// /utils/notifyFlags.js
'use strict';

const NOTIFY_FIELD_KEYS = [
  'notify',
  'notifySms',
  'notifyEmail',
  'notifyBot',
  'sendSms',
  'sendEmail',
  'sendBot'
];

const toFlag = (value, fallback = true) => {
  if (value === undefined || value === null || value === '') return fallback;
  if (typeof value === 'boolean') return value;
  if (typeof value === 'number') return value !== 0;
  if (typeof value === 'string') {
    const normalized = value.trim().toLowerCase();
    if (['false', '0', 'no', 'off'].includes(normalized)) return false;
    if (['true', '1', 'yes', 'on'].includes(normalized)) return true;
  }
  return fallback;
};

const pickNotifyFlags = (source = {}) => {
  const nested = source && typeof source.notify === 'object' && source.notify !== null
    ? source.notify
    : {};

  return {
    sms: toFlag(nested.sms ?? source.notifySms ?? source.sendSms, true),
    email: toFlag(nested.email ?? source.notifyEmail ?? source.sendEmail, true),
    bot: toFlag(nested.bot ?? source.notifyBot ?? source.sendBot, true)
  };
};

const omitNotifyFields = (source = {}) => {
  const next = { ...source };
  NOTIFY_FIELD_KEYS.forEach((key) => {
    delete next[key];
  });
  return next;
};

module.exports = {
  pickNotifyFlags,
  omitNotifyFields
};