import Redis from "ioredis";

export type SessionUser = {
  id: string;
  email: string;
  role: "model" | "viewer";
  is_admin: boolean;
  first_name: string | null;
  last_name: string | null;
  artist_name: string | null;
  slug: string | null;
  avatar: string | null;
};

export const redis = new Redis(process.env.REDIS_URL || "redis://localhost:6379");

export async function setSession(token: string, user: SessionUser): Promise<void> {
  await redis.set(`session:${token}`, JSON.stringify(user), "EX", 86400);
}

export async function getSession(token: string): Promise<SessionUser | null> {
  const data = await redis.get(`session:${token}`);
  if (!data) return null;
  // Slide the expiration window on every access
  await redis.expire(`session:${token}`, 86400);
  return JSON.parse(data) as SessionUser;
}

export async function deleteSession(token: string): Promise<void> {
  await redis.del(`session:${token}`);
}