import 'package:flutter/material.dart';
import 'package:flutter_secure_storage/flutter_secure_storage.dart';

class SettingsPage extends StatefulWidget {
  const SettingsPage({Key? key}) : super(key: key);

  @override
  State<SettingsPage> createState() => _SettingsPageState();
}

class _SettingsPageState extends State<SettingsPage> {
  late TextEditingController _controllerHost;
  late TextEditingController _controllerUser;
  late TextEditingController _controllerPwd;

  @override
  void initState() {
    super.initState();
    _controllerHost = TextEditingController();
    _controllerUser = TextEditingController();
    _controllerPwd = TextEditingController();

    const storage = FlutterSecureStorage();
    storage
        .read(key: "host")
        .then((value) => _controllerHost.text = value ?? "");
    storage
        .read(key: "user")
        .then((value) => _controllerUser.text = value ?? "");
    storage.read(key: "pwd").then((value) => _controllerPwd.text = value ?? "");
  }

  @override
  Widget build(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.all(5),
      child: Column(
        children: [
          const SizedBox(
            height: 10,
          ),
          TextField(
            decoration: const InputDecoration(
                border: OutlineInputBorder(), labelText: "host"),
            controller: _controllerHost,
          ),
          const SizedBox(
            height: 5,
          ),
          TextField(
            decoration: const InputDecoration(
                border: OutlineInputBorder(), labelText: "user"),
            controller: _controllerUser,
          ),
          const SizedBox(
            height: 5,
          ),
          TextField(
            obscureText: true,
            decoration: const InputDecoration(
                border: OutlineInputBorder(), labelText: "password"),
            controller: _controllerPwd,
          ),
          const SizedBox(
            height: 5,
          ),
          TextButton(
              onPressed: () {
                const storage = FlutterSecureStorage();
                storage.write(key: "host", value: _controllerHost.value.text);
                storage.write(key: "user", value: _controllerUser.value.text);
                storage.write(key: "pwd", value: _controllerPwd.value.text);
              },
              child: const Text("Save"))
        ],
      ),
    );
  }
}