import 'dart:async';
import 'dart:io';

import 'package:flutter/material.dart';
import 'package:flutter_cache_manager/flutter_cache_manager.dart';
import 'package:weibo_kit/weibo_kit.dart';
import 'package:weibo_kit_example/api/model/weibo_api_resp.dart';
import 'package:weibo_kit_example/api/weibo_api.dart';

const String _WEIBO_APP_KEY = 'your weibo app key';
const String _WEIBO_UNIVERSAL_LINK = 'your weibo universal link';
const List<String> _WEIBO_SCOPE = <String>[
  WeiboScope.ALL,
];

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({
    super.key,
  });

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Home(),
    );
  }
}

class Home extends StatefulWidget {
  const Home({
    super.key,
  });
  @override
  State<StatefulWidget> createState() {
    return _HomeState();
  }
}

class _HomeState extends State<Home> {
  late final StreamSubscription<BaseResp> _respSubs;

  AuthResp? _authResp;

  @override
  void initState() {
    super.initState();
    _respSubs = Weibo.instance.respStream().listen(_listenResp);
  }

  void _listenResp(BaseResp resp) {
    if (resp is AuthResp) {
      _authResp = resp;
      final String content = 'auth: ${resp.errorCode}';
      _showTips('登录', content);
    } else if (resp is ShareMsgResp) {
      final String content = 'share: ${resp.errorCode}';
      _showTips('分享', content);
    }
  }

  @override
  void dispose() {
    _respSubs.cancel();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Weibo Kit Demo'),
      ),
      body: ListView(
        children: <Widget>[
          ListTile(
            title: Text('注册APP'),
            onTap: () async {
              await Weibo.instance.registerApp(
                appKey: _WEIBO_APP_KEY,
                universalLink: _WEIBO_UNIVERSAL_LINK,
                scope: _WEIBO_SCOPE,
              );
              _showTips('注册APP', '注册成功');
            },
          ),
          ListTile(
            title: Text('环境检查'),
            onTap: () async {
              final String content =
                  'weibo: ${await Weibo.instance.isInstalled()}';
              _showTips('环境检查', content);
            },
          ),
          ListTile(
            title: Text('登录'),
            onTap: () {
              Weibo.instance.auth(
                appKey: _WEIBO_APP_KEY,
                scope: _WEIBO_SCOPE,
              );
            },
          ),
          ListTile(
            title: Text('用户信息'),
            onTap: () async {
              if (_authResp?.isSuccessful ?? false) {
                final WeiboUserInfoResp userInfoResp =
                    await WeiboApi.getUserInfo(
                  appkey: _WEIBO_APP_KEY,
                  userId: _authResp!.userId!,
                  accessToken: _authResp!.accessToken!,
                );
                if (userInfoResp.isSuccessful) {
                  _showTips('用户信息',
                      '${userInfoResp.screenName}\n${userInfoResp.description}\n${userInfoResp.location}\n${userInfoResp.profileImageUrl}');
                } else {
                  _showTips('用户信息',
                      '获取用户信息失败\n${userInfoResp.errorCode}:${userInfoResp.error}');
                }
              }
            },
          ),
          ListTile(
            title: Text('文字分享'),
            onTap: () {
              Weibo.instance.shareText(
                text: 'Share Text',
              );
            },
          ),
          ListTile(
            title: Text('图片分享'),
            onTap: () async {
              final File file = await DefaultCacheManager().getSingleFile(
                  'https://www.baidu.com/img/bd_logo1.png?where=super');
              await Weibo.instance.shareImage(
                text: 'Share Text',
                imageUri: Uri.file(file.path),
              );
            },
          ),
          ListTile(
            title: Text('网页分享'),
            onTap: () async {
              // final File file = await DefaultCacheManager().getSingleFile(
              //     'https://www.baidu.com/img/bd_logo1.png?where=super');
              // final image.Image thumbnail =
              //     image.decodeImage(file.readAsBytesSync())!;
              // Uint8List thumbData = thumbnail.getBytes();
              // if (thumbData.length > 32 * 1024) {
              //   thumbData = Uint8List.fromList(image.encodeJpg(thumbnail,
              //       quality: 100 * 32 * 1024 ~/ thumbData.length));
              // }
              // await Weibo.instance.shareWebpage(
              //   title: 'title',
              //   description: 'share webpage',
              //   thumbData: thumbData.buffer.asUint8List(),
              //   webpageUrl: 'https://www.baidu.com',
              // );
            },
          ),
        ],
      ),
    );
  }

  void _showTips(String title, String content) {
    showDialog<void>(
      context: context,
      builder: (BuildContext context) {
        return AlertDialog(
          title: Text(title),
          content: Text(content),
        );
      },
    );
  }
}