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import { useApolloClient, useQuery } from '@apollo/client';
import { useEffect, useMemo, useState, useCallback } from 'react';
import {
formatInputFormattedTemplate,
useHostVariables,
useWidgetRefreshRate,
type TangoAttributeInput
} from '@ska-octopus-widget-sdk/widget-sdk';
import { layoutDocs, OP_POLL } from '../graphql/ops';
import {
chunk,
buildFullNames,
buildAntennas,
computePowerRange,
computeTicks,
LayoutRow,
Row
} from '../utils/geomap';
import { normalizeEndpoints } from '../utils/endpoint';
export function useGeoData(opts: {
stationId: string;
instanceId?: string;
mccsBatchSize?: number;
endpoint?: string | string[] | TangoAttributeInput[];
}) {
const { stationId, instanceId, mccsBatchSize, endpoint: rawEndpoint } = opts;
const variables = useHostVariables();
const resolvedStationId = useMemo(
() =>
formatInputFormattedTemplate({
template: stationId,
variables,
fallback: stationId
}),
[stationId, variables]
);
const endpoints = useMemo(
() => normalizeEndpoints(rawEndpoint, { variables }),
[rawEndpoint, variables]
);
const selectedEndpoint = endpoints[0] ?? '1';
const client = useApolloClient();
const refreshSec = useWidgetRefreshRate(instanceId ?? 'geoMap');
// 1) Fetch ALL antennas for the station
const {
data: layoutData,
loading: layoutLoading,
error: layoutError
} = useQuery(layoutDocs, {
variables: { station: resolvedStationId },
fetchPolicy: 'cache-first'
});
const layoutRows: LayoutRow[] = useMemo(
() => (layoutData?.antennaLocations?.antenna_locations ?? []) as any,
[layoutData]
);
const smartboxes = useMemo(() => {
const set = new Set<string>();
for (const r of layoutRows) Eif (r.smartbox) set.add(String(r.smartbox).trim());
return Array.from(set);
}, [layoutRows]);
const tpmIds = useMemo(() => {
const set = new Set<string>();
for (const r of layoutRows) {
Iif (!r?.tpm) continue;
set.add(`${resolvedStationId}-${String(r.tpm).trim()}`); // e.g., "s8-1-tpm01"
}
return Array.from(set);
}, [layoutRows, resolvedStationId]);
// 2) Build attribute fullNames for MCCS
const fullNames = useMemo(
() => buildFullNames(smartboxes, tpmIds, resolvedStationId),
[smartboxes, tpmIds, resolvedStationId]
);
/** ============ Batched MCCS polling ============ */
const batchSize = Math.max(1, Math.floor(mccsBatchSize ?? 5));
const fullNameBatches = useMemo(() => chunk(fullNames, batchSize), [fullNames, batchSize]);
const [rows, setRows] = useState<Row[]>([]);
const [fetching, setFetching] = useState(false);
const [fetchError, setFetchError] = useState<unknown>(null);
const runFetchOnce = useCallback(
async (cancelledRef: { v: boolean }) => {
Iif (fullNameBatches.length === 0) {
setRows([]);
return;
}
setFetching(true);
setFetchError(null);
try {
const all: Row[] = [];
for (const names of fullNameBatches) {
Iif (cancelledRef.v) return;
const res = await client.query({
query: OP_POLL,
variables: { fullNames: names, endpoint: selectedEndpoint },
fetchPolicy: 'network-only'
});
if (cancelledRef.v) return;
const arr = (res.data?.attributes ?? []) as any[];
for (const r of arr)
all.push({
device: String(r.device || ''),
name: String(r.name || ''),
value: r.value
});
}
Iif (cancelledRef.v) return;
setRows(all);
} catch (e) {
if (!cancelledRef.v) setFetchError(e);
} finally {
if (!cancelledRef.v) setFetching(false);
}
},
[client, fullNameBatches, selectedEndpoint]
);
useEffect(() => {
if (tpmIds.length === 0 && smartboxes.length === 0) return;
const cancelled = { v: false };
runFetchOnce(cancelled);
const sec = Math.max(0, refreshSec ?? 0);
let id: any = null;
if (sec > 0) id = setInterval(() => runFetchOnce(cancelled), sec * 1000);
return () => {
cancelled.v = true;
Eif (id) clearInterval(id);
};
}, [runFetchOnce, refreshSec, tpmIds.length, smartboxes.length]);
// dev -> (name.lower -> value)
const byDev = useMemo(() => {
const m = new Map<string, Map<string, any>>();
for (const r of rows) {
if (!m.has(r.device)) m.set(r.device, new Map());
m.get(r.device)!.set(r.name.toLowerCase(), r.value);
}
return m;
}, [rows]);
const antennas = useMemo(
() => buildAntennas(layoutRows, byDev, resolvedStationId),
[layoutRows, byDev, resolvedStationId]
);
const powerRange = useMemo(() => computePowerRange(antennas), [antennas]);
const ticks = useMemo(() => computeTicks(powerRange), [powerRange]);
return {
// data
layoutRows,
antennas,
powerRange,
ticks,
// states
layoutLoading,
layoutError,
fetching,
fetchError,
// misc
batchSize,
refreshSec
};
}
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