using Xunit;
using OpenHarbor.MCP.Core.Models;

namespace OpenHarbor.MCP.Core.Tests.Models;

/// <summary>
/// Unit tests for RoutingContext model following TDD approach.
/// Tests routing metadata representation.
/// </summary>
public class RoutingContextTests
{
    [Fact]
    public void RoutingContext_WithToolName_CreatesSuccessfully()
    {
        // Arrange & Act
        var context = new RoutingContext
        {
            ToolName = "search_codex",
            ClientId = "web-client-123"
        };

        // Assert
        Assert.Equal("search_codex", context.ToolName);
        Assert.Equal("web-client-123", context.ClientId);
    }

    [Fact]
    public void RoutingContext_WithHeaders_StoresHeaderData()
    {
        // Arrange
        var headers = new Dictionary<string, string>
        {
            { "X-API-Key", "test-key" },
            { "User-Agent", "MCP-Client/1.0" }
        };

        // Act
        var context = new RoutingContext
        {
            Headers = headers
        };

        // Assert
        Assert.NotNull(context.Headers);
        Assert.Equal("test-key", context.Headers["X-API-Key"]);
    }

    [Fact]
    public void RoutingContext_WithMetadata_StoresAdditionalData()
    {
        // Arrange
        var metadata = new Dictionary<string, object>
        {
            { "priority", "high" },
            { "timeout", 5000 },
            { "authenticated", true }
        };

        // Act
        var context = new RoutingContext
        {
            Metadata = metadata
        };

        // Assert
        Assert.NotNull(context.Metadata);
        Assert.Equal("high", context.Metadata["priority"]);
        Assert.Equal(5000, context.Metadata["timeout"]);
        Assert.Equal(true, context.Metadata["authenticated"]);
    }

    [Fact]
    public void RoutingContext_Empty_AllowsNullProperties()
    {
        // Arrange & Act
        var context = new RoutingContext();

        // Assert
        Assert.Null(context.ToolName);
        Assert.Null(context.ClientId);
        Assert.Null(context.Headers);
        Assert.Null(context.Metadata);
    }
}