first commit

internal/server/server.go

@@ -0,0 +1,94 @@
+// Package server provides MCP server implementation.
+package server
+
+import (
+	"context"
+)
+
+// Config holds server configuration.
+type Config struct {
+	Mode      string `yaml:"mode"`
+	Transport string `yaml:"transport"`
+	Host      string `yaml:"host"`
+	Port      int    `yaml:"port"`
+}
+
+// Server defines the MCP server interface.
+type Server interface {
+	// Start begins listening for connections.
+	Start(ctx context.Context) error
+
+	// Stop gracefully shuts down the server.
+	Stop(ctx context.Context) error
+}
+
+// QueryRequest represents a search query.
+type QueryRequest struct {
+	Query     string  `json:"query"`
+	Limit     int     `json:"limit,omitempty"`
+	Threshold float64 `json:"threshold,omitempty"`
+}
+
+// QueryResponse represents search results.
+type QueryResponse struct {
+	Query   string   `json:"query"`
+	Results []Result `json:"results"`
+	Total   int      `json:"total"`
+	TookMs  int64    `json:"took_ms"`
+}
+
+// Result represents a single search result.
+type Result struct {
+	ID         string         `json:"id"`
+	DocumentID string         `json:"document_id"`
+	Content    string         `json:"content"`
+	Score      float64        `json:"score"`
+	Source     string         `json:"source"`
+	Metadata   map[string]any `json:"metadata,omitempty"`
+}
+
+// NewServer creates a new MCP server.
+func NewServer(config *Config) Server {
+	if config.Mode == "remote" {
+		return NewHTTPServer(config)
+	}
+	return NewStdioServer(config)
+}
+
+// NewHTTPServer creates an HTTP-based MCP server.
+func NewHTTPServer(config *Config) *HTTPServer {
+	return &HTTPServer{config: config}
+}
+
+// NewStdioServer creates a stdio-based MCP server.
+func NewStdioServer(config *Config) *StdioServer {
+	return &StdioServer{config: config}
+}
+
+// HTTPServer implements Server for HTTP transport.
+type HTTPServer struct {
+	config *Config
+}
+
+func (s *HTTPServer) Start(ctx context.Context) error {
+	// TODO: Implement HTTP server with MCP endpoints
+	return nil
+}
+
+func (s *HTTPServer) Stop(ctx context.Context) error {
+	return nil
+}
+
+// StdioServer implements Server for stdio transport.
+type StdioServer struct {
+	config *Config
+}
+
+func (s *StdioServer) Start(ctx context.Context) error {
+	// TODO: Implement stdio JSON-RPC server
+	return nil
+}
+
+func (s *StdioServer) Stop(ctx context.Context) error {
+	return nil
+}