{% extends "pos/base.html" %}
{% load static %}

{% block title %}Checkout — Booking #{{ booking.booking_code }}{% endblock %}

{% block stylesheets %}
<link href="{% static 'vendor/datatables/dataTables.bootstrap4.min.css' %}" rel="stylesheet">
<style>
  .muted { color:#666; }
  .badge { padding:.35rem .5rem; border-radius:.25rem; font-size:.85rem;}
  .badge-open { background:#17a2b8; color:#fff;}
  .badge-settled { background:#28a745; color:#fff;}
  .section-title { font-weight:600; margin-top:1rem; }
  .table-sm td, .table-sm th { padding:.3rem; }
</style>
{% endblock %}

{% block heading %}Checkout — Booking #{{ booking.booking_code }}{% endblock %}

{% block content %}

<div class="card mb-3">
  <div class="card-body">
    <div class="row">
      <div class="col-md-4">
        <div><b>Guest:</b> {{ booking.guest.name|default:"-" }}</div>
        <div><b>Profile:</b> {{ booking.billing_profile }}</div>
        <div><b>Status:</b>
          {% if booking.folio.status == "Settled" %}
            <span class="badge badge-settled">Settled</span>
          {% else %}
            <span class="badge badge-open">Open</span>
          {% endif %}
        </div>
      </div>
      <div class="col-md-4">
        <div><b>Stay:</b> {{ booking.checkin_date|date:"Y-m-d" }} → {{ stay_end_date|date:"Y-m-d" }} ({{ booking.nights }} night{{ booking.nights|pluralize }})</div>
        <div><b>Include Tonight (est):</b> Rs {{ extra_tonight|floatformat:2 }}</div>
        <div><b>Advance Paid:</b> {{ advance_paid|floatformat:0 }}</div>
      </div>
      <div class="col-md-4">
        <div><b>Tax%:</b> Cash {{ tax_cash }}% | Digital {{ tax_dig }}%</div>
      </div>
    </div>
  </div>
</div>


<!-- After the card-body with Guest/Stay info -->
<div class="col-md-4">
    <div><b>Stay:</b> {{ booking.checkin_date|date:"Y-m-d" }} → {{ booking.checkout_date|date:"Y-m-d" }} ({{ booking.nights }} night{{ booking.nights|pluralize }})</div>
    
    {% if is_refinalize %}
    <div class="text-warning"><b>⚠️ Original Stay - Cannot be modified</b></div>
    {% else %}
    <div><b>Stay End (Preview):</b> {{ stay_end_date|date:"Y-m-d" }}</div>
    {% endif %}
    
    <div><b>Include Tonight (est):</b> Rs {{ extra_tonight|floatformat:2 }}</div>
    <div><b>Advance Paid:</b> {{ advance_paid|floatformat:0 }}</div>
</div>

<!-- Include Tonight checkbox - disable for refinalize -->
<div class="form-check mb-2">
    <input class="form-check-input" type="checkbox" id="include_tonight" name="include_tonight"
           {% if include_tonight %}checked{% endif %}
           {% if is_refinalize %}disabled{% endif %}>
    <label class="form-check-label" for="include_tonight">
        Include Tonight (adds Rs {{ extra_tonight|floatformat:2 }})
        {% if is_refinalize %}<span class="text-muted">(locked)</span>{% endif %}
    </label>
    {% if is_refinalize and include_tonight %}
    <input type="hidden" name="include_tonight" value="on">
    {% endif %}
</div>


<div class="row">
  <div class="col-lg-7">
    <div class="card mb-3">
      <div class="card-header section-title">Folio Lines</div>
      <div class="card-body p-0">
        <table class="table table-sm mb-0">
          <thead>
            <tr><th>Date</th><th>Item</th><th>Qty</th><th>Rate/Tax</th><th class="text-right">Amount</th></tr>
          </thead>
        <tbody>
          {% for r in breakdown.all_lines %}
            <tr>
              <td>{{ r.0 }}</td><td>{{ r.1 }}</td><td>{{ r.2 }}</td><td>{{ r.3 }}</td>
              <td class="text-right">{{ r.4 }}</td>
            </tr>
          {% empty %}
            <tr><td colspan="5" class="text-center text-muted">No folio lines.</td></tr>
          {% endfor %}
        </tbody>
        </table>
      </div>
    </div>

    <div class="card mb-3">
      <div class="card-header section-title">Linked Restaurant Orders</div>
      <div class="card-body p-0">
        <table class="table table-sm mb-0">
          <thead>
            <tr><th>Order #</th><th>Status</th><th style="width:28%">Pay Type</th><th style="width:28%">Bank</th><th class="text-right" style="width:16%">Action</th></tr>
          </thead>
          <tbody>
          {% for o in linked_orders %}
            <tr>
              <td>#{{ o.order_no }}</td>
              <td>{{ o.status }}</td>
              <td>
                <form method="post" action="{% url 'hotel:checkout_convert_restaurant' booking.booking_code o.order_no %}" class="form-inline" id="conv-{{ o.order_no }}">
                  {% csrf_token %}
                  <select name="pay_type" class="form-control form-control-sm">
                    <option value="Cash">Cash</option>
                    <option value="Digital">Digital</option>
                  </select>
              </td>
              <td>
                  <select name="bank_tid" class="form-control form-control-sm">
                    <option value="">-- bank --</option>
                    {% for b in banks %}
                      <option value="{{ b.t_id }}">{{ b.name }}</option>
                    {% endfor %}
                  </select>
              </td>
              <td class="text-right">
                  <button class="btn btn-outline-primary btn-sm">Convert &amp; Receive</button>
                </form>
              </td>
            </tr>
          {% empty %}
            <tr><td colspan="5" class="text-muted text-center">No linked restaurant orders.</td></tr>
          {% endfor %}
          </tbody>
        </table>
      </div>
    </div>

  </div>

  <div class="col-lg-5">
    <form method="post" action="{% url 'hotel:checkout_finalize' booking.booking_code %}" id="checkout-form">
      {% csrf_token %}

      {% if is_refinalize %}
      <input type="hidden" name="refinalize" value="1">
      {% endif %}

      <!-- Show warning banner if re-finalizing -->
      {% if is_refinalize %}
      <div class="alert alert-warning">
          <strong>⚠️ Re-Finalization Mode:</strong> 
          This will modify the existing Invoice #{{ last_checkout.invoice_no }}. 
          Previous payments will be reversed and new ones recorded.
      </div>
      {% endif %}
      <div class="card mb-3">
        <div class="card-header section-title">Totals & Routing</div>
        <div class="card-body">

          <div class="form-row">
            <div class="col">
              <label class="small">Pay Mode (for tax)</label>
              <select id="pay_mode_for_preview" name="pay_mode_for_preview" class="form-control form-control-sm">
                <option value="Cash" {% if default_pay_mode == "Cash" %}selected{% endif %}>Cash</option>
                <option value="Digital" {% if default_pay_mode != "Cash" %}selected{% endif %}>Digital</option>
              </select>
            </div>
            <div class="col">
              <label class="small">Discount at Checkout</label>
              <input type="number" step="0.01" class="form-control" name="checkout_discount" id="checkout_discount" value="{{ discount }}">
            </div>
          </div>

          <hr/>

          <div class="mb-2">
            <label class="small">Route To</label>
            <select class="form-control" name="route_to" id="route_to">
              <option value="Guest">Guest</option>
              <option value="Company">BTC (Company)</option>
              <option value="Board">Board</option>
              <option value="ENT">ENT (Complimentary)</option>
            </select>
          </div>

          <div class="mb-2 company-only" style="display:none;">
            <label class="small">Company / Board Customer</label>
            <select class="form-control" name="company_customer_tid" id="company_customer_tid">
              <option value="">-- select --</option>
              {% for c in customers %}
              <option value="{{ c.t_id }}">{{ c.name }}</option>
              {% endfor %}
            </select>
          </div>

          <div class="form-check mb-2">
            <input class="form-check-input" type="checkbox" id="include_tonight" name="include_tonight">
            <label class="form-check-label" for="include_tonight">Include Tonight (adds Rs {{ extra_tonight|floatformat:2 }})</label>
          </div>

          <div class="ent-only mb-2" style="display:none;">
            <label class="small">ENT Reason (Care of)</label>
            <input type="text" class="form-control" name="ent_reason" placeholder="Owner’s relative, VIP, etc.">
          </div>

          <div class="mt-3" style="display:none;">
            <div class="muted">Guest subtotal: Rs {{ breakdown.guest_subtotal|floatformat:2 }}</div>
            <div class="muted">Company subtotal: Rs {{ breakdown.company_subtotal|floatformat:2 }}</div>
            <div class="muted">Board subtotal: Rs {{ breakdown.board_subtotal|floatformat:2 }}</div>
            <div class="muted">ENT subtotal: Rs {{ breakdown.ent_subtotal|floatformat:2 }}</div>
          </div>
        </div>
      </div>

      <!-- Live Totals (route/pay-mode/tenders ke mutabiq) -->
      <div class="card mt-3">
        <div class="card-body p-2">
          <div class="d-flex justify-content-between">
            <div>Base (selected route):</div><div><b id="lt-base">Rs 0</b></div>
          </div>
          <div class="d-flex justify-content-between">
            <div>Discount:</div><div><b id="lt-discount">Rs 0</b></div>
          </div>
          <div class="d-flex justify-content-between">
            <div>Tax (<span id="lt-eff">0</span>%)</div><div><b id="lt-tax">Rs 0</b></div>
          </div>
          <div class="d-flex justify-content-between">
            <div>Grand:</div><div><b id="lt-grand">Rs 0</b></div>
          </div>
          <hr class="my-2">
          <div class="d-flex justify-content-between">
            <div>Advance Paid:</div><div><b id="lt-adv">Rs {{ advance_paid|floatformat:2 }}</b></div>
          </div>
          <div class="d-flex justify-content-between">
            <div>Paid (Tenders):</div><div><b id="lt-paid">Rs 0</b></div>
          </div>
          <div class="d-flex justify-content-between">
            <div><b>Due / Refund:</b></div><div><b id="lt-due">Rs 0</b></div>
          </div>
        </div>
      </div>


      <div class="card mb-3 guest-only">
        <div class="card-header section-title">Tender Split</div>
        <div class="card-body">
          <div id="tenders_wrap">
            <input type="hidden" name="tenders_count" id="tenders_count" value="1">
            <div id="tenders">
              <div class="form-row tender" data-index="0">
                <div class="col-3">
                  <label class="small">Type</label>
                  <select name="tender[0][type]" class="form-control">
                    <option value="Cash">Cash</option>
                    <option value="Digital">Digital</option>
                  </select>
                </div>
                <div class="col-5">
                  <label class="small">Bank</label>
                  <select name="tender[0][bank_tid]" class="form-control">
                    {% for b in banks %}<option value="{{ b.t_id }}">{{ b.name }}</option>{% endfor %}
                  </select>
                </div>
                <div class="col-3">
                  <label class="small">Amount</label>
                  <input type="number" step="0.01" name="tender[0][amount]" class="form-control" value="0">
                </div>
                <div class="col-1 d-flex align-items-end">
                  <button class="btn btn-light btn-sm remove-tender" type="button">&times;</button>
                </div>
              </div>
            </div>
            <button type="button" class="btn btn-outline-primary btn-sm mt-2" id="add-tender">+ Add Tender</button>
          </div>
        </div>
      </div>

      <div class="text-right">
        <button type="submit" class="btn btn-primary" id="btnFinalize" disabled>Finalize Checkout</button>
        <!-- ,a href="{% url 'hotel:checkout_pdf' booking.booking_code %}" class="btn btn-secondary">Print / PDF</a> -->
            <button type="button" id="btn-preprint" class="btn btn-outline-secondary btn-sm">Pre-Print (Proforma)</button>

      </div>
      <input type="hidden" name="refinalize" value="{{ allow_refinalize|yesno:'1,0' }}">
    </form>
  </div>
</div>

{% endblock %}
<input type="hidden" id="last_checkout_json" value='{{ last_checkout_json|safe }}'>


{% block javascripts %}



<script>
(function() {
  function toggleRoute() {
    var v = document.getElementById('route_to').value;
    var guestOnly = document.querySelectorAll('.guest-only');
    var compOnly  = document.querySelectorAll('.company-only');
    var entOnly   = document.querySelectorAll('.ent-only');

    guestOnly.forEach(function(e){ e.style.display = (v === 'Guest') ? '' : 'none'; });
    compOnly.forEach(function(e){ e.style.display = (v === 'Company' || v === 'Board') ? '' : 'none'; });
    entOnly.forEach(function(e){ e.style.display = (v === 'ENT') ? '' : 'none'; });
  }
  document.getElementById('route_to').addEventListener('change', toggleRoute);
  toggleRoute();

  // tender rows
  var addBtn = document.getElementById('add-tender');
  var wrap = document.getElementById('tenders');
  var cntInput = document.getElementById('tenders_count');

  function bindRemove(btn) {
    btn.addEventListener('click', function(){
      var row = this.closest('.tender');
      row.parentNode.removeChild(row);
      // recount
      var rows = document.querySelectorAll('#tenders .tender');
      cntInput.value = rows.length;
      for (var i=0;i<rows.length;i++){
        rows[i].dataset.index=i;
        rows[i].querySelector('[name^="tender["]').name = 'tender['+i+'][type]';
        rows[i].querySelector('[name*="[bank_tid]"]').name = 'tender['+i+'][bank_tid]';
        rows[i].querySelector('[name*="[amount]"]').name   = 'tender['+i+'][amount]';
      }
    });
  }
  bindRemove(document.querySelector('.remove-tender'));

  addBtn.addEventListener('click', function(){
    var idx = parseInt(cntInput.value || '0', 10);
    var div = document.createElement('div');
    div.className='form-row tender';
    div.dataset.index=idx;
    div.innerHTML = `
      <div class="col-3">
        <label class="small">Type</label>
        <select name="tender[${idx}][type]" class="form-control">
          <option value="Cash">Cash</option>
          <option value="Digital">Digital</option>
        </select>
      </div>
      <div class="col-5">
        <label class="small">Bank</label>
        <select name="tender[${idx}][bank_tid]" class="form-control">
          {% for b in banks %}<option value="{{ b.t_id }}">{{ b.name }}</option>{% endfor %}
        </select>
      </div>
      <div class="col-3">
        <label class="small">Amount</label>
        <input type="number" step="0.01" name="tender[${idx}][amount]" class="form-control" value="0">
      </div>
      <div class="col-1 d-flex align-items-end">
        <button class="btn btn-light btn-sm remove-tender" type="button">&times;</button>
      </div>`;
    wrap.appendChild(div);
    cntInput.value = idx + 1;
    bindRemove(div.querySelector('.remove-tender'));
  });

  // Pre-print (open in new tab)
  document.getElementById('btn-preprint').addEventListener('click', function(){
    var pm = document.getElementById('pay_mode_for_preview').value || 'Cash';
    var disc = document.getElementById('checkout_discount').value || '0';
    var inc = document.getElementById('include_tonight').checked ? '1' : '0';
    var url = "{% url 'hotel:checkout_preprint' booking.booking_code %}" + "?pay_mode=" + encodeURIComponent(pm) + "&discount=" + encodeURIComponent(disc) + "&include_tonight=" + inc;
    window.open(url, '_blank');
  });
})();

  // --- Server data snapshot ---
  window.checkoutData = {
    guest:   parseFloat("{{ breakdown.guest_subtotal|default:0 }}") || 0,
    company: parseFloat("{{ breakdown.company_subtotal|default:0 }}") || 0,
    board:   parseFloat("{{ breakdown.board_subtotal|default:0 }}") || 0,
    ent:     parseFloat("{{ breakdown.ent_subtotal|default:0 }}") || 0,
    taxCash: parseFloat("{{ tax_cash|default:0 }}") || 0,
    taxDig:  parseFloat("{{ tax_dig|default:0 }}") || 0,
    advance: parseFloat("{{ advance_paid|default:0 }}") || 0
  };

  // --- Helpers ---
  function fmt(n){ n = Number(n||0); return 'Rs ' + (Math.abs(n - Math.trunc(n)) < 1e-9 ? n.toFixed(0) : n.toFixed(2)); }

  function currentRoute(){
    let v = (document.querySelector('input[name="route_to"]:checked')?.value
          || document.querySelector('#route_to')?.value || 'Guest');
    return (v||'Guest');
  }
  function baseByRoute(){
    const r = currentRoute();
    if (r === 'Guest')   return checkoutData.guest;
    if (r === 'Company') return checkoutData.company;
    if (r === 'Board')   return checkoutData.board;
    if (r === 'ENT')     return checkoutData.ent;
    return 0;
  }
  function discountVal(){
   const el = document.querySelector('#checkout_discount') || document.querySelector('#discount');
   let v = parseFloat(el?.value || 0);
   if (isNaN(v) || v < 0) v = 0;
   // discount ko base se zyada na honay den
   const base = Math.max(0, baseByRoute());
   if (v > base) v = base;
   return v;
  }
  function tendersSplit(){
   // helper: clean number (remove Rs, commas, spaces etc.)
   const num = (v) => {
     const s = String(v ?? '').replace(/[^\d\.\-]/g, '').replace(/,/g,'');
     const n = Number(s);
     return isFinite(n) ? n : 0;
   };
   let cash = 0, digital = 0;
   // accept BOTH: .tender-amount OR name="tender[i][amount]"
   const amountNodes = document.querySelectorAll(
     '.tender-amount, [name^="tender["][name$="[amount]"]'
   );
   amountNodes.forEach((inp) => {
     const amt = num(inp.value);
     if (amt == 0) return;
     // row detect (support multiple structures)
     const row = inp.closest('.tender-row') || inp.closest('[data-tender-row]') || inp.parentElement;
     // accept BOTH: .tender-type OR name="tender[i][type]"
     const typeEl = row ? (row.querySelector('.tender-type, [name$="[type]"]')) : null;
     let t = (typeEl?.value || '').toLowerCase();
     // fallback: pay_mode_for_preview / pay_mode → map to cash/digital
     if (!t) {
       const pm = (document.querySelector('#pay_mode_for_preview')?.value
                || document.querySelector('#pay_mode')?.value || 'cash').toLowerCase();
       const digitalSet = new Set(['card','transfer','wallet','digital','online']);
       t = digitalSet.has(pm) ? 'digital' : 'cash';
     }
     if (t === 'cash') cash += amt; else digital += amt;
   });
   return { cash, digital, total: cash + digital };
  }

  function payModeFallback(){
   const el = document.querySelector('#pay_mode_for_preview') || document.querySelector('#pay_mode');
   const v = (el?.value || 'cash').toLowerCase();
   // non-cash → digital tax
   const digitalSet = new Set(['card','transfer','wallet','digital','online']);
   return digitalSet.has(v) ? checkoutData.taxDig : checkoutData.taxCash;
  }

  // --- Core calc ---
  function toCents(n){ return Math.round((Number(n)||0)*100); }
  function fromCents(c){ return (c/100); }
  function fmt(n){ n = Number(n||0); return 'Rs ' + (Math.abs(n - Math.trunc(n))<1e-9 ? n.toFixed(0) : n.toFixed(2)); }

  function recalcTotals(){
    const base = Math.max(0, baseByRoute());
    let disc  = Math.max(0, discountVal());
    if (disc > base) disc = base;

    const split = tendersSplit();
    let eff;
    if (split.total <= 0){
      eff = payModeFallback();                 // cash vs digital percent (preview dropdown)
    } else {
      const wCash = split.cash / split.total;  // weighted effective tax
      const wDig  = 1 - wCash;
      eff = (wCash * checkoutData.taxCash) + (wDig * checkoutData.taxDig);
    }

    // cents math
    const baseC   = toCents(base);
    const discC   = toCents(disc);
    const netC    = baseC - discC;
    const taxC    = Math.round(netC * (eff/100));
    const grandC  = netC + taxC;
    const advC    = toCents(checkoutData.advance || 0);
    const paidC   = toCents(split.total);
    const dueC    = grandC - advC - paidC;

    // UI
    document.querySelector('#lt-base').textContent     = fmt(fromCents(baseC));
    document.querySelector('#lt-discount').textContent = fmt(fromCents(discC));
    document.querySelector('#lt-eff').textContent      = (Math.round(eff*100)/100).toString();
    document.querySelector('#lt-tax').textContent      = fmt(fromCents(taxC));
    document.querySelector('#lt-grand').textContent    = fmt(fromCents(grandC));
    document.querySelector('#lt-adv').textContent      = fmt(fromCents(advC));
    document.querySelector('#lt-paid').textContent     = fmt(fromCents(paidC));
    document.querySelector('#lt-due').textContent      = fmt(fromCents(dueC));
    // Finalize enable: abs(due) ≤ 1 paisa allow (0.01 tolerance)
    const btn = document.querySelector('#btnFinalize') || document.querySelector('[data-finalize-btn]');
    if (btn) btn.disabled = !(Math.abs(dueC) <= 1);
  }

  // --- Bind events ---
  ['input','change','keyup'].forEach(ev=>{
    document.addEventListener(ev, (e)=>{
      if (
        e.target.matches('#pay_mode_for_preview, #pay_mode, #checkout_discount, #discount') ||
        e.target.matches('input[name="route_to"], #route_to') ||
        e.target.matches('.tender-amount, .tender-type, [name^="tender["]')
      ){
        recalcTotals();
      }
    }, true);
  });


  // Include Tonight → page GET reload so server rebuild kare
  const inc = document.querySelector('#include_tonight');
  if (inc){
    inc.addEventListener('change', function(){
      const url = new URL(window.location.href);
      if (this.checked) url.searchParams.set('include_tonight','1');
      else url.searchParams.delete('include_tonight');
      window.location.href = url.toString();
    });
  }

  // recalcTotals();
  document.addEventListener('DOMContentLoaded', function(){
   const el = document.querySelector('#pay_mode_for_preview') || document.querySelector('#pay_mode');
   if (el && !el.value) { el.value = '{{ default_pay_mode|default:"cash" }}'; }
   recalcTotals();
  });

  // DOM ready ke baad bind karein
  document.addEventListener('DOMContentLoaded', function () {
    const wrap = document.getElementById('tenders_wrap') || document;

    function onTenderChange(e){
      // teen tareeqe: class, name prefix, ya wrapper ke andar koi bhi input/select
      if (
        e.target.matches('.tender-amount, .tender-type') ||
        e.target.matches('[name^="tender["]') ||
        e.target.closest('#tenders_wrap')
      ){
        recalcTotals();
      }
    }

    // input (typing) + change (selects)
    wrap.addEventListener('input',  onTenderChange, true);
    wrap.addEventListener('change', onTenderChange, true);

    // first paint
    recalcTotals();
  });


document.addEventListener('DOMContentLoaded', function(){
  // --- robust parser (JSON ya Python-dict dono handle) ---
  function parseLast(){
    const el = document.getElementById('last_checkout_json');
    if (!el) return null;
    let s = el.value || '';
    if (!s || s === 'null') return null;
    try { return JSON.parse(s); } catch(e){}
    // fallback: Python → JSON
    try {
      s = s.replace(/\bNone\b/g,'null')
           .replace(/\bTrue\b/g,'true')
           .replace(/\bFalse\b/g,'false')
           .replace(/'/g, '"');
      return JSON.parse(s);
    } catch(e){ console.warn('Still bad JSON:', s); return null; }
  }

  const pre = parseLast();
  if (!pre) return;

  // --- ensure tender rows (wrapper = #tenders, row = .tender) ---
  const wrap   = document.getElementById('tenders');
  const addBtn = document.getElementById('add-tender');
  const cntInp = document.getElementById('tenders_count');

  const need = Array.isArray(pre.splits) ? pre.splits.length : 0;
  while ((wrap?.querySelectorAll('.tender').length || 0) < need){
    if (addBtn) addBtn.click(); else break;
  }
  if (cntInp) cntInp.value = wrap.querySelectorAll('.tender').length || 0;

  // --- set split values ---
  (pre.splits || []).forEach((sp, i)=>{
    const row = wrap.querySelectorAll('.tender')[i];
    if (!row) return;
    const typeEl = row.querySelector('[name$="[type]"]');
    const bankEl = row.querySelector('[name$="[bank_tid]"]');
    const amtEl  = row.querySelector('[name$="[amount]"]');
    if (typeEl) typeEl.value = sp.type || 'Cash';
    if (bankEl) bankEl.value = String(sp.bank_tid || 0);
    if (amtEl)  amtEl.value  = sp.amount || 0;
  });

  // discount + route
  const d = document.getElementById('checkout_discount');
  if (d && (pre.discount || pre.discount===0)) d.value = pre.discount;

  if (pre.route_to){
    const r = document.querySelector(`input[name="route_to"][value="${pre.route_to}"]`);
    if (r) r.checked = true;
    const sel = document.getElementById('route_to');
    if (sel) sel.value = pre.route_to;
  }

  // re-finalize flag
  const rf = document.querySelector('input[name="refinalize"]');
  if (rf) rf.value = '1';

  // recalc after prefill
  if (window.recalcTotals) recalcTotals();
});


</script>




{% endblock %}