import 'dart:async';

import 'package:bloc/bloc.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:go_router/go_router.dart';
import 'package:hadi_hoda_flutter/common_ui/resources/my_audios.dart';
import 'package:hadi_hoda_flutter/core/constants/my_constants.dart';
import 'package:hadi_hoda_flutter/core/params/level_params.dart';
import 'package:hadi_hoda_flutter/core/params/no_params.dart';
import 'package:hadi_hoda_flutter/core/routers/my_routes.dart';
import 'package:hadi_hoda_flutter/core/services/audio_service.dart';
import 'package:hadi_hoda_flutter/core/status/base_status.dart';
import 'package:hadi_hoda_flutter/core/utils/local_storage.dart';
import 'package:hadi_hoda_flutter/core/utils/my_context.dart';
import 'package:hadi_hoda_flutter/core/utils/screen_size.dart';
import 'package:hadi_hoda_flutter/core/utils/set_platform_size.dart';
import 'package:hadi_hoda_flutter/core/widgets/dialog/reward_dialog.dart';
import 'package:hadi_hoda_flutter/features/download/domain/entities/download_entity.dart';
import 'package:hadi_hoda_flutter/features/download/domain/usecases/get_last_downloaded_level.dart';
import 'package:hadi_hoda_flutter/features/download/presentation/bloc/download_bloc.dart';
import 'package:hadi_hoda_flutter/features/download/presentation/bloc/download_state.dart';
import 'package:hadi_hoda_flutter/features/level/domain/entity/level_entity.dart';
import 'package:hadi_hoda_flutter/features/level/domain/entity/level_location.dart';
import 'package:hadi_hoda_flutter/features/level/domain/entity/node_entity.dart';
import 'package:hadi_hoda_flutter/features/level/domain/entity/prize_entity.dart';
import 'package:hadi_hoda_flutter/features/level/domain/usecases/get_levels_usecase.dart';
import 'package:hadi_hoda_flutter/features/level/presentation/bloc/level_event.dart';
import 'package:hadi_hoda_flutter/features/level/presentation/bloc/level_state.dart';
import 'package:hadi_hoda_flutter/features/level/presentation/ui/widgets/node_widget.dart';

class LevelBloc extends Bloc<LevelEvent, LevelState> {
  /// ------------constructor------------
  LevelBloc(
    this._getLeveslUseCase,
    this._mainAudioService,
    this._effectAudioService,
    this._getLastDownloadedLevel,
  ) : super(const LevelState()) {
    volumeStream = _mainAudioService.volumeStream();
    playMusic();
    on<GetLevelListEvent>(_getLevelListEvent);
    on<SetCurrentLevelEvent>(_setCurrentLevelEvent);
    on<StartScrollEvent>(_startScrollEvent);
    on<ChooseLevelEvent>(_chooseLevelEvent);
  }

  @override
  Future<void> close() {
    scrollController.dispose();
    return super.close();
  }

  /// ------------UseCases------------
  final GetLevelsUseCase _getLeveslUseCase;
  final GetLastDownloadedLevel _getLastDownloadedLevel;

  /// ------------Variables------------
  final List<LevelLocation> locationListShort = [
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: -0.01.h, tablet: -0.01.h),
      left: setSize(context: MyContext.get, mobile: 0.15.w, tablet: 0.25.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.03.h, tablet: 0.075.h),
      left: setSize(context: MyContext.get, mobile: 0.28.w, tablet: 0.38.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.09.h, tablet: 0.14.h),
      left: setSize(context: MyContext.get, mobile: 0.14.w, tablet: 0.18.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.17.h, tablet: 0.24.h),
      left: setSize(context: MyContext.get, mobile: 0.18.w, tablet: 0.225.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.22.h, tablet: 0.33.h),
      left: setSize(context: MyContext.get, mobile: 0.36.w, tablet: 0.3.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.245.h, tablet: 0.4.h),
      left: setSize(context: MyContext.get, mobile: 0.54.w, tablet: 0.55.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.305.h, tablet: 0.45.h),
      left: setSize(context: MyContext.get, mobile: 0.64.w, tablet: 0.75.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.38.h, tablet: 0.68.h),
      left: setSize(context: MyContext.get, mobile: 0.61.w, tablet: 0.735.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.455.h, tablet: 0.8.h),
      left: setSize(context: MyContext.get, mobile: 0.575.w, tablet: 0.68.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.53.h, tablet: .951.h),
      left: setSize(context: MyContext.get, mobile: 0.575.w, tablet: 0.64.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.6.h , tablet: 1.01.h),
      left: setSize(context: MyContext.get, mobile: 0.5.w, tablet: 0.27.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.6185.h, tablet: 1.05.h),
      left: setSize(context: MyContext.get, mobile: 0.33.w, tablet: 0.08.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.646.h, tablet: 1.17.h),
      left: setSize(context: MyContext.get, mobile: 0.143.w, tablet: 0.09.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.69.h, tablet: 1.22.h),
      left: setSize(context: MyContext.get, mobile: 0, tablet: 0.34.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.74.h, tablet: 1.25.h),
      left: setSize(context: MyContext.get, mobile: 0.07.w, tablet: 0.53.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.759.h, tablet: 1.37.h),
      left: setSize(context: MyContext.get, mobile: 0.21.w, tablet: 0.635.w),
    ),
    //////
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.776.h, tablet: 1.43.h),
      left: setSize(context: MyContext.get, mobile: 0.345.w, tablet: 0.545.w),
    ),
    /////
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.808.h, tablet: 1.52.h),
      left: setSize(context: MyContext.get, mobile: 0.475.w, tablet: 0.55.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.885.h, tablet: 1.62.h),
      left: setSize(context: MyContext.get, mobile: 0.465.w, tablet: 0.46.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.95.h, tablet: 1.636.h),
      left: setSize(context: MyContext.get, mobile: 0.47.w, tablet: 0.3.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.02.h, tablet: 1.62.h),
      left: setSize(context: MyContext.get, mobile: 0.45.w, tablet: 0.11.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.042.h, tablet: 1.7.h),
      left: setSize(context: MyContext.get, mobile: 0.2.w, tablet: 0.0.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.1.h, tablet: 1.858.h),
      left: setSize(context: MyContext.get, mobile: 0, tablet: 0.0.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.19.h, tablet: 1.89.h),
      left: setSize(context: MyContext.get, mobile: 0, tablet: 0.19.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.23.h, tablet: 1.98.h),
      left: setSize(context: MyContext.get, mobile: 0.23.w, tablet: 0.3.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.31.h, tablet: 2.08.h),
      left: setSize(context: MyContext.get, mobile: 0.2.w, tablet: 0.215.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.36.h, tablet: 2.15.h),
      left: setSize(context: MyContext.get, mobile: 0.09.w, tablet: 0.11.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.425.h, tablet: 2.23.h),
      left: setSize(context: MyContext.get, mobile: 0.09.w, tablet: 0.1.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.48.h, tablet: 2.29.h),
      left: setSize(context: MyContext.get, mobile: 0.184.w, tablet: 0.17.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.535.h, tablet: 2.36.h),
      left: setSize(context: MyContext.get, mobile: 0.22.w, tablet: 0.225.w),
    ),

  ];

  final List<LevelLocation> locationListLong = [
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: -0.03.h, tablet: -0.03.h),
      left: setSize(context: MyContext.get, mobile: 0.1.w, tablet: 0.2.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.013.h, tablet: 0.075.h),
      left: setSize(context: MyContext.get, mobile: 0.23.w, tablet: 0.38.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.08.h, tablet: 0.14.h),
      left: setSize(context: MyContext.get, mobile: 0.19.w, tablet: 0.18.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.145.h, tablet: 0.24.h),
      left: setSize(context: MyContext.get, mobile: 0.15.w, tablet: 0.225.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.2.h, tablet: 0.33.h),
      left: setSize(context: MyContext.get, mobile: 0.255.w, tablet: 0.3.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.237.h, tablet: 0.4.h),
      left: setSize(context: MyContext.get, mobile: 0.4.w, tablet: 0.55.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.258.h, tablet: 0.45.h),
      left: setSize(context: MyContext.get, mobile: 0.56.w, tablet: 0.75.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.31.h, tablet: 0.55.h),
      left: setSize(context: MyContext.get, mobile: 0.66.w, tablet: 0.799.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.38.h, tablet: 0.65.h),
      left: setSize(context: MyContext.get, mobile: 0.659.w, tablet: 0.733.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.45.h, tablet: 0.78.h),
      left: setSize(context: MyContext.get, mobile: 0.59.w, tablet: 0.69.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.52.h, tablet: 0.89.h),
      left: setSize(context: MyContext.get, mobile: 0.59.w, tablet: 0.7.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.592.h, tablet: .987.h),
      left: setSize(context: MyContext.get, mobile: 0.56.w, tablet: 0.5.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.61.h, tablet: 1.03.h),
      left: setSize(context: MyContext.get, mobile: 0.4.w, tablet: 0.18.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.63.h, tablet: 1.19.h),
      left: setSize(context: MyContext.get, mobile: 0.24.w, tablet: 0.22.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.655.h, tablet: 1.19.h),
      left: setSize(context: MyContext.get, mobile: 0.10.w, tablet: 0.22.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.71.h, tablet: 1.25.h),
      left: setSize(context: MyContext.get, mobile: 0.009.w, tablet: 0.53.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.75.h, tablet: 1.33.h),
      left: setSize(context: MyContext.get, mobile: 0.15.w, tablet: 0.62.w),
    ),
    //////
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.77.h, tablet: 1.43.h),
      left: setSize(context: MyContext.get, mobile: 0.31.w, tablet: 0.545.w),
    ),
    /////
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.792.h, tablet: 1.52.h),
      left: setSize(context: MyContext.get, mobile: 0.46.w, tablet: 0.55.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.905.h, tablet: 1.62.h),
      left: setSize(context: MyContext.get, mobile: 0.465.w, tablet: 0.46.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.85.h, tablet: 1.62.h),
      left: setSize(context: MyContext.get, mobile: 0.525.w, tablet: 0.46.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.975.h, tablet: 1.636.h),
      left: setSize(context: MyContext.get, mobile: 0.48.w, tablet: 0.3.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.02.h, tablet: 1.62.h),
      left: setSize(context: MyContext.get, mobile: 0.4.w, tablet: 0.11.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.02.h, tablet: 1.7.h),
      left: setSize(context: MyContext.get, mobile: 0.25.w, tablet: 0.0.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.02.h, tablet: 1.7.h),
      left: setSize(context: MyContext.get, mobile: 0.105.w, tablet: 0.0.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.03.h, tablet: 1.825.h),
      left: setSize(context: MyContext.get, mobile: -0.05.w, tablet: 0.0.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.087.h, tablet: 1.88.h),
      left: setSize(context: MyContext.get, mobile: 0.01.w, tablet: 0.125.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.15.h, tablet: 1.88.h),
      left: setSize(context: MyContext.get, mobile: -0.03.w, tablet: 0.125.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.19.h, tablet: 1.97.h),
      left: setSize(context: MyContext.get, mobile: 0.1.w, tablet: 0.289.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.23.h, tablet: 2.10.h),
      left: setSize(context: MyContext.get, mobile: 0.23.w, tablet: 0.21.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.3.h, tablet: 2.169.h),
      left: setSize(context: MyContext.get, mobile: 0.2.w, tablet: 0.1.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.355.h, tablet: 2.25.h),
      left: setSize(context: MyContext.get, mobile: 0.1.w, tablet: 0.1.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.424.h, tablet: 2.34.h),
      left: setSize(context: MyContext.get, mobile: 0.077.w, tablet: 0.225.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.47.h, tablet: 2.34.h),
      left: setSize(context: MyContext.get, mobile: 0.18.w, tablet: 0.225.w),
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.533.h, tablet: 2.34.h),
      left: setSize(context: MyContext.get, mobile: 0.225.w, tablet: 0.225.w),
    ),
    // LevelLocation(
    //   bottom: setSize(context: MyContext.get, mobile: 1.5.h, tablet: 2.8.h),
    //   left: setSize(context: MyContext.get, mobile: 0.2.w, tablet: 0.15.w),
    //
    // ),
  ];

  final List<NodeEntity> nodeList = [];

  late final Stream<double> volumeStream;

  /// ------------Controllers------------
  final ScrollController scrollController = ScrollController();
  final AudioService _mainAudioService;
  final AudioService _effectAudioService;

  /// ------------Functions------------
  Future<void> playMusic() async {
    await Future.wait([
      _mainAudioService.setAudio(assetPath: MyAudios.question),
      _mainAudioService.setLoopMode(isLoop: true),
    ]);
    await _mainAudioService.play();
  }

  void goToQuestionPage(BuildContext context, LevelEntity level) async {
    final int levelOrder = level.order ?? 0;

    final int lastDownloadedLevel =
        (await _getLastDownloadedLevel(NoParams())).data ?? 0;

    if (!context.mounted) return;

    final bool isLevelDownloaded = levelOrder <= lastDownloadedLevel;

    if (isLevelDownloaded) {
      context.pushReplacementNamed(
        Routes.questionPage,
        pathParameters: {'id': '${level.id}'},
      );
    } else {
      final maxLevelCount =
          int.tryParse(
            LocalStorage.readData(key: MyConstants.maxLevelCount) ?? '20',
          ) ??
          20;

      context.pushNamed(
        Routes.downloadPage,
        extra: DownloadPageConfig(
          downloadToLevel: maxLevelCount,
          routeParams: {'id': '${level.id}'},
          redirectTo: Routes.questionPage,
        ),
      );
    }
  }

  void goToHomePage(BuildContext context) {
    context.goNamed(Routes.homePage);
  }

  LevelType getLevelType(int index) {
    final int currentLevel = int.parse(
      LocalStorage.readData(key: MyConstants.currentLevel) ?? '1',
    );

    if (index < currentLevel) {
      return LevelType.finished;
    } else if (index == currentLevel) {
      return LevelType.current;
    } else {
      return LevelType.unFinished;
    }
  }

  bool getReward(int index) {
    final int currentLevel = int.parse(
      LocalStorage.readData(key: MyConstants.currentLevel) ?? '1',
    );

    return currentLevel > index;
  }

  Future<void> changeMute() async {
    await Future.wait([
      _mainAudioService.changeMute(),
      _effectAudioService.changeMute(),
    ]);
  }

  int get diamonds {
    final int currentLevel = int.parse(
      LocalStorage.readData(key: MyConstants.currentLevel) ?? '1',
    );
    return currentLevel - 1;
  }

  void showReward({required BuildContext context, required PrizeEntity prize}) {
    showRewardDialog(context: context, prize: prize);
  }

  /// ------------Event Calls------------
  FutureOr<void> _getLevelListEvent(
    GetLevelListEvent event,
    Emitter<LevelState> emit,
  ) async {
    final int currentLevel = int.parse(
      LocalStorage.readData(key: MyConstants.currentLevel) ?? '1',
    );
    final localResult = await _getLeveslUseCase(LevelParams());
    localResult.fold((data) async {
      nodeList
        ..clear()
        ..addAll(data);
      try {
        emit(
          state.copyWith(
            getLevelStatus: const BaseComplete(''),
            chooseLevel: data
                .firstWhere((e) => e.level?.order == currentLevel)
                .level,
          ),
        );
      } catch (e) {
        emit(
          state.copyWith(
            getLevelStatus: const BaseComplete(''),
            chooseLevel: LevelEntity(),
          ),
        );
      }
      add(StartScrollEvent());
    }, (error) {});

    if (nodeList.isNotEmpty && nodeList.last.nodeType == NodeType.comingSoon) {
      final remoteResult = await _getLeveslUseCase(
        LevelParams(forceRemote: true),
      );
      remoteResult.fold((data) {
        nodeList
          ..clear()
          ..addAll(data);
      }, (error) {});
    }
  }

  FutureOr<void> _startScrollEvent(
    StartScrollEvent event,
    Emitter<LevelState> emit,
  ) async {
    final int currentLevel = int.parse(
      LocalStorage.readData(key: MyConstants.currentLevel) ?? '1',
    );

    await Future.delayed(const Duration(seconds: 1));
    if (scrollController.hasClients) {
      if (currentLevel >= 14) {
        scrollController.animateTo(
          scrollController.position.maxScrollExtent,
          duration: const Duration(milliseconds: 500),
          // Note: 500 seconds is very long.
          curve: Curves.easeInOut,
        );
      } else if (currentLevel > 8 && currentLevel < 14) {
        scrollController.animateTo(
          scrollController.position.maxScrollExtent / 2,
          duration: const Duration(milliseconds: 500),
          // Note: 500 seconds is very long.
          curve: Curves.easeInOut,
        );
      }
    }
  }

  FutureOr<void> _setCurrentLevelEvent(
    SetCurrentLevelEvent event,
    Emitter<LevelState> emit,
  ) async {
    final String? currentLevel = LocalStorage.readData(
      key: MyConstants.currentLevel,
    );
    if (currentLevel == null || currentLevel.isEmpty) {
      await LocalStorage.saveData(key: MyConstants.currentLevel, value: '1');
    }
    add(GetLevelListEvent());
  }

  FutureOr<void> _chooseLevelEvent(
    ChooseLevelEvent event,
    Emitter<LevelState> emit,
  ) {
    if (event.type != LevelType.unFinished) {
      emit(state.copyWith(chooseLevel: event.level));
    }
  }
}