ente/lib/ui/password_reentry_page.dart

import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'package:logging/logging.dart';
import 'package:photos/core/configuration.dart';
import 'package:photos/core/event_bus.dart';
import 'package:photos/events/subscription_purchased_event.dart';
import 'package:photos/ui/common/dynamicFAB.dart';
import 'package:photos/ui/recovery_page.dart';
import 'package:photos/utils/dialog_util.dart';

class PasswordReentryPage extends StatefulWidget {
  PasswordReentryPage({Key key}) : super(key: key);

  @override
  _PasswordReentryPageState createState() => _PasswordReentryPageState();
}

class _PasswordReentryPageState extends State<PasswordReentryPage> {
  final _passwordController = TextEditingController();
  final FocusNode _passwordFocusNode = FocusNode();
  bool _passwordInFocus = false;
  bool _passwordVisible = false;

  @override
  void initState() {
    super.initState();
    _passwordFocusNode.addListener(() {
      setState(() {
        _passwordInFocus = _passwordFocusNode.hasFocus;
      });
    });
  }

  @override
  Widget build(BuildContext context) {
    final isKeypadOpen = MediaQuery.of(context).viewInsets.bottom != 0;

    FloatingActionButtonLocation fabLocation() {
      if (isKeypadOpen) {
        return null;
      } else {
        return FloatingActionButtonLocation.centerFloat;
      }
    }

    return Scaffold(
        appBar: AppBar(
          elevation: 0,
          leading: IconButton(
            icon: Icon(Icons.arrow_back),
            color: Theme.of(context).iconTheme.color,
            onPressed: () {
              Navigator.of(context).pop();
            },
          ),
        ),
        body: _getBody(),
        floatingActionButton: DynamicFAB(
          isKeypadOpen: isKeypadOpen,
          isFormValid: _passwordController.text.isNotEmpty,
          buttonText: 'Log in',
          onPressedFunction: () async {
            final dialog = createProgressDialog(context, "please wait...");
            await dialog.show();
            try {
              await Configuration.instance.decryptAndSaveSecrets(
                  _passwordController.text,
                  Configuration.instance.getKeyAttributes());
            } catch (e) {
              Logger("PRP").warning(e);
              await dialog.hide();
              showErrorDialog(
                  context, "incorrect password", "please try again");
              return;
            }
            await dialog.hide();
            Bus.instance.fire(SubscriptionPurchasedEvent());
            Navigator.of(context).popUntil((route) => route.isFirst);
          },
        ),
        floatingActionButtonLocation: fabLocation());
  }

  Widget _getBody() {
    return Column(
      children: [
        Expanded(
          child: ListView(
            children: [
              Padding(
                padding:
                    const EdgeInsets.symmetric(vertical: 30, horizontal: 20),
                child: Text('Welcome back!',
                    style: Theme.of(context).textTheme.headline4),
              ),
              Padding(
                padding: const EdgeInsets.fromLTRB(20, 24, 20, 0),
                child: TextFormField(
                  autofillHints: [AutofillHints.password],
                  decoration: InputDecoration(
                    hintText: "enter your password",
                    filled: true,
                    contentPadding: EdgeInsets.all(20),
                    border: UnderlineInputBorder(
                        borderSide: BorderSide.none,
                        borderRadius: BorderRadius.circular(6)),
                    suffixIcon: _passwordInFocus
                        ? IconButton(
                            icon: Icon(
                              _passwordVisible
                                  ? Icons.visibility
                                  : Icons.visibility_off,
                              color: Theme.of(context).iconTheme.color,
                              size: 20,
                            ),
                            onPressed: () {
                              setState(() {
                                _passwordVisible = !_passwordVisible;
                              });
                            },
                          )
                        : null,
                  ),
                  style: TextStyle(
                    fontSize: 14,
                  ),
                  controller: _passwordController,
                  autofocus: true,
                  autocorrect: false,
                  obscureText: !_passwordVisible,
                  keyboardType: TextInputType.visiblePassword,
                  focusNode: _passwordFocusNode,
                  onChanged: (_) {
                    setState(() {});
                  },
                ),
              ),
              Padding(
                padding: const EdgeInsets.symmetric(vertical: 18),
                child: Divider(
                  thickness: 1,
                ),
              ),
              Padding(
                padding: const EdgeInsets.symmetric(horizontal: 20),
                child: Row(
                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                  children: [
                    GestureDetector(
                      behavior: HitTestBehavior.opaque,
                      onTap: () {
                        Navigator.of(context).push(
                          MaterialPageRoute(
                            builder: (BuildContext context) {
                              return RecoveryPage();
                            },
                          ),
                        );
                      },
                      child: Container(
                        child: Center(
                          child: Text("forgot password",
                              style: Theme.of(context)
                                  .textTheme
                                  .subtitle1
                                  .copyWith(
                                      fontSize: 14,
                                      decoration: TextDecoration.underline)),
                        ),
                      ),
                    ),
                    GestureDetector(
                      behavior: HitTestBehavior.opaque,
                      onTap: () async {
                        final dialog =
                            createProgressDialog(context, "please wait...");
                        await dialog.show();
                        await Configuration.instance.logout();
                        await dialog.hide();
                        Navigator.of(context)
                            .popUntil((route) => route.isFirst);
                      },
                      child: Container(
                        child: Center(
                          child: Text("change email",
                              style: Theme.of(context)
                                  .textTheme
                                  .subtitle1
                                  .copyWith(
                                      fontSize: 14,
                                      decoration: TextDecoration.underline)),
                        ),
                      ),
                    ),
                  ],
                ),
              )
            ],
          ),
        ),
        // Padding(padding: EdgeInsets.all(12)),
        // Container(
        //   padding: const EdgeInsets.symmetric(horizontal: 60),
        //   width: double.infinity,
        //   height: 64,
        //   child: OutlinedButton(
        //     child: Text("log in"),
        //     onPressed: _passwordController.text.isNotEmpty
        //         ? () async {
        //             final dialog =
        //                 createProgressDialog(context, "please wait...");
        //             await dialog.show();
        //             try {
        //               await Configuration.instance.decryptAndSaveSecrets(
        //                   _passwordController.text,
        //                   Configuration.instance.getKeyAttributes());
        //             } catch (e) {
        //               Logger("PRP").warning(e);
        //               await dialog.hide();
        //               showErrorDialog(
        //                   context, "incorrect password", "please try again");
        //               return;
        //             }
        //             await dialog.hide();
        //             Bus.instance.fire(SubscriptionPurchasedEvent());
        //             Navigator.of(context).popUntil((route) => route.isFirst);
        //           }
        //         : null,
        //   ),
        // ),
        // Padding(padding: EdgeInsets.all(30)),
      ],
    );
  }
}