using System;

using System.Collections.Generic;

using System.Linq;

using System.Linq.Expressions;

using FluentNHibernate.Automapping.TestFixtures;

using FluentNHibernate.Conventions.Helpers.Builders;

using FluentNHibernate.Conventions.Instances;

using FluentNHibernate.Mapping;

using FluentNHibernate.MappingModel;

using FluentNHibernate.MappingModel.Collections;

using FluentNHibernate.Testing.FluentInterfaceTests;

using NUnit.Framework;



namespace FluentNHibernate.Testing.ConventionsTests.OverridingFluentInterface

{

    [TestFixture]

    public class HasManyConventionTests

    {

        private PersistenceModel model;

        private IMappingProvider mapping;

        private Type mappingType;



        [SetUp]

        public void CreatePersistenceModel()

        {

            model = new PersistenceModel();

        }



        [Test]

        public void AccessShouldntBeOverwritten()

        {

            Mapping(x => x.Children, x => x.Access.Field());



            Convention(x => x.Access.Property());



            VerifyModel(x => SpecificationExtensions.ShouldEqual(x.Access, "field"));

        }



        [Test]

        public void BatchSizeShouldntBeOverwritten()

        {

            Mapping(x => x.Children, x => x.BatchSize(10));



            Convention(x => x.BatchSize(100));



            VerifyModel(x => x.BatchSize.ShouldEqual(10));

        }



        [Test]

        public void CacheShouldntBeOverwritten()

        {

            Mapping(x => x.Children, x => x.Cache.ReadOnly());



            Convention(x => x.Cache.ReadWrite());



            VerifyModel(x => x.Cache.Usage.ShouldEqual("read-only"));

        }



        [Test]

        public void CascadeShouldntBeOverwritten()

        {

            Mapping(x => x.Children, x => x.Cascade.All());



            Convention(x => x.Cascade.None());



            VerifyModel(x => x.Cascade.ShouldEqual("all"));

        }



        [Test]

        public void CheckConstraintShouldntBeOverwritten()

        {

            Mapping(x => x.Children, x => x.Check("constraint = 1"));



            Convention(x => x.Check("constraint = 0"));



            VerifyModel(x => x.Check.ShouldEqual("constraint = 1"));

        }



        [Test]

        public void CollectionTypeShouldntBeOverwritten()

        {

            Mapping(x => x.Children, x => x.CollectionType<int>());



            Convention(x => x.CollectionType<string>());



            VerifyModel(x => x.CollectionType.GetUnderlyingSystemType().ShouldEqual(typeof(int)));

        }



        [Test]

        public void FetchShouldntBeOverwritten()

        {

            Mapping(x => x.Children, x => x.Fetch.Join());



            Convention(x => x.Fetch.Select());



            VerifyModel(x => x.Fetch.ShouldEqual("join"));

        }



        [Test]

        public void GenericShouldntBeOverwritten()

        {

            Mapping(x => x.Children, x => x.Generic());



            Convention(x => x.Not.Generic());



            VerifyModel(x => x.Generic.ShouldBeTrue());

        }



        [Test]

        public void InverseShouldntBeOverwritten()

        {

            Mapping(x => x.Children, x => x.Inverse());



            Convention(x => x.Not.Inverse());



            VerifyModel(x => x.Inverse.ShouldBeTrue());

        }



        [Test]

        public void KeyColumnNameShouldntBeOverwritten()

        {

            Mapping(x => x.Children, x => x.KeyColumn("name"));



            Convention(x => x.Key.Column("xxx"));



            VerifyModel(x => x.Key.Columns.First().Name.ShouldEqual("name"));

        }



        [Test]

        public void ElementColumnNameShouldntBeOverwritten()

        {

            Mapping(x => x.Children, x => x.Element("name"));



            Convention(x => x.Element.Column("xxx"));



            VerifyModel(x => x.Element.Columns.First().Name.ShouldEqual("name"));

        }



        [Test]

        public void ElementTypeShouldntBeOverwrittenUsingGeneric()

        {

            Mapping(x => x.Children, x => x.Element("xxx", e => e.Type<string>()));



            Convention(x => x.Element.Type<int>());



            VerifyModel(x => x.Element.Type.GetUnderlyingSystemType().ShouldEqual(typeof(string)));

        }



        [Test]

        public void ElementTypeShouldntBeOverwrittenUsingTypeOf()

        {

            Mapping(x => x.Children, x => x.Element("xxx", e => e.Type<string>()));



            Convention(x => x.Element.Type(typeof(int)));



            VerifyModel(x => x.Element.Type.GetUnderlyingSystemType().ShouldEqual(typeof(string)));

        }



        [Test]

        public void ElementTypeShouldntBeOverwrittenUsingString()

        {

            Mapping(x => x.Children, x => x.Element("xxx", e => e.Type<string>()));



            Convention(x => x.Element.Type(typeof(int).AssemblyQualifiedName));



            VerifyModel(x => x.Element.Type.GetUnderlyingSystemType().ShouldEqual(typeof(string)));

        }



        [Test]

        public void LazyShouldntBeOverwritten()

        {

            Mapping(x => x.Children, x => x.LazyLoad());



            Convention(x => x.Not.LazyLoad());



            VerifyModel(x => x.Lazy.ShouldEqual(Lazy.True));

        }



        [Test]

        public void OptimisticLockShouldntBeOverwritten()

        {

            Mapping(x => x.Children, x => x.OptimisticLock());



            Convention(x => x.Not.OptimisticLock());



            VerifyModel(x => x.OptimisticLock.ShouldEqual(true));

        }



        [Test]

        public void PersisterShouldntBeOverwritten()

        {

            Mapping(x => x.Children, x => x.Persister<CustomPersister>());



            Convention(x => x.Persister<SecondCustomPersister>());



            VerifyModel(x => x.Persister.GetUnderlyingSystemType().ShouldEqual(typeof(CustomPersister)));

        }



        [Test]

        public void SchemaShouldntBeOverwritten()

        {

            Mapping(x => x.Children, x => x.Schema("dbo"));



            Convention(x => x.Schema("test"));



            VerifyModel(x => x.Schema.ShouldEqual("dbo"));

        }



        [Test]

        public void WhereShouldntBeOverwritten()

        {

            Mapping(x => x.Children, x => x.Where("x = 1"));



            Convention(x => x.Where("y = 2"));



            VerifyModel(x => x.Where.ShouldEqual("x = 1"));

        }



        [Test]

        public void ForeignKeyShouldntBeOverwritten()

        {

            Mapping(x => x.Children, x => x.ForeignKeyConstraintName("key"));



            Convention(x => x.Key.ForeignKey("xxx"));



            VerifyModel(x => x.Key.ForeignKey.ShouldEqual("key"));

        }



        [Test]

        public void PropertyRefShouldntBeOverwritten()

        {

            Mapping(x => x.Children, x => x.PropertyRef("ref"));



            Convention(x => x.Key.PropertyRef("xxx"));



            VerifyModel(x => x.Key.PropertyRef.ShouldEqual("ref"));

        }



        [Test]

        public void TableNameShouldntBeOverwritten()

        {

            Mapping(x => x.Children, x => x.Table("table"));



            Convention(x => x.Table("xxx"));



            VerifyModel(x => x.TableName.ShouldEqual("table"));

        }



        [Test]

        public void NotFoundShouldntBeOverwritten()

        {

            Mapping(x => x.Children, x => x.NotFound.Exception());



            Convention(x => x.Relationship.NotFound.Ignore());



            VerifyModel(x => x.Relationship.NotFound.ShouldEqual("exception"));

        }



        #region Helpers



        private void Convention(Action<IOneToManyCollectionInstance> convention)

        {

            model.Conventions.Add(new OneToManyCollectionConventionBuilder().Always(convention));

        }



        private void Mapping<TChild>(Expression<Func<ExampleInheritedClass, IEnumerable<TChild>>> property, Action<OneToManyPart<TChild>> mappingDefinition)

        {

            var classMap = new ClassMap<ExampleInheritedClass>();

            classMap.Id(x => x.Id);

            var map = classMap.HasMany(property);



            mappingDefinition(map);



            mapping = classMap;

            mappingType = typeof(ExampleInheritedClass);

        }



        private void VerifyModel(Action<CollectionMapping> modelVerification)

        {

            model.Add(mapping);



            var generatedModels = model.BuildMappings();

            var modelInstance = generatedModels

                .First(x => x.Classes.FirstOrDefault(c => c.Type == mappingType) != null)

                .Classes.First()

                .Collections.First();



            modelVerification(modelInstance);

        }



        #endregion

    }

}