import 'dart:io';

import 'package:downloadsfolder/downloadsfolder.dart';
import 'package:file_picker/file_picker.dart';
import 'package:flutter/material.dart';
import 'package:easy_localization/easy_localization.dart';
import 'package:filesystem_picker/filesystem_picker.dart';
import 'package:shared_preferences/shared_preferences.dart';

class Settings extends StatefulWidget {
  Settings({super.key});

  @override
  State<Settings> createState() => _SettingsState();
}

class _SettingsState extends State<Settings> {
  late Directory downloadFolder;
  late SharedPreferences prefs;

  Future<String> _init() async {
    prefs = await SharedPreferences.getInstance();
    Directory defaultDownloadDirectory = await getDownloadDirectory();
    downloadFolder = Directory(
        prefs.getString('downloadFolder') ?? defaultDownloadDirectory.path);
    return 'ok';
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: AppBar(
          title: Text('settings').tr(),
        ),
        body: FutureBuilder<String>(
          future: _init(),
          builder: (BuildContext context, AsyncSnapshot<String> snapshot) {
            if (snapshot.connectionState == ConnectionState.waiting) {
              return CircularProgressIndicator();
            } else if (snapshot.hasError) {
              return Center(child: Text('Error: ${snapshot.error}'));
            } else if (snapshot.hasData) {
              return LayoutBuilder(builder:
                  (BuildContext context, BoxConstraints viewportConstraints) {
                return viewportConstraints.maxHeight < double.infinity
                    ? Center(
                        child: Container(
                          constraints: viewportConstraints,
                          child: Column(
                            children: [
                              SizedBox(height: 10),
                              Text('settings').tr(),
                              SizedBox(height: 10),
                              Flexible(
                                  child: ListView(
                                children: [
                                  ListTile(
                                    title: Text('download_folder').tr(),
                                    subtitle: Text(downloadFolder.path),
                                    trailing: IconButton(
                                      icon: Icon(Icons.folder),
                                      onPressed: () async {
                                        String? selectedDirectory =
                                            await FilePicker.platform
                                                .getDirectoryPath();

                                        if (selectedDirectory != null) {
                                          prefs.setString('downloadFolder',
                                              selectedDirectory);
                                          setState(() {
                                            downloadFolder =
                                                Directory(selectedDirectory);
                                          });
                                        }
                                      },
                                    ),
                                  ),
                                  ListTile(
                                    title: Text('language').tr(),
                                    subtitle:
                                        Text(context.locale.toString()).tr(),
                                    trailing: DropdownButton(
                                      items: context.supportedLocales
                                          .map((locale) {
                                        return DropdownMenuItem(
                                          value: locale.toString(),
                                          child: Text(locale.toString()).tr(),
                                        );
                                      }).toList(),
                                      value: context.locale.toString(),
                                      onChanged: (String? value) => {
                                        if (value != null)
                                          {
                                            context.setLocale(Locale(
                                                value.split("_")[0],
                                                value.split("_")[1])),
                                          }
                                      },
                                    ),
                                  )
                                ],
                              )),
                            ],
                          ),
                        ),
                      )
                    : CircularProgressIndicator();
              });
            } else {
              return Center(child: Text('No data'));
            }
          },
        ));
  }
}