import { IAction, IState, UserKey } from "@etsoo/appscript";
import React, { ReactNode } from "react";

/**
 * State UI creator
 */
export interface IUICreator<S extends IState, A extends IAction, P = object> {
  (state: S, dispatch: React.Dispatch<A>, props: P): React.ReactElement;
}

/**
 * State update interface
 */
export interface IUpdate<S extends IState, A extends IAction> {
  state: S;
  dispatch: React.Dispatch<A>;
}

/**
 * State update interface
 */
export interface IStateUpdate {
  (authorized?: boolean, matchedFields?: string[]): PromiseLike<void> | void;
}

/**
 * State update props
 */
export interface IStateProps {
  /**
   * State last changed fields
   */
  targetFields?: UserKey[];

  /**
   * State update callback
   */
  update: IStateUpdate;
}

/**
 * State provider update callback
 */
export interface IProviderUpdate<A extends IAction> {
  (dispatch: React.Dispatch<A>): void;
}

/**
 * State provider props
 */
export interface IProviderProps<A extends IAction> {
  /**
   * Update callback
   */
  update?: IProviderUpdate<A>;
}