// The claude login dialog's steps, kept out of the component so `npm test`
// runs them. The routes are swarm-controller's `claude_login` module.
import type { ProblemDetails } from "@hive/shared/api-error.js";

export type LoginStep =
  | { step: "starting" }
  | { step: "code"; url: string }
  | { step: "submitting"; url: string }
  | { step: "stored" }
  | { step: "failed"; problem: ProblemDetails };

export function claudeLoginPath(agent: string, code = false): string {
  return `/api/agents/${encodeURIComponent(agent)}/claude-login${code ? "/code" : ""}`;
}

// The step after the start answered: its URL, or why there is none.
export function afterStart(
  answer: { url: string } | { problem: ProblemDetails },
): LoginStep {
  return "url" in answer
    ? { step: "code", url: answer.url }
    : { step: "failed", problem: answer.problem };
}

// The step after the code was posted. The minter ends the login on a
// refused code, so the next attempt is a fresh start.
export function afterCode(problem: ProblemDetails | null): LoginStep {
  return problem === null ? { step: "stored" } : { step: "failed", problem };
}

// Whether closing the dialog leaves a login running that should be
// stopped.
export function leavesLoginRunning(s: LoginStep): boolean {
  return s.step === "code";
}

// What the code form may submit: the pasted code without surrounding
// whitespace, or nothing.
export function pastedCode(raw: string): string | null {
  const code = raw.trim();
  return code === "" ? null : code;
}