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

Future<void> main() async {
  await RustLib.init();

  runApp(const MyApp());
}

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

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  LogProducer? _logProducer;
  String _consoleText = '';


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

    if (!mounted) return;
    print("application started.");
  }

  void print(String message) {
    setState(() {
      _consoleText += message;
      _consoleText += '\\n';
    });
  }

  void _initProducer() async {
    _logProducer = LogProducer(
      topicId: '',
      accessKey: '',
      accessSecret: '',
      accessToken: '',
      host: 'ap-XXXXXX.cls.tencentcs.com',
      waitSendLogQueue: 1000, addLogQueue: 1000, lingerMs: 2000);

    print('init producer client success');
  }

  void _callback() async {
    if (!check()) {
      return;
    }
    _logProducer?.setCallback(dartCallback: (topicId, requestId, status, errorMessage) =>  print('$requestId!, $status, $topicId, $errorMessage'));
    print('init callback success');
  }

  void _sendLog() async {
    if (!check()) {
      return;
    }
    _logProducer?.addLog(log: { 'hello': 'world' });
  }

  bool check() {
    if (null == _logProducer) {
      print('you should init producer first.');
      return false;
    }
    return true;
  }

  @override
  Widget build(BuildContext context) {
    Color color = Theme.of(context).primaryColor;

    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(title: const Text('tencent cloud cls flutter sdk demo')),
        body: Column(
          children: [
            _buildConsoleText(),
            _buildButton(color, 'init', _initProducer),
            _buildButton(color, 'set callback', _callback),
            _buildButton(color, 'send', _sendLog),
          ],
        ),
      ),
    );
  }

  Widget _buildConsoleText() {
    return Row(mainAxisSize: MainAxisSize.max, mainAxisAlignment: MainAxisAlignment.start, children: [
      Expanded(
          flex: 1,
          child: Container(
            margin: const EdgeInsets.only(bottom: 18),
            padding: const EdgeInsets.all(6),
            height: 140,
            decoration: BoxDecoration(
                border: Border.all(
                  color: Colors.grey,
                  width: 0.67,
                ),
                color: Colors.black),
            child: SingleChildScrollView(
              scrollDirection: Axis.vertical,
              child: Text(
                _consoleText,
                style: const TextStyle(
                    color: Colors.white,
                    fontSize: 12,
                    letterSpacing: 2,
                    wordSpacing: 2,
                    fontFeatures: [FontFeature.tabularFigures()]),
              ),
            ),
          ))
    ]);
  }

  Widget _buildButton(Color color, String label, VoidCallback? onPressed) {
    return Row(
      mainAxisSize: MainAxisSize.max,
      mainAxisAlignment: MainAxisAlignment.center,
      children: [
        Expanded(
            flex: 1,
            child: Container(
              margin: const EdgeInsets.only(left: 16, top: 8, right: 16),
              child: TextButton(
                  onPressed: onPressed,
                  style: ButtonStyle(
                      shape: WidgetStateProperty.all(RoundedRectangleBorder(borderRadius: BorderRadius.circular(12))),
                      side: WidgetStateProperty.all(BorderSide(color: color, width: 0.67)),
                      backgroundColor: WidgetStateProperty.all(Colors.transparent),
                      padding:
                      WidgetStateProperty.all(const EdgeInsets.only(left: 12, top: 6, right: 12, bottom: 6))),
                  child: Text(
                    label,
                    style: TextStyle(fontSize: 22, fontWeight: FontWeight.w400, color: color),
                  )),
            )),
      ],
    );
  }

}