Please enter valid booking details.
';
if (valueChart) valueChart.destroy();
return;
}
const centsPerPoint = (cashPrice / pointsPrice) * 100;
const totalCashCost = cashPrice * travelers;
const totalPointsCost = pointsPrice * travelers;
let recommendation = '';
let recommendationClass = '';
if (centsPerPoint >= configData.baselineCentsPerPoint) {
recommendation = 'Good Deal!';
recommendationClass = 'good';
} else {
recommendation = 'Consider Paying Cash';
recommendationClass = 'bad';
}
renderResults(centsPerPoint, totalCashCost, totalPointsCost, recommendation, recommendationClass);
updateChart(centsPerPoint);
}
function renderResults(cpp, cash, points, rec, recClass) {
resultsContent.innerHTML = `
Your Point Value
${cpp.toFixed(2)}¢
per point
`;
}
function updateChart(currentValue) {
const ctx = document.getElementById('valueChart').getContext('2d');
if (valueChart) {
valueChart.destroy();
}
valueChart = new Chart(ctx, {
type: 'bar',
data: {
labels: ['Your Booking Value', 'Baseline Average'],
datasets: [{
label: 'Cents Per Point (¢)',
data: [currentValue, configData.baselineCentsPerPoint],
backgroundColor: ['var(--primary-color)', 'var(--secondary-color)'],
borderWidth: 1
}]
},
options: {
scales: { y: { beginAtZero: true, title: { display: true, text: 'Cents (¢)' } } },
plugins: { legend: { display: false } }
}
});
}
function renderConfig() {
configTbody.innerHTML = `
| Baseline Cents Per Point (¢) |
|
`;
}
window.updateConfig = function(element) {
const { prop } = element.dataset;
const value = parseFloat(element.value);
if (isNaN(value)) return;
configData[prop] = value;
estimateValue();
}
// --- TAB & NAVIGATION ---
window.openTab = function(evt, tabName) {
const tabContents = document.getElementsByClassName("tab-content");
Array.from(tabContents).forEach(tab => tab.style.display = "none");
const tabButtons = document.getElementsByClassName("tab-btn");
Array.from(tabButtons).forEach(btn => btn.classList.remove("active"));
document.getElementById(tabName).style.display = "block";
if (evt) {
evt.currentTarget.classList.add("active");
} else {
const btnToActivate = Array.from(tabButtons).find(btn => btn.getAttribute('onclick').includes(`'${tabName}'`));
if (btnToActivate) btnToActivate.classList.add("active");
}
updateNavButtons();
}
window.navigateTabs = function(direction) {
const tabs = Array.from(document.querySelectorAll('.tab-btn'));
const activeTabIndex = tabs.findIndex(tab => tab.classList.contains('active'));
let newIndex = (direction === 'next')
? (activeTabIndex + 1) % tabs.length
: (activeTabIndex - 1 + tabs.length) % tabs.length;
tabs[newIndex].click();
}
function updateNavButtons() {
const tabs = Array.from(document.querySelectorAll('.tab-btn'));
const activeTabIndex = tabs.findIndex(tab => tab.classList.contains('active'));
document.getElementById('prev-btn').style.visibility = activeTabIndex === 0 ? 'hidden' : 'visible';
document.getElementById('next-btn').style.visibility = activeTabIndex === tabs.length - 1 ? 'hidden' : 'visible';
}
// --- PDF DOWNLOAD ---
if(downloadPdfBtn) {
downloadPdfBtn.addEventListener('click', function() {
const { jsPDF } = window.jspdf;
const contentToDownload = document.getElementById('results-to-download');
if (!contentToDownload || !document.querySelector('.value')) {
console.warn("Please generate an estimate before downloading.");
return;
}
const originalButtonText = downloadPdfBtn.innerHTML;
downloadPdfBtn.innerHTML = 'Generating...';
downloadPdfBtn.disabled = true;
html2canvas(contentToDownload, { scale: 2, useCORS: true }).then(canvas => {
const imgData = canvas.toDataURL('image/png');
const pdf = new jsPDF({ orientation: 'p', unit: 'mm', format: 'a4' });
const pdfWidth = pdf.internal.pageSize.getWidth();
const imgProps = pdf.getImageProperties(imgData);
const imgHeight = (imgProps.height * pdfWidth) / imgProps.width;
pdf.addImage(imgData, 'PNG', 10, 10, pdfWidth - 20, imgHeight > 0 ? imgHeight - 20 : 0);
pdf.save('Hotel-Points-Value.pdf');
}).catch(err => {
console.error("Error generating PDF:", err);
}).finally(() => {
downloadPdfBtn.innerHTML = originalButtonText;
downloadPdfBtn.disabled = false;
});
});
}
// --- INITIALIZATION ---
function initializeTool() {
estimateValue();
renderConfig();
updateNavButtons();
}
initializeTool();
});