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 PasportController : ControllerBase
	{
		private Logger log = LogManager.GetCurrentClassLogger();

		[HttpPost, Route("check")]
		public PasportCheckClient Check([FromBody] object value)
		{
			try
			{
				var getResult = JsonConvert.DeserializeObject<PasportCheckApi>(value.ToString());
				if (!getResult.Status || string.IsNullOrEmpty(getResult.Name))
				{
					log.Warn("Wrong answer.");
					return new PasportCheckClient();
				}

				var paspName =
					getResult.DateAndTime.Hour.ToString("D2") +
					getResult.DateAndTime.Minute.ToString("D2") +
					getResult.DateAndTime.Second.ToString("D2") +
					"-" + getResult.Name;
				var paspDir = Path.Combine(
					Directory.GetCurrentDirectory(),
					"data", "pasport",
					getResult.DateAndTime.Year.ToString("D4"),
					getResult.DateAndTime.Month.ToString("D2"),
					getResult.DateAndTime.Day.ToString("D2"),
					paspName);
				log.Info("Search pasport: " + paspDir);
				if (!System.IO.File.Exists(paspDir))
				{
					log.Info("Psport not exist: " + paspDir);
					return new PasportCheckClient { Status = true, Exist = false, PaspSum = 0 };
				}
				var pasport = System.IO.File.ReadAllBytes(paspDir);
				ulong paspResult = 0;
				foreach (var b in pasport)
					paspResult += b;
				log.Info("Send pasport size: " + paspResult + " | " + paspDir);
				return new PasportCheckClient { Status = true, Exist = true, PaspSum = paspResult };
			}
			catch(Exception e)
			{
				log.Warn(e);
				return new PasportCheckClient();
			}
		}

		[HttpPost, Route("create")]
		public PasportCreateClient Create([FromBody] object value)
		{
			try
			{
				var getResult = JsonConvert.DeserializeObject<PasportCreateApi>(value.ToString());
				if (!getResult.Status ||
					getResult.Pasp == null ||
					!getResult.Pasp.HasData)
				{
					log.Warn("Wrong answer.");
					return new PasportCreateClient();
				}
				var paspName =
					getResult.Pasp.dEnd.Value.Hour.ToString("D2") +
					getResult.Pasp.dEnd.Value.Minute.ToString("D2") +
					getResult.Pasp.dEnd.Value.Second.ToString("D2") +
					"-" + (string.IsNullOrEmpty(getResult.Pasp.nplav) ?
										getResult.Pasp.numVDP.Value.ToString("D2") :
										getResult.Pasp.nplav);
				var dir = Path.Combine(
					Directory.GetCurrentDirectory(),
					"data", "pasport",
					getResult.Pasp.dEnd.Value.Year.ToString("D4"),
					getResult.Pasp.dEnd.Value.Month.ToString("D2"),
					getResult.Pasp.dEnd.Value.Day.ToString("D2"));
				var paspDir = Path.Combine(dir, paspName);
				if (!Directory.Exists(dir))
					Directory.CreateDirectory(dir);
				System.IO.File.WriteAllBytes(paspDir, getResult.Pasp.PaspByte);
				log.Info("Save pasport: " + paspDir);
				return new PasportCreateClient { Status = true };
			}
			catch (Exception e)
			{
				log.Warn(e);
				return new PasportCreateClient();
			}
		}
		
		[HttpPost, Route("getlist")]
		public PasportGetListClient GetList([FromBody] object value)
		{
			try
			{
				var pasportNameList = new List<string>();
				var getResult = JsonConvert.DeserializeObject<PasportGetListApi>(value.ToString());
				var pasportDir = Path.Combine(
					Directory.GetCurrentDirectory(),
						"data",
						"pasport",
						getResult.Date.Year.ToString("D4"),
						getResult.Date.ToString("D2"),
						getResult.Date.Day.ToString("D2")
					);
				if (!Directory.Exists(pasportDir))
					return new PasportGetListClient();
				var allPasportFiles = Directory.GetFiles(pasportDir);
				foreach (var fullPasportName in allPasportFiles)
				{
					var name = Path.GetFileNameWithoutExtension(fullPasportName);
					var pasportParts = name.Split('-');
					var pasport = "";
					for (var i = 1; i < pasportParts.Length; i++)
					{
						if (pasport.Length != 0)
							pasport += "-";
						pasport += pasportParts[i];
					}
					pasportNameList.Add(pasport);
				}
				log.Info("Send pasport list: " + pasportNameList);
				return new PasportGetListClient() { Name = pasportNameList.ToArray() };
			}
			catch (Exception e)
			{
				log.Warn(e);
				return new PasportGetListClient();
			}
		}


	}

}