import { seal, unseal, getCookieOptions } from 'cookie-handoff'

// Sender: seal payload and set cookie
const value = await seal({ userId: '123' }, process.env.SECRET!, 300)
response.cookies.set(
	'ctx',
	value,
	getCookieOptions('next', {
		name: 'ctx',
		domain: '.example.com',
		ttlSeconds: 300,
	})
)

// Receiver: read and unseal
const payload = await unseal<{ userId: string }>(cookieStore.get('ctx')?.value, process.env.SECRET!)

// Next.js: maxAge in seconds
response.cookies.set('ctx', value, {
	httpOnly: true,
	secure: true,
	sameSite: 'lax',
	maxAge: 300,
	path: '/',
	domain: '.example.com',
})

// app/api/redirect/route.ts
import { seal, getCookieOptions } from 'cookie-handoff';
import { NextResponse } from 'next/server';

export async function GET(request: Request) {
  const payload = { userId: '123', redirectTo: '/dashboard' };
  const value = await seal(payload, process.env.COOKIE_SECRET!, 300);

  const opts = getCookieOptions('next', {
    name: 'ctx',
    domain: '.example.com',
    ttlSeconds: 300,
  });
  const res = NextResponse.redirect('https://app.example.com');
  res.cookies.set(opts.name!, value, opts);
  return res;
}

// app/page.tsx (Server Component)
import { unseal } from 'cookie-handoff';
import { cookies } from 'next/headers';

export default async function Page() {
  const payload = await unseal<{ userId: string }>(
    (await cookies()).get('ctx')?.value,
    process.env.COOKIE_SECRET!
  );
  if (!payload) return <div>Invalid or expired</div>;
  return <div>Welcome {payload.userId}</div>;
}

import { seal, getCookieOptions } from 'cookie-handoff'

app.get('/redirect', async (req, res) => {
	const value = await seal({ userId: req.user!.id }, process.env.SECRET!, 300)
	const opts = getCookieOptions('express', {
		name: 'ctx',
		domain: '.example.com',
		ttlSeconds: 300,
	})
	res.cookie(opts.name!, value, opts)
	res.redirect('https://app.example.com')
})

import { seal, getCookieOptions } from 'cookie-handoff'

app.get('/redirect', async (c) => {
	const value = await seal({ userId: '123' }, process.env.SECRET!, 300)
	const opts = getCookieOptions('hono', {
		name: 'ctx',
		domain: '.example.com',
		ttlSeconds: 300,
	})
	setCookie(c, opts.name!, value, opts)
	return c.redirect('https://app.example.com')
})

import { clearCookieOptions } from 'cookie-handoff'

// Next.js
const opts = clearCookieOptions('next', { name: 'ctx', domain: '.example.com' })
response.cookies.set(opts.name!, '', opts)

// Or inline: maxAge: 0 clears the cookie
response.cookies.set('ctx', '', { maxAge: 0, path: '/', domain: '.example.com' })