All files / src/pages/flowsheet-page/pinch-analysis/hen-generation HENSidebar.tsx

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import {
  Accordion,
  AccordionContent,
  AccordionItem,
  AccordionTrigger,
} from "@/ahuora-design-system/ui/accordion";
import { Badge } from "@/ahuora-design-system/ui/badge";
import { Button } from "@/ahuora-design-system/ui/button";
import {
  Tabs,
  TabsList,
  TabsTrigger,
  TabsContent,
} from "@/ahuora-design-system/ui/tabs";
import { ToolTipCover } from "@/ahuora-design-system/ui/tooltip";
import {
  usePinchHenNodeRetrieveQuery,
  usePinchStreamDataEntryRetrieveQuery,
  useUnitopsSimulationobjectsRetrieveQuery,
} from "@/api/apiStore.gen";
import { useCurrentStreamDataEntries, getNodeObject } from "@/hooks/henHooks";
import { useCurrentPinchOutputs, useCurrentSegments } from "@/hooks/PinchHooks";
import { ArrowLeft, ArrowRightToLine } from "lucide-react";
import { useEffect, useMemo, useState } from "react";
import { useSearchParams } from "react-router-dom";
import { ScrollArea } from "@/ahuora-design-system/ui/scroll-area";
import Notes from "../../flowsheet/PropertiesSidebar/Notes/Notes";
 
type SideBarContent =
  | { type: "overview"; tab: "Details" | "Streams" }
  | { type: "streamDetails"; sde: any }
  | { type: "henNodeDetails"; nodeId: any };
 
// === helpers ===
// keep ids comparable even if one side is "123" and the other is 123
const sameId = (a: any, b: any) => String(a) === String(b);
// normalise possible { children: [...] } into a plain array
const toArray = <T,>(x: any): T[] =>
  Array.isArray(x) ? x : (x?.children ?? []);
// defensive formatter to avoid NaN in UI
const fmt2 = (v: any, fallback = "—") =>
  v == null || Number.isNaN(Number(v)) ? fallback : Number(v).toFixed(2);
// number coercion with fallback
const num = (v: any, d = 0) => {
  const n = Number(v);
  return Number.isFinite(n) ? n : d;
};
 
// Log-mean temperature difference (°C or K); guards equal deltaTs
// this is actually WRONG for what we need it for though (Area), because we dont have enough information.
// We need (T_target (cold) - T_supply (cold)) / (T_supply (hot) - T_target (hot))
const lmdt = (dT1: number, dT2: number) => {
  const a = num(dT1),
    b = num(dT2);
  Iif (a <= 0 && b <= 0) return 0;
  Iif (Math.abs(a - b) < 1e-9) return a; // avoid ln(1)
  return (a - b) / Math.log(a / b);
};
 
// Pull a segment field from several possible keys (since schema may vary)
const segField = (seg: any, keys: string[], d = 0) =>
  num(
    keys.reduce((acc, k) => acc ?? seg?.[k], undefined),
    d
  );
 
// // Compute Q for a segment using U*A*LMTD; returns kW
// // - U keys it might find: overall_htc, U, htc (W/m²K)
// // - Area key: area (m²)
// // - Temperatures: prefer segment-level; fallback to SDE in/out
// // this might be WRONG because of the explanation for lmtd
// const computeSegmentQkW = (seg: any, hotSde?: any, coldSde?: any) => {
//   const U = segField(seg, ["overall_htc", "U", "htc"]); // W/m²K
//   const A = segField(seg, ["area"]); // m²
 
//   // Temperatures - try segment-level keys first, else SDEs
//   const Th_in = segField(
//     seg,
//     ["hot_in", "t_hot_in", "Th_in"],
//     hotSde?.temperatures?.inlet
//   );
//   const Th_out = segField(
//     seg,
//     ["hot_out", "t_hot_out", "Th_out"],
//     hotSde?.temperatures?.outlet
//   );
//   const Tc_in = segField(
//     seg,
//     ["cold_in", "t_cold_in", "Tc_in"],
//     coldSde?.temperatures?.inlet
//   );
//   const Tc_out = segField(
//     seg,
//     ["cold_out", "t_cold_out", "Tc_out"],
//     coldSde?.temperatures?.outlet
//   );
 
//   // Counter-current LMTD (common default)
//   const dT1 = Math.abs(Th_in - Tc_out);
//   const dT2 = Math.abs(Th_out - Tc_in);
//   const dTlm = lmdt(dT1, dT2);
 
//   const Q_W = U * A * dTlm; // W
//   return Q_W / 1000; // kW
// };
 
export default function HENSidebarContent() {
  const [searchParams] = useSearchParams();
  const sdeId = searchParams.get("henStream");
  const nodeId = searchParams.get("henNode");
  const [content, setContent] = useState<SideBarContent>(() => {
    Iif (sdeId) return { type: "streamDetails", sde: sdeId };
    Iif (nodeId) return { type: "henNodeDetails", nodeId };
    return { type: "overview", tab: "Details" };
  });
 
  useEffect(() => {
    if (sdeId) {
      setContent({ type: "streamDetails", sde: sdeId });
    } else if (nodeId) {
      setContent({ type: "henNodeDetails", nodeId });
    } else {
      setContent({ type: "overview", tab: "Details" });
    }
  }, [sdeId, nodeId]);
 
  return (
    <div className="w-full">
      {content.type === "overview" && (
        <HENOverview content={content} setContent={setContent} />
      )}
      {content.type === "streamDetails" && (
        <HENStreamDetails streamId={content.sde} setContent={setContent} />
      )}
      {content.type === "henNodeDetails" && (
        <HENNodeDetails nodeId={content.nodeId} setContent={setContent} />
      )}
    </div>
  );
}
 
export function HENOverview({
  content,
  setContent,
}: {
  content: Extract<SideBarContent, { type: "overview" }>;
  setContent: (c: SideBarContent) => void;
}) {
  const tabs = ["Details", "Streams"];
 
  return (
    <div className="flex flex-col flex-1 mx-2">
      <div className="pt-3 pl-2 pb-0.5">
        <div className="strong">Overview</div>
      </div>
      <Tabs
        value={content.tab}
        onValueChange={(value) =>
          setContent({ type: "overview", tab: value as any })
        }
        className="w-full h-full"
      >
        <div className="flex flex-col pt-2">
          <TabsList className="flex flex-row bg-muted text-secondary-foreground rounded-t-lg shadow-sm p-1">
            {tabs.map((tab, index) => (
              <TabsTrigger key={index} value={tab}>
                {tab}
              </TabsTrigger>
            ))}
          </TabsList>
          <TabsContent value="Details">
            <HENOverviewDetails />
          </TabsContent>
          <TabsContent value="Streams">
            <HENStreamsListStatus setContent={setContent} />
          </TabsContent>
        </div>
      </Tabs>
    </div>
  );
}
 
export function HENOverviewDetails() {
  const { outputs } = useCurrentPinchOutputs();
  const { streams, isLoading, isError } = useCurrentStreamDataEntries();
 
  const allStreams = toArray<any>(streams);
  const pinchTempRead = outputs?.[0]?.targets?.[0]?.temp_pinch;
  const pinchTemps = pinchTempRead
    ? { coldPinch: pinchTempRead.cold_temp, hotPinch: pinchTempRead.hot_temp }
    : undefined;
 
  // net heating
  const heaters = allStreams.filter(
    (stream) => stream?.unitop_type === "Heater"
  );
  const netHeaterFlow = heaters.reduce(
    (sum, stream) => sum + (stream.heat_flow ?? 0),
    0
  );
 
  // net cooling
  const coolers = allStreams.filter(
    (stream) => stream.unitop_type === "Cooler"
  );
  const netCoolerFlow = coolers.reduce(
    (sum, stream) => sum + (stream.heat_flow ?? 0),
    0
  );
 
  // net utilities overall
  const netUtilityFlow = netHeaterFlow + netCoolerFlow;
 
  if (isLoading) return <div>Loading stream info...</div>;
  Iif (isError) return <div>Failed to load stream info.</div>;
 
  return (
    <div className="flex flex-col gap-5 pt-3 ml-2">
      {/* <div className="flex flex-col gap-1">
        <p className="text-sm">Total Cross Pinch Heat Transfer</p>
        <p className="text-sm">0 kW</p>
      </div> */}
 
      <div className="flex flex-col gap-1">
        <p className="text-sm">Pinch Temperature</p>
        {pinchTemps ? (
          <>
            {pinchTemps.coldPinch != null && (
              <p className="text-sm">{`Cold pinch: ${Number(pinchTemps.coldPinch).toFixed(2)} °C`}</p>
            )}
            {pinchTemps.hotPinch != null && (
              <p className="text-sm">{`Hot pinch: ${Number(pinchTemps.hotPinch).toFixed(2)} °C`}</p>
            )}
          </>
        ) : (
          <p className="text-sm">No pinch data</p>
        )}
      </div>
 
      <div className="flex flex-col gap-1">
        <p className="text-sm">Total Utility Use</p>
        <p className="text-sm">{fmt2(netUtilityFlow)} kW</p>
      </div>
 
      <div className="flex flex-col gap-1">
        <p className="text-sm">Net Heating Utility</p>
        <p className="text-sm">{fmt2(netHeaterFlow)} kW</p>
      </div>
 
      <div className="flex flex-col gap-1">
        <p className="text-sm">Net Cooling Utility</p>
        <p className="text-sm">{fmt2(netCoolerFlow)} kW</p>
      </div>
 
      {/* <div className="flex flex-col gap-1">
        <p className="text-sm">Global Heat Transfer Coefficient</p>
        <p className="text-sm">0 W/[m2.K]</p> 
      </div> */}
    </div>
  );
}
 
export function HENStreamsListStatus({
  setContent,
}: {
  setContent: (c: SideBarContent) => void;
}) {
  const { streams, isLoading, isError } = useCurrentStreamDataEntries();
 
  Iif (!streams) return <div>No streams found</div>;
  Iif (isLoading) return <div>Loading stream info...</div>;
  Iif (isError) return <div>Failed to load stream info.</div>;
 
  const list = toArray<any>(streams); // normalise before mapping
 
  return (
    <>
      <Accordion type="single" collapsible>
        {list.map((stream) => (
          <AccordionItem key={stream.id} value={String(stream.id)}>
            <AccordionTrigger variant="default">
              <div className="flex flex-row w-full justify-between">
                <div className="">{stream.inlet_outlet_streams.inlet}</div>
                <Badge variant="success" className="mr-2 px-7 py-0">
                  100% (placeholder)
                </Badge>
              </div>
            </AccordionTrigger>
            <AccordionContent>
              <HENStreamStatus stream={stream} setContent={setContent} />
            </AccordionContent>
          </AccordionItem>
        ))}
      </Accordion>
    </>
  );
}
 
export function HENStreamStatus({
  stream,
  setContent,
}: {
  stream: any;
  setContent: (c: SideBarContent) => void;
}) {
  const belowPinch = true; // figure out if the duty requirements are above or below pinch.
 
  function handleClick() {
    // go to that stream's details page.
    setContent({ type: "streamDetails", sde: stream.id });
  }
 
  return (
    <div className="flex flex-col gap-4 text-white">
      <div className="flex flex-row gap-2 py-2 justify-between">
        <p className="text-sm font-medium">View Stream Details</p>
        <ToolTipCover
          content={`View ${stream.inlet_outlet_streams.inlet} details.`}
          delay={0}
          asChild
        >
          <ArrowRightToLine
            className="hover:opacity-50 cursor-pointer"
            onClick={handleClick}
          />
        </ToolTipCover>
      </div>
      <div>
        <p className="text-sm font-medium">
          Current Duty ({belowPinch ? "below" : "above"} pinch):
        </p>
        <p className="text-sm">0 kJ/h</p> {/** placeholder */}
      </div>
      <div>
        <p className="text-sm font-medium">
          Total Required Duty ({belowPinch ? "below" : "above"} pinch):
        </p>
        <p className="text-sm">0 kJ/h</p> {/** placeholder */}
      </div>
    </div>
  );
}
 
// helper for temp differences.
function getTempDifference(before: number, after: number) {
  return Math.abs(after - before).toFixed(2);
}
 
export function HENStreamDetails({
  streamId,
  setContent,
}: {
  streamId: any;
  setContent?: (c: SideBarContent) => void;
}) {
  const { data: sde, isLoading } = usePinchStreamDataEntryRetrieveQuery({
    id: streamId,
  });
  const { data: object } = useUnitopsSimulationobjectsRetrieveQuery(
    {
      id: +sde?.inlet_outlet_streams.inlet!,
    },
    { skip: !sde?.inlet_outlet_streams.inlet }
  );
 
  const massFlowComp = object?.properties.ContainedProperties[0].values || {};
  const massFlowUnit = object?.properties.ContainedProperties[1].unit || "";
 
  // this assumes that we are working in MASS fractions. May need to change to account for molar frac instead.
  function getMassFlow(massFrac: number) {
    const massFlow =
      massFrac * object?.properties.ContainedProperties[1].values.value;
    return massFlow;
  }
 
  if (isLoading || !sde) return <div>Loading stream info...</div>;
  return (
    <>
      <ScrollArea className="h-full">
        <div className="flex flex-col flex-1 mx-2 gap-4 pl-4">
          <div className="flex flex-row justify-between">
            <div className="pt-3 pb-0.5">
              <div className="strong">{object?.componentName}</div>
            </div>
            {setContent && (
              <Button
                className="ml-3 mt-1"
                size="icon"
                variant="ghost"
                onClick={() => setContent({ type: "overview", tab: "Streams" })}
              >
                <ArrowLeft />
              </Button>
            )}
          </div>
        </div>
        {/* stream deets */}
        <Accordion
          type="multiple"
          className="w-full"
          defaultValue={["properties"]}
        >
          <AccordionItem value="properties">
            <AccordionTrigger variant="default">
              <h4>Properties</h4>
            </AccordionTrigger>
            <AccordionContent>
              <div className="flex flex-col gap-4">
                <div>
                  <p className="text-sm font-medium">Composition</p>
                  {Object.entries(massFlowComp).map(
                    ([compName, compData]: any) => (
                      <p className="text-sm" key={compName}>
                        {compName}: {fmt2(getMassFlow(compData.displayValue))}{" "}
                        {massFlowUnit}
                      </p>
                    )
                  )}
                </div>
                <div>
                  <p className="text-sm">Pressure Drop</p>
                  <p className="text-sm">
                    {fmt2((sde.pressures.inlet - sde.pressures.outlet) * -1)}{" "}
                    kPa
                  </p>
                </div>
                <div>
                  <p className="text-sm">Initial Temperature</p>
                  <p className="text-sm">{fmt2(sde.temperatures.inlet)} °C</p>
                </div>
                <div>
                  <p className="text-sm">Final Temperature</p>
                  <p className="text-sm">{fmt2(sde.temperatures.outlet)} °C</p>
                </div>
                <div>
                  <p className="text-sm">Enthalpy Change</p>
                  <p className="text-sm">
                    {fmt2(
                      (sde.enthalpies.inlet - sde.enthalpies.outlet) * -1
                    )}{" "}
                    kJ/kmol
                  </p>
                </div>
                <div>
                  <p className="text-sm">Useful Heat Energy</p>
                  <p className="text-sm">
                    {fmt2(
                      (sde.heat_flow)
                    )}
                  </p>
                </div>
              </div>
            </AccordionContent>
          </AccordionItem>
 
          <AccordionItem value="annotations">
            <AccordionTrigger variant="default">
              <h4 id="annotations">Notes</h4>
            </AccordionTrigger>
            <AccordionContent>
              <Notes simulationObjectId={object?.id} />
            </AccordionContent>
          </AccordionItem>
        </Accordion>
      </ScrollArea>
    </>
  );
}
 
export function HENNodeDetails({
  nodeId,
  setContent,
}: {
  nodeId: any;
  setContent?: (c: SideBarContent) => void;
}) {
  // we have node id, to get hennode details:
  // cold/hot_connections. Need to get sde.
  // use sde to get -> "Heat from Stream 2", "temp before", "temp after", "temp diff", "heat transfer (Qh) in kW?", "min delta T?"
  const { data: henNode, isLoading: henNodeIsLoading } =
    usePinchHenNodeRetrieveQuery({ id: nodeId });
  const { streams: sdes, isLoading: sdesIsLoading } =
    useCurrentStreamDataEntries();
  const { streams: segments, isLoading: segmentsIsLoading } =
    useCurrentSegments();
 
  const isHx = !!(henNode && !henNode.stream_data_entry);
 
  const sdeList = useMemo(() => toArray<any>(sdes), [sdes]);
  const segmentList = useMemo(() => toArray<any>(segments), [segments]);
 
  // non heatexchanger node
  const singleSde = useMemo(() => {
    if (!henNode || isHx) return;
    const sdeId = henNode.stream_data_entry;
    return sdeList.find((sde) => sameId(sde.id, sdeId));
  }, [henNode, sdeList, isHx]);
 
  const hxHotSde = useMemo(() => {
    if (!henNode || !isHx) return;
    const sdeId = henNode.hot_connection;
    return sdeList.find((sde) => sameId(sde.id, sdeId));
  }, [henNode, sdeList, isHx]);
 
  const hxColdSde = useMemo(() => {
    if (!henNode || !isHx) return;
    const sdeId = henNode?.cold_connection;
    return sdeList.find((sde) => sameId(sde.id, sdeId));
  }, [henNode, sdeList, isHx]);
 
  const hxHotSegments = useMemo(() => {
    if (!henNode || !isHx) return [] as any[];
    const sdeId = henNode.hot_connection;
    return segmentList.filter((segment) =>
      sameId(segment.stream_data_entry, sdeId)
    );
  }, [segmentList, henNode, isHx]);
 
  const hxColdSegments = useMemo(() => {
    if (!henNode || !isHx) return [] as any[];
    const sdeId = henNode.cold_connection;
    return segmentList.filter((segment) =>
      sameId(segment.stream_data_entry, sdeId)
    );
  }, [segmentList, henNode, isHx]);
 
  const nonHxUnitopId = singleSde?.unitop;
  const hxHotUnitopId = hxHotSde?.unitop;
 
  const nonHxObject = getNodeObject(nonHxUnitopId);
  const hxObject = getNodeObject(hxHotUnitopId);
  
  const hxHotTempDiff = getTempDifference(
    hxHotSde?.temperatures.inlet,
    hxHotSde?.temperatures.outlet
  );
  const hxColdTempDiff = getTempDifference(
    hxColdSde?.temperatures.inlet,
    hxColdSde?.temperatures.outlet
  );
  const nonHxTempDiff = getTempDifference(
    singleSde?.temperatures.inlet,
    singleSde?.temperatures.outlet
  );
 
  const hxHotArea = hxHotSegments?.reduce(
    (sum, s) => sum + (Number(s.area) || 0),
    0
  );
  const hxColdArea = hxColdSegments?.reduce(
    (sum, s) => sum + (Number(s.area) || 0),
    0
  );
 
  // Heat transfer per side (sum of segments), kW
  // const hxHotQkW = hxHotSegments.reduce(
  //   (sum, seg) => sum + computeSegmentQkW(seg, hxHotSde, hxColdSde),
  //   0
  // );
  // const hxColdQkW = hxColdSegments.reduce(
  //   (sum, seg) => sum + computeSegmentQkW(seg, hxHotSde, hxColdSde),
  //   0
  // );
 
  // either loop through all contained properties, or map to find specific ones.
  // heater has: [0]: .displayName "Heat Removed", .key "heat_duty", .unit "kW", .unitType "heatflow", values.value
  //             [1]: .displayname "Pressure Drop", .key "deltaP", .unit "kPa", .unitType "pressure", values.value
  // cooler has: [0]: same as heater
  //             [1]:same as heater
  // cant check hx coz of bug with extraction :( try again tomorrow...
 
  if (henNodeIsLoading || !henNode) return <p>Loading hen nodes...</p>;
  Iif (sdesIsLoading) return <p>Loading streams...</p>;
 
  return (
    <ScrollArea className="h-full">
      <div className="flex flex-col flex-1 mx-2 gap-4 h-full">
        <div className="flex flex-row justify-between">
          <div className="pt-3 pl-2 pb-0.5">
            <div className="strong">
              {isHx ? hxObject?.componentName : nonHxObject?.componentName}
            </div>
          </div>
          {setContent && (
            <Button
              className="ml-3 mt-1"
              size="icon"
              variant="ghost"
              onClick={() => setContent({ type: "overview", tab: "Streams" })}
            >
              <ArrowLeft />
            </Button>
          )}
        </div>
 
        {isHx ? (
          <>
            {/* HX: show both sides */}
            <div className="h-full">
              <Accordion
                type="multiple"
                className="w-full"
                defaultValue={["hot side"]}
              >
                <AccordionItem value="hot side">
                  <AccordionTrigger variant="default">
                    Hot Side
                  </AccordionTrigger>
                  <AccordionContent>
                    <div className="flex flex-col gap-4">
                      <div>
                        <p className="text-sm font-medium">
                          Temperature Before
                        </p>
                        <p>
                          {hxHotSde?.temperatures?.inlet != null
                            ? fmt2(hxHotSde.temperatures.inlet)
                            : "—"}{" "}
                          °C
                        </p>
                      </div>
                      <div>
                        <p className="text-sm font-medium">Temperature After</p>
                        <p>
                          {hxHotSde?.temperatures?.outlet != null
                            ? fmt2(hxHotSde.temperatures.outlet)
                            : "—"}{" "}
                          °C
                        </p>
                      </div>
                      <div>
                        <p className="text-sm font-medium">
                          Temperature Difference
                        </p>
                        <p>
                          {hxHotTempDiff}
                          °C
                        </p>
                      </div>
                      <div>
                        <p className="text-sm font-medium">Heat Load</p>
                        <p>
                          {fmt2(hxHotSde?.heat_flow)}
                          kW
                        </p>
                      </div>
                      <div>
                        <p className="text-sm font-medium">Heat Transfer</p>
                        <p>
                          {/* {hxHotSegments.length ? `${fmt2(hxHotQkW)} kW` : "—"} */}
                          "coming soon.."
                        </p>
                      </div>
                      <div>
                        {/* as is forpinch */}
                        <p className="text-sm font-medium">
                          Minimum approach temperature ( &Delta;T<sub>cont</sub>{" "}
                          )
                        </p>
                        <p>5 °C</p>
                      </div>
                      <div>
                        <p className="text-sm font-medium">Area</p>
                        <p>{hxHotArea ? `${hxHotArea.toFixed(2)} m²` : "-"}</p>
                      </div>
                    </div>
                  </AccordionContent>
                </AccordionItem>
 
                <AccordionItem value="cold side">
                  <AccordionTrigger variant="default">
                    Cold Side
                  </AccordionTrigger>
                  <AccordionContent>
                    <div className="flex flex-col gap-4">
                      <div>
                        <p className="text-sm font-medium">
                          Temperature Before
                        </p>
                        <p>
                          {hxColdSde?.temperatures?.inlet != null
                            ? fmt2(hxColdSde.temperatures.inlet)
                            : "—"}{" "}
                          °C
                        </p>
                      </div>
                      <div>
                        <p className="text-sm font-medium">Temperature After</p>
                        <p>
                          {hxColdSde?.temperatures?.outlet != null
                            ? fmt2(hxColdSde.temperatures.outlet)
                            : "—"}{" "}
                          °C
                        </p>
                      </div>
                      <div>
                        <p className="text-sm font-medium">
                          Temperature Difference
                        </p>
                        <p>
                          {hxColdTempDiff}
                          °C
                        </p>
                      </div>
                      <div>
                        <p className="text-sm font-medium">Heat Load</p>
                        <p>
                          {fmt2(hxColdSde?.heat_flow)}
                          kW
                        </p>
                      </div>
                      <div>
                        <p className="text-sm font-medium">Heat Transfer</p>
                        <p>
                          {/* {hxColdSegments.length? `${fmt2(hxColdQkW)} kW` : "—"} */}
                          coming soon..
                        </p>
                      </div>
                      <div>
                        <p className="text-sm font-medium">
                          Minimum approach temperature ( &Delta;T<sub>cont</sub>{" "}
                          )
                        </p>
                        <p>5 °C</p>
                      </div>
                      <div>
                        <p className="text-sm font-medium">Area</p>
                        <p>
                          {hxColdArea ? `${hxColdArea.toFixed(2)} m²` : "-"}
                        </p>
                      </div>
                    </div>
                  </AccordionContent>
                </AccordionItem>
                <AccordionItem value="annotations">
                  <AccordionTrigger variant="default">
                    <h4 id="annotations">Notes</h4>
                  </AccordionTrigger>
                  <AccordionContent>
                    <Notes simulationObjectId={hxObject?.id} />
                  </AccordionContent>
                </AccordionItem>
              </Accordion>
            </div>
          </>
        ) : (
          <>
            {/* Heater/Cooler */}
            <Accordion
              type="multiple"
              className="w-full"
              defaultValue={["properties"]}
            >
              <AccordionItem value="properties">
                <AccordionTrigger variant="default">
                  <h4>Properties</h4>
                </AccordionTrigger>
                <AccordionContent>
                  <div className="flex flex-col gap-4">
                    <div>
                      <p className="text-sm font-medium">Temperature Before</p>
                      <p className="text-sm">
                        {singleSde?.temperatures?.inlet != null
                          ? fmt2(singleSde.temperatures.inlet)
                          : "—"}{" "}
                        °C
                      </p>
                    </div>
                    <div>
                      <p className="text-sm font-medium">Temperature After</p>
                      <p className="text-sm">
                        {singleSde?.temperatures?.outlet != null
                          ? fmt2(singleSde.temperatures.outlet)
                          : "—"}{" "}
                        °C
                      </p>
                    </div>
                    <div>
                      <p className="text-sm font-medium">
                        Temperature Difference
                      </p>
                      <p>
                        {nonHxTempDiff}
                        °C
                      </p>
                    </div>
                    <div>
                      {nonHxObject?.objectType === "heater" ? (
                        <p className="text-sm font-medium">Heat Added</p>
                      ) : (
                        <p className="text-sm font-medium">Heat Removed</p>
                      )}
                      <p className="text-sm">
                        {nonHxObject?.properties.ContainedProperties[0].values[0]
                          .displayValue != null
                          ? fmt2(
                              nonHxObject?.properties.ContainedProperties[0]
                                .values[0].displayValue
                            )
                          : "—"}{" "}
                        {nonHxObject?.properties.ContainedProperties[0].unit}
                      </p>
                    </div>
                  </div>
                </AccordionContent>
              </AccordionItem>
              <AccordionItem value="annotations">
                <AccordionTrigger variant="default">
                  <h4 id="annotations">Notes</h4>
                </AccordionTrigger>
                <AccordionContent>
                  <Notes simulationObjectId={nonHxObject?.id} />
                </AccordionContent>
              </AccordionItem>
            </Accordion>
          </>
        )}
      </div>
    </ScrollArea>
  );
}