initiative/packages/application/src/delete-player-character-use-case.ts

import {
	type DomainError,
	type DomainEvent,
	deletePlayerCharacter,
	isDomainError,
	type PlayerCharacterId,
} from "@initiative/domain";
import type { PlayerCharacterStore } from "./ports.js";

export function deletePlayerCharacterUseCase(
	store: PlayerCharacterStore,
	id: PlayerCharacterId,
): DomainEvent[] | DomainError {
	const characters = store.getAll();
	const result = deletePlayerCharacter(characters, id);

	if (isDomainError(result)) {
		return result;
	}

	store.save([...result.characters]);
	return result.events;
}