using NUnit.Framework;
using System.Linq;
using Vanara.PInvoke.Tests;
using static Vanara.PInvoke.SetupAPI;

namespace Vanara.Diagnostics.Tests
{
	[TestFixture]
	public class DeviceTests
	{
		[Test]
		public void ClassNamesTest()
		{
			var coll = DeviceManager.LocalInstance.GetSetupClasses();
			Assert.That(coll, Is.Not.Empty);
			TestContext.Write(string.Join("\r\n", coll.Select(c => c.Description).OrderBy(s => s)));
		}

		[Test]
		public void ClassPropsTest()
		{
			using var cl = new DeviceClass("DiskDrive");
			cl.Guid.WriteValues();
			cl.Name.WriteValues();
			cl.Description.WriteValues();
			cl.BitmapIndex.WriteValues();
			cl.ImageIndex.WriteValues();
			cl.NoDisplay.WriteValues();
			cl.NoInstall.WriteValues();
			foreach (var kv in cl.Properties)
				TestContext.WriteLine($"{kv.Key.LookupName()} = {kv.Value.GetStringVal()}");
			foreach (var kv in cl.RegistryProperties)
				TestContext.WriteLine($"{kv.Key} = {kv.Value.GetStringVal()}");
		}

		[Test]
		public void EnumDevicesTest()
		{
			using var coll = new DeviceCollection(GUID_DEVCLASS_DISKDRIVE);//, null, null, DIGCF.DIGCF_ALLCLASSES);
			var devs = coll.ToArray();
			Assert.That(devs, Is.Not.Empty);
			TestContext.WriteLine($"Found {devs.Length} devices.");
			TestContext.Write(string.Join("\r\n", devs.Select(c => c.Name).OrderBy(s => s)));
		}

		[Test]
		public void PropsTest()
		{
			using var cl = new DeviceClass(GUID_DEVCLASS_DISKDRIVE);
			var devs = cl.GetDevices().ToArray();
			TestContext.WriteLine($"Found {devs.Length} devices.");
			foreach (var dev in devs)
			{
				TestContext.WriteLine(new string('=', 20) + dev.Name + new string('=', 20));
				dev.Description.WriteValues();
				dev.DriverPath.WriteValues();
				dev.InstallFlags.WriteValues();
				dev.InstallFlagsEx.WriteValues();
				dev.InstanceId.WriteValues();
				foreach (var kv in dev.Properties)
					TestContext.WriteLine($"{kv.Key.LookupName()} = {kv.Value.GetStringVal()}");
				foreach (var kv in dev.RegistryProperties)
					TestContext.WriteLine($"{kv.Key} = {kv.Value.GetStringVal()}");
			}
		}

		[Test]
		public void SetClassPropTest()
		{
			using var cl = new DeviceClass(GUID_DEVCLASS_DISKDRIVE);
			var val = cl.Properties[DEVPKEY_DeviceClass_Exclusive];
			Assert.IsNull(val);
			try
			{
				cl.Properties[DEVPKEY_DeviceClass_Exclusive] = false;
				val = cl.Properties[DEVPKEY_DeviceClass_Exclusive];
				Assert.IsFalse((bool)val);
			}
			finally
			{
				Assert.That(cl.Properties.Remove(DEVPKEY_DeviceClass_Exclusive), ResultIs.Successful);
			}
		}

		[Test]
		public void SetClassRegPropTest()
		{
			using var cl = new DeviceClass(GUID_DEVCLASS_DISKDRIVE);
			var val = cl.RegistryProperties[SPCRP.SPCRP_LOWERFILTERS];
			try
			{
				cl.RegistryProperties[SPCRP.SPCRP_LOWERFILTERS] = new[] { "MyFilter" };
				var newval = cl.RegistryProperties[SPCRP.SPCRP_LOWERFILTERS];
				Assert.That(newval, Is.Not.EqualTo(val));
			}
			finally
			{
				cl.RegistryProperties[SPCRP.SPCRP_LOWERFILTERS] = val;
			}
		}
	}
}