Student Travel Discount Eligibility Checker
Your Profile
Eligibility Results
Enter your details to see available discounts.
Customize Discount Data
Please enter a valid age.
'; return; } const eligibleDiscounts = discountData.discounts.filter(d => age >= d.minAge && age <= d.maxAge && d.status.includes(status) ); renderResults(eligibleDiscounts); } function renderResults(eligibleDiscounts) { let bannerHtml, listHtml; if (eligibleDiscounts.length > 0) { bannerHtml = ``; listHtml = `- ${eligibleDiscounts.map(d => `
- ${d.name} by ${d.provider}
${d.details} `).join('')}
${listHtml}
`;
}
function renderConfig() {
let tableHTML = `
| Name | Provider | Min Age | Max Age | Status |
|---|---|---|---|---|
${tableHTML}
`;
}
window.updateConfig = function(element) {
const { id, prop } = element.dataset;
let value = element.value;
const discount = discountData.discounts.find(d => d.id == id);
if (discount) {
if (prop === 'minAge' || prop === 'maxAge') {
value = parseInt(value, 10);
} else if (prop === 'status') {
value = value.split(',').map(s => s.trim().toLowerCase());
}
discount[prop] = value;
checkEligibility();
}
}
// --- TAB & NAVIGATION ---
window.openTab = function(evt, tabName) {
const tabContents = document.getElementsByClassName("tab-content");
Array.from(tabContents).forEach(tab => tab.style.display = "none");
const tabButtons = document.getElementsByClassName("tab-btn");
Array.from(tabButtons).forEach(btn => btn.classList.remove("active"));
document.getElementById(tabName).style.display = "block";
if (evt) {
evt.currentTarget.classList.add("active");
} else {
const btnToActivate = Array.from(tabButtons).find(btn => btn.getAttribute('onclick').includes(`'${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('.status-banner')) {
console.warn("Please generate a report 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('Student-Discount-Report.pdf');
}).catch(err => {
console.error("Error generating PDF:", err);
}).finally(() => {
downloadPdfBtn.innerHTML = originalButtonText;
downloadPdfBtn.disabled = false;
});
});
}
// --- INITIALIZATION ---
function initializeTool() {
checkEligibility();
renderConfig();
updateNavButtons();
}
initializeTool();
});