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

class WebViewScreen extends StatefulWidget {
  String label;
  String link;
  WebViewScreen({super.key, required this.label, required this.link});

  @override
  State<WebViewScreen> createState() => _WebViewScreenState();
}

class _WebViewScreenState extends State<WebViewScreen> {
  bool isLoading = true;

  late WebViewController controller;

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

    controller = WebViewController()
      ..setJavaScriptMode(JavaScriptMode.unrestricted)
      ..setBackgroundColor(const Color(0x00000000))
      ..setNavigationDelegate(
        NavigationDelegate(
          onProgress: (int progress) {},
          onPageStarted: (String url) {
            setState(() {
              isLoading = true;
            });
          },
          onPageFinished: (String url) {
            setState(() {
              isLoading = false;
            });
          },
          onWebResourceError: (WebResourceError error) {},
          onNavigationRequest: (NavigationRequest request) {
            if (request.url.startsWith('https://www.google.com/')) {
              return NavigationDecision.prevent;
            }
            return NavigationDecision.navigate;
          },
        ),
      )
      ..loadRequest(Uri.parse(widget.link));
  }

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

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.label),
      ),
      body: Stack(
        children: [
          if (isLoading)
            const Center(child: CircularProgressIndicator())
          else
            const SizedBox(),
          WebViewWidget(controller: controller),
        ],
      ),
    );
  }
}