// Type definitions for i18n/I18nDecorator

type Omit<T, K extends keyof T> = Pick<T, Exclude<keyof T, K>>;
type Merge<M, N> = Omit<M, Extract<keyof M, keyof N>> & N;

export interface I18nDecoratorConfig extends Object {
  /**
   * Array of locales that should be treated as latin regardless of their script.
   */
  latinLanguageOverrides?: string[];
  /**
   * Array of locales that should be treated as non-latin regardless of their script.
   */
  nonLatinLanguageOverrides?: string[];
  /**
 * Array of resource loaders to be invoked after a locale change.
 * 
 * Each loader must be a function which accepts an object and returns either the resource when
 `options.sync`  is  `true`  or a  `Promise`  for the resource when  `options.sync`  is  `false` .
 * ```
resources: [
  (options) => new Promise((resolve, reject) => {
    fetchResource({onLoad: resolve, onError: reject});
  })
]
```
 
 * If you need to handle the resource in some way on load, you can pass an object with an
 `onLoad`  member that will be called once all resources have been loaded. This should be used
if loading a resource has side effects that should only be applied once all loading has
completed.
 * ```
resources: [
  {resource: (options) => { ... fetch ... }, onLoad: (res) => { ... apply side effect ... }}
]
```
 */
  resources?: Function | object[];
  /**
   * Retrieve i18n resource files synchronously.
   */
  sync?: boolean;
}
export interface I18nDecoratorProps {
  /**
   * Classes to apply to the wrapped component.
   */
  className?: string;
  /**
 * The locale to use.
 * 
 * A string with a   . The
system locale will be used by default.
 */
  locale?: string;
}
export function I18nDecorator<P>(
  config: I18nDecoratorConfig,
  Component: React.ComponentType<P> | string,
): React.ComponentType<P & I18nDecoratorProps>;

export function I18nDecorator<P>(
  Component: React.ComponentType<P> | string,
): React.ComponentType<P & I18nDecoratorProps>;

export interface I18nContextDecoratorConfig extends Object {
  /**
   * The prop name for  `locale`  property of i18nContext.
   */
  localeProp?: string;
  /**
   * The prop name for  `rtl`  property of i18nContext.
   */
  rtlProp?: string;
  /**
   * The prop name for  `updateLocale`  property of i18nContext.
   */
  updateLocaleProp?: string;
}
export interface I18nContextDecoratorProps {}
export function I18nContextDecorator<P>(
  config: I18nContextDecoratorConfig,
  Component: React.ComponentType<P> | string,
): React.ComponentType<P & I18nContextDecoratorProps>;

export function I18nContextDecorator<P>(
  Component: React.ComponentType<P> | string,
): React.ComponentType<P & I18nContextDecoratorProps>;

export default I18nDecorator;