import * as Effect from "effect/Effect";
import * as SqlClient from "effect/unstable/sql/SqlClient";

// Client-declared surface (web/desktop/mobile) and app version, refreshed on
// every WebSocket connect so the row tracks the client's current build instead
// of freezing at session issuance. Nullable: old clients never report them.
export default Effect.gen(function* () {
  const sql = yield* SqlClient.SqlClient;
  const columns = yield* sql<{ readonly name: string }>`
    PRAGMA table_info(auth_sessions)
  `;

  if (!columns.some((column) => column.name === "client_surface")) {
    yield* sql`
      ALTER TABLE auth_sessions
      ADD COLUMN client_surface TEXT
    `;
  }

  if (!columns.some((column) => column.name === "client_app_version")) {
    yield* sql`
      ALTER TABLE auth_sessions
      ADD COLUMN client_app_version TEXT
    `;
  }
});