using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using static Church.Net.Entity.Enumeration;

namespace Church.Net.Entity
{
   public  class Vocabulary
    {
        [Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)]
        public int Id { get; set; }
        [Required]
        public string Word { get; set; }

        [Required]
        [DataType(DataType.MultilineText)]
        public string DefinitionEn { get; set; }
        [Required]
        [DataType(DataType.MultilineText)]
        public string DefinitionCh { get; set; }
        public string NounPlural { get; set; }
        public string VerbPast { get; set; }
        public string VerbParticiple { get; set; }

        public PartsOfSpeech PartOfSpeech { get; set; }
        public string ImagesUrl { get; set; }
        public DateTime InsertDate { get; set; }
        public DateTime PracticeDate { get; set; }

        public PracticeStage PracticeStage { get; set; }
        public bool PracticeSelect { get; set; }
        public bool PracticeMemorized { get; set; }
        public bool PracticeVisualize { get; set; }
        public bool PracticeApply { get; set; }
        public bool PracticeReview { get; set; }

        [DataType(DataType.MultilineText)]
        public string PracticeSentence { get; set; }

        public int FlashCardTimes { get; set; }
        [NotMapped]
        public int PracticeTimes { get; set; }

        public string  MaskedWord
        {
            get
            {
                return GetMaskedWord(Word);
            }
        }

        public string MaskedVerbPast
        {
            get
            {
                return GetMaskedWord(VerbPast);
            }
        }

        public string MaskedVerbParticiple
        {
            get
            {
                return GetMaskedWord(VerbParticiple);
            }
        }

        private string GetMaskedWord(string word)
        {
            string reuslt = word.Substring(0, 1);
            for (int i = 1; i < word.Length; i++)
            {
                reuslt = reuslt + " _";
            }
            reuslt = reuslt + " " + word.Substring(word.Length - 1, 1);
            return reuslt;

        }
    }
}