/* Drive Module JavaScript */

(function() {
    'use strict';

    let selectedFiles = [];
    let currentPath = '/';
    let viewMode = 'grid';

    function init() {
        bindNavigation();
        bindFileSelection();
        bindDragAndDrop();
        bindContextMenu();
        bindKeyboardShortcuts();
    }

    function bindNavigation() {
        document.querySelectorAll('.drive-nav-item').forEach(item => {
            item.addEventListener('click', function() {
                document.querySelectorAll('.drive-nav-item').forEach(i => i.classList.remove('active'));
                this.classList.add('active');
            });
        });
    }

    function bindFileSelection() {
        document.querySelectorAll('.file-card, .file-list-item').forEach(file => {
            file.addEventListener('click', function(e) {
                if (e.ctrlKey || e.metaKey) {
                    this.classList.toggle('selected');
                } else {
                    document.querySelectorAll('.file-card.selected, .file-list-item.selected')
                        .forEach(f => f.classList.remove('selected'));
                    this.classList.add('selected');
                }
                updateSelectedFiles();
            });

            file.addEventListener('dblclick', function() {
                const isFolder = this.dataset.type === 'folder';
                if (isFolder) {
                    navigateToFolder(this.dataset.path);
                } else {
                    openFile(this.dataset.id);
                }
            });
        });
    }

    function bindDragAndDrop() {
        const uploadZone = document.querySelector('.upload-zone');
        if (!uploadZone) return;

        ['dragenter', 'dragover', 'dragleave', 'drop'].forEach(event => {
            uploadZone.addEventListener(event, (e) => {
                e.preventDefault();
                e.stopPropagation();
            });
        });

        ['dragenter', 'dragover'].forEach(event => {
            uploadZone.addEventListener(event, () => uploadZone.classList.add('dragover'));
        });

        ['dragleave', 'drop'].forEach(event => {
            uploadZone.addEventListener(event, () => uploadZone.classList.remove('dragover'));
        });

        uploadZone.addEventListener('drop', (e) => {
            const files = e.dataTransfer.files;
            handleFileUpload(files);
        });
    }

    function bindContextMenu() {
        document.addEventListener('contextmenu', (e) => {
            const fileCard = e.target.closest('.file-card, .file-list-item');
            if (fileCard) {
                e.preventDefault();
                showContextMenu(e.clientX, e.clientY, fileCard);
            }
        });

        document.addEventListener('click', hideContextMenu);
    }

    function bindKeyboardShortcuts() {
        document.addEventListener('keydown', (e) => {
            if (e.key === 'Delete' && selectedFiles.length > 0) {
                deleteSelectedFiles();
            }
            if (e.key === 'a' && (e.ctrlKey || e.metaKey)) {
                e.preventDefault();
                selectAllFiles();
            }
            if (e.key === 'Escape') {
                deselectAllFiles();
                hideContextMenu();
            }
        });
    }

    function updateSelectedFiles() {
        selectedFiles = Array.from(document.querySelectorAll('.file-card.selected, .file-list-item.selected'))
            .map(f => f.dataset.id);
    }

    function navigateToFolder(path) {
        currentPath = path;
        // HTMX handles actual navigation
    }

    function openFile(fileId) {
        console.log('Opening file:', fileId);
    }

    function handleFileUpload(files) {
        console.log('Uploading files:', files);
    }

    function showContextMenu(x, y, fileCard) {
        hideContextMenu();
        const menu = document.getElementById('context-menu');
        if (menu) {
            menu.style.left = x + 'px';
            menu.style.top = y + 'px';
            menu.classList.remove('hidden');
            menu.dataset.fileId = fileCard.dataset.id;
        }
    }

    function hideContextMenu() {
        const menu = document.getElementById('context-menu');
        if (menu) menu.classList.add('hidden');
    }

    function selectAllFiles() {
        document.querySelectorAll('.file-card, .file-list-item').forEach(f => f.classList.add('selected'));
        updateSelectedFiles();
    }

    function deselectAllFiles() {
        document.querySelectorAll('.file-card.selected, .file-list-item.selected')
            .forEach(f => f.classList.remove('selected'));
        selectedFiles = [];
    }

    function deleteSelectedFiles() {
        if (confirm(`Delete ${selectedFiles.length} file(s)?`)) {
            console.log('Deleting:', selectedFiles);
        }
    }

    window.DriveModule = { init };

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