using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using LeafWeb.Core.Models;
using LeafWeb.Core.Parsers;
using LeafWeb.Core.Utility;
using NUnit.Framework;

namespace LeafWeb.Core.Tests.Parsers
{
	[TestFixture]
	public class LeafInputCsvParserTests
	{
		private const string ContentDirectory = @"Parsers\LeafInputData\";
		
		[Test]
		public void Parse_Valid()
		{
			FileUtility.GetContentFile(ContentDirectory, "LeafInput-valid.csv");
			var fileInfo = FileUtility.GetContentFile(ContentDirectory, "LeafInput-valid.csv");
			var leafInput = new LeafInputCsvParser(fileInfo);
			var input = leafInput.Parse();

			Assert.That(input.InvestigatorName, Is.EqualTo("Valid Name"));
			Assert.That(input.ContactInformation, Is.EqualTo("validname@ornl.gov"));
			Assert.That(input.SiteName, Is.EqualTo("FACE"));
			Assert.That(input.VegetationType, Is.EqualTo("tropical forest"));
			Assert.That(input.SoilType, Is.EqualTo("dense soil"));
			Assert.That(input.MajorSpecies, Is.EqualTo("Tulip Poplar, Oak"));
			Assert.That(input.SampleLeafLightEnv, Is.EqualTo("heavily shaded from above"));
			Assert.That(input.WaterStressAssessment, Is.EqualTo("Little to no stress"));
			Assert.That(input.InstrumentUsed, Is.EqualTo("Licor-6400"));
			Assert.That(input.ExtraInfo, Is.EqualTo("dear01"));

			var site = input.Site;
			Assert.That(site.SiteID, Is.EqualTo("Metropolitano"));
			Assert.That(site.Latitude, Is.EqualTo(8.98333));
			Assert.That(site.Longitude, Is.EqualTo(-79.55));
			Assert.That(site.Elevation, Is.Null);
			Assert.That(site.SampleYear, Is.EqualTo(2013));
			Assert.That(site.SampleDayOfYear, Is.EqualTo(22));
			Assert.That(site.GrowSeasonStart, Is.Null);
			Assert.That(site.GrowSeasonEnd, Is.Null);
			Assert.That(site.StandAge, Is.Null);
			Assert.That(site.CanopyHeight, Is.Null);
			Assert.That(site.LeafAreaIndex, Is.Null);
			Assert.That(site.SpeciesSampled, Is.EqualTo("Dendropanax_arboreus"));
			Assert.That(site.AverageTimeResolution, Is.Null);
			Assert.That(site.SampleHeight, Is.Null);
			Assert.That(site.LeafAge, Is.Null);
			Assert.That(site.SpecificLeafArea, Is.EqualTo(245.5609363));
			Assert.That(site.LfNitrogenContent, Is.EqualTo(2.19));
			Assert.That(site.LfCarbonContent, Is.EqualTo(46.03));
			Assert.That(site.LfPhosphContent, Is.EqualTo(0.129929353));
			//Assert.That(site.WoodPorosity, Is.Null);
			//Assert.That(site.SapWoodDensity, Is.Null);

			var photosynthetic = input.Photosynthetic;
			Assert.That(photosynthetic.GammaStar, Is.EqualTo(1.2));
			Assert.That(photosynthetic.Kc, Is.EqualTo(2.3));
			Assert.That(photosynthetic.Ko, Is.EqualTo(3.4));
			Assert.That(photosynthetic.Alpha, Is.EqualTo(4.5));
			Assert.That(photosynthetic.Rd, Is.EqualTo(6.5));
			Assert.That(photosynthetic.gi, Is.EqualTo(4.3));

			var data = input.Data;
			Assert.That(data.Count(), Is.GreaterThan(2));
			var dataItem = data.First();

			Assert.That(dataItem.Obs, Is.EqualTo(2));
			Assert.That(dataItem.HHMMSS, Is.EqualTo("11:26:17"));
			Assert.That(dataItem.FTime, Is.EqualTo(681.5));
			Assert.That(dataItem.Photo, Is.EqualTo(6.707855907));
			Assert.That(dataItem.AdjPhoto, Is.EqualTo(6.707855907));
			Assert.That(dataItem.StomCond, Is.EqualTo(0.066161416));
			Assert.That(dataItem.Ci, Is.EqualTo(185.9999057));
			Assert.That(dataItem.Trmmol, Is.EqualTo(0.936751155));
			Assert.That(dataItem.VpdL, Is.EqualTo(1.386027641));
			Assert.That(dataItem.Area, Is.EqualTo(2));
			Assert.That(dataItem.StmRat, Is.EqualTo(1));
			Assert.That(dataItem.BLCond, Is.EqualTo(9.289719582));
			Assert.That(dataItem.Tair, Is.EqualTo(29.09575272));
			Assert.That(dataItem.Tleaf, Is.EqualTo(29.91356087));
			Assert.That(dataItem.TBlk, Is.EqualTo(28.63459015));
			Assert.That(dataItem.CO2R, Is.EqualTo(360.0646362));
			Assert.That(dataItem.CO2S, Is.EqualTo(355.3765869));
			Assert.That(dataItem.H2OR, Is.EqualTo(27.71545029));
			Assert.That(dataItem.H2OS, Is.EqualTo(28.32151604));
			Assert.That(dataItem.RH_R, Is.EqualTo(69.04498291));
			Assert.That(dataItem.RH_S, Is.EqualTo(70.5548172));
			Assert.That(dataItem.Flow, Is.EqualTo(300.3703613));
			Assert.That(dataItem.PARi, Is.EqualTo(500.4228821));
			Assert.That(dataItem.PARo, Is.EqualTo(23.31687355));
			Assert.That(dataItem.Press, Is.EqualTo(100.7472458));
			Assert.That(dataItem.CsMch, Is.EqualTo(1.491710782));
			Assert.That(dataItem.HsMch, Is.EqualTo(10.9474802));
			Assert.That(dataItem.StableF, Is.EqualTo(0.5));
			Assert.That(dataItem.Status, Is.EqualTo("111115"));
			Assert.That(dataItem.PhiPS2, Is.Null);
			Assert.That(dataItem.OxygenPress, Is.Null);
		}

		[Test]
		public void Parse_TitlesRemoved()
		{
			var fileInfo = FileUtility.GetContentFile(ContentDirectory, "LeafInput-titlesRemoved.csv");
			var leafInput = new LeafInputCsvParser(fileInfo);
			var input = leafInput.Parse();

			Assert.That(input.InvestigatorName, Is.EqualTo("Valid Name"));
			Assert.That(input.ContactInformation, Is.EqualTo("validname@ornl.gov"));
			Assert.That(input.SiteName, Is.EqualTo("FACE"));
			Assert.That(input.VegetationType, Is.EqualTo("tropical forest"));
			Assert.That(input.SoilType, Is.EqualTo("dense soil"));
			Assert.That(input.MajorSpecies, Is.EqualTo("Tulip Poplar, Oak"));
			Assert.That(input.SampleLeafLightEnv, Is.EqualTo("heavily shaded from above"));
			Assert.That(input.WaterStressAssessment, Is.EqualTo("Little to no stress"));
			Assert.That(input.InstrumentUsed, Is.EqualTo("Licor-6400"));
			Assert.That(input.ExtraInfo, Is.EqualTo("dear01"));
		}

		[Test]
		public void Parse_IncompleteRows()
		{
			var fileInfo = FileUtility.GetContentFile(ContentDirectory, "LeafInput-incompleteRows.csv");
			var parser = new LeafInputCsvParser(fileInfo);
			Assert.That(() => parser.Parse(), Throws.TypeOf<ParseException>());
		}

		[Test]
		public void Parse_NoData()
		{
			var fileInfo = FileUtility.GetContentFile(ContentDirectory, "LeafInput-noData.csv");
			var parser = new LeafInputCsvParser(fileInfo);
			var input = parser.Parse();
		}

		[Test, Explicit]
		public void Parse_FindIssues()
		{
			var dir = @"C:\Users\poprhythm\Documents\code\LeafWeb\Notes\leafweb database work\newcurves\RemovableDisk\curves";
			var files = Directory.GetFiles(dir, "*.csv").Select(f => new FileInfo(f));
			var leafInputs = new List<LeafInput>();
			foreach (var file in files)
			{
				try
				{
					var parser = new LeafInputCsvParser(file);
					var leafInput = parser.Parse();
					leafInputs.Add(leafInput);
					//Console.WriteLine("{0}, {1}, {2}", leafInput.FileName, leafInput.InvestigatorName, leafInput.ContactInformation);
				}
				catch (Exception ex)
				{
					Console.WriteLine("{1} : {0}", ex.Message, file.Name);
				}
			}
			LeafInputCsvParser.ExportCsv(@"C:\Temp\test.csv", leafInputs);
		}
	}
}