#103 - Custom Booking Form v0.1

<!-- 💙 MEMBERSCRIPT #103 v0.1 💙 CUSTOM BOOKING FORM -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.29.1/moment.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment-timezone/0.5.33/moment-timezone-with-data.min.js"></script>
<script>
document.addEventListener('DOMContentLoaded', function() {
  function getNextBusinessDays() {
    let businessDays = [];
    let currentDate = moment();
    currentDate.add(1, 'days');
    
    while (businessDays.length < 14) {
      if (currentDate.day() !== 0 && currentDate.day() !== 6) {
        let formattedDay = currentDate.format('dddd, MMMM D');
        let rawDay = currentDate.format('YYYY-MM-DD');
        businessDays.push({formattedDay, rawDay});
      }
      currentDate.add(1, 'days');
    }
    return businessDays;
  }

  function generateTimeSlots() {
    let slots = [];
    let startHour = 9;
    let endHour = 16.5;
    let currentTime = moment().startOf('day').add(startHour, 'hours');
    
    while (currentTime.hour() + (currentTime.minute() / 60) <= endHour) {
      let formattedTime = currentTime.format('h:mm A');
      let timeValue = currentTime.format('HH:mm');
      slots.push({formattedTime, timeValue});
      currentTime.add(30, 'minutes');
    }
    return slots;
  }

  function updateTimestamp(day, time, timezone) {
    let timestampInput = document.getElementById('timestamp');
    if (!timestampInput) {
        timestampInput = document.createElement('input');
        timestampInput.type = 'hidden';
        timestampInput.id = 'timestamp';
        timestampInput.name = 'timestamp';
        document.querySelector('form').appendChild(timestampInput);
    }

    let datetime = moment.tz(`${day} ${time}`, "YYYY-MM-DD HH:mm", timezone);
    timestampInput.value = datetime.valueOf();
  }

  function populateFields() {
    const days = getNextBusinessDays();
    const times = generateTimeSlots();
    const daySelect = document.querySelector('[ms-code-booking="day"]');
    const timeSelect = document.querySelector('[ms-code-booking="time"]');
    const form = daySelect.closest('form');
    const timezone = form.getAttribute('ms-code-booking-timezone') || moment.tz.guess();
    
    days.forEach(({formattedDay, rawDay}) => {
      let option = new Option(formattedDay, rawDay);
      daySelect.appendChild(option);
    });
    
    times.forEach(({formattedTime, timeValue}) => {
      let option = new Option(formattedTime, timeValue);
      timeSelect.appendChild(option);
    });

    function handleSelectChange() {
      if (daySelect.value && timeSelect.value) {
        updateTimestamp(daySelect.value, timeSelect.value, timezone);
      }
    }

    daySelect.addEventListener('change', handleSelectChange);
    timeSelect.addEventListener('change', handleSelectChange);
  }

  populateFields();
});
</script>