/**
 * Keyboard shortcuts for power users
 */

document.addEventListener('DOMContentLoaded', function() {
    document.addEventListener('keydown', function(e) {
        // ESC: Close modals, cancel edit mode, blur inputs
        if (e.key === 'Escape') {
            // Close any open modals first
            const openModals = document.querySelectorAll('.modal-overlay');
            let closedModal = false;
            openModals.forEach(modal => {
                if (modal.style.display !== 'none' && modal.offsetParent !== null) {
                    modal.remove();
                    document.body.classList.remove('modal-open');
                    closedModal = true;
                }
            });

            // Close settings modal if open
            const settingsModal = document.getElementById('settingsModal');
            if (settingsModal && settingsModal.style.display !== 'none') {
                settingsModal.style.display = 'none';
                document.body.classList.remove('modal-open');
                closedModal = true;
            }

            // Close advanced search modal if open
            const searchModal = document.getElementById('advancedSearchModal');
            if (searchModal && searchModal.style.display !== 'none') {
                searchModal.style.display = 'none';
                document.body.classList.remove('modal-open');
                closedModal = true;
            }

            // If we closed a modal, stop here
            if (closedModal) {
                e.preventDefault();
                return;
            }

            // Blur any focused input
            if (e.target.tagName === 'INPUT' ||
                e.target.tagName === 'TEXTAREA' ||
                e.target.isContentEditable) {
                e.target.blur();
            }

            // Cancel edit mode on ticket pages
            const editButton = document.getElementById('editButton');
            if (editButton && editButton.classList.contains('active')) {
                window.location.reload();
            }
            return;
        }

        // Skip other shortcuts if user is typing in an input/textarea
        if (e.target.tagName === 'INPUT' ||
            e.target.tagName === 'TEXTAREA' ||
            e.target.isContentEditable) {
            return;
        }

        // Ctrl/Cmd + E: Toggle edit mode (on ticket pages)
        if ((e.ctrlKey || e.metaKey) && e.key === 'e') {
            e.preventDefault();
            const editButton = document.getElementById('editButton');
            if (editButton) {
                editButton.click();
                toast.info('Edit mode ' + (editButton.classList.contains('active') ? 'enabled' : 'disabled'));
            }
        }

        // Ctrl/Cmd + S: Save ticket (on ticket pages)
        if ((e.ctrlKey || e.metaKey) && e.key === 's') {
            e.preventDefault();
            const editButton = document.getElementById('editButton');
            if (editButton && editButton.classList.contains('active')) {
                editButton.click();
                toast.success('Saving ticket...');
            }
        }

        // Ctrl/Cmd + K: Focus search (on dashboard)
        if ((e.ctrlKey || e.metaKey) && e.key === 'k') {
            e.preventDefault();
            const searchBox = document.querySelector('.search-box');
            if (searchBox) {
                searchBox.focus();
                searchBox.select();
            }
        }

        // ? : Show keyboard shortcuts help (requires Shift on most keyboards)
        if (e.key === '?') {
            e.preventDefault();
            showKeyboardHelp();
        }
    });
});

function showKeyboardHelp() {
    // Check if help is already showing
    if (document.getElementById('keyboardHelpModal')) {
        return;
    }

    const modal = document.createElement('div');
    modal.id = 'keyboardHelpModal';
    modal.className = 'modal-overlay';
    modal.innerHTML = `
        <div class="modal-content ascii-frame-outer" style="max-width: 400px;">
            <div class="ascii-frame">
                <div class="ascii-content">
                    <h3 style="margin: 0 0 1rem 0; color: var(--terminal-green);">KEYBOARD SHORTCUTS</h3>
                    <div class="modal-body" style="padding: 0;">
                        <table style="width: 100%; border-collapse: collapse;">
                            <tr><td style="padding: 0.5rem; border-bottom: 1px solid var(--border-color);"><kbd>Ctrl/Cmd + E</kbd></td><td style="padding: 0.5rem; border-bottom: 1px solid var(--border-color);">Toggle Edit Mode</td></tr>
                            <tr><td style="padding: 0.5rem; border-bottom: 1px solid var(--border-color);"><kbd>Ctrl/Cmd + S</kbd></td><td style="padding: 0.5rem; border-bottom: 1px solid var(--border-color);">Save Changes</td></tr>
                            <tr><td style="padding: 0.5rem; border-bottom: 1px solid var(--border-color);"><kbd>Ctrl/Cmd + K</kbd></td><td style="padding: 0.5rem; border-bottom: 1px solid var(--border-color);">Focus Search</td></tr>
                            <tr><td style="padding: 0.5rem; border-bottom: 1px solid var(--border-color);"><kbd>ESC</kbd></td><td style="padding: 0.5rem; border-bottom: 1px solid var(--border-color);">Close Modal / Cancel</td></tr>
                            <tr><td style="padding: 0.5rem;"><kbd>?</kbd></td><td style="padding: 0.5rem;">Show This Help</td></tr>
                        </table>
                    </div>
                    <div class="modal-footer" style="margin-top: 1rem;">
                        <button class="btn btn-secondary" data-action="close-shortcuts-modal">Close</button>
                    </div>
                </div>
            </div>
        </div>
    `;
    document.body.appendChild(modal);

    // Add event listener for the close button
    modal.querySelector('[data-action="close-shortcuts-modal"]').addEventListener('click', function() {
        modal.remove();
    });
}