using System;
using System.Linq;
using System.Linq.Expressions;
using Luticate2.Auth.Business.Fields;
using Luticate2.Auth.Business.Fields.DMEC;
using Luticate2.Auth.Interfaces;
using Luticate2.Auth.Tests.Business.Fields;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.DependencyInjection.Extensions;
using Xunit;

namespace Luticate2.Auth.Tests
{
    public class RandomTests
    {

//        [Fact]
//        public void Test1()
//        {
//            var dbContext = new luticate2Context();
//            var items = dbContext.LuGroups.Where(groups => groups.LuGroupsObjects.Any(x => x.Priority == 0));
//            var list = items.ToList();
//            Assert.NotNull(list);
//            Assert.Equal(1, list.Count);
//        }
//
//        [Fact]
//        public void Test2()
//        {
//            var dbContext = new luticate2Context();
//            var items = dbContext.LuGroups.OrderBy(x => x.Id).Where(groups => groups.LuGroupsObjects.Any(x => x.Priority == 0));
//            var list = items.ToList();
//            Assert.NotNull(list);
//            Assert.Equal(1, list.Count);
//        }
//
//        [Fact]
//        public void Test3()
//        {
//            var dbContext = new luticate2Context();
//            var items = dbContext.LuGroups.OrderBy(x => x.Id);
//            var list = items.ToList();
//            Assert.NotNull(list);
//            Assert.Equal(2, list.Count);
//        }

        protected void AddILuExpressionConverter<TTypeFrom, TTypeTo, TTypeImpl>(IServiceCollection services)
            where TTypeImpl : class, ILuExpressionConverter<TTypeFrom, TTypeTo>
        {
            services.AddSingleton<ILuExpressionConverter<TTypeFrom, TTypeTo>, TTypeImpl>();
            services.TryAddSingleton<ILuExpressionConverter<TTypeFrom>, TTypeImpl>();
        }

        protected IServiceProvider GetServiceProvider()
        {
            var services = new ServiceCollection();
            services.AddSingleton<LuExpressionConverterEnumerable>();
            AddILuExpressionConverter<TestDbo1, TestModel1, LuDMECTest1>(services);
            AddILuExpressionConverter<TestDbo2, TestModel2, LuDMECTest2>(services);
            AddILuExpressionConverter<LuExpressionConverterStaticMethods, LuExpressionConverterStaticMethods, LuExpressionConverterStaticMethods>(services);
            AddILuExpressionConverter<string, string, LuExpressionConverterIdentity<string>>(services);
            AddILuExpressionConverter<Guid, Guid, LuExpressionConverterIdentity<Guid>>(services);
            AddILuExpressionConverter<bool, bool, LuExpressionConverterIdentity<bool>>(services);

            var serviceProvider = services.BuildServiceProvider();
            return serviceProvider;
        }

        [Fact]
        public void Test4()
        {
            Expression<Func<TestDbo2, Guid>> expDbo = (x => x.TestDbo1.Id);
            Expression<Func<TestModel2, Guid>> expModel = (x => x.TestModel1.Id);
            var options = new LuExpressionConverterOptions
            {
                Parameter = Expression.Parameter(typeof(TestModel2), "x")
            };
            var converter = new LuExpressionConverterVisitor(options, GetServiceProvider());
            var result = converter.Visit(expDbo.Body);
            var lamdba = result != null ? Expression.Lambda<Func<TestModel2, Guid>>(result, options.Parameter) : null;
            Assert.Equal(expModel.ToString(), lamdba?.ToString());
        }

        [Fact]
        public void Test5()
        {
            Expression<Func<TestDbo2, int>> expDbo = (x => 0);
            Expression<Func<TestModel2, int>> expModel = (x => 0);
            var options = new LuExpressionConverterOptions
            {
                Parameter = Expression.Parameter(typeof(TestModel2), "x")
            };
            var converter = new LuExpressionConverterVisitor(options, GetServiceProvider());
            var result = converter.Visit(expDbo.Body);
            var lamdba = result != null ? Expression.Lambda<Func<TestModel2, int>>(result, options.Parameter) : null;
            Assert.Equal(expModel.ToString(), lamdba?.ToString());
        }

        [Fact]
        public void Test6()
        {
            Expression<Func<TestDbo2, bool>> expDbo = (x => x.Name.Contains("s"));
            Expression<Func<TestModel2, bool>> expModel = (x => x.Name.Contains("s"));
            var options = new LuExpressionConverterOptions
            {
                Parameter = Expression.Parameter(typeof(TestModel2), "x")
            };
            var converter = new LuExpressionConverterVisitor(options, GetServiceProvider());
            var result = converter.Visit(expDbo.Body);
            var lamdba = result != null ? Expression.Lambda<Func<TestModel2, bool>>(result, options.Parameter) : null;
            Assert.Equal(expModel.ToString(), lamdba?.ToString());
        }

        [Fact]
        public void Test7()
        {
            Expression<Func<TestDbo2, bool>> expDbo = (x => x.TestDbo1.Name.Contains("s"));
            Expression<Func<TestModel2, bool>> expModel = (x => x.TestModel1.Name.Contains("s"));
            var options = new LuExpressionConverterOptions
            {
                Parameter = Expression.Parameter(typeof(TestModel2), "x")
            };
            var converter = new LuExpressionConverterVisitor(options, GetServiceProvider());
            var result = converter.Visit(expDbo.Body);
            var lamdba = result != null ? Expression.Lambda<Func<TestModel2, bool>>(result, options.Parameter) : null;
            Assert.Equal(expModel.ToString(), lamdba?.ToString());
        }

        [Fact]
        public void Test8()
        {
            Expression<Func<TestDbo2, bool>> expDbo = (x => x.TestDbo1.Name.Contains(x.Name));
            Expression<Func<TestModel2, bool>> expModel = (x => x.TestModel1.Name.Contains(x.Name));
            var options = new LuExpressionConverterOptions
            {
                Parameter = Expression.Parameter(typeof(TestModel2), "x")
            };
            var converter = new LuExpressionConverterVisitor(options, GetServiceProvider());
            var result = converter.Visit(expDbo.Body);
            var lamdba = result != null ? Expression.Lambda<Func<TestModel2, bool>>(result, options.Parameter) : null;
            Assert.Equal(expModel.ToString(), lamdba?.ToString());
        }

        [Fact]
        public void Test9()
        {
            Expression<Func<TestDbo1, bool>> expDbo = (x => x.TestDbo2s.Any());
            Expression<Func<TestModel1, bool>> expModel = (x => x.TestModel2.Any());
            var options = new LuExpressionConverterOptions
            {
                Parameter = Expression.Parameter(typeof(TestModel1), "x")
            };
            var converter = new LuExpressionConverterVisitor(options, GetServiceProvider());
            var result = converter.Visit(expDbo.Body);
            var lamdba = result != null ? Expression.Lambda<Func<TestModel2, bool>>(result, options.Parameter) : null;
            Assert.Equal(expModel.ToString(), lamdba?.ToString());
        }

        [Fact]
        public void Test10()
        {
            Expression<Func<TestDbo1, bool>> expDbo = (x => x.TestDbo2s.Any(y => y.Name.Contains(x.Name + "s")));
            Expression<Func<TestModel1, bool>> expModel = (x => x.TestModel2.Any(y => y.Name.Contains(x.Name + "s")));
            var options = new LuExpressionConverterOptions
            {
                Parameter = Expression.Parameter(typeof(TestModel1), "x")
            };
            var converter = new LuExpressionConverterVisitor(options, GetServiceProvider());
            var result = converter.Visit(expDbo.Body);
            var lamdba = result != null ? Expression.Lambda<Func<TestModel2, bool>>(result, options.Parameter) : null;
            Assert.Equal(expModel.ToString(), lamdba?.ToString());
        }
    }
}