/**
 * Adds `users.tokens_valid_after`, so that changing a password ends every
 * session opened before. Tokens are stateless JWTs, so lib/auth.ts refuses a
 * token issued before that time instead.
 *
 * @module
 */

import type { DatabaseSync } from "node:sqlite";

/**
 * Run once by `runMigrations`. Existing users start with NULL, which revokes no
 * token.
 */
export function up(db: DatabaseSync): void {
  const cols = db.prepare(`PRAGMA table_info(users);`).all() as {
    name: string;
  }[];
  if (!cols.some((c) => c.name === "tokens_valid_after")) {
    db.exec(`ALTER TABLE users ADD COLUMN tokens_valid_after TEXT;`);
  }
}