export type CookieValue = string | object;
export interface ICookies {
  [key: string]: CookieValue;
}

export interface ICookieServerContext {
  req: {
    cookies: ICookies;
  };
  res: {
    setHeader(key: string, value: string | number | string[]): void;
  };
}

export interface ICookieOptions extends ICookieAttributes {
  ctx?: ICookieServerContext; // Server context from [next.js]
  default?: CookieValue;
}

export interface ICookieAttributes {
  expires?: number | Date; // Days or date until expiration. Ommit for session cookie.
  path?: string; // Path where the cookie is visible: Deafult: '/'.
  domain?: string; // The cookie's valid domain, includes sub-domains. Default: current domain and sub-domains.
  isSecure?: boolean; // Flag indicating if the cookie transmission requires a secure protocol (https).
}

export type CookiePropertyFunc<T extends CookieValue> = (
  value?: T | null,
  options?: ICookieOptions,
) => T | undefined;

export type CookieProperty<T extends CookieValue> = CookiePropertyFunc<T> & {
  key: string;
  isProp: boolean;
  options?: ICookieOptions;
};

/**
 * An event that is fired when the cookie is written to.
 */
export interface ICookieChangedEvent {
  key: string;
  value?: CookieValue;
  action: 'UPDATE' | 'DELETE';
}