import 'package:aves/utils/android_file_utils.dart';
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'package:path/path.dart';

class CreateAlbumDialog extends StatefulWidget {
  @override
  _CreateAlbumDialogState createState() => _CreateAlbumDialogState();
}

class _CreateAlbumDialogState extends State<CreateAlbumDialog> {
  final TextEditingController _nameController = TextEditingController();
  Set<StorageVolume> allVolumes;
  StorageVolume primaryVolume, selectedVolume;

  @override
  void initState() {
    super.initState();

    // TODO TLAD improve new album default name
    _nameController.text = 'Album 1';

    allVolumes = androidFileUtils.storageVolumes;
    primaryVolume = allVolumes.firstWhere((volume) => volume.isPrimary, orElse: () => allVolumes.first);
    selectedVolume = primaryVolume;
  }

  @override
  void dispose() {
    _nameController.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return AlertDialog(
      title: const Text('New Album'),
      content: Column(
        mainAxisSize: MainAxisSize.min,
        children: [
          if (allVolumes.length > 1) ...[
            Row(
              mainAxisSize: MainAxisSize.min,
              children: [
                const Text('Storage:'),
                const SizedBox(width: 8),
                Expanded(
                  child: DropdownButton<StorageVolume>(
                    isExpanded: true,
                    items: allVolumes
                        .map((volume) => DropdownMenuItem(
                              value: volume,
                              child: Text(
                                volume.description,
                                softWrap: false,
                                overflow: TextOverflow.fade,
                                maxLines: 1,
                              ),
                            ))
                        .toList(),
                    value: selectedVolume,
                    onChanged: (volume) => setState(() => selectedVolume = volume),
                  ),
                ),
              ],
            ),
            const SizedBox(height: 16),
          ],
          TextField(
            controller: _nameController,
//            autofocus: true,
          ),
        ],
      ),
      contentPadding: const EdgeInsets.fromLTRB(24, 20, 24, 0),
      actions: [
        FlatButton(
          onPressed: () => Navigator.pop(context),
          child: Text('Cancel'.toUpperCase()),
        ),
        FlatButton(
          onPressed: () => Navigator.pop(context, _buildAlbumPath()),
          child: Text('Create'.toUpperCase()),
        ),
      ],
    );
  }

  String _buildAlbumPath() {
    final newName = _nameController.text;
    if (newName == null || newName.isEmpty) return null;
    return join(selectedVolume == primaryVolume ? androidFileUtils.dcimPath : selectedVolume.path, newName);
  }
}