All files / src/pages/flowsheet-page/economics/cost-items-panel/unit-costs UnitCostCard.tsx

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import { ChevronDown } from "lucide-react";
import { useEffect, useMemo, useRef, useState } from "react";
import { Badge } from "@/ahuora-design-system/ui/badge";
import { Button } from "@/ahuora-design-system/ui/button";
import type {
  CapitalCostLineRead,
  CostableItemRead,
  CostCurveAuthoring,
  CostCurveEquipmentCategoryRead,
  CostCurveRead,
  CostDriverRead,
  EconomicsLangFactorDefaultRead,
  EconomicsResultLineRead,
  EquipmentMappingRead,
  PatchedCapitalCostLine,
  PatchedCostableItem,
  PatchedEquipmentMapping,
  SimulationObjectRead,
} from "@/api/apiStore.gen";
import { DepreciationModeEnum } from "@/api/apiStore.gen";
import { cn } from "@/lib/utils";
import { CapitalCostBreakdown } from "../../capital/EconomicsCapitalBreakdown";
import {
  apiFieldMessages,
  CostCurveDriverInputsControls,
  hasInvalidDriverSpecPayload,
  mutationErrorMessage,
  requiredDriverSpecsFromCurve,
} from "../../cost-curves";
import { scrollElementIntoEconomicsContext } from "../../shared/model/economicsScroll";
import { ValueWithFixedUnitField } from "../../shared/ui/EconomicsFormFields";
import { EconomicsWarningNotice } from "../../shared/ui/EconomicsWarningNotice";
import { CapitalDepreciationControls } from "../depreciation/CapitalDepreciationControls";
import { MappingControls } from "../mapping/MappingControls";
import {
  type CapitalDepreciationDraft,
  capitalDepreciationDraftFromLine,
} from "../model/capitalDepreciationDraft";
import {
  capitalLineEstimateLabel,
  costDriverSizingLabel,
  costDriverSizingValueLabel,
  costItemWarningGroups,
  formatUnitOperationType,
  isStaleUnsupportedSupportedUnit,
  isUnsupportedUnitCost,
  usesInstalledCostBasis,
  visibleMappingFieldMessages,
  visibleUnitSaveState,
} from "../model/capitalLineHelpers";
import {
  FOCUSED_CONTEXT_SCROLL_CLASS,
  type ResourceFieldMessages,
  type ResourceSaveStates,
  type SaveState,
  type UnitCostRow,
} from "../model/capitalLineTypes";
import { FormState, WarningList } from "../ui/CapitalLineUi";
import { UnitInclusionControl } from "./UnitInclusionControl";
 
export function UnitCostCard({
  row,
  curves,
  equipmentOptions,
  langFactorDefaults,
  capitalLine,
  resultLines,
  canEdit,
  busy,
  onEnableCosting,
  onCostableItemPatch,
  onMappingPatch,
  onCapitalLinePatch,
  onCreateCurve,
  costCurveSaving,
  resultStale,
  resultRunId,
  isFocused,
}: {
  row: UnitCostRow;
  curves: CostCurveRead[];
  equipmentOptions: readonly CostCurveEquipmentCategoryRead[];
  langFactorDefaults: EconomicsLangFactorDefaultRead[];
  capitalLine?: CapitalCostLineRead;
  resultLines: EconomicsResultLineRead[];
  canEdit: boolean;
  busy: boolean;
  onEnableCosting: (unit: SimulationObjectRead) => Promise<void>;
  onCostableItemPatch: (
    item: CostableItemRead,
    patch: PatchedCostableItem,
  ) => Promise<void>;
  onMappingPatch: (
    mapping: EquipmentMappingRead,
    patch: PatchedEquipmentMapping,
  ) => Promise<void>;
  onCapitalLinePatch: (
    line: CapitalCostLineRead,
    patch: PatchedCapitalCostLine,
  ) => Promise<void>;
  onCreateCurve: (curve: CostCurveAuthoring) => Promise<CostCurveRead>;
  costCurveSaving: boolean;
  resultStale: boolean;
  resultRunId: number | null;
  isFocused?: boolean;
}) {
  const item = row.costableItem;
  const unitName = row.unit.componentName || `Unit ${row.unit.id}`;
  const unsupportedByCostDriver =
    item?.cost_driver?.unresolved_reason_code === "unit_unsupported";
  const unsupported = isUnsupportedUnitCost(row) || unsupportedByCostDriver;
  const staleUnsupportedSupportedUnit = isStaleUnsupportedSupportedUnit(row);
  const controlsUnavailable = staleUnsupportedSupportedUnit;
  const mapping = controlsUnavailable ? undefined : item?.equipment_mapping;
  const driver = controlsUnavailable ? undefined : item?.cost_driver;
  const selectedCurve = curves.find(
    (curve) => curve.id === mapping?.cost_curve,
  );
  const curveSummary = mapping
    ? (selectedCurve?.name ?? "No curve selected")
    : "";
  const sizingSummary = costDriverSizingLabel(driver);
  const sizingValueSummary = costDriverSizingValueLabel(driver, capitalLine);
  const unitTypeSummary = formatUnitOperationType(row.unit.objectType);
  const estimateSummary = capitalLineEstimateLabel(capitalLine);
  const detailSummary = curveSummary;
  const warningGroups = costItemWarningGroups({
    capitalLine,
    driver,
    mapping,
    selectedCurve,
  });
  const unitResultLines = item
    ? resultLines.filter((line) => line.source_costable_item === item.id)
    : [];
  const [saveState, setSaveState] = useState<SaveState>({ kind: "idle" });
  const [fieldMessagesByResource, setFieldMessagesByResource] =
    useState<ResourceFieldMessages>({});
  const [saveStatesByResource, setSaveStatesByResource] =
    useState<ResourceSaveStates>({});
  const [open, setOpen] = useState(false);
  const articleRef = useRef<HTMLElement | null>(null);
  const saveTimeoutRefs = useRef<Record<string, number>>({});
  const pendingMappingPatch = useRef<PatchedEquipmentMapping>({});
  const pendingCostablePatch = useRef<PatchedCostableItem>({});
  const pendingCapitalLinePatch = useRef<PatchedCapitalCostLine>({});
 
  useEffect(() => {
    const saveTimeouts = saveTimeoutRefs.current;
    return () => {
      Object.values(saveTimeouts).forEach((timeoutId) =>
        window.clearTimeout(timeoutId),
      );
    };
  }, []);
 
  useEffect(() => {
    if (!isFocused) return;
    setOpen(true);
    window.requestAnimationFrame(() => {
      if (articleRef.current) {
        scrollElementIntoEconomicsContext(articleRef.current);
      }
      articleRef.current?.focus();
    });
  }, [isFocused, row.unit.id]);
 
  const scheduleSave = (
    key: string,
    action: () => Promise<void>,
    successMessage: string,
    delay = true,
  ) => {
    if (saveTimeoutRefs.current[key]) {
      window.clearTimeout(saveTimeoutRefs.current[key]);
    }
    setFieldMessagesByResource((current) => {
      if (!current[key]) return current;
      const next = { ...current };
      delete next[key];
      return next;
    });
    setSaveStatesByResource((current) => ({
      ...current,
      [key]: { kind: "saving", message: "Saving capital line" },
    }));
    setSaveState({ kind: "saving", message: "Saving capital line" });
    const run = async () => {
      try {
        await action();
        setFieldMessagesByResource((current) => {
          if (!current[key]) return current;
          const next = { ...current };
          delete next[key];
          return next;
        });
        setSaveStatesByResource((current) => ({
          ...current,
          [key]: { kind: "saved", message: successMessage },
        }));
        setSaveState({ kind: "saved", message: successMessage });
      } catch (error) {
        setFieldMessagesByResource((current) => ({
          ...current,
          [key]: apiFieldMessages(error),
        }));
        setSaveStatesByResource((current) => ({
          ...current,
          [key]: {
            kind: "error",
            message: mutationErrorMessage(error),
          },
        }));
        setSaveState({
          kind: "error",
          message: mutationErrorMessage(error),
        });
      }
    };
    if (delay) {
      saveTimeoutRefs.current[key] = window.setTimeout(run, 300);
    } else {
      void run();
    }
  };
 
  const saveMapping = (patch: PatchedEquipmentMapping) => {
    Iif (!mapping) return;
    pendingMappingPatch.current = { ...pendingMappingPatch.current, ...patch };
    scheduleSave(
      `mapping-${mapping.id}`,
      () => {
        const mergedPatch = pendingMappingPatch.current;
        pendingMappingPatch.current = {};
        return onMappingPatch(mapping, mergedPatch);
      },
      "Capital settings saved",
      true,
    );
  };
 
  const saveCostableItem = (patch: PatchedCostableItem) => {
    Iif (!item) return;
    pendingCostablePatch.current = {
      ...pendingCostablePatch.current,
      ...patch,
    };
    scheduleSave(
      `costable-${item.id}`,
      () => {
        const mergedPatch = pendingCostablePatch.current;
        pendingCostablePatch.current = {};
        return onCostableItemPatch(item, mergedPatch);
      },
      "Unit inclusion saved",
      true,
    );
  };
 
  const saveCapitalLine = (
    patch: PatchedCapitalCostLine,
    successMessage = "Peak demand saved",
  ) => {
    Iif (!capitalLine) return;
    pendingCapitalLinePatch.current = {
      ...pendingCapitalLinePatch.current,
      ...patch,
    };
    scheduleSave(
      `capital-line-${capitalLine.id}`,
      () => {
        const mergedPatch = pendingCapitalLinePatch.current;
        pendingCapitalLinePatch.current = {};
        return onCapitalLinePatch(capitalLine, mergedPatch);
      },
      successMessage,
      true,
    );
  };
 
  const costableResourceKey = item ? `costable-${item.id}` : "";
  const mappingResourceKey = mapping ? `mapping-${mapping.id}` : "";
  const capitalLineResourceKey = capitalLine
    ? `capital-line-${capitalLine.id}`
    : "";
  const capitalLineSaveState = capitalLine
    ? saveStatesByResource[capitalLineResourceKey]
    : undefined;
  const [peakDemandValue, setPeakDemandValue] = useStablePeakDemandValue(
    capitalLine,
    capitalLineSaveState,
  );
  const [depreciationDraft, setDepreciationDraft] =
    useStableCapitalDepreciationDraft(capitalLine, capitalLineSaveState);
  const patchDepreciation = (
    patch: PatchedCapitalCostLine,
    draftPatch: Partial<CapitalDepreciationDraft>,
  ) => {
    setDepreciationDraft(draftPatch);
    saveCapitalLine(patch, "Depreciation treatment saved");
  };
  const showPeakDemandField = capitalLine?.minimum_peak_demand_kw != null;
  const rawMappingFieldMessages = mapping
    ? (fieldMessagesByResource[mappingResourceKey] ?? {})
    : {};
  const requiredMessages = requiredCapitalLineMessages({
    item,
    mapping,
    driver,
    selectedCurve,
    capitalLine,
    peakDemandValue,
  });
  const apiVisibleMappingFieldMessages = mapping
    ? visibleMappingFieldMessages(mapping, rawMappingFieldMessages)
    : {};
  const mappingFieldMessages = {
    ...apiVisibleMappingFieldMessages,
    ...requiredMessages.mapping,
  };
  const capitalLineFieldMessages = {
    ...(fieldMessagesByResource[capitalLineResourceKey] ?? {}),
    ...requiredMessages.capitalLine,
  };
  const depreciationControls = capitalLine ? (
    <CapitalDepreciationControls
      idPrefix={`unit-capital-${capitalLine.id}`}
      draft={depreciationDraft}
      disabled={!canEdit || busy}
      fieldMessages={capitalLineFieldMessages}
      onPatch={patchDepreciation}
    />
  ) : null;
  const visibleSaveState = mapping
    ? visibleUnitSaveState(
        saveState,
        rawMappingFieldMessages,
        apiVisibleMappingFieldMessages,
      )
    : saveState;
  const detailsId = `unit-cost-details-${row.unit.id}`;
  const peakDemandField =
    showPeakDemandField && capitalLine ? (
      <ValueWithFixedUnitField
        id={`capital-peak-demand-${capitalLine.id}`}
        label="Peak demand"
        help="Electrical-upgrade demand for this unit. Must be at least the current flowsheet work."
        value={peakDemandValue}
        unit="kW"
        unitDisplay="compact-field"
        disabled={!canEdit || busy}
        error={capitalLineFieldMessages.peak_demand_kw}
        onValueChange={(value) => {
          setPeakDemandValue(value);
          saveCapitalLine({ peak_demand_kw: value || null });
        }}
      />
    ) : null;
  const selectedCurveDriverSpecs = requiredDriverSpecsFromCurve(selectedCurve);
  const selectedCurveHasInvalidDriverSpecs =
    hasInvalidDriverSpecPayload(selectedCurve);
  const usesCapitalLineDriverInputs =
    selectedCurveDriverSpecs.length > 0 &&
    !selectedCurveHasInvalidDriverSpecs &&
    Boolean(driver && capitalLine);
  const selectedSpecBackedCurveWithoutCapitalLine = Boolean(
    driver &&
      selectedCurve &&
      selectedCurveDriverSpecs.length > 0 &&
      !selectedCurveHasInvalidDriverSpecs &&
      !capitalLine,
  );
  // Keyed remounting resets optimistic capital-line driver input state when the
  // selected curve or persisted line changes, without synchronizing props into
  // local state with an effect.
  const driverInputsControlsKey =
    selectedCurve && capitalLine
      ? `${selectedCurve.id}:${selectedCurve.updated_at}:${capitalLine.id}:${JSON.stringify(capitalLine.driver_inputs ?? {})}`
      : "";
  const driverControls =
    selectedCurveHasInvalidDriverSpecs ? null : selectedSpecBackedCurveWithoutCapitalLine ? (
      <PendingCapitalLineInputsNotice />
    ) : driver &&
      usesCapitalLineDriverInputs &&
      selectedCurve &&
      capitalLine ? (
      <CostCurveDriverInputsControls
        key={driverInputsControlsKey}
        driver={driver}
        capitalLine={capitalLine}
        selectedCurve={selectedCurve}
        canEdit={canEdit}
        busy={busy}
        error={capitalLineFieldMessages.driver_inputs}
        sizingWarnings={warningGroups.sizing}
        onCapitalLinePatch={(patch) =>
          saveCapitalLine(patch, "Capital inputs saved")
        }
      />
    ) : unsupportedByCostDriver || !driver ? (
      <DefaultDriverSummary unsupported={unsupported} />
    ) : null;
  const mappingDriverControls =
    selectedCurveHasInvalidDriverSpecs ? null : selectedSpecBackedCurveWithoutCapitalLine ? (
      <PendingCapitalLineInputsNotice />
    ) : driver &&
      usesCapitalLineDriverInputs &&
      selectedCurve &&
      capitalLine ? (
      <CostCurveDriverInputsControls
        key={driverInputsControlsKey}
        driver={driver}
        capitalLine={capitalLine}
        selectedCurve={selectedCurve}
        canEdit={canEdit}
        busy={busy}
        error={capitalLineFieldMessages.driver_inputs}
        sizingWarnings={warningGroups.sizing}
        className="contents"
        onCapitalLinePatch={(patch) =>
          saveCapitalLine(patch, "Capital inputs saved")
        }
      />
    ) : unsupportedByCostDriver || !driver ? (
      <DefaultDriverSummary unsupported={unsupported} />
    ) : null;
 
  return (
    <article
      ref={articleRef}
      tabIndex={-1}
      className={cn(
        "rounded-md border bg-background",
        FOCUSED_CONTEXT_SCROLL_CLASS,
        isFocused ? "bg-primary/5 outline outline-1 outline-primary" : null,
      )}
      aria-label={`Capital lines for ${unitName}`}
    >
      <div className="grid grid-cols-[minmax(0,1fr)_auto] items-stretch">
        <button
          type="button"
          className="min-w-0 px-3 py-2 text-left hover:bg-muted/30"
          aria-label={`Toggle capital line item ${unitName}`}
          aria-expanded={open}
          aria-controls={detailsId}
          onClick={() => setOpen((current) => !current)}
        >
          <div className="min-w-0">
            <div className="flex min-w-0 items-center gap-2">
              <div className="min-w-0 truncate text-sm font-medium">
                {unitName}
              </div>
              {detailSummary && (
                <Badge
                  variant={selectedCurve ? "muted" : "pending"}
                  size="xs"
                  borderRadius="round"
                  className="h-[22px] max-w-[min(32rem,70%)] min-w-0 truncate"
                >
                  {detailSummary}
                </Badge>
              )}
            </div>
            <div className="mt-2 grid gap-2 text-xs text-muted-foreground sm:grid-cols-4">
              <SummaryMetric label="Type" value={unitTypeSummary} />
              <SummaryMetric label="Sizing" value={sizingSummary} />
              <SummaryMetric label="Sizing value" value={sizingValueSummary} />
              <SummaryMetric label="Capital cost" value={estimateSummary} />
            </div>
          </div>
        </button>
        <div className="flex flex-wrap items-center justify-end gap-2 px-2 py-2">
          {isFocused && (
            <Badge variant="secondary" size="xs" borderRadius="round">
              Selected unit
            </Badge>
          )}
          {item && !staleUnsupportedSupportedUnit && (
            <UnitInclusionControl
              item={item}
              canEdit={canEdit}
              error={fieldMessagesByResource[costableResourceKey]?.included}
              saveState={saveStatesByResource[costableResourceKey]}
              onChange={(included) => saveCostableItem({ included })}
            />
          )}
          {(!item || staleUnsupportedSupportedUnit) && (
            <Button
              type="button"
              size="sm"
              disabled={!canEdit || busy}
              aria-label={`Enable capital line for ${unitName}`}
              onClick={() => {
                scheduleSave(
                  `enable-${row.unit.id}`,
                  () => onEnableCosting(row.unit),
                  "Capital line enabled",
                  false,
                );
              }}
            >
              Enable capital line
            </Button>
          )}
          <Button
            type="button"
            size="sm"
            variant="ghost"
            className="h-8 px-2 text-muted-foreground"
            aria-label={`${open ? "Collapse" : "Expand"} capital line item ${unitName}`}
            aria-expanded={open}
            aria-controls={detailsId}
            onClick={() => setOpen((current) => !current)}
          >
            <ChevronDown
              className={`size-4 shrink-0 transition-transform ${
                open ? "rotate-180" : ""
              }`}
              aria-hidden="true"
            />
          </Button>
        </div>
      </div>
      {open && (
        <div id={detailsId} className="border-t p-3">
          <FormState state={visibleSaveState} />
          <div className="space-y-3">
            {mapping ? (
              <MappingControls
                mapping={mapping}
                unitObjectType={row.unit.objectType}
                driverControls={mappingDriverControls}
                selectedCurve={selectedCurve}
                warningGroups={warningGroups}
                curves={curves}
                equipmentOptions={equipmentOptions}
                langFactorDefaults={langFactorDefaults}
                canEdit={canEdit}
                onMappingPatch={saveMapping}
                onCreateCurve={onCreateCurve}
                costCurveSaving={costCurveSaving}
                fieldMessages={mappingFieldMessages}
                saveState={saveStatesByResource[mappingResourceKey]}
              >
                {peakDemandField}
                {depreciationControls}
              </MappingControls>
            ) : (
              <>
                {driverControls}
                <DefaultMappingSummary />
                <WarningList
                  label="Capital warnings"
                  warnings={warningGroups.general}
                />
                {peakDemandField}
                {depreciationControls}
              </>
            )}
            <CapitalCostBreakdown
              lines={unitResultLines}
              stale={resultStale}
              runId={resultRunId}
              unitName={row.unit.componentName}
            />
          </div>
        </div>
      )}
    </article>
  );
}
 
function SummaryMetric({ label, value }: { label: string; value: string }) {
  return (
    <span className="min-w-0">
      <span className="block text-[11px] uppercase text-muted-foreground/80">
        {label}
      </span>
      <span className="block truncate text-foreground">{value}</span>
    </span>
  );
}
 
function useStablePeakDemandValue(
  capitalLine: CapitalCostLineRead | undefined,
  saveState?: SaveState,
): [string, (value: string) => void] {
  const canonicalValue =
    capitalLine?.peak_demand_kw ?? capitalLine?.minimum_peak_demand_kw ?? "";
  const canonicalKey = `${capitalLine?.id ?? ""}|${canonicalValue}|${capitalLine?.updated_at ?? ""}`;
  const [draftValue, setDraftValue] = useState(canonicalValue);
  const [draftDirty, setDraftDirty] = useState(false);
  const editBaseCanonicalKeyRef = useRef(canonicalKey);
  const pending = saveState?.kind === "saving";
 
  useEffect(() => {
    if (draftValue === canonicalValue) {
      editBaseCanonicalKeyRef.current = canonicalKey;
      setDraftDirty(false);
      return;
    }
    if (draftDirty && pending) {
      editBaseCanonicalKeyRef.current = canonicalKey;
      return;
    }
    Iif (draftDirty && saveState?.kind === "error") return;
    if (
      draftDirty &&
      saveState?.kind === "saved" &&
      canonicalKey === editBaseCanonicalKeyRef.current
    ) {
      return;
    }
    setDraftValue(canonicalValue);
    editBaseCanonicalKeyRef.current = canonicalKey;
    setDraftDirty(false);
  }, [
    canonicalKey,
    canonicalValue,
    draftDirty,
    draftValue,
    pending,
    saveState?.kind,
  ]);
 
  const setDirtyDraftValue = (value: string) => {
    editBaseCanonicalKeyRef.current = canonicalKey;
    setDraftValue(value);
    setDraftDirty(true);
  };
 
  return [draftValue, setDirtyDraftValue];
}
 
function useStableCapitalDepreciationDraft(
  capitalLine: CapitalCostLineRead | undefined,
  saveState?: SaveState,
): [
  CapitalDepreciationDraft,
  (draftPatch: Partial<CapitalDepreciationDraft>) => void,
] {
  const canonicalDraft = useMemo(
    () =>
      capitalLine
        ? capitalDepreciationDraftFromLine(capitalLine)
        : {
            depreciation_mode: DepreciationModeEnum.StudyDefault,
            depreciation_life_years: "",
            depreciation_salvage_percent: "",
          },
    [capitalLine],
  );
  const canonicalKey = capitalLine
    ? [
        capitalLine.id,
        capitalLine.updated_at,
        canonicalDraft.depreciation_mode,
        canonicalDraft.depreciation_life_years,
        canonicalDraft.depreciation_salvage_percent,
      ].join("|")
    : "none";
  const [draft, setDraft] = useState(canonicalDraft);
  const [draftDirty, setDraftDirty] = useState(false);
  const editBaseCanonicalKeyRef = useRef(canonicalKey);
  const pending = saveState?.kind === "saving";
 
  useEffect(() => {
    if (
      draft.depreciation_mode === canonicalDraft.depreciation_mode &&
      draft.depreciation_life_years ===
        canonicalDraft.depreciation_life_years &&
      draft.depreciation_salvage_percent ===
        canonicalDraft.depreciation_salvage_percent
    ) {
      editBaseCanonicalKeyRef.current = canonicalKey;
      setDraftDirty(false);
      return;
    }
    if (draftDirty && pending) {
      editBaseCanonicalKeyRef.current = canonicalKey;
      return;
    }
    Iif (draftDirty && saveState?.kind === "error") return;
    if (
      draftDirty &&
      saveState?.kind === "saved" &&
      canonicalKey === editBaseCanonicalKeyRef.current
    ) {
      return;
    }
    setDraft(canonicalDraft);
    editBaseCanonicalKeyRef.current = canonicalKey;
    setDraftDirty(false);
  }, [
    canonicalDraft,
    canonicalKey,
    draft,
    draftDirty,
    pending,
    saveState?.kind,
  ]);
 
  const setDirtyDraft = (draftPatch: Partial<CapitalDepreciationDraft>) => {
    editBaseCanonicalKeyRef.current = canonicalKey;
    setDraft((current) => ({ ...current, ...draftPatch }));
    setDraftDirty(true);
  };
 
  return [draft, setDirtyDraft];
}
 
function requiredCapitalLineMessages({
  item,
  mapping,
  driver,
  selectedCurve,
  capitalLine,
  peakDemandValue,
}: {
  item?: CostableItemRead;
  mapping?: EquipmentMappingRead;
  driver?: CostDriverRead;
  selectedCurve?: CostCurveRead;
  capitalLine?: CapitalCostLineRead;
  peakDemandValue: string;
}) {
  const active = Boolean(item?.included);
  const mappingMessages: Record<string, string> = {};
  const capitalLineMessages: Record<string, string> = {};
  if (!active) {
    return {
      mapping: mappingMessages,
      capitalLine: capitalLineMessages,
    };
  }
  if (mapping && !mapping.cost_curve) {
    mappingMessages.cost_curve = "Select a cost curve.";
  }
  if (mapping && !selectedCurve && mapping.cost_curve) {
    mappingMessages.cost_curve = "Selected cost curve is not available.";
  }
  if (
    mapping &&
    !usesInstalledCostBasis(mapping, selectedCurve) &&
    !mapping.use_study_lang_factor &&
    !hasFieldValue(mapping.install_factor)
  ) {
    mappingMessages.install_factor =
      "Enter a Lang factor value or use the study default.";
  }
  if (driver && selectedCurve) {
    const specs = requiredDriverSpecsFromCurve(selectedCurve);
    if (
      specs.length > 0 &&
      !capitalLineHasRequiredDriverInputs(capitalLine, selectedCurve)
    ) {
      capitalLineMessages.driver_inputs =
        "Select a compatible property or enter a custom value for every required input.";
    }
  }
  if (
    capitalLine &&
    capitalLine.minimum_peak_demand_kw != null &&
    !hasFieldValue(peakDemandValue)
  ) {
    capitalLineMessages.peak_demand_kw = "Enter a peak demand.";
  }
  return {
    mapping: mappingMessages,
    capitalLine: capitalLineMessages,
  };
}
 
function capitalLineHasRequiredDriverInputs(
  capitalLine: CapitalCostLineRead | undefined,
  selectedCurve: CostCurveRead,
) {
  const specs = requiredDriverSpecsFromCurve(selectedCurve);
  Iif (specs.length === 0) return false;
  const inputs =
    capitalLine?.driver_inputs && typeof capitalLine.driver_inputs === "object"
      ? capitalLine.driver_inputs
      : {};
  return specs.every((spec) => {
    const input = inputs[spec.key];
    Iif (!input) return false;
    return input.source === "property"
      ? Boolean(input.property_info)
      : input.source === "manual" && hasFieldValue(input.manual_value);
  });
}
 
function hasFieldValue(value: unknown) {
  return value != null && String(value).trim() !== "";
}
 
function DefaultDriverSummary({
  unsupported = false,
}: {
  unsupported?: boolean;
}) {
  return (
    <div className="text-sm text-muted-foreground">
      {unsupported
        ? "No default sizing template is available for this unit operation yet."
        : "Sizing value is available after enablement."}
    </div>
  );
}
 
function PendingCapitalLineInputsNotice() {
  return (
    <EconomicsWarningNotice aria-label="Capital input setup warning">
      Capital inputs are available after the generated capital line is created.
    </EconomicsWarningNotice>
  );
}
 
function DefaultMappingSummary() {
  return (
    <div className="text-sm text-muted-foreground">
      Cost settings are available after enablement.
    </div>
  );
}