import type { Express } from "express";
import { createServer, type Server } from "http";
import { storage } from "./storage";
import { insertNewsletterSchema } from "@shared/schema";
import { z } from "zod";

export async function registerRoutes(app: Express): Promise<Server> {
  // Newsletter subscription endpoint
  app.post("/api/newsletter/subscribe", async (req, res) => {
    try {
      const validatedData = insertNewsletterSchema.parse(req.body);
      const newsletter = await storage.subscribeNewsletter(validatedData);
      res.json({ success: true, message: "Successfully subscribed to newsletter" });
    } catch (error) {
      if (error instanceof z.ZodError) {
        res.status(400).json({ success: false, message: "Invalid email address" });
      } else if (error instanceof Error && error.message === "Email already subscribed") {
        res.status(409).json({ success: false, message: "Email is already subscribed" });
      } else {
        res.status(500).json({ success: false, message: "Internal server error" });
      }
    }
  });

  const httpServer = createServer(app);
  return httpServer;
}