import 'dart:convert';

import 'package:flutter/cupertino.dart';
import 'package:hiddingsel_app/services/environment.dart';
import 'package:webview_flutter/webview_flutter.dart';

class HtmlView extends StatefulWidget {
  final String _html;
  final String html;

  HtmlView(this.html)
      : _html = Uri.dataFromString(html, mimeType: 'text/html', encoding: utf8)
      .toString();

  @override
  State<StatefulWidget> createState() => _HtmlViewState();
}

class _HtmlViewState extends State<HtmlView> {

  double? _height;

  @override
  Widget build(BuildContext context) {
    WebViewController wbController = WebViewController()
      ..enableZoom(true)
      ..setJavaScriptMode(JavaScriptMode.unrestricted);
    wbController.setNavigationDelegate(
        NavigationDelegate(
          onPageFinished: (String) async {
            if (_height == null) {
              var heightString = (await wbController
                  .runJavaScriptReturningResult(
                  'document.documentElement.scrollHeight;'));
              setState(() {
                _height = double.parse(heightString.toString());
              });
            }
          }
        ),
      );
    wbController.loadHtmlString(widget.html);
    return SizedBox(
      height: _height ?? 1,
      child: WebViewWidget(
        controller: wbController,
      ),
    );
  }
}