/// Composes the note-editing form shared by capture and the detail screen.
///
/// Composition only, no logic of its own: [NoteFormChromeGate] decides
/// visibility, [NoteMetaRow] renders the priority/status row, and [NoteEditor]
/// owns the text. Both surfaces render this so an edited note and a fresh
/// capture cannot look different -- the divergence this replaced was the
/// detail screen defaulting `advancedMode` to true while the app-wide setting
/// defaults to false.
library;

import 'package:flutter/material.dart';

import 'package:todo/data/note.dart';
import 'package:todo/data/note_template.dart';
import 'package:todo/ui/note_editor.dart';
import 'package:todo/ui/note_form_chrome_gate.dart';
import 'package:todo/ui/note_meta_row.dart';

/// The metadata row above a [NoteEditor], gated on advanced mode.
class NoteForm extends StatelessWidget {
  /// Creates the form for the given note values.
  const NoteForm({
    required this.advancedMode,
    required this.priority,
    required this.status,
    required this.onPriorityChanged,
    required this.onStatusChanged,
    required this.onChanged,
    this.initialText = '',
    this.initialTemplate,
    this.autofocus = false,
    super.key,
  });

  /// Whether the metadata row and the editor's own chrome may be shown.
  final bool advancedMode;

  /// The note's current priority.
  final Priority priority;

  /// The note's current status.
  final Status status;

  /// Called with a newly picked priority.
  final ValueChanged<Priority> onPriorityChanged;

  /// Called with a newly picked status.
  final ValueChanged<Status> onStatusChanged;

  /// Called with the freshly assembled note text on every edit.
  final ValueChanged<String> onChanged;

  /// Existing note text to load. Empty for a fresh draft.
  final String initialText;

  /// Template to author with. Null detects it from [initialText], which is
  /// what opening an existing note wants.
  final NoteTemplate? initialTemplate;

  /// Autofocus the editor, so a fresh capture needs zero taps before typing.
  final bool autofocus;

  @override
  Widget build(BuildContext context) {
    return NoteFormChromeGate(
      advancedMode: advancedMode,
      builder:
          (context, {required chromeVisible, required onChromeVisibleChanged}) {
            return Column(
              crossAxisAlignment: CrossAxisAlignment.stretch,
              children: [
                if (chromeVisible) ...[
                  NoteMetaRow(
                    priority: priority,
                    status: status,
                    onPriorityChanged: onPriorityChanged,
                    onStatusChanged: onStatusChanged,
                  ),
                  const SizedBox(height: 12),
                ],
                Expanded(
                  child: NoteEditor(
                    initialText: initialText,
                    initialTemplate: initialTemplate,
                    initialMode: NoteEditorMode.raw,
                    advancedMode: advancedMode,
                    priority: priority,
                    onPriorityChanged: onPriorityChanged,
                    onChromeVisibleChanged: onChromeVisibleChanged,
                    autofocus: autofocus,
                    onChanged: onChanged,
                  ),
                ),
              ],
            );
          },
    );
  }
}