BotSharp/tests/BotSharp.PizzaBot.MCPServer/Program.cs

using BotSharp.PizzaBot.MCPServer;
using ModelContextProtocol;

var builder = WebApplication.CreateBuilder(args);
builder.Services.AddMcpServer()
    .WithToolsFromAssembly();
var app = builder.Build();

app.MapGet("/", () => "This is a test server with only stub functionality!");
app.MapMcpSse();

app.Run();


//namespace BotSharp.PizzaBot.MCPServer
//{
//    internal class Program
//    {
//        private static HashSet<string> _subscribedResources = new();
//        private static readonly object _subscribedResourcesLock = new();

//        private static async Task Main(string[] args)
//        {
//            Console.WriteLine("Starting server...");

//            McpServerOptions options = new McpServerOptions()
//            {
//                ServerInfo = new Implementation() { Name = "PizzaServer", Version = "1.0.0" },
//                Capabilities = new ServerCapabilities()
//                {
//                     Tools = ConfigureTools(),                     
//                },
//                ProtocolVersion = "2024-11-05",
//                 ServerInstructions = "This is a test server with only stub functionality"
//            };
//            var loggerFactory = CreateLoggerFactory();
//            await using IMcpServer server = McpServerFactory.Create(new StdioServerTransport("TestServer", loggerFactory), options, loggerFactory);
//            Log.Logger.Information("Server initialized.");

//            await server.StartAsync();

//            Log.Logger.Information("Server started.");

//            // Run until process is stopped by the client (parent process)
//            while (true)
//            {
//                await Task.Delay(5000);

//                // Snapshot the subscribed resources, rather than locking while sending notifications
//                List<string> resources;
//                lock (_subscribedResourcesLock)
//                {
//                    resources = _subscribedResources.ToList();
//                }

//                foreach (var resource in resources)
//                {
//                    ResourceUpdatedNotificationParams notificationParams = new() { Uri = resource };
//                    await server.SendMessageAsync(new JsonRpcNotification()
//                    {
//                        Method = NotificationMethods.ResourceUpdatedNotification,
//                        Params = notificationParams
//                    });
//                }
//            }
//        }

//        private static ToolsCapability ConfigureTools()
//        {
//            return new()
//            {
//                ListToolsHandler = (request, cancellationToken) =>
//                {
//                    return Task.FromResult(new ListToolsResult()
//                    {
//                        Tools = [
//                             new Tool()
//                    {
//                        Name = "make_payment",
//                        Description = "call this function to make payment",
//                        InputSchema = new JsonSchema()
//                        {
//                            Type = "object",
//                            Properties = new Dictionary<string, JsonSchemaProperty>()
//                            {
//                                ["order_number"] = new JsonSchemaProperty() { Type = "string", Description = "order number." },
//                                ["total_amount"] = new JsonSchemaProperty() { Type = "string", Description = "total amount." },
//                            },
//                            Required = new List<string>() { "order_number", "total_amount" }
//                        },
//                        },
//                        new Tool()
//                        {
//                            Name = "get_pizza_prices",
//                            Description = "call this function to get pizza unit price",
//                            InputSchema = new JsonSchema()
//                            {
//                                Type = "object",
//                                Properties = new Dictionary<string, JsonSchemaProperty>()
//                                {
//                                    ["pizza_type"] = new JsonSchemaProperty() { Type = "string", Description = "The pizza type." },
//                                    ["quantity"] = new JsonSchemaProperty() { Type = "string", Description = "quantity of pizza." },

//                                },
//                                Required = new List<string>(){ "pizza_type", "quantity" }
//                            }
//                        },
//                        new Tool()
//                        {
//                            Name = "place_an_order",
//                            Description = "Place an order when user has confirmed the pizza type and quantity.",
//                            InputSchema = new JsonSchema()
//                            {
//                                Type = "object",
//                                Properties = new Dictionary<string, JsonSchemaProperty>()
//                                {
//                                    ["pizza_type"] = new JsonSchemaProperty() { Type = "string", Description = "The pizza type." },
//                                    ["quantity"] = new JsonSchemaProperty() { Type = "number", Description = "quantity of pizza." },
//                                    ["unit_price"] = new JsonSchemaProperty() { Type = "number", Description = "pizza unit price" },

//                                },
//                                Required = new List<string>(){"pizza_type", "quantity", "unit_price" }
//                            }
//                        }
//                            ]
//                    });
//                },

//                CallToolHandler = async (request, cancellationToken) =>
//                {
//                    if (request.Params.Name == "make_payment")
//                    {
//                        if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("order_number", out var order_number))
//                        {
//                            throw new McpServerException("Missing required argument 'order_number'");
//                        }
//                        if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("total_amount", out var total_amount))
//                        {
//                            throw new McpServerException("Missing required argument 'total_amount'");
//                        }
//                        //dynamic message = new ExpandoObject();
//                        //message.Transaction = Guid.NewGuid().ToString();
//                        //message.Status = "Success";

//                        //// Serialize the message to JSON
//                        //var jso = new JsonSerializerOptions() { WriteIndented = true };
//                        //var jsonMessage = JsonSerializer.Serialize(message, jso);

//                        return new CallToolResponse()
//                        {
//                            Content = [new Content() { Text = "Payment proceed successfully. Thank you for your business. Have a great day!", Type = "text" }]
//                        };
//                    }
//                    else if (request.Params.Name == "get_pizza_prices")
//                    {
//                        if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("pizza_type", out var pizza_type))
//                        {
//                            throw new McpServerException("Missing required argument 'pizza_type'");
//                        }
//                        if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("quantity", out var quantity))
//                        {
//                            throw new McpServerException("Missing required argument 'quantity'");
//                        }
//                        double unit_price = 0;
//                        if(pizza_type.ToString() == "Pepperoni Pizza")
//                        {
//                            unit_price = 3.2 * (int)quantity;
//                        }
//                        else if(pizza_type.ToString() == "Cheese Pizza")
//                        {
//                            unit_price = 3.5 * (int)quantity; ;
//                        }
//                        else if(pizza_type.ToString() == "Margherita Pizza")
//                        {
//                            unit_price = 3.8 * (int)quantity; ;
//                        }
//                        dynamic message = new ExpandoObject();
//                        message.unit_price = unit_price;
//                        var jso = new JsonSerializerOptions() { WriteIndented = true };
//                        var jsonMessage = JsonSerializer.Serialize(message, jso);
//                        return new CallToolResponse()
//                        {
//                            Content = [new Content() { Text = jsonMessage, Type = "text" }]
//                        };
//                    }
//                    else if (request.Params.Name == "place_an_order")
//                    {
//                        if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("pizza_type", out var pizza_type))
//                        {
//                            throw new McpServerException("Missing required argument 'pizza_type'");
//                        }
//                        if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("quantity", out var quantity))
//                        {
//                            throw new McpServerException("Missing required argument 'quantity'");
//                        }
//                        if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("unit_price", out var unit_price))
//                        {
//                            throw new McpServerException("Missing required argument 'unit_price'");
//                        }
//                        //dynamic message = new ExpandoObject();
//                        //message.order_number = "P123-01";
//                        //message.Content = "The order number is P123-01";
//                        //// Serialize the message to JSON
//                        //var jso = new JsonSerializerOptions() { WriteIndented = true };
//                        //var jsonMessage = JsonSerializer.Serialize(message, jso);
//                        return new CallToolResponse()
//                        {
//                            Content = [new Content() { Text = "The order number is P123-01: {order_number = \"P123-01\" }", Type = "text" }]
//                        };
//                    }
//                    else
//                    {
//                        throw new McpServerException($"Unknown tool: {request.Params.Name}");
//                    }
//                }
//            };
//        }
        

//        private static ILoggerFactory CreateLoggerFactory()
//        {
//            // Use serilog
//            Log.Logger = new LoggerConfiguration()
//                .MinimumLevel.Verbose() // Capture all log levels
//                .WriteTo.File(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "logs", "TestServer_.log"),
//                    rollingInterval: RollingInterval.Day,
//                    outputTemplate: "{Timestamp:yyyy-MM-dd HH:mm:ss.fff zzz} [{Level:u3}] {Message:lj}{NewLine}{Exception}")
//                .CreateLogger();

//            var logsPath = Path.Combine(AppContext.BaseDirectory, "testserver.log");
//            return LoggerFactory.Create(builder =>
//            {
//                builder.AddSerilog();
//            });
//        }
//    }
//}