using System;
using System.Collections.Generic;
using System.IO;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using VideoGalore.Models.Dtos;
using VideoGalore.Models.Entities;
using Microsoft.AspNetCore.Hosting;
using VideoGalore.Repositories.Data;


namespace VideoGalore.Repositories.Data
{
    public class TapeData
    {
        private List<Tape> tapes;
        private IDictionary<int, Tape> tapeId;


        public TapeData() {

            //tapeId = new Dictionary<int, Tape>();
            //tapes = readTapeJson();
        }

        public void init() {
            tapeId = new Dictionary<int, Tape>();
            tapes = readTapeJson();
        }

        public void deleteTape(int id){
            //tapeId.Remove(id);
            int index = 0;
            for(int i = 0; i < tapes.Count; i++){
                if (tapes[i].Id == id){
                    index = i;
                }
            }
            tapes.RemoveAt(index);

        }

        public TapeDto getTapeById(int id) {
            if(tapeId.ContainsKey(id)){
                TapeDto newTape = new TapeDto();
                newTape.Id = tapeId[id].Id;
                newTape.name = tapeId[id].title;

                return newTape;
            }
            else {
                return null;
            }
        }

        //public void createTape(Tape tape){
          //  tapes.Add(tape);
        //}
        public bool createTape(Tape tape){
            tapes.Add(tape);
            tapeId.Add(tape.Id, tape);
            foreach(var x in tapes){
                Console.WriteLine(x.title);
            }
            return addedCorrectly(tape);
        }

        public bool addedCorrectly(Tape tape){
            return tapes.Contains(tape);
        }



        private List<Tape> readTapeJson() {

           List<Tape> items = new List<Tape>();

           try {
               using(StreamReader sr = new StreamReader("..\\VideoGalore.Repositories\\Data\\Videotapes.json")){
                   string json = sr.ReadToEnd();

                   JArray tapes = JArray.Parse(json);
                   foreach(var tape in tapes) {
                       int id = (int)tape["id"];
                       String title = (String)tape["title"];
                       String director = (String)tape["director_first_name"];
                       String director_last_name = (String)tape["director_last_name"];
                       String type = (String)tape["type"];
                       String eidr = (String)tape["eidr"];
                       DateTime releaseDate = (DateTime)tape["release_date"];

                     Tape newTape = new Tape();
                     newTape.Id = id;
                     newTape.director_name = director;
                     newTape.director_last_name = director_last_name;
                     newTape.eidr = eidr;
                     newTape.release_date = releaseDate;
                     newTape.title = title;
                     newTape.type = type;

                     items.Add(newTape);
                     tapeId.Add(id, newTape);

                   }

               }
           }
           catch(Exception e) {
               Console.WriteLine("The file could not be read:");
               Console.WriteLine(e.Message);
           }
           return items;
        }

        public bool updateTape(int id, Tape tape){
            foreach(var listTape in tapes){
                if(listTape.Id == tape.Id){
                    listTape.release_date = tape.release_date;
                    listTape.title = tape.title;
                    listTape.director_name = tape.director_name;
                    listTape.director_last_name = tape.director_last_name;
                    listTape.eidr = tape.eidr;
                    listTape.type = tape.type;
                        if(tapes.Contains(tape)){
                            return true;
                        }
                        else {
                            return false;
                        }

                }
            }
            return false;
        }

        public List<Tape> getAllTapes() {
            List<TapeDto> temp = new List<TapeDto>();
            foreach(var tape in tapes) {
                TapeDto newTape = new TapeDto();
                newTape.Id = tape.Id;
                newTape.name = tape.title;
                Console.WriteLine(newTape.name);
                temp.Add(newTape);
            }
            return tapes;
        }
    }
}