/**
 * MeetLet feature-access matrix: row/column "select all" toggles.
 * Page-local (admin settings + mod form). Not AMD.
 */
(function() {
    const bindMatrix = (matrix) => {
        if (!matrix || matrix.getAttribute('data-access-bound') === '1') {
            return;
        }
        matrix.setAttribute('data-access-bound', '1');

        const setGroup = (checks, forceOn) => {
            const list = Array.from(checks).filter((el) => !el.disabled);
            if (!list.length) {
                return;
            }
            const turnOn = (typeof forceOn === 'boolean')
                ? forceOn
                : list.some((el) => !el.checked);
            list.forEach((el) => {
                if (el.checked !== turnOn) {
                    el.checked = turnOn;
                    el.dispatchEvent(new Event('change', {bubbles: true}));
                }
            });
        };

        matrix.addEventListener('click', (e) => {
            const btn = e.target.closest('[data-access-toggle]');
            if (!btn || !matrix.contains(btn) || matrix.classList.contains('is-disabled')) {
                return;
            }
            e.preventDefault();
            const mode = btn.getAttribute('data-access-toggle');
            if (mode === 'row') {
                const role = btn.getAttribute('data-role');
                setGroup(matrix.querySelectorAll('.meetlet-access-check[data-role="' + role + '"]'));
            } else if (mode === 'col') {
                const feature = btn.getAttribute('data-feature');
                setGroup(matrix.querySelectorAll('.meetlet-access-check[data-feature="' + feature + '"]'));
            }
        });
    };

    const init = () => {
        document.querySelectorAll('[data-meetlet-access-matrix]').forEach(bindMatrix);
    };

    if (document.readyState === 'loading') {
        document.addEventListener('DOMContentLoaded', init);
    } else {
        init();
    }
})();