// core/types/interfaces/base.ts

import type BaseBN from 'bn.js';

// BN type definition - implementation is in @ocap/util
export interface BN extends BaseBN {}

export type { BaseBN };

export type Promisable<T> = T | Promise<T>;
export type BytesType = string | Buffer | Uint8Array;
export type Timestamp = string | number | Date;
export type Address = string;
export type Hash = string;

export interface IAny {
  typeUrl: string;
  value: Uint8Array;
}

export type PartialBy<T, K extends keyof T> = Omit<T, K> & Partial<Pick<T, K>>;
export type RequiredBy<T, K extends keyof T> = Omit<T, K> & Required<Pick<T, K>>;
export type DeepPartial<T> = {
  [P in keyof T]?: T[P] extends object ? DeepPartial<T[P]> : T[P];
};

/**
 * Make specific keys required (keeps all other fields, makes K required and non-nullable)
 * Useful for pipeline context types where certain fields become guaranteed after specific phases
 */
export type RequiredFields<T, K extends keyof T> = T & Required<Pick<T, K>>;

/**
 * Make all properties in T non-nullable (remove undefined from each property)
 */
export type NonNullableFields<T> = {
  [P in keyof T]: NonNullable<T[P]>;
};