document.addEventListener('DOMContentLoaded', function () {
    // Confirmation data-confirm sur les formulaires (evite confirm() inline bloqué par CSP)
    document.querySelectorAll('form[data-confirm]').forEach(function (form) {
        form.addEventListener('submit', function (e) {
            var msg = form.getAttribute('data-confirm') || 'Confirmer ?';
            if (!window.confirm(msg)) {
                e.preventDefault();
            }
        });
    });

    // Sélection globale articles
    var checkAll = document.getElementById('check-all');
    if (checkAll) {
        checkAll.addEventListener('change', function () {
            document.querySelectorAll('.bulk-check').forEach(function (cb) {
                cb.checked = checkAll.checked;
            });
        });
    }

    // Indicateurs de traitement formulaire SMTP (config + tester connexion)
    var smtpForm = document.getElementById('smtp-config-form');
    if (smtpForm) {
        smtpForm.addEventListener('submit', function (e) {
            var clicked = e.submitter;
            if (!clicked) return;
            smtpForm.querySelectorAll('button[type="submit"]').forEach(function (btn) {
                btn.disabled = true;
            });
            var isSave = clicked.id === 'smtp-save-btn';
            clicked.innerHTML = '<span class="spinner-border spinner-border-sm me-1" role="status" aria-hidden="true"></span>'
                + (isSave ? 'Enregistrement…' : 'En cours…');
        });
    }

    // Indicateur de traitement envoi email de test
    var smtpTestForm = document.getElementById('smtp-test-form');
    if (smtpTestForm) {
        smtpTestForm.addEventListener('submit', function () {
            var btn = document.getElementById('smtp-send-btn');
            if (btn) {
                btn.disabled = true;
                btn.innerHTML = '<span class="spinner-border spinner-border-sm me-1" role="status" aria-hidden="true"></span>En cours…';
            }
        });
    }

    // Suppression groupée avec confirmation (remplace onclick inline)
    var bulkDeleteBtn = document.getElementById('bulk-delete-btn');
    if (bulkDeleteBtn) {
        bulkDeleteBtn.addEventListener('click', function (e) {
            var checked = document.querySelectorAll('.bulk-check:checked').length;
            if (checked === 0) { e.preventDefault(); return; }
            var msg = bulkDeleteBtn.getAttribute('data-confirm-bulk') || 'Confirmer ?';
            if (!window.confirm(msg)) { e.preventDefault(); }
        });
    }

    // Ajout d'un article à un livre (remplace onchange="bookAddArticle(this)")
    var bookArticleSel = document.getElementById('book-article-select');
    if (bookArticleSel) {
        bookArticleSel.addEventListener('change', function () {
            var slug = bookArticleSel.value;
            if (!slug) { return; }
            var ta    = document.getElementById('book-articles-ta');
            var lines = ta.value.split('\n').map(function (s) { return s.trim(); }).filter(Boolean);
            if (lines.indexOf(slug) === -1) { lines.push(slug); ta.value = lines.join('\n'); }
            bookArticleSel.value = '';
        });
    }
});