Sonnat/lib/core/theme/app_theme.dart

import 'package:data/app_setting_data/repository/app_setting_box_repository_impl.dart';
import 'package:flutter/material.dart';
import 'package:google_fonts/google_fonts.dart';
import 'package:local_db_core/lib/boxes/box_list/setting_box/app_setting_box.dart';
import 'package:repositories/app_setting_box_domain/repository/app_setting_box_repository.dart';

enum FontWeights {
  light,
  regular,
  medium,
  bold,
  black,
}

enum FontFamilyName {
  segoeui,
  moshaf,
  moshafAEO,
  sname,
  aar,
  aar2,
  times,
  noor,
  noorAeo,
}

extension FontFamilyNameExtension on FontFamilyName {
  String get name {
    switch (this) {
      case FontFamilyName.segoeui:
        return 'Vazir';
      case FontFamilyName.moshaf:
        return 'Moshaf';
      case FontFamilyName.moshafAEO:
        return 'MoshafAEO';
      case FontFamilyName.sname:
        return 'sname';
      case FontFamilyName.aar:
        return 'aar';
      case FontFamilyName.aar2:
        return 'aar2';
      case FontFamilyName.times:
        return 'times';
      case FontFamilyName.noor:
        return 'noor';
      case FontFamilyName.noorAeo:
        return 'noor_aeo';
    }
  }
}

class AppTheme {

  AppTheme.privateConstructor();

  static final AppTheme instance = AppTheme.privateConstructor();

  factory AppTheme() {
    return instance;
  }

  final AppSettingBoxRepository _localRepository = AppSettingBoxRepositoryImpl(appSettingBox: AppSettingBox());

  ThemeData lightThemeData = ThemeData(
    brightness: Brightness.light,
    primaryColor: Colors.teal,
    checkboxTheme: const CheckboxThemeData().copyWith(),
    colorScheme: const ColorScheme.light().copyWith(
      primary: const Color(0xFF2049EB),
      secondary: Colors.white.withOpacity(0),
    ),
    textTheme: const TextTheme(
      displayLarge: TextStyle(fontSize: 24.0, fontWeight: FontWeight.bold),
      titleLarge: TextStyle(fontSize: 16.0, fontStyle: FontStyle.italic),
      bodyMedium: TextStyle(fontSize: 12.0),
    ),
  );

  final segoeFontName = 'Vazir';

  TextStyle fontCreator(
    double fontSize,
    FontWeights fontWeights,
    fontColor, [
    FontFamilyName? fontName,
    wordSpacing,
    lineHeight,
    shadow,
  ]) {
    String languageCode = _localRepository.getCurrentLanguage() ?? 'fa';
    if (languageCode == 'ar' &&
        (fontName == null || fontName == FontFamilyName.segoeui || fontName == FontFamilyName.times)) {
      return GoogleFonts.notoSansArabic(
        color: fontColor,
        fontStyle: FontStyle.normal,
        fontWeight: fontWeights == FontWeights.light
            ? FontWeight.w300
            : fontWeights == FontWeights.regular
                ? FontWeight.w400
                : fontWeights == FontWeights.medium
                    ? FontWeight.w500
                    : fontWeights == FontWeights.bold
                        ? FontWeight.w700
                        : FontWeight.w800,
        height: (lineHeight ?? 1) * 1.4,
        wordSpacing: wordSpacing,
        fontSize: fontSize,
        shadows: shadow,
      );
    }
    return TextStyle(
      color: fontColor,
      fontStyle: FontStyle.normal,
      fontFamily: fontName?.name ?? segoeFontName,
      fontWeight: fontWeights == FontWeights.light
          ? FontWeight.w300
          : fontWeights == FontWeights.regular
              ? FontWeight.w400
              : fontWeights == FontWeights.medium
                  ? FontWeight.w500
                  : fontWeights == FontWeights.bold
                      ? FontWeight.w700
                      : FontWeight.w800,
      height: lineHeight,
      wordSpacing: wordSpacing,
      fontSize: fontSize,
      shadows: shadow,
    );
  }
}