import 'package:flutter/material.dart';

import '../model/collection.dart';
import '../service/bookmarks_provider.dart';
import '../service/storage.dart';
import '../widgets/create_bookmark_collection_dialog.dart';
import 'bookmarks_page.dart';

class CollectionsPage extends StatefulWidget {
  const CollectionsPage({super.key});
  static const String routeName = '/collections';

  @override
  State<CollectionsPage> createState() => _CollectionsPageState();
}

class _CollectionsPageState extends State<CollectionsPage> {
  final collections = Storage.loadCollections();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(),
      floatingActionButton: FloatingActionButton(
        onPressed: onAddButtonPressed,
        child: Icon(Icons.add),
      ),
      body: ListView.builder(
        itemBuilder: itemBuilder,
        itemCount: collections.length,
      ),
    );
  }

  void onAddButtonPressed() => showDialog(
    context: context,
    builder: (context) =>
        CreateBookmarkCollectionDialog(onSavePressed: onCollectionSaved),
  );

  void onCollectionSaved(String name) {
    collections.add(Collection(name: name));
    setState(() {});
    Storage.saveCollections(collections);
  }

  Widget itemBuilder(BuildContext context, int index) {
    final collection = collections.elementAt(index);
    return ListTile(
      title: Text(collection.name),
      onTap: () {
        BookmarksProvider.selectedCollectionId = collection.id;
        Navigator.pushNamed(context, BookmarksPage.routeName);
      },
    );
  }
}