import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:skripsi_getit/data/model/movie.dart';
import 'package:skripsi_getit/data/state/movie_state.dart';
import 'package:skripsi_getit/services/repository/movie_repository.dart';

class PopularMovieCubit extends Cubit<MovieState> {
  final MovieRepository movieRepository;

  PopularMovieCubit(this.movieRepository) : super(MovieState());

  int currentPage = 1;

  Future<void> fetchPopularMovies() async {
    if (state.isLoading || !state.hasMoreData) return;

    emit(state.copyWith(isLoading: true));

    try {
      final newMovies = await movieRepository.fetchPopularMovies(
        page: currentPage,
      );

      final updatedMovies = List<Results>.from(state.movies)
        ..addAll(newMovies.results!);

      emit(
        state.copyWith(
          isLoading: false,
          movies: updatedMovies,
          hasMoreData: newMovies.results!.length >= 10,
        ),
      );

      currentPage++;
    } catch (error) {
      emit(state.copyWith(isLoading: false, errorMessage: error.toString()));
    }
  }

  Future<void> fetchWithForLoop(int count) async {
    for (int i = 0; i < count; i++) {
      await fetchPopularMovies();
    }
  }

  Future<void> fetchWithWhileLoop(int count) async {
    int i = 0;
    while (i < count) {
      await fetchPopularMovies();
      i++;
    }
  }

  Future<void> fetchWithDoWhileLoop(int count) async {
    int i = 0;
    do {
      await fetchPopularMovies();
      i++;
    } while (i < count);
  }

  Future<void> fetchPopularMoviesInBulk(int movieCount) async {
    final stopWatch = Stopwatch()..start();

    currentPage = 1; // reset current page
    emit(
      MovieState(isLoading: true, movies: [], hasMoreData: true),
    ); // reset state

    try {
      List<Results> allMovies = [];

      int page = 1;
      while (allMovies.length < movieCount) {
        final movie = await movieRepository.fetchPopularMovies(page: page);
        if (movie.results == null || movie.results!.isEmpty) break;

        allMovies.addAll(movie.results!);
        page++;
      }

      emit(
        state.copyWith(
          isLoading: false,
          movies: allMovies.take(movieCount).toList(),
          hasMoreData: false,
        ),
      );
      stopWatch.stop();
      print(
        '${movieCount.toString()} completed in ${stopWatch.elapsed.inSeconds} seconds',
      );
    } catch (e) {
      emit(state.copyWith(isLoading: false, errorMessage: e.toString()));
    }
  }

  void reset() {
    currentPage = 1;
    emit(MovieState());
  }
}