import { DEFAULT_ACCOUNT_ID, type OpenClawConfig } from "openclaw/plugin-sdk/bluebubbles";

type BlueBubblesConfigPatch = {
  serverUrl?: string;
  password?: unknown;
  webhookPath?: string;
};

type AccountEnabledMode = boolean | "preserve-or-true";

function normalizePatch(
  patch: BlueBubblesConfigPatch,
  onlyDefinedFields: boolean,
): BlueBubblesConfigPatch {
  if (!onlyDefinedFields) {
    return patch;
  }
  const next: BlueBubblesConfigPatch = {};
  if (patch.serverUrl !== undefined) {
    next.serverUrl = patch.serverUrl;
  }
  if (patch.password !== undefined) {
    next.password = patch.password;
  }
  if (patch.webhookPath !== undefined) {
    next.webhookPath = patch.webhookPath;
  }
  return next;
}

export function applyBlueBubblesConnectionConfig(params: {
  cfg: OpenClawConfig;
  accountId: string;
  patch: BlueBubblesConfigPatch;
  onlyDefinedFields?: boolean;
  accountEnabled?: AccountEnabledMode;
}): OpenClawConfig {
  const patch = normalizePatch(params.patch, params.onlyDefinedFields === true);
  if (params.accountId === DEFAULT_ACCOUNT_ID) {
    return {
      ...params.cfg,
      channels: {
        ...params.cfg.channels,
        bluebubbles: {
          ...params.cfg.channels?.bluebubbles,
          enabled: true,
          ...patch,
        },
      },
    };
  }

  const currentAccount = params.cfg.channels?.bluebubbles?.accounts?.[params.accountId];
  const enabled =
    params.accountEnabled === "preserve-or-true"
      ? (currentAccount?.enabled ?? true)
      : (params.accountEnabled ?? true);

  return {
    ...params.cfg,
    channels: {
      ...params.cfg.channels,
      bluebubbles: {
        ...params.cfg.channels?.bluebubbles,
        enabled: true,
        accounts: {
          ...params.cfg.channels?.bluebubbles?.accounts,
          [params.accountId]: {
            ...currentAccount,
            enabled,
            ...patch,
          },
        },
      },
    },
  };
}