using Microsoft.VisualStudio.TestTools.UnitTesting;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.Core.DI;

namespace Tango.UnitTesting
{
    [TestClass]
    [TestCategory("Dependency Injection")]
    public class DependencyInjection_TST
    {
        [TestMethod]
        public void Test_Tango_Dependency_Injection()
        {
            TangoIOC.Default.Register<IDataProvider, DataProvider>();
            TangoIOC.Default.Register<IService, Service>();
            TangoIOC.Default.Register<ViewModel>();

            var vm = TangoIOC.Default.GetInstance<ViewModel>();

            Assert.IsNotNull(vm);
            Assert.IsNotNull(vm.Service);
            Assert.IsNotNull(vm.DataProvider);
            Assert.IsNotNull(vm.Service.DataProvider);
            Assert.IsNotNull(vm.GetDataProvider());
        }

        public class ViewModel
        {
            [TangoInject]
            private IDataProvider _dataProvider;

            public IDataProvider GetDataProvider()
            {
                return _dataProvider;
            }

            public IService Service { get; set; }
            public IDataProvider DataProvider { get; set; }

            public ViewModel(IService service, IDataProvider dataProvider)
            {
                DataProvider = dataProvider;
                Service = service;
            }
        }

        public interface IDataProvider
        {

        }

        public class DataProvider : IDataProvider
        {

        }

        public interface IService
        {
            IDataProvider DataProvider { get; set; }
        }

        public class Service : IService
        {
            [TangoInject]
            public IDataProvider DataProvider { get; set; }
        }
    }
}