/**
 * Gives each user settings stored on the server, so that they follow the
 * account across browsers and the server can read them: the digests need the
 * reader's choice to receive them and their style. `user_settings` holds one
 * row per user who changed anything; a user without one has the defaults.
 *
 * @module
 */

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

/**
 * Run once by `runMigrations`. Existing users get no row, so they start with
 * the defaults, digests on, like a new account.
 */
export function up(db: DatabaseSync): void {
  db.exec(`
    CREATE TABLE IF NOT EXISTS user_settings (
      user_id        TEXT    PRIMARY KEY,
      style          TEXT,
      color_scheme   TEXT,
      digest_weekly  INTEGER NOT NULL DEFAULT 1,
      digest_monthly INTEGER NOT NULL DEFAULT 1,
      updated_at     TEXT    NOT NULL,
      FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
    );
  `);
}