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

class CallScreen extends StatefulWidget {
  final String callId;
  final bool isIncoming;
  final String callerName;
  final VoidCallback onAccept;
  final VoidCallback onHangup;

  const CallScreen({
    super.key,
    required this.callId,
    required this.isIncoming,
    required this.callerName,
    required this.onAccept,
    required this.onHangup,
  });

  @override
  State<CallScreen> createState() => _CallScreenState();
}

class _CallScreenState extends State<CallScreen> {
  // Рендереры для видеопотока
  final RTCVideoRenderer _localRenderer = RTCVideoRenderer();
  final RTCVideoRenderer _remoteRenderer = RTCVideoRenderer();
  
  bool _isAccepted = false;

  @override
  void initState() {
    super.initState();
    _localRenderer.initialize();
    _remoteRenderer.initialize();
  }

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

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.black,
      body: Stack(
        children: [
          // Основной контент (Видео или Аватар)
          Positioned.fill(
            child: _isAccepted
                ? RTCVideoView(_remoteRenderer, objectFit: RTCVideoViewObjectFit.RTCVideoViewObjectFitCover)
                : Center(child: Text(widget.callerName, style: const TextStyle(color: Colors.white, fontSize: 24))),
          ),

          // Панель управления
          Positioned(
            bottom: 50,
            left: 0,
            right: 0,
            child: Row(
              mainAxisAlignment: MainAxisAlignment.spaceEvenly,
              children: [
                FloatingActionButton(
                  backgroundColor: Colors.red,
                  onPressed: () {
                    widget.onHangup();
                    Navigator.of(context).pop();
                  },
                  child: const Icon(Icons.call_end, color: Colors.white),
                ),
                if (widget.isIncoming && !_isAccepted)
                  FloatingActionButton(
                    backgroundColor: Colors.green,
                    onPressed: () {
                      setState(() => _isAccepted = true);
                      widget.onAccept();
                    },
                    child: const Icon(Icons.call, color: Colors.white),
                  ),
              ],
            ),
          ),
        ],
      ),
    );
  }
}