using NUnit.Framework;
using SepCore.InputModule.Runtime;

namespace SepCore.InputModule.Tests
{
    public class BindingOverridePersistenceTests
    {
        [Test]
        public void SerializeV2_WrapsPayload()
        {
            string payload = "[{\"test\":true}]";
            string result = BindingOverridePersistence.Serialize(payload);

            Assert.That(result, Does.Contain("\"version\":2"));

            bool success = BindingOverridePersistence.TryDeserialize(result, out string deserialized);
            Assert.That(success, Is.True);
            Assert.That(deserialized, Is.EqualTo(payload));
        }

        [Test]
        public void TryDeserialize_V1RawJson_ReturnsTrueWithOriginalString()
        {
            string v1 = "[{\"action\":\"test\"}]";
            bool success = BindingOverridePersistence.TryDeserialize(v1, out string overridesJson);

            Assert.That(success, Is.True);
            Assert.That(overridesJson, Is.EqualTo(v1));
        }

        [Test]
        public void TryDeserialize_V2Wrapped_ReturnsTrueWithPayload()
        {
            string payload = "[{\"action\":\"test\"}]";
            string v2 = BindingOverridePersistence.Serialize(payload);
            bool success = BindingOverridePersistence.TryDeserialize(v2, out string overridesJson);

            Assert.That(success, Is.True);
            Assert.That(overridesJson, Is.EqualTo(payload));
        }

        [Test]
        public void TryDeserialize_CorruptedJson_ReturnsFalse()
        {
            bool success = BindingOverridePersistence.TryDeserialize("{not valid json", out _);
            Assert.That(success, Is.False);
        }

        [Test]
        public void TryDeserialize_FutureVersion_ReturnsFalse()
        {
            string future = "{\"version\":99,\"payload\":\"test\"}";
            bool success = BindingOverridePersistence.TryDeserialize(future, out _);
            Assert.That(success, Is.False);
        }

        [Test]
        public void TryDeserialize_EmptyData_ReturnsFalse()
        {
            bool success = BindingOverridePersistence.TryDeserialize("", out _);
            Assert.That(success, Is.False);
        }

        [Test]
        public void TryDeserialize_NullData_ReturnsFalse()
        {
            bool success = BindingOverridePersistence.TryDeserialize(null, out _);
            Assert.That(success, Is.False);
        }

        [Test]
        public void TryDeserialize_Whitespace_ReturnsFalse()
        {
            bool success = BindingOverridePersistence.TryDeserialize("   ", out _);
            Assert.That(success, Is.False);
        }
    }
}