import { fail, type HousekeepingResult, ok } from "../contracts";
import {
	normalizeHousekeepingReason,
	requiresHousekeepingReason,
} from "./reason-policy";
import type { HousekeepingCommand } from "./registry";

export interface HousekeepingCommandConfirmation {
	commandId: string;
	risk: "safe" | "sensitive";
	requiresReason: boolean;
	reason?: string;
}

export function confirmHousekeepingCommand<I, O>(
	command: HousekeepingCommand<I, O>,
	reason: string | undefined,
	correlationId: string,
	input?: I,
): HousekeepingResult<HousekeepingCommandConfirmation> {
	const normalizedReason = normalizeHousekeepingReason(reason);
	const reasonRequired = requiresHousekeepingReason(
		command.requiresReason,
		input,
	);
	if (reasonRequired && !normalizedReason) {
		return fail("VALIDATION", "errors.housekeeping.validation", correlationId, {
			reason: ["errors.validation.required"],
		});
	}

	return ok(
		{
			commandId: command.id,
			risk: command.risk,
			requiresReason: reasonRequired,
			...(normalizedReason === undefined ? {} : { reason: normalizedReason }),
		},
		correlationId,
	);
}