/*
 * Copyright (C) 2023 Yubico.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_gen/gen_l10n/app_localizations.dart';

import '../../app/message.dart';
import '../../app/shortcuts.dart';
import '../../app/state.dart';
import '../../exception/cancellation_exception.dart';
import '../models.dart';
import '../state.dart';

class CalculateIntent extends Intent {
  const CalculateIntent();
}

class TogglePinIntent extends Intent {
  const TogglePinIntent();
}

Future<OathCode?> _calculateCode(
    OathCredential credential, WidgetRef ref) async {
  final node = ref.read(currentDeviceProvider)!;
  try {
    return await ref
        .read(credentialListProvider(node.path).notifier)
        .calculate(credential);
  } on CancellationException catch (_) {
    return null;
  }
}

Widget registerOathActions(
  OathCredential credential, {
  required WidgetRef ref,
  required Widget Function(BuildContext context) builder,
  Map<Type, Action<Intent>> actions = const {},
}) =>
    Actions(
      actions: {
        CalculateIntent: CallbackAction<CalculateIntent>(onInvoke: (_) {
          return _calculateCode(credential, ref);
        }),
        CopyIntent: CallbackAction<CopyIntent>(onInvoke: (_) async {
          var code = ref.read(codeProvider(credential));
          if (code == null ||
              (credential.oathType == OathType.totp &&
                  ref.read(expiredProvider(code.validTo)))) {
            code = await _calculateCode(credential, ref);
          }
          if (code != null) {
            final clipboard = ref.watch(clipboardProvider);
            await clipboard.setText(code.value, isSensitive: true);
            if (!clipboard.platformGivesFeedback()) {
              await ref.read(withContextProvider)((context) async {
                showMessage(context,
                    AppLocalizations.of(context)!.l_code_copied_clipboard);
              });
            }
          }
          return code;
        }),
        TogglePinIntent: CallbackAction<TogglePinIntent>(onInvoke: (_) {
          ref.read(favoritesProvider.notifier).toggleFavorite(credential.id);
          return null;
        }),
        ...actions,
      },
      child: Builder(builder: builder),
    );