Booking Slot Picker

"use client";

import { useEffect, useRef, useState, useSyncExternalStore } from "react";

/**
 * Pick a day, pick a time, confirm — for a barber's chair, a table, a class.
 *
 * AVAILABILITY IS DATA, AND IT IS SHOWN HONESTLY. Each day says how many times
 * are actually free ("4 free"), a taken slot is struck through rather than
 * only greyed (so it reads without colour), and a closed day says "Closed".
 * Nothing here invents scarcity.
 *
 * IT WORKS WITH OR WITHOUT A BOOKING SYSTEM. With onConfirm (which may return
 * a promise) the button books and shows pending, done and error states. Most
 * small shops have no booking backend at all, so requestWhatsApp or
 * requestEmail turn the same button into a pre-written request — "Hi, I'd like
 * a Skin fade on Fri 26 Sep at 10:30" — which is honest about being a request.
 *

  // ---------------------------------------------------------------
  // Full source available with a viberdy Pro subscription.
  // https://viberdy.dev/pricing
  // ---------------------------------------------------------------
}