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import { AggregatedStream, HenNodeMarker, MergedStream } from "../henTypes";
import { collectNodeMarkersForSid } from "./nodeMarkers";
// This function takes a list of hot MERGED streams (i.e. aggregated segments by sde id, and then concatenating "nextStreams" into one hot stream line.),
// then figures out what the stream render order should be
export function sortHotPriority(hotStreams: any[]) {
const streams = hotStreams.map((item, idx) => {
const markers: HenNodeMarker[] = item?.markers ?? [];
const hxCount = markers.filter(
(m) => m.label?.startsWith("E") && m.henNode,
).length;
const nonHxCount = markers.filter(
(m) => !m.label?.startsWith("E") && m.henNode,
).length;
const totalCount = hxCount / 2 + nonHxCount;
const mixed = hxCount > 0 && nonHxCount > 0 ? 1 : 0;
return { item, idx, hxCount, nonHxCount, totalCount, mixed };
});
streams.sort((A, B) => {
// Has both HX and non-HX first
if (A.mixed !== B.mixed) return B.mixed - A.mixed;
// Among same mixed-ness, prioritize by TOTAL nodes (HX + non-HX), desc
Iif (A.totalCount !== B.totalCount) return B.totalCount - A.totalCount;
// Tiebreaker: more non-HX nodes first (desc)
Iif (A.nonHxCount !== B.nonHxCount) return B.nonHxCount - A.nonHxCount;
// Final tiebreaker: preserve original order (stable)
return A.idx - B.idx;
});
return streams.map((d) => d.item);
}
// build chain of sdes to get one whole aggregated stream (using nextStream)
export function buildSdeChain(
sdes: Array<{ id: number; nextStream?: number | null }>,
) {
const nextStream = new Map<string, string | undefined>();
const hasNextStream = new Set<string>();
(sdes ?? []).forEach((s) => {
const id = String(s.id);
const next = s.nextStream == null ? undefined : String(s.nextStream);
if (next) {
nextStream.set(id, next);
hasNextStream.add(next);
} else {
nextStream.set(id, undefined);
}
});
const allIds = (sdes ?? []).map((s) => String(s.id));
const starters = allIds.filter((id) => !hasNextStream.has(id));
const sdeChains: string[][] = [];
const visited = new Set<string>();
const walk = (startId: string) => {
const chain: string[] = [];
let current: string | undefined = startId;
while (current && !visited.has(current)) {
visited.add(current);
chain.push(current);
current = nextStream.get(current);
}
if (chain.length) sdeChains.push(chain);
};
starters.forEach(walk);
allIds.forEach((id) => {
Iif (!visited.has(id)) walk(id);
});
return sdeChains;
}
// merge relevant sdes together into one stream
// i.e. since all segments have an sde
// also include node markers to be rendered for that stream.
export function mergeRelevantSdes(
aggregatedStreams: AggregatedStream[],
sdeChains: string[][],
henNodes: HenNodeRead[] | undefined,
): MergedStream[] {
const aggregatedStream = new Map(
aggregatedStreams.map((s) => [String(s.stream_data_entry), s]),
);
const counters = { Heater: 1, Cooler: 1, HeatExchanger: 1 };
const hxLabelByKey = new Map<string, string>();
const merged: MergedStream[] = [];
for (const chain of sdeChains) {
const parts = chain
.map((id) => aggregatedStream.get(id))
.filter(Boolean) as AggregatedStream[];
if (!parts.length) continue;
const head = parts[0];
const tail = parts[parts.length - 1];
const t_supply = supplyFromSde(head);
const t_target = targetFromSde(tail);
merged.push({
...head,
t_supply,
t_target,
rawSegments: parts.flatMap((p) => p.rawSegments ?? []),
sdeIds: chain,
markers: chain.flatMap((id) =>
collectNodeMarkersForSid(id, henNodes, counters, hxLabelByKey),
),
});
}
return merged;
}
// get tsupply for each aggregated stream
function supplyFromSde(sde: AggregatedStream) {
return sde.isHot
? Math.max(...sde.rawSegments.map((s: any) => s.t_supply))
: Math.min(...sde.rawSegments.map((s: any) => s.t_supply));
}
// get ttarget for each aggregated stream
function targetFromSde(sde: AggregatedStream) {
return sde.isHot
? Math.min(...sde.rawSegments.map((s: any) => s.t_target))
: Math.max(...sde.rawSegments.map((s: any) => s.t_target));
}
// collect all supply/target temperatures for all segments in a stream.
export function collectAllTemps(
streams: Array<{ rawSegments: any[] }>,
): number[] {
const temps: number[] = [];
for (const s of streams ?? []) {
for (const seg of s.rawSegments ?? []) {
if (seg?.t_supply != null) temps.push(Number(seg.t_supply));
if (seg?.t_target != null) temps.push(Number(seg.t_target));
}
}
return temps;
}
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