using System;
using System.Collections.Generic;
using Newtonsoft.Json;
using NUnit.Framework;
using Serilog.Events;
using ShareeBike.Model.Settings;
using ShareeBike.Settings;

namespace SharedBusinessLogic.Tests.Model.Settings
{
	[TestFixture]
	public class TestJsonSettingsDictionary
	{
		/// <summary> Verifies that empty log fiel leads to expected default value and doesn not throw exceptions.</summary>
		[Test]
		public void TestGetCopriHostUri_NoFile()
		{
			Assert.That(JsonSettingsDictionary.GetCopriHostUri(new Dictionary<string, string>()), Is.Null);
		}

		/// <summary> Verifies that empty log file leads to expected default value and doesn not throw exceptions.</summary>
		[Test]
		public void TestGetPolling()
		{
			// Serialize parameters.
			var dict = new Dictionary<string, string>()
				.SetPollingParameters(new PollingParameters(new TimeSpan(0, 0, 0, 15, 0), false));

			// Deserialize parameters.
			Assert.That(
				dict.GetPollingParameters(), Is.EqualTo(new PollingParameters(new TimeSpan(0, 0, 0, 15, 0), false)));
		}

		/// <summary> Verifies that empty log fiel leads to expected default value and doesn not throw exceptions.</summary>
		[Test]
		public void TestGetPolling_NoFile()
		{
			Assert.That(JsonSettingsDictionary.GetPollingParameters(new Dictionary<string, string>()), Is.Null);
		}

		[Test]
		public void TestGetGetCopriHostUri()
		{
			var dict = new Dictionary<string, string>()
				.SetCopriHostUri("http://1.2.3.4");
			Assert.That(
				JsonSettingsDictionary.GetCopriHostUri(dict), Is.EqualTo(new Uri("http://1.2.3.4")));
		}

		/// <summary> Verifies that empty log fiel leads to expected default value and doesn not throw exceptions.</summary>
		[Test]
		public void TestGetLoggingLevel()
		{
			var dict = new Dictionary<string, string>()
				.SetMinimumLoggingLevel(0); // Verbose = 0
			Assert.That(
				JsonSettingsDictionary.GetMinimumLoggingLevel(dict), Is.EqualTo(LogEventLevel.Verbose)); // LogEventLevel.Error = 4
		}

		/// <summary> Verifies that empty log fiel leads to expected default value and doesn not throw exceptions.</summary>
		[Test]
		public void TestGetLoggingLevel_NoFile()
		{
			Assert.That(JsonSettingsDictionary.GetMinimumLoggingLevel(new Dictionary<string, string>()), Is.Null);
		}

		[Test]
		public void TestGetAppVersion_FirstInstall()
		{
			var dict = new Dictionary<string, string>();
			Assert.That(JsonSettingsDictionary.GetAppVersion(dict), Is.Null);
		}

		[Test]
		public void TestGetAppVersion_LegacyTo115()
		{
			var dict = new Dictionary<string, string> { { "AppVersion", "7.2.3.9" } };
			Assert.That(JsonSettingsDictionary.GetAppVersion(dict), Is.EqualTo(new Version(7, 2, 3, 9)));

			dict = new Dictionary<string, string> { { "AppVersion", "7.2.3" } };
			Assert.That(JsonSettingsDictionary.GetAppVersion(dict), Is.EqualTo(new Version(7, 2, 3)));
		}

		[Test]
		public void TestGetAppVersion_Json()
		{
			var dict = new Dictionary<string, string> { { "AppVersion", "\"3.1.2.117\"" } };
			Assert.That(JsonSettingsDictionary.GetAppVersion(dict), Is.EqualTo(new Version(3, 1, 2, 117)));
		}

		[Test]
		public void TestSetAppVersion_Json()
		{
			var dict = new Dictionary<string, string>()
				.SetAppVersion(new Version(47, 12, 3));
			Assert.That(JsonSettingsDictionary.GetAppVersion(dict), Is.EqualTo(new Version(47, 12, 3)));
		}

		[Test]
		public void TestGetShowWhatsNew_FirstInstall()
		{
			var dict = new Dictionary<string, string>();
			Assert.That(JsonSettingsDictionary.GetWhatsNew(dict), Is.Null);
		}

		[Test]
		public void TestGetShowWhatsNew_Json()
		{
			var dict = new Dictionary<string, string> { { "ShowWhatsNew", "\"3.1.2.117\"" } };
			Assert.That(JsonSettingsDictionary.GetWhatsNew(dict), Is.EqualTo(new Version(3, 1, 2, 117)));

			dict = new Dictionary<string, string> { { "ShowWhatsNew", "\"3.1.2\"" } };
			Assert.That(JsonSettingsDictionary.GetWhatsNew(dict), Is.EqualTo(new Version(3, 1, 2)));
		}

		[Test]
		public void TestSetShowWhats_Json()
		{
			var dict = new Dictionary<string, string>()
				.SetWhatsNew(new Version(47, 12, 3));
			Assert.That(JsonSettingsDictionary.GetWhatsNew(dict), Is.EqualTo(new Version(47, 12, 3)));
		}

		[Test]
		public void TestGetEntryTNoLegacySettingsKeyNull() => Assert.That(
			JsonSettingsDictionary.GetEntry<string>(null, new Dictionary<string, string>()),
			Is.Null);

		[Test]
		public void TestGetEntryTNoLegacySettingsNull() => Assert.That(
			JsonSettingsDictionary.GetEntry<string>("Hi", null),
			Is.Null);

		[Test]
		public void TestGetEntryTNoLegacyEntryNotFound() => Assert.That(
			JsonSettingsDictionary.GetEntry<string>("Hi", new Dictionary<string, string> { { "Ho", @"""Hu""" } }),
			Is.Null);

		[Test]
		public void TestGetEntryTNoLegacyEntryFound() => Assert.That(
		 JsonSettingsDictionary.GetEntry<string>("Hi", new Dictionary<string, string> { { "Hi", @"""Ho""" } }),
		 Is.EqualTo("Ho"));

		[Test]
		public void TestGetEntryT() => Assert.That(
		 JsonSettingsDictionary.GetEntry<string>("Hi", new Dictionary<string, string> { { "Hi", @"""Ho""" } }, (value) => @"""Hey"""),
		 Is.EqualTo("Hey"));

		[Test]
		public void TestGetActiveTheme() => Assert.That(
			JsonSettingsDictionary.GetActiveTheme(new Dictionary<string, string> { { "Theme", @"""LastenradBayern""" } }),
			Is.EqualTo(typeof(ShareeBike.Themes.LastenradBayern).Name));

		[Test]
		public void TestGetActiveThemeLegacy() => Assert.That(
			JsonSettingsDictionary.GetActiveTheme(new Dictionary<string, string> { { "Theme", @"""ShareeBike.Themes.LastenradBayern""" } }),
			Is.EqualTo(typeof(ShareeBike.Themes.LastenradBayern).Name));

		[Test]
		public void TestSetActiveTheme()
		{
			var settings = JsonSettingsDictionary.SetActiveTheme(new Dictionary<string, string>(), @"LastenradBayern");
			Assert.That(
				settings,
				Contains.Key("Theme"));

			settings = JsonSettingsDictionary.SetActiveTheme(new Dictionary<string, string>(), @"LastenradBayern");
			Assert.That(
				settings["Theme"],
				Is.EqualTo(JsonConvert.SerializeObject(typeof(ShareeBike.Themes.LastenradBayern).Name)));
		}

		[Test]
		public void TestGetStartupSettingsStartupPage() => Assert.That(
			JsonSettingsDictionary.GetStartupSettings(new Dictionary<string, string> {
				{
					"StartupSettings",
					JsonConvert.SerializeObject(new StartupSettings { StartupPage = ShareeBike.ViewTypes.ContactPage})
				}
			}).StartupPage,
			Is.EqualTo(ShareeBike.ViewTypes.ContactPage));

		[Test]
		public void TestSetStartupSettingsStartupPage()
		{
			var settings = JsonSettingsDictionary.SetStartupSettings(
				new Dictionary<string, string>(),
				new StartupSettings { StartupPage = ShareeBike.ViewTypes.ContactPage });

			Assert.That(
				settings,
				Contains.Key("StartupSettings"));

			Assert.That(
				settings["StartupSettings"],
				Is.EqualTo(JsonConvert.SerializeObject(new StartupSettings { StartupPage = ShareeBike.ViewTypes.ContactPage })));
		}
	}
}