// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0

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

class RestApiView extends StatefulWidget {
  const RestApiView({super.key});

  @override
  State<RestApiView> createState() => _RestApiViewState();
}

class _RestApiViewState extends State<RestApiView> {
  late TextEditingController _apiPathController;
  late RestOperation _lastRestOperation;

  @override
  void initState() {
    super.initState();

    _apiPathController = TextEditingController();
    _apiPathController.text = '/items';
  }

  void onPutPressed() async {
    try {
      final restOperation = Amplify.API.put(
        _apiPathController.text,
        body: HttpPayload.json({'name': 'Mow the lawn'}),
      );

      _lastRestOperation = restOperation;
      final response = await restOperation.response;

      print('Put SUCCESS');
      print(response.decodeBody());
    } on Exception catch (e) {
      print('Put FAILED');
      print(e);
    }
  }

  void onPostPressed() async {
    try {
      final restOperation = Amplify.API.post(
        _apiPathController.text,
        body: HttpPayload.json({'name': 'Mow the lawn'}),
      );

      _lastRestOperation = restOperation;
      final response = await restOperation.response;

      print('Post SUCCESS');
      print(response.decodeBody());
    } on Exception catch (e) {
      print('Post FAILED');
      print(e);
    }
  }

  void onGetPressed() async {
    try {
      final restOperation = Amplify.API.get(
        _apiPathController.text,
      );

      _lastRestOperation = restOperation;
      final response = await restOperation.response;

      print('Get SUCCESS');
      print(response.decodeBody());
    } on ApiException catch (e) {
      print('Get FAILED');
      print(e.toString());
    }
  }

  void onDeletePressed() async {
    try {
      final restOperation = Amplify.API.delete(
        _apiPathController.text,
      );
      _lastRestOperation = restOperation;
      final response = await restOperation.response;

      print('Delete SUCCESS');
      print(response.decodeBody());
    } on Exception catch (e) {
      print('Delete FAILED');
      print(e);
    }
  }

  void onCancelPressed() async {
    try {
      await _lastRestOperation.cancel();
    } on Exception catch (e) {
      print('Cancel FAILED');
      print(e.toString());
    }
  }

  void onHeadPressed() async {
    try {
      final restOperation = Amplify.API.head(
        _apiPathController.text,
      );

      _lastRestOperation = restOperation;
      await restOperation.response;

      print('Head SUCCESS');
    } on ApiException catch (e) {
      print('Head FAILED');
      print(e.toString());
    }
  }

  void onPatchPressed() async {
    try {
      final restOperation = Amplify.API.patch(
        _apiPathController.text,
        body: HttpPayload.json({'name': 'Mow the lawn'}),
      );

      _lastRestOperation = restOperation;
      final response = await restOperation.response;

      print('Patch SUCCESS');
      print(response.decodeBody());
    } on ApiException catch (e) {
      print('Patch FAILED');
      print(e.toString());
    }
  }

  @override
  Widget build(BuildContext context) {
    return Column(
      children: [
        TextField(
          controller: _apiPathController,
          decoration: const InputDecoration(
            border: OutlineInputBorder(),
            labelText: 'apiPath',
          ),
        ),
        ElevatedButton(
          onPressed: onPostPressed,
          child: const Text('Post'),
        ),
        ElevatedButton(
          onPressed: onPutPressed,
          child: const Text('Put'),
        ),
        ElevatedButton(
          onPressed: onGetPressed,
          child: const Text('Get'),
        ),
        ElevatedButton(
          onPressed: onCancelPressed,
          child: const Text('Cancel'),
        ),
        ElevatedButton(
          onPressed: onDeletePressed,
          child: const Text('Delete'),
        ),
        ElevatedButton(
          onPressed: onHeadPressed,
          child: const Text('Head'),
        ),
        ElevatedButton(onPressed: onPatchPressed, child: const Text('Patch')),
      ],
    );
  }
}