homaroma/apps/mcp-server/index.ts

import { Server } from "@modelcontextprotocol/sdk/server/index.js";
import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
import {
  CallToolRequestSchema,
  ListToolsRequestSchema,
} from "@modelcontextprotocol/sdk/types.js";
import axios from "axios";
import FormData from "form-data";

const BACKEND_URL = process.env.BACKEND_URL || "http://localhost:3000/api";
const ADMIN_USERNAME = process.env.ADMIN_USERNAME || "admin";
const ADMIN_PASSWORD = process.env.ADMIN_PASSWORD || "homaroma123";

let authToken = "";

export const api = axios.create({
  baseURL: BACKEND_URL,
});

api.interceptors.request.use(async (config) => {
  if (!authToken && config.url !== "/auth/login") {
    console.error("[MCP] No token found. Attempting auto-login...");
    await performLogin();
  }
  if (authToken) {
    config.headers.Authorization = `Bearer ${authToken}`;
  }
  return config;
});

async function performLogin() {
  try {
    const res = await axios.post(`${BACKEND_URL}/auth/login`, {
      username: ADMIN_USERNAME,
      password: ADMIN_PASSWORD,
    });
    if (res.data && res.data.token) {
      authToken = res.data.token;
      console.error("[MCP] Successfully logged in to Backend API.");
    }
  } catch (err: any) {
    console.error("[MCP] Auto-login failed:", err.message);
  }
}

const server = new Server(
  {
    name: "homaroma-mcp",
    version: "1.0.0",
  },
  {
    capabilities: {
      tools: {},
    },
  }
);

server.setRequestHandler(ListToolsRequestSchema, async () => {
  return {
    tools: [
      {
        name: "ping_backend",
        description: "Ping the backend to verify connection and authentication",
        inputSchema: { type: "object", properties: {} },
      },
      {
        name: "search_products",
        description: "Search for products and get their basic info",
        inputSchema: {
          type: "object",
          properties: {
            search: { type: "string", description: "Search term" },
            limit: { type: "number", description: "Max results" }
          }
        }
      },
      {
        name: "get_product_detail",
        description: "Get full product details including variants, images, and category",
        inputSchema: {
          type: "object",
          properties: {
            id: { type: "number", description: "Product ID" }
          },
          required: ["id"]
        }
      },
      {
        name: "update_product_content",
        description: "Update product basic content (name, description, details)",
        inputSchema: {
          type: "object",
          properties: {
            id: { type: "number" },
            name: { type: "string" },
            description: { type: "string" },
            details: { type: "string" },
          },
          required: ["id"]
        }
      },
      {
        name: "upload_product_image_from_url",
        description: "Download image from URL, upload to backend, and append to product images",
        inputSchema: {
          type: "object",
          properties: {
            productId: { type: "number" },
            imageUrl: { type: "string", description: "URL of the image to download" }
          },
          required: ["productId", "imageUrl"]
        }
      },
      {
        name: "generate_mock_review",
        description: "Create a dummy review for a product",
        inputSchema: {
          type: "object",
          properties: {
            productId: { type: "number" },
            rating: { type: "number", description: "1-5" },
            comment: { type: "string" },
            customerName: { type: "string", description: "Name of the mock reviewer" }
          },
          required: ["productId", "rating", "customerName"]
        }
      },
      {
        name: "get_order_status",
        description: "Get the status and details of a specific order",
        inputSchema: {
          type: "object",
          properties: {
            orderId: { type: "number" }
          },
          required: ["orderId"]
        }
      },
      {
        name: "list_pending_orders",
        description: "List orders that are pending payment or processing",
        inputSchema: {
          type: "object",
          properties: {
            limit: { type: "number", description: "Max results" }
          }
        }
      },
      {
        name: "update_order_tracking",
        description: "Update the tracking number of an order and optionally its status",
        inputSchema: {
          type: "object",
          properties: {
            orderId: { type: "number" },
            trackingNo: { type: "string" },
            status: { type: "string", description: "Optional status to update (e.g. SHIPPED)" }
          },
          required: ["orderId", "trackingNo"]
        }
      },
      {
        name: "search_customer",
        description: "Search for customers by name, email, phone, or line ID",
        inputSchema: {
          type: "object",
          properties: {
            search: { type: "string", description: "Search term" }
          }
        }
      },
      {
        name: "adjust_customer_points",
        description: "Add or deduct points for a customer",
        inputSchema: {
          type: "object",
          properties: {
            id: { type: "number", description: "Customer ID" },
            pointsDelta: { type: "number", description: "Amount of points to add (positive) or deduct (negative)" },
            reason: { type: "string", description: "Reason for the adjustment" }
          },
          required: ["id", "pointsDelta"]
        }
      },
      {
        name: "generate_special_coupon",
        description: "Generate a special discount coupon",
        inputSchema: {
          type: "object",
          properties: {
            code: { type: "string", description: "Coupon code (e.g. VIP20)" },
            type: { type: "string", description: "PERCENTAGE, FIXED_AMOUNT, or FREE_SHIPPING" },
            value: { type: "number", description: "Discount value" },
            minPurchase: { type: "number", description: "Minimum purchase amount" },
            maxDiscount: { type: "number", description: "Maximum discount amount for PERCENTAGE type" },
            usageLimit: { type: "number", description: "Maximum number of times this coupon can be used" },
            expiresAt: { type: "string", description: "ISO date string for expiration" }
          },
          required: ["code", "type", "value"]
        }
      },
      {
        name: "list_dynamic_pages",
        description: "List all dynamic pages and layouts managed by the CMS",
        inputSchema: { type: "object", properties: {} }
      },
      {
        name: "create_dynamic_page",
        description: "Create or update a dynamic page or layout",
        inputSchema: {
          type: "object",
          properties: {
            title: { type: "string", description: "Title of the page" },
            slug: { type: "string", description: "Unique slug identifier (e.g. about-us)" },
            isPublished: { type: "boolean", description: "Publish status" },
            status: { type: "string", description: "Publish status (e.g. 'published' or 'draft')" },
            metadata: { type: "object", description: "SEO metadata" },
            id: { type: "number", description: "Numeric page ID (if updating existing page)" }
          },
          required: ["title", "slug"]
        }
      },
      {
        name: "add_page_section",
        description: "Add a block section to a dynamic page layout",
        inputSchema: {
          type: "object",
          properties: {
            pageId: { type: "number", description: "The numeric ID of the page" },
            type: { type: "string", description: "Block type (e.g. HERO, ANNOUNCEMENT_BAR, NEWSLETTER, EDITORIAL_TILE, EDITORIAL_CAROUSEL, PRODUCTS, CATEGORIES, TEXT, BANNER, HERO_ARTICLE, RICH_TEXT, SCENT_NOTES_BREAKDOWN, QUOTE_CALLOUT, PRODUCT_CAROUSEL)" },
            order: { type: "number", description: "Display order sequence (starts at 1)" },
            payload: { type: "object", description: "The JSON payload matching the section type rules" },
            isActive: { type: "boolean", description: "Initial active state" }
          },
          required: ["pageId", "type", "payload"]
        }
      },
      {
        name: "update_page_section",
        description: "Update an existing block section payload, order or active state",
        inputSchema: {
          type: "object",
          properties: {
            sectionId: { type: "number", description: "The numeric ID of the section to update" },
            type: { type: "string", description: "Optional new block type" },
            order: { type: "number", description: "Optional new display order sequence" },
            payload: { type: "object", description: "Optional new JSON payload matching the section type rules" },
            isActive: { type: "boolean", description: "Optional new active state" }
          },
          required: ["sectionId"]
        }
      },
      {
        name: "delete_page_section",
        description: "Delete a block section from a dynamic page layout",
        inputSchema: {
          type: "object",
          properties: {
            sectionId: { type: "number", description: "The numeric ID of the section to delete" }
          },
          required: ["sectionId"]
        }
      }
    ],
  };
});

server.setRequestHandler(CallToolRequestSchema, async (request) => {
  const params = request.params.arguments as any;

  try {
    switch (request.params.name) {
      case "ping_backend": {
        const res = await api.get("/products?limit=1");
        return { content: [{ type: "text", text: `Connection successful!` }] };
      }
      case "search_products": {
        const search = params.search ? `&search=${encodeURIComponent(params.search)}` : "";
        const limit = params.limit ? `&limit=${params.limit}` : "&limit=10";
        const res = await api.get(`/products?${search}${limit}`);
        return { content: [{ type: "text", text: JSON.stringify(res.data, null, 2) }] };
      }
      case "get_product_detail": {
        const res = await api.get(`/products/${params.id}`);
        return { content: [{ type: "text", text: JSON.stringify(res.data, null, 2) }] };
      }
      case "update_product_content": {
        const payload: any = {};
        if (params.name) payload.name = params.name;
        if (params.description) payload.description = params.description;
        if (params.details) payload.details = params.details;

        const res = await api.patch(`/products/${params.id}`, payload);
        return { content: [{ type: "text", text: JSON.stringify(res.data, null, 2) }] };
      }
      case "upload_product_image_from_url": {
        // 1. Download image
        const imgRes = await axios.get(params.imageUrl, { responseType: 'arraybuffer' });
        const buffer = Buffer.from(imgRes.data, 'binary');
        const ext = params.imageUrl.split('.').pop()?.split('?')[0] || 'jpg';
        
        // 2. Upload to backend
        const formData = new FormData();
        formData.append('file', buffer, { filename: `download.${ext}` });
        
        const uploadRes = await api.post('/upload', formData, {
          headers: formData.getHeaders()
        });
        const uploadedUrl = uploadRes.data.url;

        // 3. Get current product to append image
        const prodRes = await api.get(`/products/${params.productId}`);
        const product = prodRes.data;
        const newImages = [...product.images, { url: uploadedUrl, order: product.images.length }];

        // 4. Update product (using PUT to sync variants and images)
        // Ensure we pass required fields
        const putRes = await api.put(`/products/${params.productId}`, {
          categoryId: product.categoryId,
          description: product.description,
          details: product.details,
          variants: product.variants,
          images: newImages
        });

        return { content: [{ type: "text", text: `Image uploaded and product updated. New image URL: ${uploadedUrl}` }] };
      }
      case "generate_mock_review": {
        const res = await api.post("/reviews", {
          productId: params.productId,
          rating: params.rating,
          comment: params.comment,
          customerName: params.customerName
        });
        return { content: [{ type: "text", text: JSON.stringify(res.data, null, 2) }] };
      }
      case "get_order_status": {
        const res = await api.get(`/orders/${params.orderId}`);
        return { content: [{ type: "text", text: JSON.stringify(res.data, null, 2) }] };
      }
      case "list_pending_orders": {
        const res = await api.get(`/orders`);
        const pending = res.data.filter((o: any) => o.status === "PENDING_PAYMENT" || o.status === "PENDING" || o.status === "PROCESSING");
        if (params.limit) {
          pending.splice(params.limit);
        }
        return { content: [{ type: "text", text: JSON.stringify(pending, null, 2) }] };
      }
      case "update_order_tracking": {
        const payload: any = { trackingNo: params.trackingNo };
        const res1 = await api.patch(`/orders/${params.orderId}/tracking`, payload);
        
        let result = res1.data;
        if (params.status) {
          const res2 = await api.patch(`/orders/${params.orderId}/status`, { status: params.status });
          result = res2.data;
        }
        return { content: [{ type: "text", text: JSON.stringify(result, null, 2) }] };
      }
      case "search_customer": {
        const search = params.search ? `?search=${encodeURIComponent(params.search)}` : "";
        const res = await api.get(`/customers${search}`);
        return { content: [{ type: "text", text: JSON.stringify(res.data, null, 2) }] };
      }
      case "adjust_customer_points": {
        const payload = { pointsDelta: params.pointsDelta, reason: params.reason };
        const res = await api.patch(`/customers/${params.id}/points`, payload);
        return { content: [{ type: "text", text: JSON.stringify(res.data, null, 2) }] };
      }
      case "generate_special_coupon": {
        const payload = {
          code: params.code,
          type: params.type,
          value: params.value,
          minPurchase: params.minPurchase,
          maxDiscount: params.maxDiscount,
          usageLimit: params.usageLimit,
          expiresAt: params.expiresAt
        };
        const res = await api.post(`/coupons`, payload);
        return { content: [{ type: "text", text: JSON.stringify(res.data, null, 2) }] };
      }
      case "list_dynamic_pages": {
        const res = await api.get("/pages");
        return { content: [{ type: "text", text: JSON.stringify(res.data, null, 2) }] };
      }
      case "create_dynamic_page": {
        const payload: any = {
          title: params.title,
          slug: params.slug,
        };
        if (params.isPublished !== undefined) payload.isPublished = params.isPublished;
        if (params.status !== undefined) payload.status = params.status;
        if (params.metadata !== undefined) payload.metadata = params.metadata;
        if (params.id) {
          payload.id = params.id;
        }
        const res = await api.post("/pages", payload);
        return { content: [{ type: "text", text: JSON.stringify(res.data, null, 2) }] };
      }
      case "add_page_section": {
        const payload: any = {
          type: params.type,
          payload: params.payload,
          isActive: params.isActive !== false
        };
        if (params.order !== undefined) payload.order = params.order;
        const res = await api.post(`/pages/${params.pageId}/sections`, payload);
        return { content: [{ type: "text", text: JSON.stringify(res.data, null, 2) }] };
      }
      case "update_page_section": {
        const payload: any = {};
        if (params.type) payload.type = params.type;
        if (params.order !== undefined) payload.order = params.order;
        if (params.payload) payload.payload = params.payload;
        if (params.isActive !== undefined) payload.isActive = params.isActive;
        const res = await api.put(`/pages/sections/${params.sectionId}`, payload);
        return { content: [{ type: "text", text: JSON.stringify(res.data, null, 2) }] };
      }
      case "delete_page_section": {
        const res = await api.delete(`/pages/sections/${params.sectionId}`);
        return { content: [{ type: "text", text: JSON.stringify(res.data, null, 2) }] };
      }
      default:
        throw new Error(`Unknown tool: ${request.params.name}`);
    }
  } catch (err: any) {
    const errorMsg = err.response?.data ? JSON.stringify(err.response.data) : err.message;
    return {
      content: [{ type: "text", text: `Error executing tool: ${errorMsg}` }],
      isError: true,
    };
  }
});

async function main() {
  await performLogin();
  const transport = new StdioServerTransport();
  await server.connect(transport);
  console.error("HomAroma MCP Server running on stdio");
}

main().catch(console.error);