using Gallium;
using Nitride.Contents;
using Xunit;
using Xunit.Abstractions;

namespace Nitride.Tests
{
    /// <summary>
    /// Tests the various functionality of the high-level content methods and
    /// extension methods.
    /// </summary>
    public class EntityContentTests : NitrideTestsBase
    {
        public EntityContentTests(ITestOutputHelper output)
            : base(output)
        {
        }

        [Fact]
        public void AddBinaryContent()
        {
            var content = new ByteArrayBinaryContent(new byte[0]);
            Entity entity = new Entity()
                .SetBinaryContent(content);

            Assert.Equal(1, entity.Count);
            Assert.True(entity.HasContent());
            Assert.True(entity.HasBinaryContent());
            Assert.False(entity.HasTextContent());
        }

        [Fact]
        public void AddTextContent()
        {
            var content = new StringTextContent("contents");
            Entity entity = new Entity()
                .SetTextContent(content);

            Assert.Equal(1, entity.Count);
            Assert.True(entity.HasContent());
            Assert.False(entity.HasBinaryContent());
            Assert.True(entity.HasTextContent());
        }

        [Fact]
        public void SwitchBinaryToTextContent()
        {
            var binaryContent = new ByteArrayBinaryContent(new byte[0]);
            var textContent = new StringTextContent("contents");
            Entity entity = new Entity()
                .SetBinaryContent(binaryContent)
                .SetTextContent(textContent);

            Assert.Equal(1, entity.Count);
            Assert.True(entity.HasContent());
            Assert.False(entity.HasBinaryContent());
            Assert.True(entity.HasTextContent());
        }

        [Fact]
        public void SwitchTextToBinaryContent()
        {
            var binaryContent = new ByteArrayBinaryContent(new byte[0]);
            var textContent = new StringTextContent("contents");
            Entity entity = new Entity()
                .SetContent<ITextContent>(textContent)
                .SetContent<IBinaryContent>(binaryContent);

            Assert.Equal(1, entity.Count);
            Assert.True(entity.HasContent());
            Assert.True(entity.HasBinaryContent());
            Assert.False(entity.HasTextContent());
        }
    }
}