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using System;
using System.Collections.Generic;
using System.Threading;
using Moq;
using NUnit.Framework;
using XenAdmin.Actions;
using XenAPI;

namespace XenAdminTests.XenModelTests
{
    [TestFixture, Category(TestCategories.UICategoryB)]
    public class DestroyPolicyActionTests:ActionTestBase
    {
        private readonly AutoResetEvent _autoResetEvent=new AutoResetEvent(false);

        [Test]
        public void TestEmptyList()
        {
            var action = new DestroyPolicyAction(mockConnection.Object, new List<VMSS>());
            action.Completed += action_Completed;
            action.RunAsync();
            _autoResetEvent.WaitOne();
            Assert.True(action.Succeeded);
            mockProxy.VerifyAll();
        }
        void action_Completed(ActionBase sender)
        {
            _autoResetEvent.Set();
        }

        [Test]
        public void TestOneInList()
        {
            mockProxy.Setup(x => x.vmss_destroy(It.IsAny<string>(), "1")).Returns(new Response<string>(""));
            mockProxy.Setup(x => x.vm_set_snapshot_schedule(It.IsAny<string>(), "1", It.IsAny<string>())).Returns(new Response<string>(""));
            var action = new DestroyPolicyAction(mockConnection.Object, new List<VMSS>()
            {new VMSS(){opaque_ref = "1",VMs = new List<XenRef<VM>>(){new XenRef<VM>("1")}}});
            action.Completed += action_Completed;
            action.RunAsync();
            _autoResetEvent.WaitOne();
            Assert.True(action.Succeeded,action.Exception!=null?action.Exception.ToString():"");
            mockProxy.VerifyAll();
            mockProxy.Verify(x => x.vm_set_snapshot_schedule(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>()), Times.Once());
        }

        [Test]
        public void TestOneWithTwonVMsInList()
        {
            mockProxy.Setup(x => x.vmss_destroy(It.IsAny<string>(),"1")).Returns(new Response<string>(""));
            mockProxy.Setup(x => x.vm_set_snapshot_schedule(It.IsAny<string>(), It.Is<string>(s => s == "1" || s == "2"), It.IsAny<string>())).Returns(new Response<string>(""));
            var action = new DestroyPolicyAction(mockConnection.Object, new List<VMSS>() 
            { new VMSS() { opaque_ref = "1", VMs = new List<XenRef<VM>>() { new XenRef<VM>("1"), new XenRef<VM>("2") } } });
            action.Completed += action_Completed;
            action.RunAsync();
            _autoResetEvent.WaitOne();
            Assert.True(action.Succeeded, action.Exception != null ? action.Exception.ToString() : "");
            mockProxy.Verify(x => x.vm_set_snapshot_schedule(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>()), Times.Exactly(2));
            mockProxy.VerifyAll();
        }
       
    }
}