From b2239cde5f81a35db43ab84e1a560dfd006a7d39 Mon Sep 17 00:00:00 2001
From: mskim <mskim@rifatron.com>
Date: Wed, 10 Dec 2025 11:09:17 +0900
Subject: [PATCH] =?UTF-8?q?MVC=EA=B5=AC=EC=A1=B0=EB=A1=9C=20=EB=B3=80?=
 =?UTF-8?q?=EA=B2=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../dewey/api/controller/McpController.java   | 124 ++++++++++++++----
 1 file changed, 96 insertions(+), 28 deletions(-)

diff --git a/src/main/java/com/pandol365/dewey/api/controller/McpController.java b/src/main/java/com/pandol365/dewey/api/controller/McpController.java
index 82cdcb4..9ec22ca 100644
--- a/src/main/java/com/pandol365/dewey/api/controller/McpController.java
+++ b/src/main/java/com/pandol365/dewey/api/controller/McpController.java
@@ -1,40 +1,108 @@
 package com.pandol365.dewey.api.controller;
 
-import com.pandol365.dewey.api.response.McpHealthResponse;
-import com.pandol365.dewey.api.response.McpInfoResponse;
+import com.pandol365.dewey.api.dto.request.McpJsonRpcRequest;
+import com.pandol365.dewey.api.dto.response.McpJsonRpcResponse;
+import com.pandol365.dewey.api.service.McpService;
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.ResponseEntity;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
-import java.time.LocalDateTime;
+import java.util.Map;
 
+/**
+ * MCP (Model Context Protocol) 서버 컨트롤러
+ * MVC 패턴의 Controller 계층
+ * JSON-RPC 2.0 기반 엔드포인트 제공
+ */
+@Slf4j
 @RestController
-@RequestMapping("/api/mcp")
+@RequestMapping("/mcp")
 @RequiredArgsConstructor
 public class McpController {
-
-    @GetMapping("/health")
-    public ResponseEntity<McpHealthResponse> health() {
-        return ResponseEntity.ok(
-            McpHealthResponse.builder()
-                .status("UP")
-                .timestamp(LocalDateTime.now())
-                .build()
-        );
+    
+    private final McpService mcpService;
+    
+    /**
+     * MCP JSON-RPC 2.0 엔드포인트
+     * 모든 MCP 요청을 처리하는 통합 엔드포인트
+     */
+    @PostMapping
+    public ResponseEntity<McpJsonRpcResponse> handleMcpRequest(@RequestBody McpJsonRpcRequest request) {
+        log.info("MCP 요청 수신: method={}, id={}", request.getMethod(), request.getId());
+        
+        try {
+            Object result = processRequest(request);
+            
+            McpJsonRpcResponse response = McpJsonRpcResponse.builder()
+                    .jsonrpc("2.0")
+                    .id(request.getId())
+                    .result(result)
+                    .build();
+            
+            return ResponseEntity.ok(response);
+            
+        } catch (Exception e) {
+            log.error("MCP 요청 처리 중 오류 발생", e);
+            
+            McpJsonRpcResponse.McpError error = McpJsonRpcResponse.McpError.builder()
+                    .code(-32603) // Internal error
+                    .message(e.getMessage())
+                    .data(null)
+                    .build();
+            
+            McpJsonRpcResponse response = McpJsonRpcResponse.builder()
+                    .jsonrpc("2.0")
+                    .id(request.getId())
+                    .error(error)
+                    .build();
+            
+            return ResponseEntity.ok(response);
+        }
     }
-
-    @GetMapping("/info")
-    public ResponseEntity<McpInfoResponse> info() {
-        return ResponseEntity.ok(
-            McpInfoResponse.builder()
-                .name("Dewey MCP API")
-                .version("0.0.1-SNAPSHOT")
-                .description("Model Context Protocol API for Dewey")
-                .build()
-        );
+    
+    /**
+     * 요청 메서드에 따라 적절한 서비스 메서드 호출
+     */
+    @SuppressWarnings("unchecked")
+    private Object processRequest(McpJsonRpcRequest request) {
+        String method = request.getMethod();
+        McpJsonRpcRequest.McpParams params = request.getParams();
+        
+        return switch (method) {
+            case "initialize" -> mcpService.initialize(params);
+            case "tools/list" -> mcpService.listTools();
+            case "tools/call" -> {
+                Object args = params != null ? params.getArguments() : null;
+                if (args instanceof Map) {
+                    Map<String, Object> callArgs = (Map<String, Object>) args;
+                    String toolName = callArgs.get("name") != null ? callArgs.get("name").toString() : null;
+                    Object toolArguments = callArgs.get("arguments");
+                    yield mcpService.callTool(toolName, toolArguments);
+                }
+                yield mcpService.callTool(null, null);
+            }
+            case "resources/list" -> mcpService.listResources();
+            case "resources/read" -> {
+                String uri = params != null ? params.getUri() : null;
+                if (uri == null && params != null && params.getArguments() instanceof Map) {
+                    Map<String, Object> args = (Map<String, Object>) params.getArguments();
+                    uri = args.get("uri") != null ? args.get("uri").toString() : null;
+                }
+                yield mcpService.readResource(uri);
+            }
+            case "prompts/list" -> mcpService.listPrompts();
+            case "prompts/get" -> {
+                Object args = params != null ? params.getArguments() : null;
+                if (args instanceof Map) {
+                    Map<String, Object> promptArgs = (Map<String, Object>) args;
+                    String promptName = promptArgs.get("name") != null ? promptArgs.get("name").toString() : null;
+                    Object promptArguments = promptArgs.get("arguments");
+                    yield mcpService.getPrompt(promptName, promptArguments);
+                }
+                yield mcpService.getPrompt(null, null);
+            }
+            default -> throw new IllegalArgumentException("Unknown method: " + method);
+        };
     }
 }
-
-