using UnitTestSharp;

namespace Glass.UnitTests
{
    public class PedigreeTests : TestFixture
    {
        public class OfTests : TestFixture
        {
            public void TargetAtTheRoot_IsJustItsName()
            {
                var root = new ControlContainer();
                var window = root.Add(new Control("window"));

                CheckEqual("window", Pedigree.Of(root, window));
            }

            public void NestedTarget_NamesEachAncestorDownToIt()
            {
                var root = new ControlContainer();
                var toolbar = root.Add(new Control("window")).CanvasChildren.Add(new Control("toolbar"));
                var okButton = toolbar.CanvasChildren.Add(new Control("okButton"));

                CheckEqual("window.toolbar.okButton", Pedigree.Of(root, okButton));
            }

            public void TargetInALaterBranch_LeavesEarlierBranchesOut()
            {
                var root = new ControlContainer();
                root.Add(new Control("sidebar")).CanvasChildren.Add(new Control("logo"));
                var okButton = root.Add(new Control("dialog")).CanvasChildren.Add(new Control("okButton"));

                CheckEqual("dialog.okButton", Pedigree.Of(root, okButton));
            }

            public void TargetInsideARedirectingComposite_NamesTheControlsTheWalkPassesThrough()
            {
                var root = new ControlContainer();
                var okButton = root.Add(new ScrollView { DebugName = "scroll" }).CanvasChildren
                    .Add(new Control("okButton"));

                string pedigree = Pedigree.Of(root, okButton);

                CheckTrue(pedigree.StartsWith("scroll."));
                CheckTrue(pedigree.EndsWith(".okButton"));
                CheckNotEqual("scroll.okButton", pedigree);
            }

            public void TargetNotUnderTheRoot_IsJustItsName()
            {
                var root = new ControlContainer();
                root.Add(new Control("window"));

                CheckEqual("okButton", Pedigree.Of(root, new Control("okButton")));
            }

            public void NoRoot_IsJustItsName()
            {
                CheckEqual("okButton", Pedigree.Of(null, new Control("okButton")));
            }

            public void ClientCodeBreakingTheSearch_GivesNoPedigree()
            {
                var root = new ControlContainer();
                root.Add(new ControlTests.ThrowingDirectChildrenControl());

                CheckNull(Pedigree.Of(root, new Control("okButton")));
            }

            public void ControlsOwnMaterial_IsNamedStraightAfterTheControl()
            {
                var root = new ControlContainer();
                var material = new SolidColorMaterial { DebugName = "okMaterial" };
                var okButton = root.Add(new Panel { Material = material, DebugName = "okButton" });

                CheckEqual("okButton.okMaterial", Pedigree.Of(root, okButton, material));
            }

            public void ClientCodeBreakingTheControlSearch_GivesNoMaterialPedigree()
            {
                var root = new ControlContainer();
                root.Add(new ControlTests.ThrowingDirectChildrenControl());
                var material = new SolidColorMaterial();

                CheckNull(Pedigree.Of(root, new Panel { Material = material }, material));
            }
        }
    }
}