import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:flutter/material.dart';
import 'theme_state.dart';
import 'package:kmobile/config/theme_type.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:kmobile/config/themes.dart';

class ThemeCubit extends Cubit<ThemeState> {
  ThemeCubit()
      : super(ThemeState(
          lightTheme: AppThemes.getLightTheme(ThemeType.violet),
          themeMode: ThemeMode.light,
          themeType: ThemeType.violet,
        )) {
    loadTheme();
  }

  Future<void> loadTheme() async {
    final prefs = await SharedPreferences.getInstance();
    final themeIndex = prefs.getInt('theme_type') ?? 0;
    final isDark = prefs.getBool('is_dark_mode') ?? false;

    final type = ThemeType.values[themeIndex];
    emit(state.copyWith(
      lightTheme: AppThemes.getLightTheme(type),
      themeMode: isDark ? ThemeMode.dark : ThemeMode.light,
      themeType: type,
    ));
  }

  Future<void> changeTheme(ThemeType type) async {
    final prefs = await SharedPreferences.getInstance();
    await prefs.setInt('theme_type', type.index);

    emit(state.copyWith(
      lightTheme: AppThemes.getLightTheme(type),
      themeType: type,
    ));
  }

  Future<void> toggleDarkMode(bool isDark) async {
    final prefs = await SharedPreferences.getInstance();
    await prefs.setBool('is_dark_mode', isDark);

    emit(state.copyWith(
      themeMode: isDark ? ThemeMode.dark : ThemeMode.light,
    ));
  }
}