import type { ExtensionAPI } from "@earendil-works/pi-coding-agent";

import verifiable from "../apps/verifier/verifiable.js";

/**
 * Installable Pi package entrypoint.
 *
 * Loading this package should be useful without forcing users to remember
 * `--verifiable`. The builder extension stays quiet until a turn ends, then
 * asks before running the verifier. Users can opt into fully automatic runs by
 * setting `PI_VERIFIER_REQUIRE_APPROVAL=0` before launching Pi.
 */
export default function piVerifierAgent(pi: ExtensionAPI): void {
  if (!envFlagEnabled("PI_VERIFIER_CHILD")) {
    process.env.PI_VERIFIER_AUTO = process.env.PI_VERIFIER_AUTO ?? "1";
    process.env.PI_VERIFIER_REQUIRE_APPROVAL =
      process.env.PI_VERIFIER_REQUIRE_APPROVAL ?? "1";
  }

  verifiable(pi as unknown as Parameters<typeof verifiable>[0]);
}

function envFlagEnabled(name: string): boolean {
  const value = process.env[name];
  if (!value) return false;
  return ["1", "true", "yes", "on"].includes(value.toLowerCase());
}