// Copyright (C) Stichting Deltares 2016. All rights reserved.
//
// This file is part of Ringtoets.
//
// Ringtoets is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// All names, logos, and references to "Deltares" are registered trademarks of
// Stichting Deltares and remain full property of Stichting Deltares at all times.
// All rights reserved.

using System.Linq;
using System.Windows.Forms;
using Core.Common.Base;
using Core.Common.Controls.TreeView;
using Core.Common.Gui;
using Core.Common.Gui.Commands;
using Core.Common.Gui.ContextMenu;
using Core.Common.Gui.TestUtil.ContextMenu;
using Core.Common.TestUtil;
using NUnit.Framework;
using Rhino.Mocks;
using Ringtoets.ClosingStructures.Data;
using Ringtoets.ClosingStructures.Forms.PresentationObjects;
using Ringtoets.ClosingStructures.Plugin;
using Ringtoets.Common.Data.AssessmentSection;
using Ringtoets.Common.Data.Calculation;
using RingtoetsCommonFormsResources = Ringtoets.Common.Forms.Properties.Resources;

namespace Ringtoets.ClosingStructures.Forms.Test.TreeNodeInfos
{
    [TestFixture]
    public class ClosingStructuresCalculationGroupContextTreeNodeInfoTest
    {
        private const int contextMenuAddCalculationGroupIndexRootGroup = 0;
        private const int contextMenuAddCalculationIndexRootGroup = 1;
        private const int contextMenuRemoveAllChildrenRootGroupIndex = 3;
        private const int contextMenuValidateAllIndexRootGroup = 5;
        private const int contextMenuCalculateAllIndexRootGroup = 6;
        private const int contextMenuClearAllIndexRootGroup = 7;

        private const int contextMenuAddCalculationGroupIndexNestedGroup = 0;
        private const int contextMenuAddCalculationIndexNestedGroup = 1;
        private const int contextMenuValidateAllIndexNestedGroup = 3;
        private const int contextMenuCalculateAllIndexNestedGroup = 4;
        private const int contextMenuClearAllIndexNestedGroup = 5;

        private IGui guiMock;
        private TreeNodeInfo info;
        private MockRepository mocks;
        private ClosingStructuresPlugin plugin;

        [SetUp]
        public void SetUp()
        {
            mocks = new MockRepository();
            guiMock = mocks.Stub<IGui>();
            plugin = new ClosingStructuresPlugin()
            {
                Gui = guiMock
            };

            info = plugin.GetTreeNodeInfos().First(tni => tni.TagType == typeof(ClosingStructuresCalculationGroupContext));
        }

        [TearDown]
        public void TearDown()
        {
            plugin.Dispose();
            mocks.VerifyAll();
        }

        [Test]
        public void Initialized_Always_ExpectedPropertiesSet()
        {
            // Setup
            mocks.ReplayAll();

            // Assert
            Assert.AreEqual(typeof(ClosingStructuresCalculationGroupContext), info.TagType);
            Assert.IsNotNull(info.Text);
            Assert.IsNotNull(info.Image);
            Assert.IsNotNull(info.EnsureVisibleOnCreate);
            Assert.IsNotNull(info.ChildNodeObjects);
            Assert.IsNotNull(info.ContextMenuStrip);
            Assert.IsNotNull(info.CanRename);
            Assert.IsNotNull(info.OnNodeRenamed);
            Assert.IsNotNull(info.CanRemove);
            Assert.IsNotNull(info.OnNodeRemoved);
            Assert.IsNotNull(info.CanDrag);
            Assert.IsNotNull(info.CanInsert);
            Assert.IsNotNull(info.CanDrop);
            Assert.IsNotNull(info.OnDrop);
            Assert.IsNull(info.ForeColor);
            Assert.IsNull(info.CanCheck);
            Assert.IsNull(info.IsChecked);
            Assert.IsNull(info.OnNodeChecked);
        }

        [Test]
        public void ChildNodeObjects_EmptyGroup_ReturnEmpty()
        {
            // Setup
            var group = new CalculationGroup();
            var failureMechanism = new ClosingStructuresFailureMechanism();
            var assessmentSectionMock = mocks.Stub<IAssessmentSection>();
            mocks.ReplayAll();

            var groupContext = new ClosingStructuresCalculationGroupContext(group,
                                                                            failureMechanism,
                                                                            assessmentSectionMock);

            // Call
            var children = info.ChildNodeObjects(groupContext);

            // Assert
            CollectionAssert.IsEmpty(children);
        }

        [Test]
        public void ContextMenuStrip_WithoutParentNodeDefaultBehavior_CallsContextMenuBuilderMethods()
        {
            // Setup
            var group = new CalculationGroup();
            var failureMechanism = new ClosingStructuresFailureMechanism();
            var assessmentSectionMock = mocks.Stub<IAssessmentSection>();
            var groupContext = new ClosingStructuresCalculationGroupContext(group,
                                                                            failureMechanism,
                                                                            assessmentSectionMock);

            var menuBuilderMock = mocks.StrictMock<IContextMenuBuilder>();
            menuBuilderMock.Expect(mb => mb.AddCustomItem(null)).IgnoreArguments().Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.AddCustomItem(null)).IgnoreArguments().Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.AddSeparator()).Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.AddCustomItem(null)).IgnoreArguments().Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.AddSeparator()).Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.AddCustomItem(null)).IgnoreArguments().Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.AddCustomItem(null)).IgnoreArguments().Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.AddCustomItem(null)).IgnoreArguments().Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.AddSeparator()).Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.AddExpandAllItem()).Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.AddCollapseAllItem()).Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.AddSeparator()).Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.AddPropertiesItem()).Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.Build()).Return(null);

            using (var treeViewControl = new TreeViewControl())
            {
                guiMock.Expect(cmp => cmp.Get(groupContext, treeViewControl)).Return(menuBuilderMock);
                guiMock.Stub(cmp => cmp.ViewCommands).Return(mocks.Stub<IViewCommands>());

                mocks.ReplayAll();

                // Call
                info.ContextMenuStrip(groupContext, null, treeViewControl);
            }
            // Assert
            // Assert expectancies called in TearDown()
        }

        [Test]
        public void ContextMenuStrip_WithoutParentNodeDefaultBehavior_AddCustomItems()
        {
            // Setup
            var group = new CalculationGroup();
            var failureMechanism = new ClosingStructuresFailureMechanism();
            var assessmentSectionMock = mocks.Stub<IAssessmentSection>();
            var groupContext = new ClosingStructuresCalculationGroupContext(group,
                                                                            failureMechanism,
                                                                            assessmentSectionMock);

            var menuBuilder = new CustomItemsOnlyContextMenuBuilder();

            using (var treeViewControl = new TreeViewControl())
            {
                guiMock.Expect(g => g.Get(groupContext, treeViewControl)).Return(menuBuilder);
                guiMock.Stub(g => g.ViewCommands).Return(mocks.Stub<IViewCommands>());

                mocks.ReplayAll();

                // Call
                using (ContextMenuStrip menu = info.ContextMenuStrip(groupContext, null, treeViewControl))
                {
                    // Assert
                    Assert.AreEqual(10, menu.Items.Count);

                    TestHelper.AssertContextMenuStripContainsItem(menu, contextMenuAddCalculationGroupIndexRootGroup,
                                                                  RingtoetsCommonFormsResources.CalculationGroup_Add_CalculationGroup,
                                                                  RingtoetsCommonFormsResources.CalculationGroup_Add_CalculationGroup_Tooltip,
                                                                  RingtoetsCommonFormsResources.AddFolderIcon);
                    TestHelper.AssertContextMenuStripContainsItem(menu, contextMenuAddCalculationIndexRootGroup,
                                                                  RingtoetsCommonFormsResources.CalculationGroup_Add_Calculation,
                                                                  RingtoetsCommonFormsResources.CalculationGroup_Add_Calculation_Tooltip,
                                                                  RingtoetsCommonFormsResources.FailureMechanismIcon);
                    TestHelper.AssertContextMenuStripContainsItem(menu, contextMenuRemoveAllChildrenRootGroupIndex,
                                                                  RingtoetsCommonFormsResources.CalculationGroup_RemoveAllChildrenFromGroup_Remove_all,
                                                                  RingtoetsCommonFormsResources.CalculationGroup_RemoveAllChildrenFromGroup_No_Calculation_or_Group_to_remove,
                                                                  RingtoetsCommonFormsResources.RemoveAllIcon,
                                                                  false);

                    TestHelper.AssertContextMenuStripContainsItem(menu, contextMenuValidateAllIndexRootGroup,
                                                                  RingtoetsCommonFormsResources.Validate_all,
                                                                  RingtoetsCommonFormsResources.ValidateAll_No_calculations_to_validate,
                                                                  RingtoetsCommonFormsResources.ValidateAllIcon,
                                                                  false);
                    TestHelper.AssertContextMenuStripContainsItem(menu, contextMenuCalculateAllIndexRootGroup,
                                                                  RingtoetsCommonFormsResources.Calculate_all,
                                                                  RingtoetsCommonFormsResources.CalculationGroup_CalculateAll_No_calculations_to_run,
                                                                  RingtoetsCommonFormsResources.CalculateAllIcon,
                                                                  false);
                    TestHelper.AssertContextMenuStripContainsItem(menu, contextMenuClearAllIndexRootGroup,
                                                                  RingtoetsCommonFormsResources.Clear_all_output,
                                                                  RingtoetsCommonFormsResources.CalculationGroup_ClearOutput_No_calculation_with_output_to_clear,
                                                                  RingtoetsCommonFormsResources.ClearIcon,
                                                                  false);
                }
            }
        }

        [Test]
        public void ContextMenuStrip_NestedCalculationGroup_CallsContextMenuBuilderMethods()
        {
            // Setup
            var group = new CalculationGroup();
            var parentGroup = new CalculationGroup();
            var failureMechanism = new ClosingStructuresFailureMechanism();
            var assessmentSectionMock = mocks.Stub<IAssessmentSection>();
            var groupContext = new ClosingStructuresCalculationGroupContext(group,
                                                                            failureMechanism,
                                                                            assessmentSectionMock);
            var parentGroupContext = new ClosingStructuresCalculationGroupContext(parentGroup,
                                                                                  failureMechanism,
                                                                                  assessmentSectionMock);
            var menuBuilderMock = mocks.StrictMock<IContextMenuBuilder>();

            menuBuilderMock.Expect(mb => mb.AddCustomItem(null)).IgnoreArguments().Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.AddCustomItem(null)).IgnoreArguments().Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.AddSeparator()).Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.AddCustomItem(null)).IgnoreArguments().Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.AddCustomItem(null)).IgnoreArguments().Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.AddCustomItem(null)).IgnoreArguments().Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.AddSeparator()).Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.AddRenameItem()).Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.AddDeleteItem()).Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.AddSeparator()).Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.AddExpandAllItem()).Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.AddCollapseAllItem()).Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.AddSeparator()).Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.AddPropertiesItem()).Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.Build()).Return(null);

            using (var treeViewControl = new TreeViewControl())
            {
                guiMock.Expect(cmp => cmp.Get(groupContext, treeViewControl)).Return(menuBuilderMock);

                mocks.ReplayAll();

                // Call
                info.ContextMenuStrip(groupContext, parentGroupContext, treeViewControl);
            }
            // Assert
            // Assert expectancies called in TearDown()
        }

        [Test]
        public void ContextMenuStrip_NestedCalculationGroup_AddCustomItems()
        {
            // Setup
            var group = new CalculationGroup();
            var parentGroup = new CalculationGroup();
            var failureMechanism = new ClosingStructuresFailureMechanism();
            var assessmentSectionMock = mocks.Stub<IAssessmentSection>();
            var groupContext = new ClosingStructuresCalculationGroupContext(group,
                                                                            failureMechanism,
                                                                            assessmentSectionMock);
            var parentGroupContext = new ClosingStructuresCalculationGroupContext(parentGroup,
                                                                                  failureMechanism,
                                                                                  assessmentSectionMock);
            var menuBuilder = new CustomItemsOnlyContextMenuBuilder();

            mocks.ReplayAll();

            using (var treeViewControl = new TreeViewControl())
            {
                guiMock.Expect(g => g.Get(groupContext, treeViewControl)).Return(menuBuilder);

                // Call
                using (ContextMenuStrip menu = info.ContextMenuStrip(groupContext, parentGroupContext, treeViewControl))
                {
                    // Assert
                    Assert.AreEqual(9, menu.Items.Count);

                    TestHelper.AssertContextMenuStripContainsItem(menu, contextMenuAddCalculationGroupIndexNestedGroup,
                                                                  RingtoetsCommonFormsResources.CalculationGroup_Add_CalculationGroup,
                                                                  RingtoetsCommonFormsResources.CalculationGroup_Add_CalculationGroup_Tooltip,
                                                                  RingtoetsCommonFormsResources.AddFolderIcon);
                    TestHelper.AssertContextMenuStripContainsItem(menu, contextMenuAddCalculationIndexNestedGroup,
                                                                  RingtoetsCommonFormsResources.CalculationGroup_Add_Calculation,
                                                                  RingtoetsCommonFormsResources.CalculationGroup_Add_Calculation_Tooltip,
                                                                  RingtoetsCommonFormsResources.FailureMechanismIcon);

                    TestHelper.AssertContextMenuStripContainsItem(menu, contextMenuValidateAllIndexNestedGroup,
                                                                  RingtoetsCommonFormsResources.Validate_all,
                                                                  RingtoetsCommonFormsResources.ValidateAll_No_calculations_to_validate,
                                                                  RingtoetsCommonFormsResources.ValidateAllIcon,
                                                                  false);
                    TestHelper.AssertContextMenuStripContainsItem(menu, contextMenuCalculateAllIndexNestedGroup,
                                                                  RingtoetsCommonFormsResources.Calculate_all,
                                                                  RingtoetsCommonFormsResources.CalculationGroup_CalculateAll_No_calculations_to_run,
                                                                  RingtoetsCommonFormsResources.CalculateAllIcon,
                                                                  false);
                    TestHelper.AssertContextMenuStripContainsItem(menu, contextMenuClearAllIndexNestedGroup,
                                                                  RingtoetsCommonFormsResources.Clear_all_output,
                                                                  RingtoetsCommonFormsResources.CalculationGroup_ClearOutput_No_calculation_with_output_to_clear,
                                                                  RingtoetsCommonFormsResources.ClearIcon,
                                                                  false);
                }
            }
        }

        [Test]
        public void OnNodeRemoved_NestedCalculationGroup_RemoveGroupAndNotifyObservers()
        {
            // Setup
            var observerMock = mocks.StrictMock<IObserver>();
            var failureMechanism = new ClosingStructuresFailureMechanism();
            var assessmentSectionMock = mocks.Stub<IAssessmentSection>();
            var group = new CalculationGroup();
            var parentGroup = new CalculationGroup();
            var nodeData = new ClosingStructuresCalculationGroupContext(group,
                                                                        failureMechanism,
                                                                        assessmentSectionMock);
            var parentNodeData = new ClosingStructuresCalculationGroupContext(parentGroup,
                                                                              failureMechanism,
                                                                              assessmentSectionMock);

            observerMock.Expect(o => o.UpdateObserver());

            mocks.ReplayAll();

            parentGroup.Children.Add(group);
            parentNodeData.Attach(observerMock);

            // Precondition
            Assert.IsTrue(info.CanRemove(nodeData, parentNodeData));

            // Call
            info.OnNodeRemoved(nodeData, parentNodeData);

            // Assert
            CollectionAssert.DoesNotContain(parentGroup.Children, group);
        }

        [Test]
        public void OnNodeRemoved_NestedCalculationGroupContainingCalculations_RemoveGroupAndCalculationsAndNotifyObservers()
        {
            // Setup
            var observerMock = mocks.StrictMock<IObserver>();
            var assessmentSectionMock = mocks.Stub<IAssessmentSection>();
            var failureMechanism = new ClosingStructuresFailureMechanism();
            var group = new CalculationGroup();
            var parentGroup = new CalculationGroup();
            var nodeData = new ClosingStructuresCalculationGroupContext(group,
                                                                        failureMechanism,
                                                                        assessmentSectionMock);
            var parentNodeData = new ClosingStructuresCalculationGroupContext(parentGroup,
                                                                              failureMechanism,
                                                                              assessmentSectionMock);
            var calculation = new ClosingStructuresCalculation();

            observerMock.Expect(o => o.UpdateObserver());

            mocks.ReplayAll();

            group.Children.Add(calculation);
            parentGroup.Children.Add(group);
            parentNodeData.Attach(observerMock);

            // Precondition
            Assert.IsTrue(info.CanRemove(nodeData, parentNodeData));

            // Call
            info.OnNodeRemoved(nodeData, parentNodeData);

            // Assert
            CollectionAssert.DoesNotContain(parentGroup.Children, group);
        }
    }
}