import 'package:fixnum/fixnum.dart';
import 'package:get/get.dart';
import 'package:trackoffical_app/model.dart';
import 'package:trackoffical_app/pb.dart' as pb;
import 'package:flutter/material.dart';
import 'package:trackoffical_app/utils.dart';

enum MControlPointType { nfc, gps }

class MControlPoint {
  MControlPoint(
      {this.sn = '',
      this.areaId = '',
      this.intId = Int64.ZERO,
      this.isSuccess = false});

  /// 点位顺序号
  String sn = '';

  /// 点位场地编号，如：A51
  String areaId = '';

  /// 点位ID
  Int64 intId = Int64.ZERO;
  bool isSuccess;

  /// 作为规划点打点成功
  bool isPlan=false;
  bool isNext = false;
  var type = MControlPointType.nfc;

  bool isUnchecked = true;
  Duration checkAfterStart = 0.seconds;
  Duration checkAfterPrev = 0.seconds;

  Distance checkDistanceAfterStart = 0.meter;
  Distance checkDistanceAfterPrev = 0.meter;
  Distance distanceStraightToPrev = 0.meter;
  Offset onMap = Offset.zero;
  MPosition position = MPosition();

  /// 答题ID
  int? qbId;
  bool isAnswerCorrect = false; // 答题是否正确
  int? userAnswerIndex; //用户答案序号

  Duration paceAfterPrev = Duration.zero;
  Duration paceAfterStart = Duration.zero;
  CPExtraInfo? extraInfo;

  bool get isStart => sn == snStart;

  bool get isFinish => sn == snFinish;

  String get snString {
    if (sn.isEmpty) {
      return '';
    }

    if (isStart) {
      return "开始";
    }
    if (isFinish) {
      return "结束";
    }
    return "$sn号";
  }

  set isStart(bool v) {
    if (v) {
      sn = snStart;
    }
  }

  set isFinish(bool v) {
    if (v) {
      sn = snFinish;
    }
  }

  static const snStart = 'start';
  static const snFinish = 'finish';

  Widget getSnDisplay(double height, {TextStyle? textStyle}) {
    if (isStart || isFinish) {
      var src = 'ic_bottom_bar_next_start.png';
      if (isFinish) {
        src = 'ic_bottom_bar_next_finish.png';
      }
      return Image.asset('assets/images/$src',
          height: height, fit: BoxFit.fitHeight);
    }
    return Text(sn, style: textStyle);
  }

  pb.GameSaveControlPoint toPbSave() {
    final out = pb.GameSaveControlPoint()
      ..controlPointId= intId
      ..isCheckSuccess= isSuccess
      ..checkAfterStart= checkAfterStart.toPb()
      ..distinctAfterStart= checkDistanceAfterStart.m
      ..answerCorrect= isAnswerCorrect
      ..isAnswer= userAnswerIndex!= null
    ;
    if(userAnswerIndex!= null){
      out.userAnswerIndex=userAnswerIndex!;
    }
    if(qbId!= null){
      out.userAnswerIndex=qbId!;
    }

    return out;
  }

  void updateBySimple(pb.ControlPointSimple other) {
    areaId = other.sn;
  }

  void updateBy(MControlPoint other) {
    sn = sn.isEmpty ? other.sn : sn;
    areaId = areaId.isEmpty ? other.areaId : areaId;
    extraInfo ??= other.extraInfo;
  }

  MControlPoint clone() {
    return MControlPoint()
      ..sn = sn
      ..areaId = ''
      ..intId = intId
      ..isSuccess = isSuccess
      ..isNext = isNext
      ..type = type
      ..isUnchecked = isUnchecked
      ..checkAfterStart = checkAfterStart
      ..checkAfterPrev = checkAfterPrev
      ..checkDistanceAfterStart = checkDistanceAfterStart
      ..checkDistanceAfterPrev = checkDistanceAfterPrev
      ..distanceStraightToPrev = distanceStraightToPrev
      ..onMap = onMap
      ..position = position
      ..qbId = qbId
      ..isAnswerCorrect = isAnswerCorrect
      ..userAnswerIndex = userAnswerIndex
      ..paceAfterPrev = paceAfterPrev
      ..paceAfterStart = paceAfterStart
      ..extraInfo = extraInfo;
  }
}

extension PbGameSaveControlPointExt on pb.GameSaveControlPoint {
  MControlPoint toModel() {
    final one = MControlPoint();
    one.intId = controlPointId;
    one.isSuccess = isCheckSuccess;
    one.checkAfterStart = checkAfterStart.toDuration();
    one.checkDistanceAfterStart = distinctAfterStart.meter;
    one.isAnswerCorrect = answerCorrect;
    if (hasUserAnswerIndex()) {
      one.userAnswerIndex = userAnswerIndex;
    }
    if (hasQbId()) {
      one.qbId = qbId;
    }
    return one;
  }
}

extension PbControlPointExt on pb.ControlPoint {
  MControlPoint toModel() {
    final one = MControlPoint();
    one.areaId = sn;
    one.intId = id;
    one.position = ciPosition.toModel();
    if (category == 1) {
      one.type = MControlPointType.nfc;
    }
    if (category == 2) {
      one.type = MControlPointType.gps;
    }

    if (hasInfo()) {
      if (info.hasDisplayInfo()) {
        final extraInfo = info.toModel();
        one.extraInfo = extraInfo;
        if(extraInfo is CPExtraInfoChoiceQuestion){
          one.qbId = extraInfo.qid;
        }

      }
    }

    return one;
  }
}

extension PbControlPointSimpleExt on pb.ControlPointSimple {
  MControlPoint toModel() {
    final one = MControlPoint();
    one.areaId = sn;
    one.intId = id;
    return one;
  }
}

/// 完赛后检查点
extension PbGameControlPointExt on pb.GameControlPoint {
  MControlPoint toModel() {
    final one = MControlPoint();
    one.areaId = sn;
    one.intId = id;
    if (cType == pb.CType.BeginType) {
      one.isStart = true;
    }
    if (cType == pb.CType.MiddleType) {
      if (orderNo != 0) {
        one.sn = orderNo.toString();
      }
    }
    if (cType == pb.CType.EndType) {
      one.isFinish = true;
    }
    one.isSuccess = isCheckSuccess;
    one.checkAfterPrev = checkAfterLast.toDuration();
    one.checkAfterStart = checkAfterStart.toDuration();
    one.checkDistanceAfterPrev = disAfterLast.meter;
    one.distanceStraightToPrev = disStraightAfterLast.meter;
    one.paceAfterPrev = paceAfterLast.seconds;
    one.paceAfterStart = paceAfterStart.seconds;

    return one;
  }
}

extension ControlPointInfoExt on pb.ControlPointInfo {
  CPExtraInfo toModel() {
    if (displayInfo.canUnpackInto(pb.ControlPointDisplayInfoSingleChoice())) {
      final data =
          displayInfo.unpackInto(pb.ControlPointDisplayInfoSingleChoice());
      return data.toModel();
    }

    throw UnimplementedError('${displayInfo.typeUrl}未实现');
  }
}