`;
reportPlaceholderEl.classList.add('hidden');
reportContentEl.classList.remove('hidden');
}
// --- PDF GENERATION ---
window.downloadPDF = async () => {
const { jsPDF } = window.jspdf;
if (!state.reportData) return;
const { inputs, checklist } = state.reportData;
const reportContainer = document.createElement('div');
reportContainer.id = 'pdf-report';
reportContainer.className = 'w-[800px] bg-white p-10 text-gray-800';
reportContainer.style.position = 'absolute';
reportContainer.style.left = '-9999px';
reportContainer.style.fontFamily = 'Inter, sans-serif';
const createPdfSection = (title, items) => {
if (items.length === 0) return '';
return `
${title}
${items.map(item => `- ${item.name}: ${item.desc}
`).join('')}
`;
};
const destinationText = document.getElementById('destination').options[document.getElementById('destination').selectedIndex].text;
reportContainer.innerHTML = `
Travel Health Checklist
Generated: ${new Date().toLocaleString('en-US', { dateStyle: 'full', timeStyle: 'short' })}
Your Trip Summary
Destination: ${destinationText}
Travel Style: ${inputs.travelStyle.charAt(0).toUpperCase() + inputs.travelStyle.slice(1)}
${createPdfSection('💉 Recommended Vaccinations', checklist.vaccines)}
${createPdfSection('💊 Prescription Medications to Discuss', checklist.meds)}
${createPdfSection('🩹 First-Aid Kit Essentials', checklist.firstAid)}
${createPdfSection('💡 Health & Safety Tips', checklist.tips)}
Important Disclaimer: This checklist is a general guide and NOT a substitute for professional medical advice. Consult a travel medicine specialist or your doctor 4-6 weeks before your trip for personalized recommendations.
`;
document.body.appendChild(reportContainer);
try {
const canvas = await html2canvas(reportContainer, { scale: 2, useCORS: true, logging: false });
const imgData = canvas.toDataURL('image/png');
const pdf = new jsPDF({ orientation: 'portrait', unit: 'mm', format: 'a4' });
const pageHeight = pdf.internal.pageSize.getHeight();
const pageWidth = pdf.internal.pageSize.getWidth();
const margin = 15;
const contentWidth = pageWidth - (margin * 2);
const imgProps = pdf.getImageProperties(imgData);
const contentHeight = (imgProps.height * contentWidth) / imgProps.width;
let heightLeft = contentHeight;
let position = 0;
pdf.addImage(imgData, 'PNG', margin, margin, contentWidth, contentHeight);
heightLeft -= (pageHeight - (margin * 2));
while (heightLeft > 0) {
position -= (pageHeight - (margin * 2));
pdf.addPage();
pdf.addImage(imgData, 'PNG', margin, position + margin, contentWidth, contentHeight);
heightLeft -= (pageHeight - (margin * 2));
}
pdf.save('Travel-Health-Checklist.pdf');
} catch (error) {
console.error("Error generating PDF:", error);
alert("Sorry, there was an error creating the PDF report.");
} finally {
document.body.removeChild(reportContainer);
}
};
// --- INITIALIZATION ---
switchTab(1);
});
