immich/mobile-v2/lib/presentation/modules/theme/widgets/app_theme_builder.widget.dart

import 'package:dynamic_color/dynamic_color.dart';
import 'package:flutter/material.dart';
import 'package:immich_mobile/presentation/modules/theme/models/app_theme.model.dart';

class AppThemeBuilder extends StatelessWidget {
  const AppThemeBuilder({
    super.key,
    required this.theme,
    required this.builder,
  });

  /// Current app theme to switch the theme data used
  final AppTheme theme;

  /// Builds the child widget of this widget, providing a light and dark [ThemeData] based on the
  /// [theme] passed.
  final Widget Function(
    BuildContext context,
    ThemeData lightTheme,
    ThemeData darkTheme,
  ) builder;

  @override
  Widget build(BuildContext context) {
    // Static colors
    if (theme != AppTheme.dynamic) {
      final lightTheme = AppTheme.generateThemeData(theme.lightSchema);
      final darkTheme = AppTheme.generateThemeData(theme.darkSchema);

      return builder(context, lightTheme, darkTheme);
    }

    // Dynamic color builder
    return DynamicColorBuilder(builder: (lightDynamic, darkDynamic) {
      final lightTheme =
          AppTheme.generateThemeData(lightDynamic ?? theme.lightSchema);
      final darkTheme =
          AppTheme.generateThemeData(darkDynamic ?? theme.darkSchema);

      return builder(context, lightTheme, darkTheme);
    });
  }
}