import { Context, Next } from 'hono';
import { getCookie } from 'hono/cookie';

export interface AuthSession {
  id: string;
  name: string;
  email: string | null;
  isAdmin: boolean;
}

export async function requireAuth(c: Context, next: Next) {
  const sessionCookie = getCookie(c, 'session');

  if (!sessionCookie) {
    return c.json({ error: 'Authentication required' }, 401);
  }

  try {
    const session: AuthSession = sessionCookie ? JSON.parse(sessionCookie) : null;
    if (!session) {
      return c.json({ error: 'Authentication required' }, 401);
    }
    c.set('session', session);
    await next();
  } catch (error) {
    console.error('[Middleware] Failed to parse session cookie:', error);
    return c.json({ error: 'Invalid session' }, 401);
  }
}

export async function requireAdmin(c: Context, next: Next) {
  const sessionCookie = getCookie(c, 'session');

  if (!sessionCookie) {
    return c.json({ error: 'Authentication required' }, 401);
  }

  try {
    const session: AuthSession = sessionCookie ? JSON.parse(sessionCookie) : null;

    if (!session || !session.isAdmin) {
      return c.json({ error: 'Admin access required' }, 403);
    }

    c.set('session', session);
    await next();
  } catch (error) {
    console.error('[Middleware] Failed to parse session cookie in requireAdmin:', error);
    return c.json({ error: 'Invalid session' }, 401);
  }
}