import { useCallback } from 'react';
import type { Organization } from 'fhir/r4';
import type { SaveTransport } from '../utils/saveOperation';
import { useAuthServiceContext, useOrganizationServiceContext } from '../services';
import { environment } from '../environments/environment';

/**
 * Re-reads the practice, as the signed-in caller, into the session copy every practice save is built
 * from. Resolves undefined when the read fails, so the caller can say the copy may be stale.
 * `transport`: the save this re-read belongs to. Retired, nothing is sent, and its answer is installed nowhere.
 */
export const useRefreshSessionOrganization = () => {
    const { wpOrganization, setWpOrganization } = useAuthServiceContext();
    const { fetchOrganizationAsCaller } = useOrganizationServiceContext();
    return useCallback(async (transport?: SaveTransport): Promise<Organization | undefined> => {
        const id = wpOrganization.current?.id;
        if (!id) return undefined;
        let fresh: Organization;
        try {
            fresh = await fetchOrganizationAsCaller(id, environment.wpData?.installationId, undefined, transport);
        } catch (error) {
            // A retired save's read is not a failed read: it is said nowhere.
            if ((error as { name?: unknown } | null)?.name === 'SaveRetiredError') throw error;
            return undefined;
        }
        transport?.admit();
        if (wpOrganization.current?.id === id) setWpOrganization(fresh);
        return fresh;
    }, [wpOrganization, setWpOrganization, fetchOrganizationAsCaller]);
};