using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Newtonsoft.Json.Linq;
using Newtonsoft;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Newtonsoft.Json;
using NLog;
using DataClient.Struct;
using System.IO;
using ApiServer.ApiStruct;

namespace ApiServer.Controllers
{
	[ApiController, Route("[controller]")]
	public class DiscretController : ControllerBase
	{
		private Logger log = LogManager.GetCurrentClassLogger();

		[HttpPost, Route("getdiscrets")]
		public DiscretGetDscretsClient GetDiscrets([FromBody] object value)
		{
			try
			{
				var getResult = JsonConvert.DeserializeObject<DiscretGetiscretsApi>(
					value.ToString());
				log.Info("Ask discrets: " +
					getResult.Vdp.ToString() + " " +
					getResult.Start.ToString("yyyy-MM-dd HH:mm:ss") + " "+
					getResult.End.ToString("yyyy-MM-dd HH:mm:ss"));

				var list_discrets = new List<Structures.Discret>();
				var flagDate = new DateTime(
					getResult.Start.Year,
					getResult.Start.Month,
					getResult.Start.Day,
					0,0,0
					);
				while (flagDate <= getResult.End)
        {
					var discrets = WorkWithFiles.GetDiscrets(flagDate, getResult.Vdp);
					var first_discrets = new Dictionary<int, Structures.Discret>();
					for (var i = 0; i < discrets.Length; i++)
					{
						if (discrets[i].start < getResult.Start)
						{
							if (first_discrets.ContainsKey(discrets[i].Index))
								first_discrets[discrets[i].Index] = discrets[i];
							else
								first_discrets.Add(discrets[i].Index, discrets[i]);
							first_discrets[discrets[i].Index].start = getResult.Start;
							continue;
						}
						if (discrets[i].start > getResult.End)
							continue;
						var last_id = list_discrets.FindLastIndex(x => x.Index == discrets[i].Index);
						if (first_discrets.ContainsKey(discrets[i].Index) &&
							last_id == -1 &&
							discrets[i].start != getResult.Start)
						{
							list_discrets.Add(first_discrets[discrets[i].Index]);
							first_discrets.Remove(discrets[i].Index);
						}
						if (last_id != -1 &&
							list_discrets[last_id].State == discrets[i].State)
							continue;
						list_discrets.Add(discrets[i]);
					}
					flagDate = flagDate.AddDays(1);
        }

				return new DiscretGetDscretsClient()
				{
					StateParams = Configuration.GetStateStructArray(),
					DiscretParams = Configuration.GetDiscretParams(getResult.Vdp.ToString("D2")),
					Discrets = list_discrets.ToArray()
				};
			}
			catch (Exception e)
			{
				log.Warn(e);
				return new DiscretGetDscretsClient();
			}
		}

		[HttpPost, Route("getdiscretsmatrix")]
		public DiscretGetDscretsMatrixClient GetDiscretsMatrix([FromBody] object value)
		{
			try
			{
				var getResult = JsonConvert.DeserializeObject<DiscretGetiscretsApi>(
					value.ToString());
				log.Info("Ask discrets: " +
					getResult.Vdp.ToString() + " " +
					getResult.Start.ToString("yyyy-MM-dd HH:mm:ss") + " " +
					getResult.End.ToString("yyyy-MM-dd HH:mm:ss"));

				var list_discrets = new List<Structures.DiscretMatrix>();
				var flagDate = new DateTime(
					getResult.Start.Year,
					getResult.Start.Month,
					getResult.Start.Day,
					0, 0, 0
					);
				while (flagDate <= getResult.End)
				{
					var discrets = WorkWithFiles.GetDiscretsMatrix(flagDate, getResult.Vdp);
					for (var i = 0; i < discrets.Length; i++)
					{
						if (discrets[i].start < getResult.Start)
							continue;
						if (discrets[i].start > getResult.End)
							continue;
						list_discrets.Add(discrets[i]);
					}
					flagDate = flagDate.AddDays(1);
				}

				log.Info("Send discret");
				return new DiscretGetDscretsMatrixClient()
				{
					StateParams = Configuration.GetStateStructArray(),
					DiscretParams = Configuration.GetDiscretParams(getResult.Vdp.ToString("D2")),
					Discrets = list_discrets.ToArray()
				};
			}
			catch (Exception e)
			{
				log.Warn(e);
				return new DiscretGetDscretsMatrixClient();
			}
		}

	}

}