ElectronicAssistant/lib/module/talk/mindmap/controller.dart

import 'dart:async';
import 'dart:convert';
import 'dart:io';
import 'dart:typed_data';
import 'dart:ui';
import 'package:flutter/material.dart';
import 'package:path_provider/path_provider.dart';
import 'package:electronic_assistant/base/base_controller.dart';
import 'package:electronic_assistant/module/talk/mindmap/mind_util.dart';
import 'package:electronic_assistant/resource/assets.gen.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/widgets.dart';
import 'package:get/get.dart';
import 'package:get/get_core/src/get_main.dart';
import 'package:webview_flutter/webview_flutter.dart';
import '../../../data/bean/template_bean.dart';
import '../controller.dart';

class MindMapController extends BaseController {
  final String? talkId;

  MindMapController(this.talkId);

  TalkController get talkController => Get.find<TalkController>(tag: talkId);

  List<TemplateBean>? get templateList => talkController.templateList.value;

  int? get templateSelectId => talkController.templateSelectId.value;

  RxBool get isShowMindFullScreen => talkController.isShowMindFullScreen;

  StreamSubscription? _talkSummaryListener;
  GlobalKey repaintKey = GlobalKey();

  @override
  void onReady() async {
    super.onReady();
    // await talkController.webViewController
    //     .loadRequest(Uri.parse('http://192.168.10.144:9528/'));
    // await talkController.webViewController.loadFlutterAsset(Assets.images.test);
    // talkController.webViewController.setBackgroundColor(Colors.blue);
    talkController.webViewController.loadFlutterAsset(Assets.html.index);
    talkController.webViewController.setNavigationDelegate(
      NavigationDelegate(
        onPageFinished: (String url) async {
          _dealTalkSummaryUpdate(talkController.talkBean.value?.summary.value);
        },
        onNavigationRequest: (NavigationRequest request) {
          return NavigationDecision.navigate;
        },
      ),
    );
    _talkSummaryListener =
        talkController.talkBean.value?.summary.listen((summary) {
      _dealTalkSummaryUpdate(summary);
    });
  }

  // // Capture WebView content as a PNG image
  // Future<void> _captureAndSaveScreenshot() async {
  //   try {
  //     // Render the content inside RepaintBoundary to a picture
  //     RenderRepaintBoundary boundary = repaintKey.currentContext!
  //         .findRenderObject() as RenderRepaintBoundary;
  //     var image = await boundary.toImage(
  //         pixelRatio: 3); // Higher pixel ratio for better quality
  //
  //     // Convert the image to byte data
  //     ByteData? byteData = await image.toByteData(format: ImageByteFormat.png);
  //     Uint8List uint8List = byteData!.buffer.asUint8List();
  //
  //     // Get the path to save the image
  //     final directory = await getApplicationDocumentsDirectory();
  //     final path = '${directory.path}/webview_screenshot.png';
  //
  //     // Save the file
  //     final file = File(path);
  //     await file.writeAsBytes(uint8List);
  //
  //     print('Screenshot saved at $path');
  //   } catch (e) {
  //     print("Error taking screenshot: $e");
  //   }
  // }

  void _dealTalkSummaryUpdate(String? summary) {
    debugPrint('mindMap summary: $summary');
    talkController.webViewController
        .callHandler(MindUtil.functionToJsUpdateMind, args: [summary],
            handler: (value) {
      debugPrint('mindMap summary: $value');
    });
  }

  void addTemplateClick() {}

  void fullScreenClick() {
    talkController.isShowMindFullScreen.value = true;
  }

  void exitFullScreenClick() {
    talkController.onExitMindFullScreen();
  }

  @override
  void onClose() {
    super.onClose();
    _talkSummaryListener?.cancel();
  }
}