import { Elysia } from "elysia";
import { cors } from "@elysiajs/cors";
import { swagger } from "@elysiajs/swagger";
import { jwt } from "@elysiajs/jwt";
import { staticPlugin } from "@elysiajs/static";
import { categoriesRoute } from "./routes/categories";
import { productsRoute } from "./routes/products";
import { authRoute } from "./routes/auth";
import { uploadRoute } from "./routes/upload";
import { ordersRoute } from "./routes/orders";
import { settingsRoute } from "./routes/settings";
import { articlesRoute } from "./routes/articles";
import { tiktokRoute } from "./routes/tiktok";
import { rawMaterialsRoute } from "./routes/raw-materials";
import { shopeeRoute } from "./routes/shopee";
import { tiktokOrderRoute } from "./routes/tiktokOrder";
import { lazadaOrderRoute } from "./routes/lazadaOrder";
import { customersRoute } from "./routes/customers";
import { couponsRoute } from "./routes/coupons";
import { reviewsRoute } from "./routes/reviews";
import { promotionsRoute } from "./routes/promotions";
import { pagesRoute } from "./routes/pages";
import { paymentsRoute } from "./routes/payments";
import { profileRoute } from "./routes/profile";
import { lineRoutes } from "./routes/line";
import { menusRoute } from "./routes/menus";
import { newsletterRoute } from "./routes/newsletter";
import { mediaRoute } from "./routes/media";
import { contactsRoute } from "./routes/contacts";
import { productAttributesRoute } from "./routes/product-attributes";
import { backupRoute } from "./routes/backup";
import { businessAnalyticsRoute } from "./routes/businessAnalytics";
import { toolsRoute } from "./routes/tools";
import { crmRoute } from "./routes/crm";
import { brandKnowledgeRoute } from "./routes/brandKnowledge";
import { categorySectionsRoute } from "./routes/categorySections";
import { llmPromptsRoute } from "./routes/llmPrompts";
import { frameSequencesRoute } from "./routes/frame-sequences";
const PORT = process.env.PORT ? parseInt(process.env.PORT) : 3051;
const CORS_ORIGIN = process.env.CORS_ORIGIN || "http://localhost:5173";
const JWT_SECRET = process.env.JWT_SECRET || "homaroma_secret_2026_brand";
const isDevelopment = process.env.NODE_ENV !== "production";

const isPrivateLanHostname = (hostname: string) => {
  return (
    hostname === "localhost" ||
    hostname === "127.0.0.1" ||
    hostname === "0.0.0.0" ||
    hostname === "::1" ||
    /^10\.\d{1,3}\.\d{1,3}\.\d{1,3}$/.test(hostname) ||
    /^192\.168\.\d{1,3}\.\d{1,3}$/.test(hostname) ||
    /^172\.(1[6-9]|2\d|3[0-1])\.\d{1,3}\.\d{1,3}$/.test(hostname)
  );
};

const allowLanDevOrigin = (request: Request) => {
  const origin = request.headers.get("origin");
  if (!origin) return false;

  try {
    return isPrivateLanHostname(new URL(origin).hostname);
  } catch {
    return false;
  }
};

const app = new Elysia()
  .onRequest(({ request }) => {
    console.log(`\n➡️  [${request.method}] ${request.url}`);
  })
  .onAfterHandle(({ request, set }) => {
    console.log(`✅ [${request.method}] ${request.url} → ${set.status ?? 200}`);
  })
  .onError(({ request, error, set }) => {
    console.error(`❌ [${request.method}] ${request.url} → ${set.status ?? 500}`, error?.message ?? error);
  })
  .onParse(async ({ request }) => {
    console.log('[onParse] Incoming request URL:', request.url);
    if (request.url.includes('/api/line/webhook')) {
      const text = await request.text();
      console.log('[onParse] Intercepted LINE webhook raw body length:', text.length);
      return text;
    }
  })
  .use(
    cors({
      origin: [
        ...CORS_ORIGIN.split(",").map((o) => o.trim()),
        ...(isDevelopment ? [allowLanDevOrigin] : []),
        "https://admin.homaroma.shop",
        "https://spa.homaroma.shop", // LIFF (SPA)
        "https://homaroma.shop",      // Main Website
        "http://localhost:5174", // Admin
        "http://localhost:4173",
        "http://localhost:3001", // SSR Next.js
        "https://react5173.kitizone.com",
        "https://elysia3051.kitizone.com"
      ],
      methods: ["GET", "POST", "PUT", "DELETE", "PATCH", "OPTIONS"],
      credentials: true,
    })
  )
  .use(
    jwt({
      name: "jwt",
      secret: JWT_SECRET,
      exp: "24h",
    })
  )
  .use(
    swagger({
      documentation: {
        info: {
          title: "HomAroma API",
          version: "1.0.0",
          description: "API for HomAroma & Essential Oil Products",
        },
        tags: [
          { name: "categories", description: "Product categories" },
          { name: "products", description: "Products and variants" },
          { name: "auth", description: "Authentication for Admin" },
        ],
      },
    })
  )
  .use(staticPlugin({
    assets: "public",
    prefix: "", // use empty string for root
  }))
  .get("/", () => ({
    name: "HomAroma API",
    version: "1.0.0",
    status: "running",
    docs: `/swagger`,
  }))
  // Explicit route for uploads to guarantee it works even if staticPlugin fails
  .get("/uploads/:filename", ({ params: { filename }, set }) => {
    const file = Bun.file(`public/uploads/${filename}`);
    if (file.size === 0) {
      set.status = 404;
      return "File not found";
    }
    return file;
  })
  .get("/frame-sequences/:sequence/:filename", ({ params: { sequence, filename }, set }) => {
    const file = Bun.file(`public/frame-sequences/${sequence}/${filename}`);
    if (file.size === 0) {
      set.status = 404;
      return "File not found";
    }
    return file;
  })
  .group("/api", (app) =>
    app.use(authRoute).use(categoriesRoute).use(categorySectionsRoute).use(productsRoute).use(productAttributesRoute).use(uploadRoute).use(ordersRoute).use(settingsRoute).use(articlesRoute).use(tiktokRoute).use(rawMaterialsRoute).use(shopeeRoute).use(tiktokOrderRoute).use(lazadaOrderRoute).use(customersRoute).use(couponsRoute).use(reviewsRoute).use(promotionsRoute).use(pagesRoute).use(paymentsRoute).use(profileRoute).use(lineRoutes).use(menusRoute).use(newsletterRoute).use(mediaRoute).use(contactsRoute).use(backupRoute).use(businessAnalyticsRoute).use(toolsRoute).use(crmRoute).use(brandKnowledgeRoute).use(llmPromptsRoute).use(frameSequencesRoute)
  )
  .listen({ port: PORT, hostname: "0.0.0.0" });

console.log(
  `🌿 HomAroma API is running at http://${app.server?.hostname}:${app.server?.port}`
);
console.log(
  `📖 Swagger docs: http://${app.server?.hostname}:${app.server?.port}/swagger`
);