import { GenericCallback } from "../models.mjs";

//#region src/result/models.d.ts
/**
 * An unknown result
 */
type AnyResult<Value, E> = Err<E> | ExtendedErr<E> | Ok<Value>;
/**
 * An error result
 */
type Err<Error> = {
  ok: false;
  error: Error;
};
/**
 * An extended error result
 */
type ExtendedErr<E> = Err<E> & {
  original: Error;
};
/**
 * An extended, unknown result
 */
type ExtendedResult<Value, E> = ExtendedErr<E> | Ok<Value>;
/**
 * A successful result
 */
type Ok<Value> = {
  ok: true;
  value: Value;
};
/**
 * An unknown result
 */
type Result<Value, E = Error> = Err<E> | Ok<Value>;
/**
 * Match callbacks for a result
 */
type ResultMatch<Value, Returned, E = Error> = {
  /**
   * Callback for error result
   *
   * @param error Error value
   * @param original Original error, if available
   * @returns Value to return
   */
  error: (error: E, original?: Error) => Returned;
  /**
   * Callback for ok result
   *
   * @param value Ok value
   * @returns Value to return
   */
  ok: (value: Value) => Returned;
};
/**
 * Unwrap a result value
 */
type UnwrapResult<Original extends Result<unknown, unknown>> = Original extends Ok<infer Value> ? Value : never;
/**
 * Unwrap any value
 */
type UnwrapValue<Original> = Original extends GenericCallback ? ReturnType<Original> extends Result<unknown, unknown> ? UnwrapResult<ReturnType<Original>> : ReturnType<Original> : Original extends Result<unknown, unknown> ? UnwrapResult<Original> : Original extends Promise<infer Value> ? Awaited<Value> : Original;
//#endregion
export { AnyResult, Err, ExtendedErr, ExtendedResult, Ok, Result, ResultMatch, UnwrapValue };