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";
import { MENU_TOOL_DEFINITIONS, handleMenuTool } from "./menu-toolkit";
import { SECTION_TOOL_DEFINITIONS, handleSectionTool } from "./section-toolkit";
const LOCAL_BACKEND_URL = process.env.MCP_BACKEND_URL_LOCAL || "http://localhost:3051/api";
const PRODUCTION_BACKEND_URL = process.env.MCP_BACKEND_URL_PRODUCTION || "https://api.homaroma.shop/api";

let BACKEND_URL = process.env.MCP_BACKEND_URL || LOCAL_BACKEND_URL;
const ADMIN_USERNAME = process.env.MCP_ADMIN_USERNAME || process.env.ADMIN_USERNAME || "admin";
const ADMIN_PASSWORD = process.env.MCP_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: "set_target_environment",
        description: "Switch the target environment for the MCP server (local or production)",
        inputSchema: {
          type: "object",
          properties: {
            env: { type: "string", enum: ["local", "production"] }
          },
          required: ["env"]
        }
      },
      ...MENU_TOOL_DEFINITIONS,
      ...SECTION_TOOL_DEFINITIONS,
      {
        name: "ping_backend",
        description: "Ping the backend to verify connection and authentication",
        inputSchema: { type: "object", properties: {} },
      },
      {
        name: "list_product_brands",
        description: "List all product brands with their translations",
        inputSchema: { type: "object", properties: {} }
      },
      {
        name: "list_categories",
        description: "List all product categories with their translations",
        inputSchema: { type: "object", properties: {} }
      },
      {
        name: "search_products",
        description: "Search for products and get their basic info. WARNING: Set a low 'limit' (e.g. 5) to prevent token overflow, as product details are massive.",
        inputSchema: {
          type: "object",
          properties: {
            search: { type: "string", description: "Search term" },
            limit: { type: "number", description: "Max results" },
            lang: { type: "string", description: "Language code (e.g. th, en, all)" },
            brandId: { type: "number", description: "Filter by brand ID" }
          }
        }
      },
      {
        name: "get_product_detail",
        description: "Get full product details including variants, images, and category",
        inputSchema: {
          type: "object",
          properties: {
            id: { type: "number", description: "Product ID" },
            lang: { type: "string", description: "Language code (e.g. th, en, all)" }
          },
          required: ["id"]
        }
      },
      {
        name: "update_category_translation",
        description: "Add or update translations for a specific category. Do NOT use this tool for products.",
        inputSchema: {
          type: "object",
          properties: {
            id: { type: "number", description: "Category ID" },
            lang: { type: "string", description: "Language code (th, en, ja, zh, vi, ko)" },
            name: { type: "string", description: "Translated category name" }
          },
          required: ["id", "lang", "name"]
        }
      },
      {
        name: "update_product_brand_translation",
        description: "Add or update translations for a specific product brand.",
        inputSchema: {
          type: "object",
          properties: {
            id: { type: "number", description: "Brand ID" },
            lang: { type: "string", description: "Language code (th, en, ja, zh, vi, ko)" },
            name: { type: "string", description: "Translated brand name" }
          },
          required: ["id", "lang", "name"]
        }
      },
      {
        name: "update_page_translation",
        description: "Add or update translations for a specific page.",
        inputSchema: {
          type: "object",
          properties: {
            id: { type: "number", description: "Page ID" },
            lang: { type: "string", description: "Language code (th, en, ja, zh, vi, ko)" },
            title: { type: "string", description: "Translated page title" }
          },
          required: ["id", "lang", "title"]
        }
      },
      {
        name: "update_page_translations",
        description: "Add or update multiple page title translations in one call. Use this when you want to set several languages at once instead of calling update_page_translation repeatedly.",
        inputSchema: {
          type: "object",
          properties: {
            id: { type: "number", description: "Page ID" },
            translations: {
              type: "object",
              description: "Language-code map for the page title, for example { \"th\": \"...\", \"en\": \"...\" }. Each key becomes or updates one locale."
            }
          },
          required: ["id", "translations"]
        }
      },

      {
        name: "update_menu_item_translation",
        description: "Add or update translations for a specific menu item.",
        inputSchema: {
          type: "object",
          properties: {
            id: { type: "number", description: "Menu Item ID" },
            lang: { type: "string", description: "Language code" },
            label: { type: "string", description: "Translated menu item label" }
          },
          required: ["id", "lang", "label"]
        }
      },
      {
        name: "update_store_settings_translation",
        description: "Update translated footer and newsletter text for a specific language.",
        inputSchema: {
          type: "object",
          properties: {
            lang: { type: "string" },
            footerDescription: { type: "string" },
            newsletterTitle: { type: "string" },
            newsletterDescription: { type: "string" },
            newsletterPlaceholder: { type: "string" },
            newsletterButtonText: { type: "string" }
          },
          required: ["lang"]
        }
      },
      {
        name: "update_theme_tokens",
        description: "Update the theme tokens (colors, fonts, shadows) in the store settings.",
        inputSchema: {
          type: "object",
          properties: {
            brandPrimary: { type: "string" },
            brandPrimaryHover: { type: "string" },
            brandAccent: { type: "string" },
            brandWarm: { type: "string" },
            brandCool: { type: "string" },
            brandSuccess: { type: "string" },
            brandSoft: { type: "string" },
            surfacePage: { type: "string" },
            surfaceNavRest: { type: "string" },
            surfaceCard: { type: "string" },
            textMain: { type: "string" },
            mutedText: { type: "string" },
            linePrimary: { type: "string" },
            linePrimaryHover: { type: "string" },
            fontBody: { type: "string" },
            fontDisplay: { type: "string" },
            shadowCard: { type: "string" },
            shadowCardHover: { type: "string" }
          }
        }
      },
      {
        name: "update_brand_name",
        description: "Update the brand name used across website and SPA headers, footers, and brand displays.",
        inputSchema: {
          type: "object",
          properties: {
            brandName: { type: "string", description: "Brand display name to store in system settings" }
          },
          required: ["brandName"]
        }
      },
      {
        name: "update_article_translation",
        description: "Add or update translations for a specific article.",
        inputSchema: {
          type: "object",
          properties: {
            id: { type: "number", description: "Article ID" },
            lang: { type: "string", description: "Language code" },
            title: { type: "string" },
            content: { type: "string" }
          },
          required: ["id", "lang"]
        }
      },
      {
        name: "create_product",
        description: "Create a new product. Minimum required fields are categoryId and brandId.",
        inputSchema: {
          type: "object",
          properties: {
            categoryId: { type: "number" },
            brandId: { type: "number" },
            name: { type: "string" },
            price: { type: "number" },
            description: { type: "string" },
            details: { type: "string" }
          },
          required: ["categoryId", "brandId"]
        }
      },
      {
        name: "update_product_content",
        description: "Update product basic content for the default/Thai translation. Note: If the Thai translation record does not exist yet, the 'name' field is strictly required, otherwise the backend will silently drop the update.",
        inputSchema: {
          type: "object",
          properties: {
            id: { type: "number" },
            name: { type: "string" },
            description: { type: "string" },
            details: { type: "string" },
          },
          required: ["id"]
        }
      },
      {
        name: "update_product_translation",
        description: "Update product translation for a specific language. Use this to add missing translations. Note: If adding a missing translation, the 'name' field is strictly required by the backend, otherwise the update will silently fail.",
        inputSchema: {
          type: "object",
          properties: {
            id: { type: "number", description: "Product ID" },
            lang: { type: "string", description: "Language code (e.g., en, ja, zh, vi, ko)" },
            name: { type: "string", description: "Translated product name" },
            description: { type: "string", description: "Translated description" },
            details: { type: "string", description: "Translated details (HTML or Markdown allowed)" }
          },
          required: ["id", "lang"]
        }
      },
      {
        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: "list_dynamic_pages",
        description: "List all dynamic pages and layouts managed by the CMS",
        inputSchema: { type: "object", properties: {} }
      },
      {
        name: "list_dynamic_pages_metadata",
        description: "List all dynamic pages and layouts managed by the CMS (metadata only)",
        inputSchema: { type: "object", properties: {} }
      },
      {
        name: "get_dynamic_page_detail",
        description: "Get full detail of a specific dynamic page by slug",
        inputSchema: {
          type: "object",
          properties: {
            slug: { type: "string", description: "Slug of the page" },
            includeInactive: { type: "boolean", description: "Include inactive sections" }
          },
          required: ["slug"]
        }
      },
      {
        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. Do not use reserved system slugs (e.g., shop, category, cart, checkout, account, article, etc.)." },
            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. Required if you are updating an existing page. Use list_dynamic_pages_metadata or get_dynamic_page_detail to find the ID first." }
          },
          required: ["title", "slug"]
        }
      },
      {
        name: "update_footer_content",
        description: "Update the content and links of the 4 Footer Blocks (Brand, Explore, Collections, Newsletter)",
        inputSchema: {
          type: "object",
          properties: {
            brandDescription: { type: "string", description: "Text for Block 1 (Brand tagline)" },
            socialLinks: { 
              type: "object", 
              description: "URLs for facebook, instagram, tiktok (e.g. { facebookUrl: '...' })",
              properties: {
                facebookUrl: { type: "string" },
                instagramUrl: { type: "string" },
                tiktokUrl: { type: "string" }
              }
            },
            exploreLinks: { 
              type: "array", 
              description: "Array of { label, url, order } for Block 2 (Explore)",
              items: {
                type: "object",
                properties: { label: { type: "string" }, url: { type: "string" }, order: { type: "number" } }
              }
            },
            collectionLinks: { 
              type: "array", 
              description: "Array of { label, url, order } for Block 3 (Collections)",
              items: {
                type: "object",
                properties: { label: { type: "string" }, url: { type: "string" }, order: { type: "number" } }
              }
            },
            supportLinks: { 
              type: "array", 
              description: "Array of { label, url, order } for Block 4 (Support/Legal)",
              items: {
                type: "object",
                properties: { label: { type: "string" }, url: { type: "string" }, order: { type: "number" } }
              }
            }
          }
        }
      },
    ],
  };
});

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

  try {
    const menuToolResponse = await handleMenuTool(api, request.params.name, params);
    if (menuToolResponse) {
      return menuToolResponse;
    }

    const sectionToolResponse = await handleSectionTool(api, request.params.name, params);
    if (sectionToolResponse) {
      return sectionToolResponse;
    }

    switch (request.params.name) {
      case "set_target_environment": {
        const env = params.env;
        if (env === "production") {
          BACKEND_URL = PRODUCTION_BACKEND_URL;
        } else {
          BACKEND_URL = LOCAL_BACKEND_URL;
        }
        api.defaults.baseURL = BACKEND_URL;
        authToken = ""; // reset token so it logs in again on next request
        return {
          content: [
            {
              type: "text",
              text: `✅ MCP Server target environment switched to [${env}]. Base URL is now: ${BACKEND_URL}`
            }
          ]
        };
      }
      case "ping_backend": {
        const res = await api.get("/products?limit=1");
        return { content: [{ type: "text", text: `Connection successful!` }] };
      }
      case "get_menu": {
        const res = await api.get(`/menus/${params.name}`);
        return { content: [{ type: "text", text: JSON.stringify(res.data, null, 2) }] };
      }
      case "list_product_brands": {
        const res = await api.get(`/products/brands`);
        return { content: [{ type: "text", text: JSON.stringify(res.data, null, 2) }] };
      }
      case "list_categories": {
        const res = await api.get(`/categories`);
        return { content: [{ type: "text", text: JSON.stringify(res.data, null, 2) }] };
      }
      case "search_products": {
        const search = params.search ? `&search=${encodeURIComponent(params.search)}` : "";
        const limit = params.limit ? `&limit=${params.limit}` : "&limit=10";
        const lang = params.lang ? `&lang=${params.lang}` : "";
        const brandId = params.brandId ? `&brandId=${params.brandId}` : "";
        const res = await api.get(`/products?${search}${limit}${lang}${brandId}`);
        return { content: [{ type: "text", text: JSON.stringify(res.data, null, 2) }] };
      }
      case "get_product_detail": {
        const lang = params.lang ? `?lang=${params.lang}` : "";
        const res = await api.get(`/products/${params.id}${lang}`);
        return { content: [{ type: "text", text: JSON.stringify(res.data, null, 2) }] };
      }
      case "create_product": {
        const res = await api.post(`/products`, params);
        return { content: [{ type: "text", text: JSON.stringify(res.data, null, 2) }] };
      }
      case "update_category_translation": {
        const { id, lang, name } = params as any;
        const res = await api.patch(`/categories/${id}/translations`, {
          name: { [lang]: name }
        });
        return {
          content: [{ type: "text", text: JSON.stringify(res.data, null, 2) }]
        };
      }
      case "update_product_brand_translation": {
        const { id, lang, name } = params as any;
        const res = await api.patch(`/products/brands/${id}/translations`, {
          name: { [lang]: name }
        });
        return { content: [{ type: "text", text: JSON.stringify(res.data, null, 2) }] };
      }
      case "update_page_translation": {
        const { id, lang, title } = params as any;
        const res = await api.patch(`/pages/${id}/translations`, {
          title: { [lang]: title }
        });
        return { content: [{ type: "text", text: JSON.stringify(res.data, null, 2) }] };
      }
      case "update_page_translations": {
        const { id, translations } = params as any;
        const res = await api.patch(`/pages/${id}/translations`, {
          title: translations
        });
        return { content: [{ type: "text", text: JSON.stringify({ success: true, pageId: id, translations: res.data?.translations ?? res.data, page: res.data?.page ?? res.data }, null, 2) }] };
      }

      case "update_menu_item_translation": {
        const { id, lang, label } = params as any;
        const res = await api.patch(`/menus/items/${id}/translations`, {
          label: { [lang]: label }
        });
        return { content: [{ type: "text", text: JSON.stringify(res.data, null, 2) }] };
      }
      case "update_store_settings_translation": {
        const { lang, footerDescription, newsletterTitle, newsletterDescription, newsletterPlaceholder, newsletterButtonText } = params as any;
        const payload: any = {};
        if (footerDescription) payload.footerDescription = { [lang]: footerDescription };
        if (newsletterTitle) payload.newsletterTitle = { [lang]: newsletterTitle };
        if (newsletterDescription) payload.newsletterDescription = { [lang]: newsletterDescription };
        if (newsletterPlaceholder) payload.newsletterPlaceholder = { [lang]: newsletterPlaceholder };
        if (newsletterButtonText) payload.newsletterButtonText = { [lang]: newsletterButtonText };
        const res = await api.patch(`/settings/translations`, payload);
        return { content: [{ type: "text", text: JSON.stringify(res.data, null, 2) }] };
      }
      case "update_theme_tokens": {
        const tokenParams = params as Record<string, string>;
        
        const currentSettingsRes = await api.get("/settings");
        const currentSettings = currentSettingsRes.data || {};
        const currentTokens = currentSettings.themeTokens || {};
        const newTokens = { ...currentTokens };
        
        const validKeys = [
          "brandPrimary", "brandPrimaryHover", "brandAccent", "brandWarm",
          "brandCool", "brandSuccess", "brandSoft", "surfacePage",
          "surfaceNavRest", "surfaceCard", "textMain", "mutedText",
          "linePrimary", "linePrimaryHover", "fontBody", "fontDisplay",
          "shadowCard", "shadowCardHover"
        ];
        
        for (const key of validKeys) {
          if (tokenParams[key] !== undefined) {
            newTokens[key] = tokenParams[key];
          }
        }
        
        const mergedSettings = { ...currentSettings, themeTokens: newTokens };
        
        for (const key in mergedSettings) {
          if (mergedSettings[key] === null) {
            delete mergedSettings[key];
          }
        }
        
        const res = await api.put("/settings", mergedSettings);
        return { content: [{ type: "text", text: "Theme tokens updated successfully:\\n" + JSON.stringify(res.data.themeTokens, null, 2) }] };
      }
      case "update_brand_name": {
        const { brandName } = params as any;
        const currentSettingsRes = await api.get("/settings");
        const currentSettings = currentSettingsRes.data || {};
        const mergedSettings = { ...currentSettings, brandName };

        for (const key in mergedSettings) {
          if (mergedSettings[key] === null) {
            delete mergedSettings[key];
          }
        }

        const res = await api.put("/settings", mergedSettings);
        return {
          content: [
            {
              type: "text",
              text: JSON.stringify(
                {
                  success: true,
                  tool: "update_brand_name",
                  brandName: res.data?.brandName ?? brandName,
                  settings: res.data
                },
                null,
                2
              )
            }
          ]
        };
      }
      case "update_article_translation": {
        const { id, lang, title, content } = params as any;
        const payload: any = {};
        if (title) payload.title = { [lang]: title };
        if (content) payload.content = { [lang]: content };
        const res = await api.patch(`/articles/${id}/translations`, payload);
        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;

        await api.patch(`/products/${params.id}`, payload);
        return { 
          content: [{ type: "text", text: JSON.stringify({ success: true, message: `Product ${params.id} updated successfully.` }, null, 2) }] 
        };
      }
      case "update_product_translation": {
        const payload: any = {};
        if (params.name) payload.name = { [params.lang]: params.name };
        if (params.description) payload.description = { [params.lang]: params.description };
        if (params.details) payload.details = { [params.lang]: params.details };

        await api.patch(`/products/${params.id}`, payload);
        return { 
          content: [{ type: "text", text: JSON.stringify({ success: true, message: `Translation for language '${params.lang}' updated successfully on product ${params.id}.` }, 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. Post the new image URL directly to the product
        const postRes = await api.post(`/products/${params.productId}/images`, {
          url: uploadedUrl
        });

        return { content: [{ type: "text", text: JSON.stringify({ success: true, imageUrl: uploadedUrl }, null, 2) }] };
      }
      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${search}`);
        return { content: [{ type: "text", text: JSON.stringify(res.data, null, 2) }] };
      }
      case "list_dynamic_pages": {
        const res = await api.get("/pages");
        return { content: [{ type: "text", text: JSON.stringify(res.data, null, 2) }] };
      }
      case "list_dynamic_pages_metadata": {
        const res = await api.get("/pages");
        let metadata = res.data;
        if (Array.isArray(metadata)) {
          metadata = metadata.map((p: any) => ({ id: p.id, slug: p.slug, title: p.title }));
        } else if (metadata && Array.isArray(metadata.data)) {
          metadata = {
            ...metadata,
            data: metadata.data.map((p: any) => ({ id: p.id, slug: p.slug, title: p.title }))
          };
        }
        return { content: [{ type: "text", text: JSON.stringify(metadata, null, 2) }] };
      }
      case "get_dynamic_page_detail": {
        const url = `/pages/${params.slug}` + (params.includeInactive ? "?includeInactive=true" : "");
        const res = await api.get(url);
        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);
        const pageData = res.data?.page ?? res.data;
        const normalized = {
          success: res.data?.success ?? ((res.status >= 200) && (res.status < 300)),
          operation: res.data?.operation ?? (params.id ? "update" : "create"),
          pageId: res.data?.pageId ?? pageData?.id ?? null,
          slug: res.data?.slug ?? pageData?.slug ?? params.slug,
          title: res.data?.title ?? pageData?.title ?? params.title,
          isPublished: res.data?.isPublished ?? pageData?.isPublished ?? payload.isPublished ?? true,
          diagnostic: res.data?.diagnostic ?? (params.id ? "Page updated successfully." : "Page created successfully."),
          page: pageData,
        };
        return { content: [{ type: "text", text: JSON.stringify(normalized, null, 2) }] };
      }
      case "update_footer_content": {
        const results = [];
        
        if (params.brandDescription !== undefined || params.socialLinks) {
          const settingsPayload: any = {};
          if (params.brandDescription !== undefined) settingsPayload.footerDescription = params.brandDescription;
          if (params.socialLinks?.facebookUrl !== undefined) settingsPayload.facebookUrl = params.socialLinks.facebookUrl;
          if (params.socialLinks?.instagramUrl !== undefined) settingsPayload.instagramUrl = params.socialLinks.instagramUrl;
          if (params.socialLinks?.tiktokUrl !== undefined) settingsPayload.tiktokUrl = params.socialLinks.tiktokUrl;
          
          if (Object.keys(settingsPayload).length > 0) {
            // First fetch existing settings because the backend requires full payload validation
            const currentSettingsRes = await api.get("/settings");
            const currentSettings = currentSettingsRes.data || {};
            
            const mergedSettings = { ...currentSettings, ...settingsPayload };
            // Remove null values so Elysia validation doesn't fail on t.Optional(t.String())
            for (const key in mergedSettings) {
              if (mergedSettings[key] === null) {
                delete mergedSettings[key];
              }
            }
            await api.put("/settings", mergedSettings);
            results.push({ type: "settings", status: "success" });
          }
        }
        
        if (params.exploreLinks) {
          await api.put("/menus/footer-explore", { items: params.exploreLinks });
          results.push({ type: "explore_links", status: "success" });
        }
        
        if (params.collectionLinks) {
          await api.put("/menus/footer-collections", { items: params.collectionLinks });
          results.push({ type: "collection_links", status: "success" });
        }
        
        if (params.supportLinks) {
          await api.put("/menus/footer-support", { items: params.supportLinks });
          results.push({ type: "support_links", status: "success" });
        }
        
        return { content: [{ type: "text", text: JSON.stringify(results, 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);