import {
  readCodexCliCredentialsCached,
  readQwenCliCredentialsCached,
  readMiniMaxCliCredentialsCached,
} from "../cli-credentials.js";
import {
  EXTERNAL_CLI_SYNC_TTL_MS,
  QWEN_CLI_PROFILE_ID,
  MINIMAX_CLI_PROFILE_ID,
  log,
} from "./constants.js";
import type { AuthProfileStore, OAuthCredential } from "./types.js";

const OPENAI_CODEX_DEFAULT_PROFILE_ID = "openai-codex:default";

type ExternalCliSyncOptions = {
  log?: boolean;
};

function shallowEqualOAuthCredentials(a: OAuthCredential | undefined, b: OAuthCredential): boolean {
  if (!a) {
    return false;
  }
  if (a.type !== "oauth") {
    return false;
  }
  return (
    a.provider === b.provider &&
    a.access === b.access &&
    a.refresh === b.refresh &&
    a.expires === b.expires &&
    a.email === b.email &&
    a.enterpriseUrl === b.enterpriseUrl &&
    a.projectId === b.projectId &&
    a.accountId === b.accountId
  );
}

/** Sync external CLI credentials into the store for a given provider. */
function syncExternalCliCredentialsForProvider(
  store: AuthProfileStore,
  profileId: string,
  provider: string,
  readCredentials: () => OAuthCredential | null,
  options: ExternalCliSyncOptions,
): boolean {
  const existing = store.profiles[profileId];
  const creds = readCredentials();
  if (!creds) {
    return false;
  }

  const existingOAuth = existing?.type === "oauth" ? existing : undefined;
  if (shallowEqualOAuthCredentials(existingOAuth, creds)) {
    return false;
  }

  store.profiles[profileId] = creds;
  if (options.log !== false) {
    log.info(`synced ${provider} credentials from external cli`, {
      profileId,
      expires: new Date(creds.expires).toISOString(),
    });
  }
  return true;
}

/**
 * Sync OAuth credentials from external CLI tools (Qwen Code CLI, MiniMax CLI, Codex CLI)
 * into the store.
 *
 * Returns true if any credentials were updated.
 */
export function syncExternalCliCredentials(
  store: AuthProfileStore,
  options: ExternalCliSyncOptions = {},
): boolean {
  let mutated = false;

  if (
    syncExternalCliCredentialsForProvider(
      store,
      QWEN_CLI_PROFILE_ID,
      "qwen-portal",
      () => readQwenCliCredentialsCached({ ttlMs: EXTERNAL_CLI_SYNC_TTL_MS }),
      options,
    )
  ) {
    mutated = true;
  }
  if (
    syncExternalCliCredentialsForProvider(
      store,
      MINIMAX_CLI_PROFILE_ID,
      "minimax-portal",
      () => readMiniMaxCliCredentialsCached({ ttlMs: EXTERNAL_CLI_SYNC_TTL_MS }),
      options,
    )
  ) {
    mutated = true;
  }
  if (
    syncExternalCliCredentialsForProvider(
      store,
      OPENAI_CODEX_DEFAULT_PROFILE_ID,
      "openai-codex",
      () => readCodexCliCredentialsCached({ ttlMs: EXTERNAL_CLI_SYNC_TTL_MS }),
      options,
    )
  ) {
    mutated = true;
  }

  return mutated;
}