using NUnit.Framework;
using System;
using System.Collections.Generic;
using TINK.Services;

namespace TestShareeLib.Services
{
    [TestFixture]
    public class TestServicesContainerMutable
    {
        [Test]
        public void TestCtor()
        {
            var typeA = new MyTypeA();
            var typeB = new MyTypeB();

            var serviceContainer = new ServicesContainerMutable<object>(
                new List<object> { typeA, typeB, typeB },
                typeA.GetType().FullName);
            
            Assert.That(
                serviceContainer,
                Is.EqualTo(new List<object> { typeA, typeB}).AsCollection);

            Assert.That(
                serviceContainer.Active,
                Is.EqualTo(typeA));
        }

        [Test]
        public void TestSetActive()
        {
            var typeA = new MyTypeA();
            var typeB = new MyTypeB();

            var serviceContainer = new ServicesContainerMutable<object>(
                new List<object> { typeA, typeB },
                typeA.GetType().FullName);

            serviceContainer.SetActive(typeB.GetType().FullName);

            Assert.That(
                serviceContainer.Active,
                Is.EqualTo(typeB));
        }

        [Test]
        public void TestSetActiveNotExists()
        {
            var typeA = new MyTypeA();
            var typeB = new MyTypeB();

            var serviceContainer = new ServicesContainerMutable<object>(
                new List<object> { typeA, typeB },
                typeA.GetType().FullName);

            Assert.That(
                () => serviceContainer.SetActive(new MyTypeC().GetType().FullName),
                Throws.TypeOf<ArgumentException>());
        }

        private class MyTypeA {}

        private class MyTypeB { }

        private class MyTypeC { }
    }
}