import 'package:fis_jsonrpc/rpc.dart';
import 'package:fis_measure/view/paint/ai_patint_controller.dart';
import 'package:fis_measure/view/paint/parts/ai_result.dart';
import 'package:fis_measure/view/player/controller.dart';
import 'package:fis_measure/view/player/enums.dart';
import 'package:fis_measure/view/player/events.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';

class AIPaintInfoReslut extends StatefulWidget {
  /// 播放器控制器
  final VidPlayerController controller;
  final double? width;
  final double? height;

  const AIPaintInfoReslut(
    this.controller, {
    Key? key,
    this.width,
    this.height,
  }) : super(key: key);

  @override
  State<AIPaintInfoReslut> createState() => _AIPaintInfoState();
}

class _AIPaintInfoState extends State<AIPaintInfoReslut> {
  late final aiPatintController = Get.put(
    AiPatintController(
      widget.controller,
    ),
  );
  late bool isShowAiResult;

  void onControllerEvent(Object sender, VidPlayerEvent e) {
    if (e is VidPlayerStatusChangeEvent) {
      if (!widget.controller.hasView) {
        setState(() {});
      }
    }
    if (e is VidPlayerFrameIndexChangeEvent) {
      onFrameChanged(e);
    }
    if (e is VidPlayerBrightnessChangeEvent) {
      updateFrame();
    }
    if (e is VidPlayerContrastChangeEvent) {
      updateFrame();
    }
  }

  void onFrameChanged(VidPlayerFrameIndexChangeEvent e) {
    setState(() {
      aiPatintController.state.frameIndex = e.index;
    });
  }

  void updateFrame() {
    setState(() {});
  }

  @override
  void initState() {
    //监听Widget是否绘制完毕
    super.initState();
    widget.controller.eventHandler.addListener(onControllerEvent);
  }

  @override
  void dispose() {
    widget.controller.eventHandler.removeListener(onControllerEvent);
    super.dispose();
  }

  @override
  void didUpdateWidget(covariant AIPaintInfoReslut oldWidget) {
    if (oldWidget.controller != widget.controller) {
      throw UnsupportedError("[VidTestPlayer] unsupport replace controller.");
    }
    super.didUpdateWidget(oldWidget);
  }

  @override
  Widget build(BuildContext context) {
    Widget? child;
    if (widget.controller.status == VidPlayStatus.pause) {
      child = LayoutBuilder(builder: (context, constraints) {
        final canvasWidth = constraints.maxWidth;
        late final frameDataWidth =
            aiPatintController.application.frameData?.width;
        late final widthScale = (canvasWidth / frameDataWidth!);
        try {
          isShowAiResult = aiPatintController.onGetAIResultsInfo(widthScale);
        } catch (e) {
          isShowAiResult = true;
        }
        if (!isShowAiResult) {
          return const SizedBox();
        } else {
          if (isShowAiResult &&
              aiPatintController.diagnosisOrgan != DiagnosisOrganEnum.Null) {
            return AIResultPanel(
              aiPatintController.aiDetectedObject,
              aiPatintController.diagnosisOrgan,
            );
          } else {
            return Container();
          }
        }
      });
    } else {
      child = Container();
    }

    return buildBox(context, child);
  }

  Widget buildBox(BuildContext context, Widget child) {
    return Container(
      child: child,
    );
  }
}