using Grpc.Core;
using Xunit;

namespace Robotico.Nexus.Client.Tests;

public class NexusCallMetadataTests
{
    [Fact]
    public void Build_Sets_DatabaseHeader_Only_WhenNoBearerToken()
    {
        Metadata metadata = NexusCallMetadata.Build("pathways", null);

        Assert.Equal("pathways", metadata.GetValue(NexusCallMetadata.DatabaseKey));
        Assert.Null(metadata.GetValue("Authorization"));
    }

    [Fact]
    public void Build_Sets_DatabaseHeader_And_BlankBearerToken_IsIgnored()
    {
        Metadata metadata = NexusCallMetadata.Build("pathways", "   ");

        Assert.Null(metadata.GetValue("Authorization"));
    }

    [Fact]
    public void Build_Adds_BearerPrefix_WhenMissing()
    {
        Metadata metadata = NexusCallMetadata.Build("pathways", "abc123");

        Assert.Equal("Bearer abc123", metadata.GetValue("Authorization"));
    }

    [Fact]
    public void Build_DoesNotDuplicate_BearerPrefix_WhenAlreadyPresent()
    {
        Metadata metadata = NexusCallMetadata.Build("pathways", "Bearer abc123");

        Assert.Equal("Bearer abc123", metadata.GetValue("Authorization"));
    }
}