using System.Collections.Generic;
using skydiveLogs_api.Data.Interface;
using skydiveLogs_api.Model;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System.IO;
using System.Linq;

namespace skydiveLogs_api.Data
{
    public class JumpRepository : IJumpRepository
    {
        public IEnumerable<Jump> GetAllJumps()
        {
            IEnumerable<Jump> result = new List<Jump>();

            using (StreamReader file = File.OpenText(@"Data/Jump.json"))
            using (JsonTextReader reader = new JsonTextReader(file))
            {
                var jsonResult = (JArray)JToken.ReadFrom(reader);
                result = jsonResult.ToObject<IEnumerable<Jump>>();
            }

            return result;
        }

        public Jump GetJumpById(int id)
        {
            Jump result;

            using (StreamReader file = File.OpenText(@"Data/Jump.json"))
            using (JsonTextReader reader = new JsonTextReader(file))
            {
                var jsonResult = (JArray)JToken.ReadFrom(reader);
                var tmp = jsonResult.ToObject<IEnumerable<Jump>>();
                result = tmp.SingleOrDefault(t => t.Id == id);
            }

            return result;
        }

        public bool AddJump(Jump newJump)
        {
            var result = true;
            List<Jump> jumpList;

            try
            {
                using (StreamReader file = File.OpenText(@"Data/Jump.json"))
                using (JsonTextReader reader = new JsonTextReader(file))
                {
                    var jsonResult = (JArray)JToken.ReadFrom(reader);
                    jumpList = jsonResult.ToObject<List<Jump>>();
                }

                newJump.Id = jumpList.Count() + 1;
                jumpList.Add(newJump);

                string outputJson = JsonConvert.SerializeObject(jumpList);
                File.WriteAllText(@"Data/Jump.json", outputJson);
            }
            catch
            {
                result = false;
            }

            return result;
        }
    }
}