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using System;
using Moq;
using NUnit.Framework;
using XenAdmin.Diagnostics.Hotfixing;
using XenAPI;

namespace XenAdminTests.UnitTests.Diagnostics
{
    [TestFixture, Category(TestCategories.SmokeTest)]
    public class HotFixFactoryTests : UnitTester_TestFixture
    {
        private const string id = "test";

        public HotFixFactoryTests() : base(id){}

        private readonly HotfixFactory factory = new HotfixFactory();

        [TearDown]
        public void TearDownPerTest()
        {
            ObjectManager.ClearXenObjects(id);
            ObjectManager.RefreshCache(id);
        }

        [Test]
        public void HotfixableServerVersionHasExpectedMembers()
        {
            string[] enumNames = Enum.GetNames(typeof (HotfixFactory.HotfixableServerVersion));
            Array.Sort(enumNames);

            string[] expectedNames = new []{"Clearwater", "Creedence", "Dundee", "Ely"};
            Array.Sort(expectedNames);

            CollectionAssert.AreEqual(expectedNames, enumNames, "Expected contents of HotfixableServerVersion enum");
        }

        [Test]
        public void UUIDLookedUpFromEnum()
        {
            Assert.AreEqual("591d0209-531e-4ed8-9ed2-98df2a1a445c", 
                            factory.Hotfix(HotfixFactory.HotfixableServerVersion.Clearwater).UUID,
                            "Clearwater UUID lookup from enum");

            Assert.AreEqual("3f92b111-0a90-4ec6-b85a-737f241a3fc1 ",
                            factory.Hotfix(HotfixFactory.HotfixableServerVersion.Creedence).UUID,
                            "Creedence UUID lookup from enum");

            Assert.AreEqual("474a0f28-0d33-4c9b-9e20-52baaea8ce5e",
                            factory.Hotfix(HotfixFactory.HotfixableServerVersion.Dundee).UUID,
                            "Dundee UUID lookup from enum");

            Assert.AreEqual("1ac61687-8b65-43e6-957f-50602fb79572",
                            factory.Hotfix(HotfixFactory.HotfixableServerVersion.Ely).UUID,
                            "Ely UUID lookup from enum");
        }

        [Test]
        public void FilenameLookedUpFromEnum()
        {
            Assert.AreEqual("RPU001",
                            factory.Hotfix(HotfixFactory.HotfixableServerVersion.Clearwater).Filename,
                            "Clearwater Filename lookup from enum");

            Assert.AreEqual("RPU002",
                            factory.Hotfix(HotfixFactory.HotfixableServerVersion.Creedence).Filename,
                            "Creedence Filename lookup from enum");

            Assert.AreEqual("RPU003",
                            factory.Hotfix(HotfixFactory.HotfixableServerVersion.Dundee).Filename,
                            "Dundee Filename lookup from enum");

            Assert.AreEqual("RPU004",
                            factory.Hotfix(HotfixFactory.HotfixableServerVersion.Ely).Filename,
                            "Ely Filename lookup from enum");
        }

        [Test]
        [TestCase("2.2.50", Description = "Falcon")]
        [TestCase("9999.9999.9999", Description = "Future")]
        public void TestPlatformVersionNumbersFalconOrGreaterGiveNulls(string platformVersion)
        {
            Mock<Host> host = ObjectManager.NewXenObject<Host>(id);
            host.Setup(h => h.PlatformVersion).Returns(platformVersion);
            Assert.IsNull(factory.Hotfix(host.Object));
        }

        [Test]
        [TestCase("2.2.50", Description = "Falcon", Result = false)]
        [TestCase("2.1.1", Description = "Ely", Result = true)]
        [TestCase("2.0.0", Description = "Dundee", Result = true)]
        [TestCase("1.9.0", Description = "Creedence", Result = true)]
        [TestCase("1.8.0", Description = "Clearwater", Result = true)]
        [TestCase("9999.9999.9999", Description = "Future", Result = false)]
        public bool TestIsHotfixRequiredBasedOnPlatformVersion(string version)
        {
            Mock<Host> host = ObjectManager.NewXenObject<Host>(id);
            host.Setup(h => h.PlatformVersion).Returns(version);
            return factory.IsHotfixRequired(host.Object);
        }
    }
}