// CDN jsPDF + autoTable pour export PDF
document.addEventListener('DOMContentLoaded', function() {
    if (!window.jspdfLoaded) {
        const script1 = document.createElement('script');
        script1.src = 'https://cdnjs.cloudflare.com/ajax/libs/jspdf/2.5.1/jspdf.umd.min.js';
        script1.onload = function() {
            const script2 = document.createElement('script');
            script2.src = 'https://cdnjs.cloudflare.com/ajax/libs/jspdf-autotable/3.8.2/jspdf.plugin.autotable.min.js';
            script2.onload = function() { window.jspdfLoaded = true; };
            document.body.appendChild(script2);
        };
        document.body.appendChild(script1);
    }
});

function exportTableToPDF() {
    if (!window.jspdfLoaded) {
        alert('Les librairies PDF ne sont pas encore chargées. Veuillez réessayer dans quelques secondes.');
        return;
    }
    const { jsPDF } = window.jspdf;
    const doc = new jsPDF();
    doc.text('Tableau des appréciations', 14, 14);
    const table = document.getElementById('appreciations-table');
    const rows = Array.from(table.querySelectorAll('tbody tr'))
        .map(tr => [
            tr.querySelector('.eleve')?.textContent.trim() || '',
            tr.querySelector('.appreciation')?.textContent.trim() || ''
        ]);
    doc.autoTable({
        head: [['Élève', 'Appréciation']],
        body: rows,
        startY: 20,
        styles: { fontSize: 10, cellWidth: 'wrap' },
        headStyles: { fillColor: [55, 90, 127] }
    });
    doc.save('appreciations.pdf');
}