import { jalaliMonthName, toJalali } from './jalali';
import { applyMessageTemplate } from '../message-automations/message-automation.util';

const FA_DIGITS = '۰۱۲۳۴۵۶۷۸۹';

function toFaDigits(value: string | number) {
  return String(value).replace(/\d/g, (d) => FA_DIGITS[Number(d)] ?? d);
}

function tehranJalaliLong(d: Date) {
  const [gy, gm, gd] = new Intl.DateTimeFormat('en-CA', {
    timeZone: 'Asia/Tehran',
    year: 'numeric',
    month: '2-digit',
    day: '2-digit',
  })
    .format(d)
    .split('-')
    .map(Number);
  const j = toJalali(gy, gm, gd);
  return `${toFaDigits(j.jd)} ${jalaliMonthName(j.jm)} ${toFaDigits(j.jy)}`;
}

export function renderSmsText(
  text: string,
  vars: { name?: string; phone?: string; title?: string; company?: string },
) {
  return applyMessageTemplate(text, {
    name: vars.name,
    phone: vars.phone,
    title: vars.title,
    company: vars.company,
    date: tehranJalaliLong(new Date()),
  }).trim();
}