import { useEffect } from 'react';
import { CareTeam } from 'fhir/r4';
import { usePatientServiceContext, useWebSocketServiceContext } from '../services';

interface UseCareTeamWebSocketOptions {
    careTeam?: CareTeam;
    careTeamId?: string;
    isOpen?: boolean;
    onUpdate: (careTeam: CareTeam) => void;
    onDelete: () => void;
}

export const useFhirCareTeamTargetedBroadcast = ({
                                                     careTeam,
                                                     careTeamId,
                                                     isOpen = true,
                                                     onUpdate,
                                                     onDelete
                                                 }: UseCareTeamWebSocketOptions) => {
    const { subscribe, unsubscribe } = useWebSocketServiceContext();
    const { patientState } = usePatientServiceContext();

    useEffect(() => {
        if (!patientState || !careTeam || !isOpen) {
            return;
        }

        const handleCareTeamEvent = (cloudEvent: any) => {
            const careTeamPayload: CareTeam = cloudEvent.data;
            const eventType = cloudEvent.type;

            const targetId = careTeamId || careTeam.id;

            if (careTeamPayload.id === targetId) {
                switch (eventType) {
                    case 'com.akashichealthrecords.fhir.careteam.updated':
                        onUpdate(careTeamPayload);
                        break;
                    case 'com.akashichealthrecords.fhir.careteam.deleted':
                        onDelete();
                        break;
                }
            }
        };

        subscribe('com.akashichealthrecords.fhir.careteam.updated', handleCareTeamEvent);
        subscribe('com.akashichealthrecords.fhir.careteam.deleted', handleCareTeamEvent);

        return () => {
            unsubscribe('com.akashichealthrecords.fhir.careteam.updated', handleCareTeamEvent);
            unsubscribe('com.akashichealthrecords.fhir.careteam.deleted', handleCareTeamEvent);
        };
    }, [patientState, careTeam, careTeamId, isOpen, onUpdate, onDelete, subscribe, unsubscribe]);
};