import {type IWithIdentity} from "./interface";

export interface IResolveSource<
	TSource extends Record<string, string>,
	TResult extends IWithIdentity = IWithIdentity,
> {
	/**
	 * Resolve ID based on request (for example duplication detection).
	 *
	 * This should return an ID or throw an exception.
	 */
	resolveId(source: TSource): Promise<TResult>;
}

export namespace ResolveSource {
	export type Source<T> = T extends IResolveSource<infer U, any> ? U : T;
	export type Result<T> = T extends IResolveSource<any, infer U> ? U : T;
}