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

export function createPlayerCharacterUseCase(
	store: PlayerCharacterStore,
	id: PlayerCharacterId,
	name: string,
	ac: number,
	maxHp: number,
	color: string,
	icon: string,
): DomainEvent[] | DomainError {
	const characters = store.getAll();
	const result = createPlayerCharacter(
		characters,
		id,
		name,
		ac,
		maxHp,
		color,
		icon,
	);

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

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