export const normalizeAdminSettings = (raw) => {
  if (!raw) {
    return null;
  }
  return {
    scheduleCron: raw.scheduleCron || '',
    randomDelayMinSeconds: raw.randomDelayMinSeconds ?? '',
    randomDelayMaxSeconds: raw.randomDelayMaxSeconds ?? '',
    initialDelayMinSeconds: raw.initialDelayMinSeconds ?? '',
    initialDelayMaxSeconds: raw.initialDelayMaxSeconds ?? '',
    storePickupCheckDelayMs: raw.storePickupCheckDelayMs ?? '',
    storeWatchCron: raw.storeWatchCron || '',
    storeWatchInitialDelayMinSeconds: raw.storeWatchInitialDelayMinSeconds ?? '',
    storeWatchInitialDelayMaxSeconds: raw.storeWatchInitialDelayMaxSeconds ?? '',
    ignoredSlots: Array.isArray(raw.ignoredSlots)
      ? raw.ignoredSlots.map((slot) => ({
          storeId: slot?.storeId ? String(slot.storeId) : '',
          description: slot?.description || ''
        }))
      : [],
    notifications: {
      ntfy: {
        enabled: !!raw.notifications?.ntfy?.enabled,
        serverUrl: raw.notifications?.ntfy?.serverUrl || 'https://ntfy.sh',
        topicPrefix: raw.notifications?.ntfy?.topicPrefix || '',
        username: raw.notifications?.ntfy?.username || '',
        password: raw.notifications?.ntfy?.password || ''
      },
      telegram: {
        enabled: !!raw.notifications?.telegram?.enabled,
        botToken: raw.notifications?.telegram?.botToken || ''
      }
    }
  };
};

const toNumberOrUndefined = (value) => {
  if (value === '' || value === null || value === undefined) {
    return undefined;
  }
  const parsed = Number(value);
  return Number.isFinite(parsed) ? parsed : undefined;
};

export const serializeAdminSettings = (adminSettings) => {
  if (!adminSettings) {
    return null;
  }
  return {
    scheduleCron: adminSettings.scheduleCron,
    randomDelayMinSeconds: toNumberOrUndefined(adminSettings.randomDelayMinSeconds),
    randomDelayMaxSeconds: toNumberOrUndefined(adminSettings.randomDelayMaxSeconds),
    initialDelayMinSeconds: toNumberOrUndefined(adminSettings.initialDelayMinSeconds),
    initialDelayMaxSeconds: toNumberOrUndefined(adminSettings.initialDelayMaxSeconds),
    storePickupCheckDelayMs: toNumberOrUndefined(adminSettings.storePickupCheckDelayMs),
    storeWatchCron: adminSettings.storeWatchCron,
    storeWatchInitialDelayMinSeconds: toNumberOrUndefined(adminSettings.storeWatchInitialDelayMinSeconds),
    storeWatchInitialDelayMaxSeconds: toNumberOrUndefined(adminSettings.storeWatchInitialDelayMaxSeconds),
    ignoredSlots: (adminSettings.ignoredSlots || []).map((slot) => ({
      storeId: slot.storeId || '',
      description: slot.description || ''
    })),
    notifications: {
      ntfy: {
        enabled: !!adminSettings.notifications?.ntfy?.enabled,
        serverUrl: adminSettings.notifications?.ntfy?.serverUrl || '',
        topicPrefix: adminSettings.notifications?.ntfy?.topicPrefix || '',
        username: adminSettings.notifications?.ntfy?.username || '',
        password: adminSettings.notifications?.ntfy?.password || ''
      },
      telegram: {
        enabled: !!adminSettings.notifications?.telegram?.enabled,
        botToken: adminSettings.notifications?.telegram?.botToken || ''
      }
    }
  };
};