(function (app) {
    'use strict';

    function boot() {
        // When this bundle is hosted by the unified tables.html, the
        // mode dispatcher decides which app paints. Skip when mode is
        // not "form" — table-mode requests are handled by tablesApp.
        // (Standalone form/dist/form.html has no zddcMode global; treat
        // undefined as form-mode for back-compat.)
        if (window.zddcMode && window.zddcMode !== 'form') {
            return;
        }
        app.context = app.modules.context.load();

        if (app.context.title) {
            // Standalone form.html has #form-title in its header; unified
            // tables.html bundle has #table-title (shared across modes).
            // Whichever exists, write to it.
            const t = document.getElementById('form-title') ||
                      document.getElementById('table-title');
            if (t) {
                t.textContent = app.context.title;
            }
            document.title = app.context.title + ' — ZDDC';
        }

        const root = document.getElementById('form-root');
        if (root && app.context.schema) {
            app.rootWidget = app.modules.render.mount(
                root,
                app.context.schema,
                app.context.ui || {},
                app.context.data
            );
        }

        if (app.context.errors && app.context.errors.length) {
            app.modules.errors.apply(app.context.errors);
            app.modules.post.showStatus('Please correct the errors below.', 'error');
        }

        const submitBtn = document.getElementById('submit-btn');
        if (submitBtn) {
            submitBtn.addEventListener('click', app.modules.post.submit);
        }
    }

    if (document.readyState === 'loading') {
        document.addEventListener('DOMContentLoaded', boot, { once: true });
    } else {
        boot();
    }
})(window.formApp);