type FontStyle = {
  fontFamily: string;
  fontWeight:
    | 'normal'
    | 'bold'
    | '100'
    | '200'
    | '300'
    | '400'
    | '500'
    | '600'
    | '700'
    | '800'
    | '900';
};

interface NativeTheme {
  dark: boolean;
  colors: {
    primary: string;
    background: string;
    card: string;
    text: string;
    border: string;
    notification: string;
  };
  fonts: {
    regular: FontStyle;
    medium: FontStyle;
    bold: FontStyle;
    heavy: FontStyle;
  };
}

// FIXME: augmenting `@react-navigation/core` breaks VSCode's auto-import for re-exports
declare global {
  // eslint-disable-next-line @typescript-eslint/no-namespace
  namespace ReactNavigation {
    interface Theme extends NativeTheme {}
  }
}

export type Theme = ReactNavigation.Theme;