import 'dart:async';
import 'dart:io';
import 'dart:math';
import 'package:get_storage/get_storage.dart';
import 'package:trackoffical_app/model/game_map.dart';
import 'package:trackoffical_app/model/game_person_data.dart';
import 'package:trackoffical_app/service/app.dart';
import 'package:trackoffical_app/service/game/game_instance.dart';
import 'package:trackoffical_app/service/game/game_instance_std/game_instance_std.dart';
import 'package:trackoffical_app/service/user_profile.dart';
import 'package:trackoffical_app/utils.dart';
import 'package:trackoffical_app/view/ingame/game_compass/game_compass_base.dart';
import 'package:nfc_manager/nfc_manager.dart';
import 'package:nfc_manager/platform_tags.dart';
import '../../../generated/assets.dart';
import '../../../logger.dart';
import '../../../widget/matrix_gesture_detector.dart';
import '../dialog/dialog_base.dart';
import '../dialog/dialog_check_rich2.dart';
import '../dialog/dialog_check_text.dart';
import '../dialog/dialog_cp_order_err.dart';
import 'route_planning.dart';
import 'dialog_finish.dart';
import 'package:screen_brightness/screen_brightness.dart';
import '../../../model/m_control_point.dart';
import '../../../widget/compass2.dart';
import '../../game_settings.dart';
import '../layer/layer_controller.dart';
export '../layer/layer.dart';
import 'package:sensor/sensor.dart' as sensor;
import 'package:vector_math/vector_math_64.dart' as vec;
import 'utils.dart';

class GameStdController extends LayerController {
  GameStdController(this.instance);

  void _listenSettings() {
    final box = GetStorage();
    cancelListen = box.listen(_updateSettings);
  }

  void _updateSettings() {
    final profile = _app.userProfile;
    isSimpleDashboard.value = profile.gameSettingsSimpleDashboard.value;
    isEnableRoutePreview.value =profile.gameSettingsRoutePreview.value;
    isEnableUserLocationState.value = isEnableUserLocation;
    gameUIMode.value = profile.gameSettingsUIMode.value;
  }

  bool get isNfcScanUseDialog {
    final platform = _app.platformInfo;
    if (platform is PlatformInfoIOS) {
      if (platform.deviceVersion >= 8) {
        return true;
      }
    }
    return false;
  }

  bool get isShowCheckCPButton {
    final next = instance.model.nextWantPoint;
    final nextPlan = instance.model.nextPlanPoint;
    return isNfcScanUseDialog ||
        next?.type == MControlPointType.gps ||
        nextPlan?.type == MControlPointType.gps;
  }

  bool get isCheckCPButtonEnable {
    final next = instance.model.nextWantPoint;
    final nextPlan = instance.model.nextPlanPoint;
    final iosEnable = isNfcScanUseDialog &&
        (next?.type == MControlPointType.nfc ||
            nextPlan?.type == MControlPointType.nfc);

    return (instance.model.isInPlanControlPointArea ||
            instance.model.isInWantControlPointArea ||
            iosEnable) &&
        isShowCheckCPButton;
  }
  /// 下个点方向弧度
  double? get nextCPRadians {
    final p0 = instance.model.myPosition;
    final p1 = instance.model.nextPlanPoint?.position;

    if(p0 == null || p1 == null){
      return null;
    }
    return instance.compassRadiansFused.value + p0.directionTo(p1);
  }
  void showMyLocation() {
    if (isEnableUserLocation) {
      final p = instance.model.myPositionOnMap;
      if (p != null) {
        final dst = mapRotateCenter.value;
        moveOnMapPointToScreen(p, dst);
      }
    }
  }

  void setRotateCenterToScreenCenter() {
    final size = mapWidgetSize.value;
    if (size != null) {
      final screenCenter = Offset(size.width / 2, size.height / 2);
      mapRotateCenter.value = screenCenter;
    }
  }

  void setRotateCenterToCompassCenter() {
    mapRotateCenter.value = compassCenter;
  }

  @override
  void onMapSizeChange(Size size) {
    super.onMapSizeChange(size);
    flushRotateCenter();
    if (!isLockScreenCenterToMyPositionSystem) {
      showNextPoint();
    }


    mapDoScale(2.3);
  }

  void flushRotateCenter() {
    if (isMapRotateAtCompassCenter.value) {
      setRotateCenterToCompassCenter();
    } else {
      setRotateCenterToScreenCenter();
    }
    if (isLockScreenCenterToMyPositionSystem) {
      showMyLocation();
    }
  }

  void mapModeSwitch() {
    switch (mapRotationMode.value) {
      case MapMode.original:
        _setMapMode(MapMode.compass);
        break;
      case MapMode.compass:
        _setMapMode(MapMode.original);
        break;
    }
  }

  void _setMapMode(MapMode mode) {
    resetMatrix();
    mapRotationMode.value = mode;
  }

  @override
  bool get isEnableUserTouchRotation {
    if (mapRotationMode.value == MapMode.compass) {
      return false;
    }
    return true;
  }

  @override
  bool get isEnableUserTouchTranslation {
    if (isLockScreenCenterToMyPositionSystem) {
      return false;
    }
    return true;
  }

  void showNextPoint() {
    final next = instance.model.nextPlanPoint;
    if (next != null) {
      moveOnMapPointToScreen(next.onMap, mapRotateCenter.value);
    }
  }

  Future<void> toSettings() async {
    await Get.to(() => const GameSettingsView(isInGame: true));
  }
  Future<void> showCheckedCP() async {
    showCheckedPoints(instance.checkedPointsHistory);
  }

  Future<void> onSwitchCompassSize() async {
    _compassSizeIndex++;
    if (_compassSizeIndex >= _compassSizeList.length) {
      _compassSizeIndex = 0;
    }

    compassDiameter.value = _compassSizeList[_compassSizeIndex];
    flushRotateCenter();
  }

  void showCompassSwitch() {
    isShowCompass.value = !isShowCompass.value;
  }

  void forceExit() {
    instance.gameGiveUp();
  }

  _playCheckSound(MControlPoint cp) async {
    if (cp.isFinish) {
      return;
    }
    await Future.delayed(200.milliseconds);
    var src = cp.isSuccess ? 'assets/sound/ok.wav' : 'assets/sound/fail.wav';
    if (!cp.isSuccess && cp.isPlan) {
      src = Assets.soundPlanOk;
    }
    if (isClosed) {
      return;
    }
    await _app.soundPlayAsset(src);
  }

  _closeExistDialog() {
    if (Get.isOverlaysOpen) {
      Get.back();
    }
  }

  void dialogRoutePlanning(){

    Get.dialog(Center(
        child: Obx((){
          final model = instance.model;

          return RoutePlanning(
              want: model.controlPointWantSequence,
              nextPlanPoint: model.nextPlanPoint,
              nextWantPoint: model.nextWantPoint,
              onClick: (point){
                model.nextPlanPoint=point;
              });
        }) ),
    );
  }
  _onChecked(MControlPoint cp) {
    _closeExistDialog();

    final isEnablePunchErrorPrompt = _app.userProfile.gameSettingsPunchErrorPrompt.value;


    final next = instance.model.nextWantPoint;
    _playCheckSound(cp);
    if (cp.isSuccess) {
      if (cp.isStart) {
        Get.dialog(DialogCheckText(
          text: '开始',
          color: Colors.white,
          autoPlayAfter: 200.milliseconds,
        ));
      } else {
        showDialogCheckRich(cp, instance.model.gameQuestionShowDuration)
            .then((value) {
          instance.save();
        });
      }
    } else {
      if (cp.isPlan) {
        Get.dialog(const DialogCheckText(
          text: '已打点',
          color: Color(0xffff870d),
        ));
      } else if (next != null) {
        if(isEnablePunchErrorPrompt){
          dialogCPOrderErr(next);
        }

      } else {
        if(isEnablePunchErrorPrompt) {
          Get.dialog(
              const DialogCheckText(text: '打点错误', color: Colors.red));
        }
      }
    }
  }

  _onProjectPoint(MControlPointInProject point) {
    _closeExistDialog();
    _playCheckSound(MControlPoint()..isSuccess = false);

    Get.dialog(dialogTitle('非线路检查点', Colors.red, const Text('请检查地图线路'),
        offAfter: 3.seconds));
  }

  _onNoPoint() {
    _closeExistDialog();
    _playCheckSound(MControlPoint()..isSuccess = false);

    Get.dialog(dialogTitle('打点错误', Colors.red, const Text('不是检查点'),
        offAfter: 3.seconds));
  }

  Future<void> _onIosNfcStart() async {
    if (!(await App.to.isNfcAvailable)) {
      Get.showSnackbar(const GetSnackBar(
        message: 'NFC不可用',
      ));
      return;
    }

    NfcManager.instance.startSession(
      alertMessage: '请靠近打卡点',
      onDiscovered: (tag) async {
        try {
          await _onNfcDiscovered(tag);
          await NfcManager.instance.stopSession(alertMessage: '打卡成功');
        } catch (e) {
          await NfcManager.instance.stopSession(errorMessage: '$e');
        }
      },
    );
  }

  Future<void> onCheckControlPoint() async {
    final next = instance.model.nextWantPoint;
    if (next != null) {
      switch (next.type) {
        case MControlPointType.nfc:
          await _onIosNfcStart();
          break;
        case MControlPointType.gps:
          await instance.checkPointGps(_onChecked, _onConfirmFinish);
          break;
      }
    }
  }

  void updateCompassRotateMap(double radians) {
    if (mapRotationMode.value == MapMode.compass) {
      setRotate(radians);
    }
  }

  void _registerNFC() {
    if (!isNfcScanUseDialog) {
      NfcManager.instance.startSession(
          onDiscovered: _onNfcDiscovered, alertMessage: '保持NFC靠近');
      info('Nfc开始扫描');
    }
  }

  Future<void> _onNfcDiscovered(NfcTag tag) async {
    info("NFC: \n ${tag.data}");
    String identifier = "";

    if (Platform.isAndroid) {
      identifier = (NfcA.from(tag)?.identifier ??
              NfcB.from(tag)?.identifier ??
              NfcF.from(tag)?.identifier ??
              NfcV.from(tag)?.identifier ??
              Uint8List(0))
          .toHexString();
    }
    if (Platform.isIOS) {
      identifier = (Iso15693.from(tag)?.identifier ??
              Iso7816.from(tag)?.identifier ??
              MiFare.from(tag)?.identifier ??
              Uint8List(0))
          .toHexString();
    }

    info('Id: $identifier');

    instance.checkPointNFC(
        identifier, _onChecked, _onConfirmFinish, _onProjectPoint, _onNoPoint);
  }

  Future<bool> _onConfirmFinish() async {
    return true;
    // return await dialogAskConfirmFinish();
  }

  void _onPositionUpdate(List<Offset> offset) {
    if (offset.isNotEmpty) {
      final p = offset.last;

      if (isLockScreenCenterToMyPositionSystem) {
        showMyLocation();
      }
    }
  }
  Future<void> _workPlayDistanceSound()async{
    while(!isClosed){
      final model = instance.model;
      final distance = model.nextPlanCPDistance;
      if(distance != null && model.endAt==null){

        var d = 5200.milliseconds;
        String? src = 'assets/sound/beep.wav';
        if(distance < 30.meter){
          d = 1200.milliseconds;
        }

        if(distance < 10.meter){
          d = 700.milliseconds;
        }


        if((model.isInPlanControlPointArea && model.nextPlanPoint?.type == MControlPointType.gps)
            || (model.isInWantControlPointArea&&  model.nextWantPoint?.type == MControlPointType.gps)){

          d = 3400.milliseconds;
          src = 'assets/sound/punch_alarm.mp3';
        }


        await _app.soundPlayAsset(src);
        await Future.delayed(d);
      }else{
        await Future.delayed(500.milliseconds);
      }
    }
  }



  @override
  void onReady() {
    super.onReady();
    _updateSettings();
    _listenSettings();
    setIsBrightnessMax(isBrightnessMax);
    _setMapMode(MapMode.compass);
    _workPlayDistanceSound();

    state.bindStream(instance.stateStream);
    settlementTip.bindStream(instance.errorMsg.stream);
    _subscriptions.add(instance.stateStream.listen((state) {
      debug('游戏状态：$state');
      if (state == GameInstanceState.closed) {
        dialogFinishResult(instance.finishData);
      }
    }));

    _subscriptions.add(instance.compassRadiansFused.listen((r) {
      updateCompassRotateMap(r);
    }));
    _subscriptions
        .add(instance.model.myPositionOnMapHistory.listen(_onPositionUpdate));

    _registerNFC();

    gameCompassController.duration.bindStream(instance.model.duration.stream);
    gameCompassController.compassRadians.bindStream(instance.compassRadiansSrc.stream);
    _subscriptions.add(instance.compassRadiansSrc.listen((p) {
      final p0 = instance.model.myPosition;
      final p1 = instance.model.nextPlanPoint?.position;

      if(p0 == null || p1 == null){
        return;
      }
      gameCompassController.nextPointRadians.value=p + p0.directionTo(p1);
    }));
    gameCompassController.heartRatePercent.bindStream(instance.model.heartRatePercent.stream);
    gameCompassController.heartRate.bindStream(instance.model.heartRate.stream);
    gameCompassController.stepCount.bindStream(instance.model.stepCount.stream);
    gameCompassController.kCal.bindStream(instance.model.kCal.stream);
    gameCompassController.ck.bindStream(instance.model.ck.stream);
    gameCompassController.ei.bindStream(instance.model.ei.stream);
  }

  @override
  void onClose() {
    super.onClose();
    for (final one in _subscriptions) {
      one.cancel();
    }
    if (!isNfcScanUseDialog) {
      NfcManager.instance.stopSession();
    }
    cancelListen?.call();
    state.close();
    settlementTip.close();
  }
  final gameCompassController = GameCompassController();
  final GameInstanceStd instance;
  final _app = App.to;

  UserProfile get _profile => _app.userProfile;
  final _subscriptions = <StreamSubscription>[];

  @override
  GameMap? get gameMap => instance.gameMapData;
  final isShowTrace = true.obs;
  final isMapRotateAtCompassCenter = false.obs;

  static const bottomBarHeight = 120.0;
  final isSimpleDashboard = true.obs;
  final isEnableRoutePreview = true.obs;
  final isEnableUserLocationState = true.obs;
  final gameUIMode = GameUIMode.electronicMap.obs;
  void Function()? cancelListen;
  var isLockScreenCenterToMyPosition = false;

  /// 用户设置是否锁定旋转中心
  bool get isLockScreenCenterToMyPositionSystem =>
      isLockScreenCenterToMyPosition && isEnableUserLocation;

  bool get isEnableUserLocation => _profile.gameSettingsShowMyLocation.value;

  set isEnableUserLocation(v) {
    _profile.gameSettingsShowMyLocation.value = v;
  }

  final compassDiameter = 160.0.obs;

  Offset get compassCenter => Offset(App.to.screenSize.width / 2,
      App.to.screenSize.height - bottomBarHeight - compassDiameter / 2);
  final mapRotationMode = MapMode.compass.obs;
  final state = GameInstanceState.uninitialized.obs;

  MNetImage get legend =>
      instance.model.gameSrcState.value.pbGameData.legendImage.toModel();

  bool get isBrightnessMax =>
      App.to.userProfile.isEnableInGameBrightnessMax.val;

  Future<void> setIsBrightnessMax(bool v) async {
    App.to.userProfile.isEnableInGameBrightnessMax.val = v;
    if (v) {
      await ScreenBrightness().setScreenBrightness(1);
    } else {
      await ScreenBrightness().resetScreenBrightness();
    }
  }

  final compassLevel = Compass2.levelMin.obs;
  var _compassSizeIndex = 0;
  final _compassSizeList = <double>[160.0, 200, 240, 280];
  final isShowCompass = true.obs;
  final isNoMapRulerScaleMode = false.obs;
  /// 是否显示下一个点的方向
  final isShowNextCPRadians = true.obs;
  final isShowRuler = false.obs;

  bool get isCheckCPButtonWarn =>
      instance.model.isInWantControlPointArea && isCheckCPButtonEnable;
  final settlementTip = '正在计算，请稍后'.obs;

  double get compassPlantRadian {
    if (mapRotationMode.value == MapMode.compass) {
      return instance.compassRadiansFused.value;
    }

    final ogRm = mapTransformMatrix.value.clone();
    double radian = MatrixGestureDetector.decomposeToValues(ogRm).rotation;
    return radian;
  }

  int get compassShowDegrees {
    var d1 = -(compassPlantRadian - instance.compassRadiansFused.value);
    if (mapRotationMode.value == MapMode.compass) {
      d1 = -compassPlantRadian;
    }
    var d = d1 * 180 ~/ pi;
    while (d < 0) {
      d += 360;
    }
    while (d > 360) {
      d -= 360;
    }
    return d;
  }
  /// 地图比例尺 1:[userSetMapScale]
  final Rx<double?> userSetMapScale = Rx(null);

  sensor.Orientation get orientation => instance.orientation.value;

  bool get isPhoneHorizontal {
    final x = vec.degrees(orientation.x);
    final y = vec.degrees(orientation.y);
    if (x.abs() > 30 || y.abs() > 30) {
      return false;
    } else {
      return true;
    }
  }

  bool get isShowPhoneHorizontalWarn =>
      (!isPhoneHorizontal) && (!instance.isPersonMoving);

  bool get isOutBoundary {
    final p = instance.model.myPositionOnMap;

    if (p != null) {
      final mapWidth = instance.gameMapData.width;
      final mapHeight = instance.gameMapData.height;

      if (p.dx <= 0 || p.dx >= mapWidth || p.dy <= 0 || p.dy >= mapHeight) {
        return true;
      }
    }
    return false;
  }

  bool get isShowOutBoundaryWarn =>
      App.to.userProfile.gameSettingsBoundaryWarn.value && isOutBoundary;
}