using System;
using System.Collections.Generic;
using System.Data;
using System.Data.Entity;
using System.Linq;
using System.Net;
using System.Web;
using System.Web.Mvc;
using Church.Net.DAL.EF;
using Church.Net.Entity;

namespace Chruch.Net.Areas.English.Controllers
{
    public class VocabulariesController : Controller
    {
        private ChurchNetContext db = new ChurchNetContext();

        // GET: English/Vocabularies
        public ActionResult Index()
        {
            var query = db.Vocabulary.Where(v => v.PracticeStage !=Enumeration.PracticeStage.FlashCard);

            return View(query.OrderBy(v => v.PracticeStage).ThenByDescending(v=>v.InsertDate).ToList());
        }

        // GET: English/Vocabularies/Details/5
        public ActionResult Details(int? id)
        {
            if (id == null)
            {
                return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
            }
            Vocabulary vocabulary = db.Vocabulary.Find(id);
            if (vocabulary == null)
            {
                return HttpNotFound();
            }
            return View(vocabulary);
        }

        // GET: English/Vocabularies/Create
        public ActionResult Create()
        {
            return View();
        }

        // POST: English/Vocabularies/Create
        // 若要免於過量張貼攻擊，請啟用想要繫結的特定屬性，如需
        // 詳細資訊，請參閱 https://go.microsoft.com/fwlink/?LinkId=317598。
        [HttpPost]
        [ValidateAntiForgeryToken]
        public ActionResult Create(Vocabulary vocabulary)
        {
            if (ModelState.IsValid)
            {
                vocabulary.Word = vocabulary.Word.ToLower();
                vocabulary.Word = vocabulary.Word.Substring(0, 1).ToUpper() + vocabulary.Word.Substring(1, vocabulary.Word.Length - 1);

                vocabulary.InsertDate = DateTime.Now;
                vocabulary.PracticeDate = DateTime.Now;
                vocabulary.PracticeStage = Enumeration.PracticeStage.Select;
                if (vocabulary.PartOfSpeech == Enumeration.PartsOfSpeech.Verbs)
                {
                    vocabulary.VerbPast = vocabulary.Word + "ed";
                    vocabulary.VerbParticiple = vocabulary.Word + "ed";
                }


                db.Vocabulary.Add(vocabulary);
                db.SaveChanges();
                return RedirectToAction("Create");
            }

            return View(vocabulary);
        }





        public ActionResult Memorized()
        {
            Vocabulary vocabulary;
            vocabulary = db.Vocabulary.FirstOrDefault(v => v.PracticeDate <= DateTime.Today && (v.PracticeStage == Enumeration.PracticeStage.Select || v.PracticeStage == Enumeration.PracticeStage.Memorized));
            if (vocabulary != null)
            {
                vocabulary.PracticeTimes = 5;
                return View(vocabulary);
            }
            else
            {
                return RedirectToAction("Index");
            }
        }

        // POST: English/Vocabularies/Create
        // 若要免於過量張貼攻擊，請啟用想要繫結的特定屬性，如需
        // 詳細資訊，請參閱 https://go.microsoft.com/fwlink/?LinkId=317598。
        public ActionResult MemorizedNext(int id)
        {
            Vocabulary vocabulary;
            vocabulary = db.Vocabulary.First(v => v.Id == id);
            vocabulary.PracticeDate = DateTime.Now;
            vocabulary.PracticeStage = Enumeration.PracticeStage.Visualize;

            db.Entry(vocabulary).State = EntityState.Modified;
            db.SaveChanges();
            return RedirectToAction("Memorized");
        }

        public ActionResult Visualize()
        {
            Vocabulary vocabulary;
            vocabulary = db.Vocabulary.FirstOrDefault(v => v.PracticeDate <= DateTime.Today && v.PracticeStage ==Enumeration.PracticeStage.Visualize);
            if (vocabulary != null)
            {
                vocabulary.PracticeTimes = 3;
                return View(vocabulary);
            }
            else
            {
                return RedirectToAction("Index");
            }
        }

        // POST: English/Vocabularies/Create
        // 若要免於過量張貼攻擊，請啟用想要繫結的特定屬性，如需
        // 詳細資訊，請參閱 https://go.microsoft.com/fwlink/?LinkId=317598。
        public ActionResult VisualizeNext(int id)
        {
            Vocabulary vocabulary;
            vocabulary = db.Vocabulary.First(v => v.Id == id);
            vocabulary.PracticeDate = DateTime.Now;
            vocabulary.PracticeStage = vocabulary.PracticeStage + 1;

            db.Entry(vocabulary).State = EntityState.Modified;
            db.SaveChanges();
            return RedirectToAction("Visualize");
        }


        public ActionResult Apply()
        {
            Vocabulary vocabulary;
            vocabulary = db.Vocabulary.FirstOrDefault(v => v.PracticeDate <= DateTime.Today && v.PracticeStage==Enumeration.PracticeStage.Apply);
            if (vocabulary != null)
            {
                vocabulary.PracticeTimes = 2;
                return View(vocabulary);
            }
            else
            {
                return RedirectToAction("Index");
            }
        }

        // POST: English/Vocabularies/Create
        // 若要免於過量張貼攻擊，請啟用想要繫結的特定屬性，如需
        // 詳細資訊，請參閱 https://go.microsoft.com/fwlink/?LinkId=317598。
        public ActionResult ApplyNext(Vocabulary model)
        {
            Vocabulary vocabulary;
            vocabulary = db.Vocabulary.First(v => v.Id == model.Id);
            vocabulary.PracticeDate = DateTime.Now;
            vocabulary.PracticeStage = vocabulary.PracticeStage + 1;
            vocabulary.PracticeSentence = model.PracticeSentence;
            db.Entry(vocabulary).State = EntityState.Modified;
            db.SaveChanges();
            return RedirectToAction("Apply");
        }


        public ActionResult Review()
        {
            Vocabulary vocabulary;
            vocabulary = db.Vocabulary.FirstOrDefault(v => v.PracticeDate <= DateTime.Today && v.PracticeStage == Enumeration.PracticeStage.Review);
            if (vocabulary != null)
            {
                vocabulary.PracticeTimes = 1;
                return View(vocabulary);
            }
            else
            {
                return RedirectToAction("Index");
            }
        }

        // POST: English/Vocabularies/Create
        // 若要免於過量張貼攻擊，請啟用想要繫結的特定屬性，如需
        // 詳細資訊，請參閱 https://go.microsoft.com/fwlink/?LinkId=317598。
        public ActionResult ReviewNext(int id)
        {
            Vocabulary vocabulary;
            vocabulary = db.Vocabulary.First(v => v.Id == id);
            vocabulary.PracticeDate = DateTime.Now;
            vocabulary.PracticeStage = vocabulary.PracticeStage + 1;

            db.Entry(vocabulary).State = EntityState.Modified;
            db.SaveChanges();
            return RedirectToAction("Review");
        }
        public ActionResult ReviewRepracticeNext(int id)
        {
            Vocabulary vocabulary;
            vocabulary = db.Vocabulary.First(v => v.Id == id);
            vocabulary.PracticeDate = DateTime.Now;
            vocabulary.PracticeStage = Enumeration.PracticeStage.Select;

            db.Entry(vocabulary).State = EntityState.Modified;
            db.SaveChanges();
            return RedirectToAction("Review");
        }
        // GET: English/Vocabularies/Edit/5
        public ActionResult Edit(int? id)
        {
            if (id == null)
            {
                return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
            }
            Vocabulary vocabulary = db.Vocabulary.Find(id);
            if (vocabulary == null)
            {
                return HttpNotFound();
            }
            return View(vocabulary);
        }

        // POST: English/Vocabularies/Edit/5
        // 若要免於過量張貼攻擊，請啟用想要繫結的特定屬性，如需
        // 詳細資訊，請參閱 https://go.microsoft.com/fwlink/?LinkId=317598。
        [HttpPost]
        [ValidateAntiForgeryToken]
        public ActionResult Edit(Vocabulary vocabulary)
        {
            if (ModelState.IsValid)
            {
                vocabulary.Word = vocabulary.Word.ToLower();
                vocabulary.Word = vocabulary.Word.Substring(0, 1).ToUpper() + vocabulary.Word.Substring(1, vocabulary.Word.Length - 1);
                db.Entry(vocabulary).State = EntityState.Modified;
                db.SaveChanges();
                return RedirectToAction("Index");
            }
            return View(vocabulary);
        }

        // GET: English/Vocabularies/Delete/5
        public ActionResult Delete(int? id)
        {
            if (id == null)
            {
                return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
            }
            Vocabulary vocabulary = db.Vocabulary.Find(id);
            if (vocabulary == null)
            {
                return HttpNotFound();
            }
            return View(vocabulary);
        }

        // POST: English/Vocabularies/Delete/5
        [HttpPost, ActionName("Delete")]
        [ValidateAntiForgeryToken]
        public ActionResult DeleteConfirmed(int id)
        {
            Vocabulary vocabulary = db.Vocabulary.Find(id);
            db.Vocabulary.Remove(vocabulary);
            db.SaveChanges();
            return RedirectToAction("Index");
        }




        public ActionResult FlashCard()
        {
            Vocabulary vocabulary;
            vocabulary = db.Vocabulary.OrderBy(v=>v.FlashCardTimes).FirstOrDefault(v => v.PracticeStage == Enumeration.PracticeStage.FlashCard);
            if (vocabulary != null)
            {
                return View(vocabulary);
            }
            else
            {
                return RedirectToAction("Index");
            }
        }
        
        public ActionResult FlashCardNext(int id)
        {
            Vocabulary vocabulary;
            vocabulary = db.Vocabulary.First(v => v.Id == id);
            vocabulary.PracticeDate = DateTime.Now;
            vocabulary.FlashCardTimes +=1;
            db.Entry(vocabulary).State = EntityState.Modified;
            db.SaveChanges();
            return RedirectToAction("FlashCard");
        }

        public ActionResult FlashCardForgot(int id)
        {
            Vocabulary vocabulary;
            vocabulary = db.Vocabulary.First(v => v.Id == id);
            vocabulary.PracticeDate = DateTime.Now;
            vocabulary.FlashCardTimes =0;
            vocabulary.PracticeStage = Enumeration.PracticeStage.Select;
            db.Entry(vocabulary).State = EntityState.Modified;
            db.SaveChanges();
            return RedirectToAction("FlashCard");
        }

        public ActionResult UpdateDB()
        {



            db.Vocabulary.Where(v => v.PracticeMemorized == false).ToList().ForEach(v => v.PracticeStage = Enumeration.PracticeStage.Memorized);
            db.Vocabulary.Where(v => v.PracticeMemorized == true && v.PracticeVisualize == false).ToList().ForEach(v => v.PracticeStage = Enumeration.PracticeStage.Visualize);
            db.Vocabulary.Where(v => v.PracticeMemorized == true && v.PracticeVisualize == true && v.PracticeApply == false).ToList().ForEach(v => v.PracticeStage = Enumeration.PracticeStage.Apply);

            db.SaveChanges();

            return RedirectToAction("Index");
        }

        protected override void Dispose(bool disposing)
        {
            if (disposing)
            {
                db.Dispose();
            }
            base.Dispose(disposing);
        }

        protected override void OnActionExecuted(System.Web.Mvc.ActionExecutedContext filterContext)
        {
            ViewBag.P_Select = db.Vocabulary.Count(v => v.PracticeStage == Enumeration.PracticeStage.Select );
            ViewBag.P_Memorized = db.Vocabulary.Count(v => v.PracticeStage == Enumeration.PracticeStage.Memorized && v.PracticeDate < DateTime.Today);
            ViewBag.P_Visualize = db.Vocabulary.Count(v => v.PracticeStage == Enumeration.PracticeStage.Visualize && v.PracticeDate < DateTime.Today);
            ViewBag.P_Apply = db.Vocabulary.Count(v => v.PracticeStage == Enumeration.PracticeStage.Apply && v.PracticeDate < DateTime.Today);
            ViewBag.P_Review = db.Vocabulary.Count(v => v.PracticeStage == Enumeration.PracticeStage.Review && v.PracticeDate < DateTime.Today);
        }
    }
}