/**
 * System themes: dark, light, black, hacker
 */
export enum SystemTheme {
  LIGHT = "light",
  DARK = "dark",
  BLACK = "black",
  HACKER = "hacker"
}

/**
 * Colors which are eligible for theming
 */
export enum ThemeColor {
  primaryColor = "primary-color",
  primaryHoverColor = "primary-hover-color",
  primarySelectedColor = "primary-selected-color",
  primarySelectedHoverColor = "primary-selected-hover-color",
  primarySelectedOnSecondaryColor = "primary-selected-on-secondary-color",
  textColorOnPrimary = "text-color-on-primary",
  brandColor = "brand-color",
  brandHoverColor = "brand-hover-color",
  brandSelectedColor = "brand-selected-color",
  brandSelectedHoverColor = "brand-selected-hover-color",
  textColorOnBrand = "text-color-on-brand"
}

export type Theme = {
  /**
   * The name of the theme - name of css class that will be added to the children - should be unique
   */
  name: string;
  colors: SystemThemeColorMap;
};

type SystemThemeColorMap = {
  [key in SystemTheme]?: ThemeColorTokenValueMap;
};

export type ThemeColorTokenValueMap = ThemeColorTokenValue | ThemeCustomClassValue;

export type ThemeColorTokenValue = {
  [key in ThemeColor]?: string;
};

type ThemeCustomClassValue = {
  [key: string]: ThemeColorTokenValue | ThemeCustomClassValue;
};

export const SystemThemeClassMap: SystemThemeClassMapType = {
  [SystemTheme.LIGHT]: "light-app-theme",
  [SystemTheme.DARK]: "dark-app-theme",
  [SystemTheme.BLACK]: "black-app-theme",
  [SystemTheme.HACKER]: "hacker_theme-app-theme"
};

type SystemThemeClassMapType = {
  [key in SystemTheme]: string;
};