import { NextResponse } from "next/server";
import { readFileSync, writeFileSync } from "fs";
import { resolve } from "path";

const SUBMISSIONS_PATH = resolve(process.cwd(), "data/submissions.json");

export async function POST(request: Request) {
  try {
    const { name, email, message } = await request.json();

    if (!name || !email || !message) {
      return NextResponse.json({ error: "All fields are required" }, { status: 400 });
    }

    const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
    if (!emailRegex.test(email)) {
      return NextResponse.json({ error: "Invalid email" }, { status: 400 });
    }

    const submissions = JSON.parse(readFileSync(SUBMISSIONS_PATH, "utf-8"));
    submissions.push({
      name,
      email,
      message,
      createdAt: new Date().toISOString(),
    });
    writeFileSync(SUBMISSIONS_PATH, JSON.stringify(submissions, null, 2), "utf-8");

    return NextResponse.json({ success: true }, { status: 200 });
  } catch (err) {
    console.error("Contact form error:", err);
    return NextResponse.json({ error: "Server error" }, { status: 500 });
  }
}