import 'dart:convert';
import 'dart:math';
import 'package:fis_common/index.dart';
import 'package:fis_common/logger/logger.dart';
import 'package:fis_i18n/i18n.dart';
import 'package:fis_measure/interfaces/process/standard_line/calibration.dart';
import 'package:fis_measure/interfaces/process/workspace/application.dart';
import 'package:fis_measure/process/language/measure_language.dart';
import 'package:fis_measure/process/visual/visual.dart';
import 'package:fis_measure/process/workspace/third_part/application.dart';
import 'package:fis_measure/process/workspace/third_part/calibration_controller.dart';
import 'package:fis_measure/process/workspace/visual_loader.dart';
import 'package:fis_measure/values/unit_desc.dart';
import 'package:fis_measure/view/paint/ai_patint_controller.dart';
import 'package:fis_measure/view/paint/date_structure.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:vid/us/vid_us_unit.dart';

/// AI诊断结果
class ResultInfo extends StatefulWidget {
  const ResultInfo(this.aiDetectedObject, {Key? key}) : super(key: key);

  final List<AIDetectedObject>? aiDetectedObject;
  @override
  State<ResultInfo> createState() => _ResultInfoState();
}

class _ResultInfoState extends State<ResultInfo> {
  late final aiPatintController = Get.find<AiPatintController>();
  IStandardLineCalibrationController? standardLineCalibrationController;
  bool _isEmptyAITitle = false;

  /// 测量语言包
  final measureLanguage = MeasureLanguage();
  late AIDetectedObject aiDetectedObjectItem;
  double _unitsPhysicalPixels = 0;
  late final application = Get.find<IApplication>();
  // 图像的物理单位
  String _xUnit = '';
  @override
  void initState() {
    _updateImagePhysicalSize();
    try {
      if (application.isThirdPart) {
        final standradLine = (application as ThirdPartApplication).standardLine;
        standardLineCalibrationController =
            StandardLineCalibrationController(application, standradLine);
        Get.put<IStandardLineCalibrationController>(
            standardLineCalibrationController!);
        if (standardLineCalibrationController != null) {
          standardLineCalibrationController!.editStateChanged
              .addListener(onStandardLineUpdated);
        }
      }
    } catch (e) {
      logger.e('standardLineCalibrationController cannot find ', e);
    }
    super.initState();
  }

  @override
  void didUpdateWidget(ResultInfo oldWidget) {
    _updateImagePhysicalSize();
    super.didUpdateWidget(oldWidget);
  }

  @override
  void dispose() {
    if (standardLineCalibrationController != null) {
      standardLineCalibrationController!.editStateChanged
          .removeListener(onStandardLineUpdated);
    }
    super.dispose();
  }

  void onStandardLineUpdated(_, e) {
    _updateImagePhysicalSize();
  }

  @override
  Widget build(BuildContext context) {
    _isEmptyAITitle = ![
      DiagnosisOrganEnum.Breast,
      DiagnosisOrganEnum.Liver,
      DiagnosisOrganEnum.Thyroid,
      DiagnosisOrganEnum.CarotidArtery
    ].contains(aiPatintController.diagnosisOrgan);
    if (_isEmptyAITitle) {
      return const SizedBox();
    }
    if (_unitsPhysicalPixels <= 0) {
      _updateImagePhysicalSize();
    }
    final description = widget
        .aiDetectedObject?[aiPatintController.state.aiResultIndex].descriptions;
    var lesionSizeDescription = description?.firstWhereOrNull(
        (element) => element.type == DiagnosisDescriptionEnum.LesionSize);
    var lesionSize = lesionSizeDescription?.value ?? '';
    late final lesionSizeMap =
        (description?.length ?? 0) > 1 ? jsonDecode(lesionSize) : '';
    return Container(
      decoration: BoxDecoration(
        border: Border.all(
          color: Colors.grey,
        ),
        borderRadius: BorderRadius.circular(4),
        color: Colors.transparent,
      ),
      child: Column(
        children: [
          Row(
            mainAxisSize: MainAxisSize.max,
            children: [
              Expanded(
                child: Container(
                  decoration: const BoxDecoration(
                    borderRadius: BorderRadius.only(
                      topLeft: Radius.circular(4),
                      topRight: Radius.circular(4),
                    ),
                    color: Color.fromRGBO(54, 169, 206, 1),
                  ),
                  padding: const EdgeInsets.only(
                    top: 4,
                    bottom: 4,
                    left: 8,
                    right: 8,
                  ),
                  child: Text(
                    i18nBook.measure.aiDiagnosticResults.t,
                    style: const TextStyle(
                      color: Colors.white,
                    ),
                  ),
                ),
              )
            ],
          ),
          Row(
            mainAxisAlignment: MainAxisAlignment.spaceBetween,
            children: [
              Expanded(
                child: Container(
                  padding: const EdgeInsets.only(
                    left: 10,
                  ),
                  child: Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    mainAxisAlignment: MainAxisAlignment.start,
                    children: [
                      _buildTitle(
                        i18nBook.measure.analysisConclusion.t,
                        _buildAITitle(),
                      ),
                      if (lesionSizeMap != '' && lesionSizeMap != null)
                        _buildTitle(
                          i18nBook.measure.isLesionSize.t,
                          _buildLesionSize(
                            lesionSizeMap?['HorizontalLengthInPixel'] ?? 0,
                            lesionSizeMap?['VerticalLengthInPixel'] ?? 0,
                            _unitsPhysicalPixels,
                          ),
                        )
                    ],
                  ),
                ),
              ),
              Container(
                margin: const EdgeInsets.symmetric(
                  vertical: 5,
                ),
                padding: const EdgeInsets.only(right: 8),
                child: Column(
                  children: [
                    Text(
                      i18nBook.measure.possibility.t,
                      style: const TextStyle(
                        color: Colors.grey,
                      ),
                    ),
                    const SizedBox(
                      height: 8,
                    ),
                    SizedBox(
                      width: 70,
                      height: 70,
                      child: Stack(
                        children: [
                          SizedBox(
                            width: 70,
                            height: 70,
                            child: Obx(() {
                              final aiDetected = widget.aiDetectedObject?[
                                  aiPatintController.state.aiResultIndex];
                              return CircularProgressIndicator(
                                valueColor: AlwaysStoppedAnimation(
                                  _buildAITextColor(
                                    aiDetected?.label ?? 0,
                                  ),
                                ),
                                backgroundColor: Colors.grey,
                                value: aiDetected?.confidence,
                              );
                            }),
                          ),
                          Center(
                            child: SizedBox(
                              width: 65,
                              height: 45,
                              child: Obx(
                                () {
                                  final confidence = widget
                                      .aiDetectedObject?[aiPatintController
                                          .state.aiResultIndex]
                                      .confidence;
                                  return Center(
                                    child: Text(
                                      '${((confidence ?? 0) * 100).toStringAsFixed(1)}%',
                                      style: const TextStyle(
                                        color: Colors.white,
                                        fontSize: 18,
                                        fontWeight: FontWeight.bold,
                                      ),
                                    ),
                                  );
                                },
                              ),
                            ),
                          ),
                        ],
                      ),
                    ),
                  ],
                ),
              ),
            ],
          ),
        ],
      ),
    );
  }

  Widget _buildLesionSize(
    int horizontalLengthInPixel,
    int verticalLengthInPixel,
    double unitsPhysicalPixels,
  ) {
    return Text(
      (horizontalLengthInPixel * unitsPhysicalPixels)
              .toStringAsFixed(2)
              .toString() +
          '$_xUnit x' +
          (verticalLengthInPixel * unitsPhysicalPixels)
              .toStringAsFixed(2)
              .toString() +
          _xUnit,
      style: const TextStyle(color: Colors.white),
    );
  }

  /// 更新图像物理尺度信息
  void _updateImagePhysicalSize() {
    if (application.visuals.isEmpty) {
      return;
    }
    if (application.visuals[0].visualAreas.isEmpty) {
      return;
    }
    _unitsPhysicalPixels =
        (application.visuals[0].visualAreas[0].viewport?.region.width)! /
            (application.frameData!.width).toDouble();
    VidUsUnit targetUnit =
        application.visuals[0].visualAreas[0].viewport?.xUnit ?? VidUsUnit.cm;
    _xUnit = UnitDescriptionMap.getDesc(targetUnit);
  }

  Widget _buildTitle(String label, Widget value) {
    return Column(
      mainAxisSize: MainAxisSize.max,
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        Text(
          label,
          style: const TextStyle(
            color: Color.fromRGBO(54, 169, 206, 1),
          ),
        ),
        value,
        const SizedBox(
          height: 5,
        ),
      ],
    );
  }

  Color _buildAITextColor(int label) {
    switch (aiPatintController.diagnosisOrgan) {
      /// 乳腺是0：未见异常; 1、2、3良性; 4、5、6、7恶性;
      case DiagnosisOrganEnum.Breast:
        switch (label) {
          case 0:
            return Colors.lightBlue;
          case 1:
          case 2:
          case 3:
            return Colors.greenAccent;
          case 4:
          case 5:
          case 6:
          case 7:
            return Colors.redAccent;
          default:
            return Colors.lightBlue;
        }

      /// 肝脏是0：未见异常; 1、2、3、4、5、6、7、8良性;
      case DiagnosisOrganEnum.Liver:
        switch (label) {
          case 0:
            return Colors.lightBlue;
          case 4:
            return Colors.redAccent;
          case 1:
          case 2:
          case 3:
          case 5:
          case 6:
          case 7:
          case 8:
            return Colors.greenAccent;
          default:
            return Colors.lightBlue;
        }

      /// 甲状腺是0：未见异常; 1、2、3、4、5、6、7、8良性;
      case DiagnosisOrganEnum.Thyroid:
        switch (label) {
          case 0:
            return Colors.lightBlue;
          case 1:
          case 2:

          case 7:
            return Colors.greenAccent;
          case 3:
          case 4:
          case 5:
          case 6:
            return Colors.redAccent;
          default:
            return Colors.lightBlue;
        }
      default:
        return Colors.lightBlue;
    }
  }

  Widget _buildAITitle() {
    switch (aiPatintController.diagnosisOrgan) {
      case DiagnosisOrganEnum.Breast:
        return Obx(() {
          aiDetectedObjectItem = widget
                  .aiDetectedObject?[aiPatintController.state.aiResultIndex] ??
              AIDetectedObject();
          return _buildBreastDescription(aiDetectedObjectItem.label);
        });

      case DiagnosisOrganEnum.Liver:
        return Obx(() {
          aiDetectedObjectItem = widget
                  .aiDetectedObject?[aiPatintController.state.aiResultIndex] ??
              AIDetectedObject();

          return _buildLiverDescription(aiDetectedObjectItem.label);
        });
      case DiagnosisOrganEnum.Thyroid:
        return Obx(() {
          aiDetectedObjectItem = widget
                  .aiDetectedObject?[aiPatintController.state.aiResultIndex] ??
              AIDetectedObject();
          return _buildThyroidDescription(aiDetectedObjectItem.label);
        });
      case DiagnosisOrganEnum.CarotidArtery:
        return Obx(() {
          aiDetectedObjectItem = widget
                  .aiDetectedObject?[aiPatintController.state.aiResultIndex] ??
              AIDetectedObject();
          return _buildCarotidArteryDescription(aiDetectedObjectItem.label);
        });
      default:
        return const SizedBox();
    }
  }

  Widget _buildBreastDescription(int label) {
    switch (label) {
      case 0:
        return _buildDescription(
            i18nBook.measure.noSignificantAbnormalitiesWereSeen.t);
      case 1:
        return _buildDescription(i18nBook.measure.lipoma.t);
      case 2:
        return _buildDescription('BI-RADS 2');
      case 3:
        return _buildDescription('BI-RADS 3');
      case 4:
        return _buildDescription('BI-RADS 4a');
      case 5:
        return _buildDescription('BI-RADS 4b');
      case 6:
        return _buildDescription('BI-RADS 4c');
      case 7:
        return _buildDescription('BI-RADS 5');
      case 8:
        return _buildDescription(
            i18nBook.measure.noSignificantAbnormalitiesWereSeen.t);
      default:
        return _buildDescription(null);
    }
  }

  Widget _buildLiverDescription(int label) {
    switch (label) {
      case 0:
        return _buildDescription(
            i18nBook.measure.noSignificantAbnormalitiesWereSeen.t);
      case 1:
        return _buildDescription(i18nBook.measure.intrahepaticStrongEchoFoci.t);
      case 2:
        return _buildDescription(i18nBook.measure.hepaticHemangioma.t);
      case 3:
        return _buildDescription(i18nBook.measure.liverCysts.t);
      case 4:
        return _buildDescription(i18nBook.measure.liverCancerMayOccur.t);
      case 5:
        return _buildDescription(i18nBook.measure.fattyLiver.t);
      case 6:
        return _buildDescription(
            i18nBook.measure.panisodicChangesLiverDiffuseLesions.t);
      case 7:
        return _buildDescription(i18nBook.measure.cirrhosis.t);
      case 8:
        return _buildDescription(i18nBook.measure.polycysticLiver.t);
      default:
        return _buildDescription(null);
    }
  }

  Widget _buildThyroidDescription(int label) {
    switch (label) {
      case 0:
        return _buildDescription(
            i18nBook.measure.noSignificantAbnormalitiesWereSeen.t);
      case 1:
        return _buildDescription(measureLanguage.t('ai', "TIRADS2"));
      case 2:
        return _buildDescription(measureLanguage.t('ai', "TIRADS3"));
      case 3:
        return _buildDescription(measureLanguage.t('ai', "TIRADS4a"));
      case 4:
        return _buildDescription(measureLanguage.t('ai', "TIRADS4b"));
      case 5:
        return _buildDescription(measureLanguage.t('ai', "TIRADS4c"));
      case 6:
        return _buildDescription(measureLanguage.t('ai', "TIRADS5"));
      case 7:
        return _buildDescription(i18nBook.measure.presenceDiffuseDisease.t);
      default:
        return _buildDescription(null);
    }
  }

  Widget _buildDescription(
    String? title,
  ) {
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        if (title != null) ...[
          const SizedBox(
            height: 5,
          ),
          Text(
            title,
            style: const TextStyle(color: Colors.white),
          ),
        ],
      ],
    );
  }

  Widget _buildCarotidArteryDescription(int label) {
    switch (label) {
      case 0:
        return _buildDescription(
            i18nBook.measure.noSignificantAbnormalitiesWereSeen.t);
      case 1:
        return _buildDescription(i18nBook.measure.patch.t);
      default:
        return _buildDescription(null);
    }
  }
}