResult();
            testingResult.courseName = Session["courseName"] as String;
            testingResult.lessonName = Session["lessonName"] as String;
            testingResult.timeElapsed = time;
            testingResult.countCorrect = countCorrect;
            testingResult.countWrong = countWrong;
            testingResult.countTotal = result.total;
            testingResult.percent = (int)Math.Round((decimal)countCorrect * 100 / result.total);
            Session["testingResult"] = testingResult;

            System.Diagnostics.Debug.WriteLine("result: " + result);

            Code.QuestionResult questionResult = new Code.QuestionResult();
            questionResult.LESSON_ID = Session["lessonId"] as String;
            questionResult.users = Session["msisdn"] as String;
            questionResult.msisdn = Session["msisdn"] as String;
            questionResult.ANSWER_LIST = new List<Code.AnswerResult>();

            for (int i = 0; i < result.answerGuess.Length; i++)
            {
                Code.AnswerResult answer = new Code.AnswerResult();
                answer.QUESTION_ID = result.answerGuess[i].questionId;
                answer.RESULT = result.answerGuess[i].isRight.ToString();
                answer.TIME = time.ToString();
                answer.ANSWER = result.answerGuess[i].pos == "1" ? "A" :
                                                                    result.answerGuess[i].pos == "2" ? "B" :
                                                                    result.answerGuess[i].pos == "3" ? "C" : "D";
                questionResult.ANSWER_LIST.Add(answer);
                System.Diagnostics.Debug.WriteLine("answer: " + answer);
            }

            // update test result for ranking
            //String wsUser = ConfigurationManager.AppSettings["wsUser"];
            //String wsPassword = ConfigurationManager.AppSettings["wsPassword"];
            //String msisdn = Session["msisdn"] as String;
            //NEduService.WsNEduClient wsClient = new NEduService.WsNEduClient();
            //UtilsController.SetWsClient(ref wsClient, Session.SessionID);
            //wsClient.wsUpdateTestResult(wsUser, wsPassword, msisdn, testingResult.percent + "", lessonId);

            //UserRequest userRequest = new UserRequest();
            //if (Session["msisdn"] == null) userRequest.users = null;
            //else userRequest.users = Session["msisdn"] as string;
            //userRequest.lessonId = lessonId;

            String rs = UtilsController.SendPost(questionResult, Session.SessionID, UtilsController.WsType.GetAnsweerOfQuestion);
            System.Diagnostics.Debug.WriteLine("res: " + rs);

            //ListLessonData lessons = new ListLessonData(rs);
            //Session["questions"] = lessons;
            //model.questions = lessons.questions;
            //System.Diagnostics.Debug.WriteLine(model.questions);

            return Content("1");

        }

        //public JsonResult 


        // get all courses of this catogory type 
        public ActionResult Course(String courseType, String searchname)
        {
            if (CheckAuthToken())
            {
                CourseModel model = new CourseModel();

                UserRequest userRequest = new UserRequest();
                if (Session["msisdn"] == null) userRequest.users = null;
                else userRequest.users = Session["msisdn"] as string;
                userRequest.categoryCode = UtilsController.GetCategoryCode(courseType);
                System.Diagnostics.Debug.WriteLine("Choose: " + UtilsController.GetCategoryCode(courseType));

                Session["courseType"] = courseType;

                // get all lessions => course => category of each tenor
                // tenor is a list of vocabulary + listening + writing
                String rs = UtilsController.SendPost(userRequest, Session.SessionID, UtilsController.WsType.GetLessonOfCategory);


                UserActionResult res = new UserActionResult(rs);
                if (res.status == "0")
                {
                    Tenor tenor = new Tenor(rs);
                    Session["tenor"] = tenor;
                    model.courseType = courseType;
                    // a list category always has one category
                    // pass all category info and all courses to CourseView
                    model.category = tenor.listCategory[0];
                    //System.Diagnostics.Debug.WriteLine(tenor.listCategory[0].listCourse[0].listLesson);

                    return View("CourseView", model);
                }
                else
                {
                    return View("Error");
                }
            }
            else
            {
                Session.Clear();
                return Redirect("/Home/Index");
            }
        }

        // get all lession of this courses
        public ActionResult Lesson(String courseId, String courseType)
        {
            if (CheckAuthToken())
            {
                System.Diagnostics.Debug.WriteLine("common courseId " + courseId + " courseType: " + courseType
                              + " category " + UtilsController.GetCategoryCode(courseType));

                // save courseId
                if (courseId != null)
                    Session["courseId"] = courseId;

                // get all lessions from course
                LessonModel model = new LessonModel();
                model.courseType = courseType != null ? courseType : Session["courseType"] as String;
                // convert to tenor that contains all categories
                Tenor tenor;
                // courseType != null => request from /Individual
                // courseType == null => request from /Common/Course
                if (courseType != null)
                {
                    UserRequest userRequest = new UserRequest();
                    if (Session["msisdn"] == null) userRequest.users = null;
                    else userRequest.users = Session["msisdn"] as string;
                    userRequest.categoryCode = UtilsController.GetCategoryCode(courseType);

                    // get all lessions => course => category of each tenor
                    // tenor is a list of vocabulary + listening + writing
                    String rs = UtilsController.SendPost(userRequest, Session.SessionID, UtilsController.WsType.GetLessonOfCategory);
                    UserActionResult res = new UserActionResult(rs);
                    if (res.status == "0")
                    {
                        tenor = new Tenor(rs);
                        Session["tenor"] = tenor;
                    }
                    else
                    {
                        return Redirect("/Common/Error");
                    }
                }
                else
                {
                    tenor = Session["tenor"] as Tenor;
                }
                // get category in a list
                Category category = tenor.listCategory[0];
                // get a course by course id from category
                for (int i = 0; i < category.listCourse.Count; i++)
                {
                    //System.Diagnostics.Debug.WriteLine(i + " " + category.listCourse[i]);

                    if (category.listCourse[i].id == Session["courseId"] as string)
                    {
                        model.course = category.listCourse[i];
                        System.Diagnostics.Debug.WriteLine("common course: " + model.course);
                    }
                }
                if (model.course != null)
                    return View("LessonView", model);
                else
                    return Redirect("/Common/Error");
            }
            else
            {
                Session.Clear();
                return Redirect("/Home/Index");
            }

        }

        private bool CheckAuthToken()
        {
            if (Session["AuthToken"] != null && Request.Cookies["AuthToken"] != null)
            {
                if (!Session["AuthToken"].ToString().Equals(Request.Cookies["AuthToken"].Value))
                {
                    return false;
                }
                else
                {
                    return true;
                }
            }
            else
            {
                return false;
            }
        }
    }
}