// @flow

export type UpdateType = 'create' | 'update' | 'delete' | 'swap' | 'connect' | 'disconnect';

export type ArrayActionType = 'UPDATE_ARRAY' | 'CREATE_ARRAY' | 'DELETE_ARRAY';
export type ConnectActionType = 'CONNECT' | 'DISCONNECT' | 'CREATE_AND_CONNECT' | 'DISCONNECT_AND_DELETE' | 'UPDATE_CONNECT';
export type ObjectActionType = 'UPDATE_OBJECT';
export type NoopType = 'NOOP';
export type ActionType = ArrayActionType | ConnectActionType | ObjectActionType | NoopType;

export type Action<T> = {
  type: T,
  payload: {
    key: string,
    id?: string,
    path?: string,
    value: any,
    relation?: Object,
    transformGqlPayload?: Function
  }
}


export interface Pattern<T> {
  actions: Array<T>;

  addAction(action: T): void;
  mergeAction(): Array<T>;
}

export type ActionManagerStore = {
  [key: string]: Pattern<Action<ObjectActionType>> |
    Array<{
      id: string,
      array: Pattern<Action<ArrayActionType>>,
      connect: Pattern<Action<ConnectActionType>>
    }>
}

export interface ActionManagerDef {
  store: ActionManagerStore;

  addAction(action: Action<ActionType>): void;
  getActions(key: string, id?: string): Array<Action<ActionType>>
}