backend/src/business-profile/business-profile.util.ts

import {
  BusinessPhoneNumber,
  BusinessSocialMedia,
  DEFAULT_BUSINESS_SOCIAL_MEDIA,
} from './business-profile.types';

function isRecord(value: unknown): value is Record<string, unknown> {
  return typeof value === 'object' && value !== null && !Array.isArray(value);
}

function readString(value: unknown, fallback = '') {
  return typeof value === 'string' ? value : fallback;
}

export function normalizeEmails(raw: unknown): string[] {
  if (!Array.isArray(raw)) return [];
  return raw
    .filter((item): item is string => typeof item === 'string')
    .map((item) => item.trim())
    .filter(Boolean);
}

export function normalizePhoneNumbers(raw: unknown): BusinessPhoneNumber[] {
  if (!Array.isArray(raw)) return [];

  return raw
    .filter(isRecord)
    .map((item) => ({
      type: (item.type === 'landline' ? 'landline' : 'cell') as BusinessPhoneNumber['type'],
      number: readString(item.number).trim(),
    }))
    .filter((item) => item.number.length > 0);
}

export function normalizeSocialMedia(raw: unknown): BusinessSocialMedia {
  const source = isRecord(raw) ? raw : {};

  return {
    whatsapp: readString(source.whatsapp),
    telegram: readString(source.telegram),
    instagram: readString(source.instagram),
    linkedin: readString(source.linkedin),
    youtube: readString(source.youtube),
    aparat: readString(source.aparat),
  };
}

export function toPrismaJsonEmails(emails: string[]) {
  return emails;
}

export function toPrismaJsonPhoneNumbers(phoneNumbers: BusinessPhoneNumber[]) {
  return phoneNumbers;
}

export function toPrismaJsonSocialMedia(socialMedia: BusinessSocialMedia) {
  return socialMedia ?? DEFAULT_BUSINESS_SOCIAL_MEDIA;
}