import 'dart:async';

import 'package:bloc/bloc.dart';
import 'package:flutter/cupertino.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/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/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/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/level_widget.dart';

class LevelBloc extends Bloc<LevelEvent, LevelState> {
  /// ------------constructor------------
  LevelBloc(
      this._getLeveslUseCase,
      this._mainAudioService,
      this._effectAudioService,
      ) : 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;

  /// ------------Variables------------
  final List<LevelLocation> locationList = [
    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),
      index: 0,
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.03.h, tablet: 0.1.h),
      left: setSize(context: MyContext.get, mobile: 0.28.w, tablet: 0.4.w),
      index: 1,
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.1.h, tablet: 0.21.h),
      left: setSize(context: MyContext.get, mobile: 0.14.w, tablet: 0.2.w),
      index: 2,
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.2.h, tablet: 0.38.h),
      left: setSize(context: MyContext.get, mobile: 0.3.w, tablet: 0.3.w),
      index: 3,
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.24.h, tablet: 0.47.h),
      left: setSize(context: MyContext.get, mobile: 0.5.w, tablet: 0.5.w),
      index: 4,
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.33.h, tablet: 0.55.h),
      left: setSize(context: MyContext.get, mobile: 0.65.w, tablet: 0.8.w),
      index: 5,
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.45.h, tablet: 0.8.h),
      left: setSize(context: MyContext.get, mobile: 0.57.w, tablet: 0.8.w),
      index: 6,
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.55.h, tablet: 1.1.h),
      left: setSize(context: MyContext.get, mobile: 0.57.w, tablet: 0.77.w),
      index: 7,
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.6.h, tablet: 1.2.h),
      left: setSize(context: MyContext.get, mobile: 0.4.w, tablet: 0.65.w),
      index: 8,
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.63.h, tablet: 1.25.h),
      left: setSize(context: MyContext.get, mobile: 0.2.w, tablet: 0.3.w),
      index: 9,
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.7.h, tablet: 1.38.h),
      left: setSize(context: MyContext.get, mobile: 0, tablet: 0.04.w),
      index: 10,
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.75.h, tablet: 1.46.h),
      left: setSize(context: MyContext.get, mobile: 0.15.w, tablet: 0.22.w),
      index: 11,
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.78.h, tablet: 1.52.h),
      left: setSize(context: MyContext.get, mobile: 0.4.w, tablet: 0.45.w),
      index: 12,
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.85.h, tablet: 1.68.h),
      left: setSize(context: MyContext.get, mobile: 0.5.w, tablet: 0.68.w),
      index: 13,
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 0.94.h, tablet: 1.8.h),
      left: setSize(context: MyContext.get, mobile: 0.45.w, tablet: 0.6.w),
      index: 14,
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.02.h, tablet: 1.95.h),
      left: setSize(context: MyContext.get, mobile: 0.45.w, tablet: 0.6.w),
      index: 15,
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.02.h, tablet: 2.01.h),
      left: setSize(context: MyContext.get, mobile: 0.2.w, tablet: 0.4.w),
      index: 16,
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.02.h, tablet: 2.0.h),
      left: setSize(context: MyContext.get, mobile: 0, tablet: 0.1.w),
      index: 17,
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.1.h, tablet: 2.17.h),
      left: setSize(context: MyContext.get, mobile: 0, tablet: 0.04.w),
      index: 18,
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.2.h, tablet: 2.32.h),
      left: setSize(context: MyContext.get, mobile: 0.05.w, tablet: 0.1.w),
      index: 19,
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.23.h, tablet: 2.35.h),
      left: setSize(context: MyContext.get, mobile: 0.23.w, tablet: 0.25.w),
      index: 20,
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.31.h, tablet: 2.5.h),
      left: setSize(context: MyContext.get, mobile: 0.2.w, tablet: 0.33.w),
      index: 21,
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.37.h, tablet: 2.6.h),
      left: setSize(context: MyContext.get, mobile: 0.1.w, tablet: 0.2.w),
      index: 22,
    ),
    LevelLocation(
      bottom: setSize(context: MyContext.get, mobile: 1.45.h, tablet: 2.7.h),
      left: setSize(context: MyContext.get, mobile: 0.1.w, tablet: 0.1.w),
      index: 23,
    ),
    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),
      index: 24,
    ),
  ];


  final List<LevelEntity> levelList = [];

  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.setVolume(volume: MyConstants.musicAudioVolume),
      _mainAudioService.setLoopMode(isLoop: true),
    ]);
    await _mainAudioService.play();
  }

  void goToQuestionPage(BuildContext context, LevelEntity level){
    context.pushReplacementNamed(
      Routes.questionPage,
      pathParameters: {
        'id': '${level.id}',
      },
    );
  }

  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;
    }
  }

  Future<void> changeMute() async {
    await Future.wait([
      _mainAudioService.changeMute(volume: MyConstants.musicAudioVolume),
      _effectAudioService.changeMute(volume: MyConstants.effectAudioVolume),
    ]);
  }

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

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

}