// app.js — bootstrap. Runs after every other module's IIFE has
// registered its functions on window.app.modules.
(function () {
    'use strict';

    var state = window.app.state;
    var loader = window.app.modules.loader;
    var tree = window.app.modules.tree;
    var events = window.app.modules.events;

    // Virtual canonical folder injection used to live here (browse
    // appended archive/working/staging/reviewing entries at a project
    // root when missing). zddc-server now emits them in the listing
    // directly so the .zddc `display:` map can override their labels
    // the same as real entries. This pass-through stub keeps the
    // events.js rescope contract intact without doing any merging.
    function passThroughEntries(entries) { return entries; }

    // Expose for events.js's client-side rescope on dblclick.
    window.app.modules.augmentRoot = passThroughEntries;

    async function bootstrap() {
        events.init();

        // Try server auto-detect. If this page is served by zddc-server
        // (or any server with a Caddy-shaped JSON listing), load the
        // current directory automatically. Otherwise show the empty
        // state with the "Select Directory" button.
        var detected = await loader.autoDetectServerMode();
        if (detected) {
            tree.setRoot(detected.entries);
            events.showBrowseRoot();
            tree.render();
            events.statusInfo('Loaded ' + detected.entries.length + ' item'
                + (detected.entries.length === 1 ? '' : 's')
                + ' from ' + detected.path);
        }
        // Else: empty state stays visible; user can click Select Directory.

        // Browser back / forward: client-side rescope when the URL
        // changes via popstate. We can't tell server-vs-fs mode from
        // popstate alone, so only honor it in server mode.
        window.addEventListener('popstate', async function () {
            if (window.app.state.source !== 'server') return;
            var path = location.pathname;
            if (!path.endsWith('/')) path += '/';
            try {
                var es = await loader.fetchServerChildren(path);
                window.app.state.currentPath = path;
                window.app.state.selectedId = null;
                window.app.state.lastPreviewedNodeId = null;
                tree.setRoot(es);
                tree.render();
                var previewBody = document.getElementById('previewBody');
                if (previewBody) previewBody.innerHTML = '';
                var previewTitle = document.getElementById('previewTitle');
                if (previewTitle) previewTitle.textContent = 'No file selected';
            } catch (_e) { /* swallow — leave the tree as-is */ }
        });
    }

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