comunicmobile/lib/ui/routes/account_settings/account_privacy_settings.dart

import 'package:comunic/helpers/account_helper.dart';
import 'package:comunic/ui/dialogs/input_user_password_dialog.dart';
import 'package:comunic/utils/intl_utils.dart';
import 'package:comunic/utils/ui_utils.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:settings_ui/settings_ui.dart';

/// Account privacy settings
///
/// @author Pierre HUBERT

class AccountPrivacySettings extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text(tr("Privacy settings"))),
      body: _AccountPrivacyScreen(),
    );
  }
}

class _AccountPrivacyScreen extends StatefulWidget {
  @override
  __AccountPrivacyScreenState createState() => __AccountPrivacyScreenState();
}

class __AccountPrivacyScreenState extends State<_AccountPrivacyScreen> {
  @override
  Widget build(BuildContext context) {
    return SettingsList(sections: [
      SettingsSection(title: tr("Privacy settings"), tiles: [
        SettingsTile(
          title: tr("Delete your account"),
          subtitle:
              tr("Permanently delete your account and all data related to it."),
          onTap: _deleteAccount,
        )
      ])
    ]);
  }

  /// Permanently delete user account
  void _deleteAccount() async {
    try {
      // First dialog
      if (!await showConfirmDialog(
          context: context,
          message: tr(
              "Do you really want to delete your account? This operation CAN NOT be reverted!")))
        return;

      // Ask user password dialog
      final password = await showUserPasswordDialog(context);
      if (password == null) return;

      // Last chance dialog
      if (await showCupertinoDialog<bool>(
              context: context,
              builder: (c) => _LastChanceDeleteAccountDialog()) !=
          true) return;

      // Delete account
      await AccountHelper.deleteAccount(password);
    } catch (e, stack) {
      print("Could not delete user account! $e\n$stack");
      showSimpleSnack(context, tr("Could not delete your account!"));
    }
  }
}

class _LastChanceDeleteAccountDialog extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return CupertinoAlertDialog(
      title: Text(tr("Delete your account")),
      content: Text(tr(
          "Let us ask you one last time. Do you really want to delete your account? If you decide to do so, your data will be permanently removed from our servers, so we will not be able to recover your account. If you decide to proceed, the deletion process will start immediatly and you will automatically get disconnected from your account.")),
      actions: <Widget>[
        CupertinoDialogAction(
          isDefaultAction: true,
          child: Text(tr("Cancel")),
          onPressed: () => Navigator.of(context).pop(false),
        ),
        CupertinoDialogAction(
          isDestructiveAction: true,
          child: Text(tr("Confirm")),
          onPressed: () => Navigator.of(context).pop(true),
        ),
      ],
    );
  }
}