import 'package:app/config/config.dart';
import 'package:flutter/material.dart';
import 'package:agora_rtc_engine/agora_rtc_engine.dart';
import '../../request/dto/room/rtc_token_dto.dart';

/// 视频画面显示状态
enum VideoState {
  /// 正常显示视频
  normal,

  /// 摄像头关闭
  closed,

  /// 掉线 / 未连接
  offline,

  /// 加载中（进房、拉流等）
  loading,

  /// 错误状态（拉流失败等）
  error,
}

class VideoSurface extends StatelessWidget {
  final VideoState state;

  const VideoSurface({super.key, this.state = VideoState.normal});

  @override
  Widget build(BuildContext context) {
    String stateText = switch (state) {
      VideoState.closed => "摄像头已关闭",
      VideoState.offline => "掉线",
      VideoState.loading => "加载中",
      VideoState.error => "错误",
      _ => "未知",
    };
    //如果不是正常
    if (state != VideoState.normal) {
      return Align(
        child: Text(stateText, style: TextStyle(color: Colors.white70)),
      );
    }
    return Container();
  }
}