colorscheme.dart

import 'package:flutter/material.dart';
import 'package:freezed_annotation/freezed_annotation.dart';

part 'colorscheme.freezed.dart';
part 'colorscheme.g.dart';

@freezed
abstract class SerializableColorScheme with _$SerializableColorScheme {
  @ColorConverter()
  factory SerializableColorScheme({
    @required Color primary,
    @required Color primaryVariant,
    @required Color secondary,
    @required Color secondaryVariant,
    @required Color surface,
    @required Color background,
    @required Color error,
    @required Color onPrimary,
    @required Color onSecondary,
    @required Color onSurface,
    @required Color onBackground,
    @required Color onError,
    @required Brightness brightness,
  }) = _SerializableColorScheme;

  factory SerializableColorScheme.fromColorScheme(ColorScheme c) => _SerializableColorScheme(
        background: c.background,
        brightness: c.brightness,
        error: c.error,
        onBackground: c.onBackground,
        onError: c.onError,
        onPrimary: c.onPrimary,
        onSecondary: c.onSecondary,
        onSurface: c.onSurface,
        primary: c.primary,
        primaryVariant: c.primaryVariant,
        secondary: c.secondary,
        secondaryVariant: c.secondaryVariant,
        surface: c.surface,
      );

  factory SerializableColorScheme.light() =>
      SerializableColorScheme.fromColorScheme(const ColorScheme.light());

  factory SerializableColorScheme.dark() =>
      SerializableColorScheme.fromColorScheme(const ColorScheme.dark());

  factory SerializableColorScheme.fromJson(Map<String, dynamic> json) =>
      _$SerializableColorSchemeFromJson(json);

  @late
  ColorScheme get colorScheme => ColorScheme(
      primary: primary,
      primaryVariant: primaryVariant,
      secondary: secondary,
      secondaryVariant: secondaryVariant,
      surface: surface,
      background: background,
      error: error,
      onPrimary: onPrimary,
      onSecondary: onSecondary,
      onSurface: onSurface,
      onBackground: onBackground,
      onError: onError,
      brightness: brightness);
}

class ColorConverter implements JsonConverter<Color, int> {
  const ColorConverter();

  @override
  Color fromJson(int json) => Color(json);

  @override
  int toJson(Color color) => color.value;
}