using qdr.fnd.core.test.Object.Fake;
using Quadarax.Foundation.Core.Object.Dynamic;


namespace qdr.fnd.core.test.Object
{
    class DynaTests
    {
        private const string PROP_A = "A";
        private const string PROP_B = "B";


        [Test(TestOf = typeof(Dyna))]
        public void DynaConstructorsCollectionOk()
        {
            var props = CreateProperties();
            var dyna = new Dyna(CreateProperties());
            Assert.That(dyna.Properties.Length, Is.EqualTo(props.Count()));
        }

        [Test(TestOf = typeof(Dyna))]
        public void DynaConstructorsTypeOk()
        {
            var dyna = new Dyna(typeof(IDinaFake));
            Assert.That(dyna.Properties.Length, Is.EqualTo(2));
        }

        [Test(TestOf = typeof(Dyna))]
        public void DynaSetGetPropertyStringOk()
        {
            var props = CreateProperties();
            var dyna = new Dyna(CreateProperties());
            dyna[PROP_A] = PROP_A;
            Assert.That(dyna.GetValue<string>(PROP_A), Is.EqualTo(PROP_A));
            Assert.That(dyna.GetValue<int?>(PROP_B), Is.EqualTo(null));
        }

        [Test(TestOf = typeof(Dyna))]
        public void DynaSetGetPropertyStringFail()
        {
            var props = CreateProperties();
            var dyna = new Dyna(CreateProperties());
            // ReSharper disable once ObjectCreationAsStatement
            Assert.Throws<ArgumentOutOfRangeException>(() => dyna[PROP_A + PROP_B] = PROP_A);
        }

        [Test(TestOf = typeof(Dyna))]
        public void DynaClearOk()
        {
            var props = CreateProperties();
            var dyna = new Dyna(CreateProperties());
            dyna[PROP_A] = PROP_A;
            Assert.That(dyna.GetValue<string>(PROP_A), Is.EqualTo(PROP_A));
            dyna.Clear();
            Assert.That(dyna.GetValue<int?>(PROP_A), Is.EqualTo(null));
        }

        [Test(TestOf = typeof(Dyna))]
        public void DynaTrackingOk()
        {
            var props = CreateProperties();
            var dyna = new Dyna(CreateProperties());
            dyna[PROP_A] = PROP_A;

            Assert.That(dyna.ChangedProperties.Length, Is.EqualTo(1));
            Assert.That(dyna.ChangedProperties.First(), Is.EqualTo(PROP_A));

            dyna[PROP_A] = null;
            Assert.That(dyna.ChangedProperties.Length, Is.EqualTo(0));

            dyna[PROP_A] = PROP_A;
            dyna[PROP_A] = PROP_B;
            Assert.That(dyna.ChangedProperties.Length, Is.EqualTo(1));
            Assert.That(dyna.ChangedProperties.First(), Is.EqualTo(PROP_A));

            dyna[PROP_A] = PROP_A;
            dyna.TrackChanges();
            Assert.That(dyna.ChangedProperties.Length, Is.EqualTo(0));
            dyna[PROP_A] = PROP_B;
            dyna[PROP_A] = PROP_A;

            Assert.That(dyna.ChangedProperties.Length, Is.EqualTo(0));
            dyna.Clear();

            Assert.That(dyna.ChangedProperties.Length, Is.EqualTo(0));
        }

        [Test(TestOf = typeof(Dyna))]
        public void DynaCloneOk()
        {
            var props = CreateProperties();
            var dynaSrc = new Dyna(CreateProperties());
            dynaSrc[PROP_A] = PROP_A;
            dynaSrc[PROP_B] = PROP_B;

            var dynaClone = dynaSrc.Clone() as Dyna;
            Assert.That(dynaClone.ChangedProperties.Length, Is.EqualTo(0));
            Assert.That(dynaClone[PROP_A], Is.EqualTo(PROP_A));
            Assert.That(dynaClone[PROP_B], Is.EqualTo(PROP_B));
            Assert.That(dynaClone.IsEquals(dynaSrc), Is.True);
        }

        [Test(TestOf = typeof(Dyna))]
        public void DynaCopyToOk()
        {
            var props = CreateProperties();
            var dynaSrc = new Dyna(CreateProperties());
            dynaSrc[PROP_A] = PROP_A;
            dynaSrc[PROP_B] = PROP_B;

            var dynaClone = new Dyna(CreateProperties());
            dynaClone[PROP_A] = PROP_B;
            dynaClone[PROP_B] = PROP_A;

            dynaClone.CopyTo(dynaSrc);

            Assert.That(dynaClone[PROP_A], Is.EqualTo(PROP_B));
            Assert.That(dynaClone[PROP_B], Is.EqualTo(PROP_A));
            Assert.That(dynaClone.IsSame(dynaSrc), Is.True);
        }


        private IEnumerable<Dyna.DynaProperty> CreateProperties()
        {
            var proCol = new List<Dyna.DynaProperty>();
            proCol.Add(new Dyna.DynaProperty(PROP_A, typeof(string), DynaPropertyAccessability.Public, DynaPropertyAccessability.Public));
            proCol.Add(new Dyna.DynaProperty(PROP_B, typeof(int), DynaPropertyAccessability.Public, DynaPropertyAccessability.Public));
            return proCol;
        }
    }
}