import 'package:audiobook_player/presentation/library_page/library_page.dart';
import 'package:file_picker/file_picker.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';

class HomePage extends StatefulWidget {
  @override
  _HomePageState createState() => _HomePageState();
}

class _HomePageState extends State<HomePage> {
  String _fileName;
  List<PlatformFile> _paths = [];
  List<String> _listOfFileName = <String>[];
  String _directoryPath;
  String _extension;
  bool _loadingPath = false;
  bool _multiPick = true;
  List<String> _listOfPaths;
  FileType _pickingType = FileType.audio;

  void _openFileExplorer() async {
    setState(() => _loadingPath = true);
    try {
      _directoryPath = null;
      _paths = (await FilePicker.platform.pickFiles(
        type: FileType.audio,
        allowMultiple: true,
        allowedExtensions: (_extension?.isNotEmpty ?? false)
            ? _extension?.replaceAll(' ', '')?.split(',')
            : null,
      ))
          ?.files;
    } on PlatformException catch (e) {
      print("Unsupported operation" + e.toString());
    } catch (ex) {
      print(ex);
    }
    if (!mounted) return;
    setState(() {
      _loadingPath = false;
      _fileName = _paths != null ? _paths.map((e) => e.name).toString() : '...';
      // _listOfFileName.add(_fileName);
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text("Open Audiobook"),
        actions: <Widget>[
          InkWell(
            onTap: () async {
              setState(() {
                _openFileExplorer();
              });
            },
            child: Padding(
              padding: const EdgeInsets.all(15.0),
              child: Icon(Icons.add_circle_outline_rounded),
            ),
          ),
        ],
      ),
      body: Center(
        child: ElevatedButton(
          child: Text('Go to Library Page'),
          onPressed: () {
            Navigator.push(
              context,
              MaterialPageRoute(
                builder: (context) => LibraryPage(
                  listOfFileName: _listOfFileName,
                  paths: _paths,
                ),
              ),
            );
          },
        ),
      ),
    );
  }
}