// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.

using System.Collections.Generic;
using System.Linq;
using EntityFrameworkCore.Jet.FunctionalTests.TestUtilities;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.ChangeTracking.Internal;
using Microsoft.EntityFrameworkCore.Diagnostics;
using Microsoft.EntityFrameworkCore.Infrastructure;
using Microsoft.EntityFrameworkCore.Storage;
using Microsoft.EntityFrameworkCore.TestUtilities;
using Xunit;

// ReSharper disable InconsistentNaming
namespace EntityFrameworkCore.Jet.FunctionalTests
{
    public class StoreGeneratedJetTest : StoreGeneratedTestBase<StoreGeneratedJetTest.StoreGeneratedJetFixture>
    {
        public StoreGeneratedJetTest(StoreGeneratedJetFixture fixture)
            : base(fixture)
        {
        }

        protected override void UseTransaction(DatabaseFacade facade, IDbContextTransaction transaction)
            => facade.UseTransaction(transaction.GetDbTransaction());

        [ConditionalFact]
        public virtual void Exception_in_SaveChanges_causes_store_values_to_be_reverted()
        {
            var entities = new List<Darwin>();
            for (var i = 0; i < 100; i++)
            {
                entities.Add(new Darwin());
            }

            entities.Add(
                new Darwin { Id = 1777 });

            for (var i = 0; i < 2; i++)
            {
                ExecuteWithStrategyInTransaction(
                    context =>
                    {
                        context.AddRange(entities);

                        foreach (var entity in entities.Take(100))
                        {
                            Assert.Equal(0, entity.Id);
                        }

                        Assert.Equal(1777, entities[100].Id);

                        var tempValueIdentityMap = entities.ToDictionary(
                            e => context.Entry(e).Property(p => p.Id).CurrentValue,
                            e => e);

                        var stateManager = context.GetService<IStateManager>();
                        var key = context.Model.FindEntityType(typeof(Darwin)).FindPrimaryKey();

                        foreach (var entity in entities)
                        {
                            Assert.Same(
                                entity,
                                stateManager.TryGetEntry(
                                    key,
                                    new object[] { context.Entry(entity).Property(p => p.Id).CurrentValue }).Entity);
                        }

                        Assert.Throws<DbUpdateException>(() => context.SaveChanges());

                        foreach (var entity in entities.Take(100))
                        {
                            Assert.Equal(0, entity.Id);
                        }

                        Assert.Equal(1777, entities[100].Id);

                        foreach (var entity in entities)
                        {
                            Assert.Same(
                                entity,
                                tempValueIdentityMap[context.Entry(entity).Property(p => p.Id).CurrentValue]);
                        }

                        foreach (var entity in entities)
                        {
                            Assert.Same(
                                entity,
                                stateManager.TryGetEntry(
                                    key,
                                    new object[] { context.Entry(entity).Property(p => p.Id).CurrentValue }).Entity);
                        }
                    });
            }
        }

        public class StoreGeneratedJetFixture : StoreGeneratedFixtureBase
        {
            protected override ITestStoreFactory TestStoreFactory => JetTestStoreFactory.Instance;

            public override DbContextOptionsBuilder AddOptions(DbContextOptionsBuilder builder)
                => builder
                    .EnableSensitiveDataLogging()
                    .ConfigureWarnings(
                        b => b.Default(WarningBehavior.Throw)
                            .Ignore(CoreEventId.SensitiveDataLoggingEnabledWarning)
                            .Ignore(RelationalEventId.BoolWithDefaultWarning));

            protected override void OnModelCreating(ModelBuilder modelBuilder, DbContext context)
            {
                modelBuilder.Entity<Gumball>(
                    b =>
                    {
                        b.Property(e => e.Id).UseIdentityColumn();
                        b.Property(e => e.Identity).HasDefaultValue("Banana Joe");
                        b.Property(e => e.IdentityReadOnlyBeforeSave).HasDefaultValue("Doughnut Sheriff");
                        b.Property(e => e.IdentityReadOnlyAfterSave).HasDefaultValue("Anton");
                        b.Property(e => e.AlwaysIdentity).HasDefaultValue("Banana Joe");
                        b.Property(e => e.AlwaysIdentityReadOnlyBeforeSave).HasDefaultValue("Doughnut Sheriff");
                        b.Property(e => e.AlwaysIdentityReadOnlyAfterSave).HasDefaultValue("Anton");
                        b.Property(e => e.Computed).HasDefaultValue("Alan");
                        b.Property(e => e.ComputedReadOnlyBeforeSave).HasDefaultValue("Carmen");
                        b.Property(e => e.ComputedReadOnlyAfterSave).HasDefaultValue("Tina Rex");
                        b.Property(e => e.AlwaysComputed).HasDefaultValue("Alan");
                        b.Property(e => e.AlwaysComputedReadOnlyBeforeSave).HasDefaultValue("Carmen");
                        b.Property(e => e.AlwaysComputedReadOnlyAfterSave).HasDefaultValue("Tina Rex");
                    });

                modelBuilder.Entity<Anais>(
                    b =>
                    {
                        b.Property(e => e.OnAdd).HasDefaultValue("Rabbit");
                        b.Property(e => e.OnAddUseBeforeUseAfter).HasDefaultValue("Rabbit");
                        b.Property(e => e.OnAddIgnoreBeforeUseAfter).HasDefaultValue("Rabbit");
                        b.Property(e => e.OnAddThrowBeforeUseAfter).HasDefaultValue("Rabbit");
                        b.Property(e => e.OnAddUseBeforeIgnoreAfter).HasDefaultValue("Rabbit");
                        b.Property(e => e.OnAddIgnoreBeforeIgnoreAfter).HasDefaultValue("Rabbit");
                        b.Property(e => e.OnAddThrowBeforeIgnoreAfter).HasDefaultValue("Rabbit");
                        b.Property(e => e.OnAddUseBeforeThrowAfter).HasDefaultValue("Rabbit");
                        b.Property(e => e.OnAddIgnoreBeforeThrowAfter).HasDefaultValue("Rabbit");
                        b.Property(e => e.OnAddThrowBeforeThrowAfter).HasDefaultValue("Rabbit");

                        b.Property(e => e.OnAddOrUpdate).HasDefaultValue("Rabbit");
                        b.Property(e => e.OnAddOrUpdateUseBeforeUseAfter).HasDefaultValue("Rabbit");
                        b.Property(e => e.OnAddOrUpdateIgnoreBeforeUseAfter).HasDefaultValue("Rabbit");
                        b.Property(e => e.OnAddOrUpdateThrowBeforeUseAfter).HasDefaultValue("Rabbit");
                        b.Property(e => e.OnAddOrUpdateUseBeforeIgnoreAfter).HasDefaultValue("Rabbit");
                        b.Property(e => e.OnAddOrUpdateIgnoreBeforeIgnoreAfter).HasDefaultValue("Rabbit");
                        b.Property(e => e.OnAddOrUpdateThrowBeforeIgnoreAfter).HasDefaultValue("Rabbit");
                        b.Property(e => e.OnAddOrUpdateUseBeforeThrowAfter).HasDefaultValue("Rabbit");
                        b.Property(e => e.OnAddOrUpdateIgnoreBeforeThrowAfter).HasDefaultValue("Rabbit");
                        b.Property(e => e.OnAddOrUpdateThrowBeforeThrowAfter).HasDefaultValue("Rabbit");

                        b.Property(e => e.OnUpdate).HasDefaultValue("Rabbit");
                        b.Property(e => e.OnUpdateUseBeforeUseAfter).HasDefaultValue("Rabbit");
                        b.Property(e => e.OnUpdateIgnoreBeforeUseAfter).HasDefaultValue("Rabbit");
                        b.Property(e => e.OnUpdateThrowBeforeUseAfter).HasDefaultValue("Rabbit");
                        b.Property(e => e.OnUpdateUseBeforeIgnoreAfter).HasDefaultValue("Rabbit");
                        b.Property(e => e.OnUpdateIgnoreBeforeIgnoreAfter).HasDefaultValue("Rabbit");
                        b.Property(e => e.OnUpdateThrowBeforeIgnoreAfter).HasDefaultValue("Rabbit");
                        b.Property(e => e.OnUpdateUseBeforeThrowAfter).HasDefaultValue("Rabbit");
                        b.Property(e => e.OnUpdateIgnoreBeforeThrowAfter).HasDefaultValue("Rabbit");
                        b.Property(e => e.OnUpdateThrowBeforeThrowAfter).HasDefaultValue("Rabbit");
                    });

                modelBuilder.Entity<WithBackingFields>(
                    b =>
                    {
                        b.Property(e => e.NullableAsNonNullable).HasComputedColumnSql("1");
                        b.Property(e => e.NonNullableAsNullable).HasComputedColumnSql("1");
                    });

                modelBuilder.Entity<WithNullableBackingFields>(
                    b =>
                    {
                        b.Property(e => e.NullableBackedBool).HasDefaultValue(true);
                        b.Property(e => e.NullableBackedInt).HasDefaultValue(-1);
                    });

                base.OnModelCreating(modelBuilder, context);
            }
        }
    }
}