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

namespace OpenHarbor.MCP.Gateway.Core.Tests.Models;

/// <summary>
/// Unit tests for ServerConfig model following TDD approach.
/// Tests server configuration.
/// </summary>
public class ServerConfigTests
{
    [Fact]
    public void ServerConfig_WithStdioTransport_CreatesSuccessfully()
    {
        // Arrange & Act
        var config = new ServerConfig
        {
            Id = "codex-server",
            Name = "Codex MCP Server",
            TransportType = "Stdio",
            Command = "dotnet",
            Args = new[] { "run", "--project", "CodexMcpServer.csproj" },
            Enabled = true
        };

        // Assert
        Assert.Equal("codex-server", config.Id);
        Assert.Equal("Codex MCP Server", config.Name);
        Assert.Equal("Stdio", config.TransportType);
        Assert.Equal("dotnet", config.Command);
        Assert.NotNull(config.Args);
        Assert.Equal(3, config.Args.Length);
        Assert.True(config.Enabled);
        Assert.Null(config.BaseUrl);
    }

    [Fact]
    public void ServerConfig_WithHttpTransport_CreatesSuccessfully()
    {
        // Arrange & Act
        var config = new ServerConfig
        {
            Id = "api-server",
            Name = "API MCP Server",
            TransportType = "Http",
            BaseUrl = "https://api.example.com/mcp"
        };

        // Assert
        Assert.Equal("Http", config.TransportType);
        Assert.Equal("https://api.example.com/mcp", config.BaseUrl);
        Assert.Null(config.Command);
        Assert.Null(config.Args);
    }

    [Fact]
    public void ServerConfig_DefaultEnabled_IsTrue()
    {
        // Arrange & Act
        var config = new ServerConfig
        {
            Id = "default-server"
        };

        // Assert
        Assert.True(config.Enabled);
        Assert.Equal("Stdio", config.TransportType);
    }

    [Fact]
    public void ServerConfig_WithMetadata_StoresCorrectly()
    {
        // Arrange & Act
        var config = new ServerConfig
        {
            Id = "meta-server",
            Metadata = new Dictionary<string, string>
            {
                { "priority", "high" },
                { "region", "us-west" }
            }
        };

        // Assert
        Assert.NotNull(config.Metadata);
        Assert.Equal("high", config.Metadata["priority"]);
    }
}