All files / src/pages/flowsheet-page/economics/cost-items-panel/depreciation CapitalDepreciationControls.tsx

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import { Label } from "@/ahuora-design-system/ui/label";
import {
  Select,
  SelectContent,
  SelectItem,
  SelectTrigger,
  SelectValue,
} from "@/ahuora-design-system/ui/select";
import {
  DepreciationModeEnum,
  type PatchedCapitalCostLine,
} from "@/api/apiStore.gen";
import { ValueWithFixedUnitField } from "../../shared/ui/EconomicsFormFields";
import type { CapitalDepreciationDraft } from "../model/capitalDepreciationDraft";
import type { FieldMessages } from "../model/capitalLineTypes";
import { FieldError } from "../ui/CapitalLineUi";
 
export function CapitalDepreciationControls({
  idPrefix,
  draft,
  disabled,
  fieldMessages,
  onPatch,
}: {
  idPrefix: string;
  draft: CapitalDepreciationDraft;
  disabled?: boolean;
  fieldMessages: FieldMessages;
  onPatch: (
    patch: PatchedCapitalCostLine,
    draftPatch: Partial<CapitalDepreciationDraft>,
  ) => void;
}) {
  const mode = draft.depreciation_mode;
  const custom = mode === DepreciationModeEnum.Custom;
  const modeId = `${idPrefix}-depreciation-mode`;
 
  return (
    <div className="contents">
      <div className="space-y-2">
        <Label htmlFor={modeId}>Depreciation treatment</Label>
        <Select
          value={mode}
          disabled={disabled}
          onValueChange={(value) => {
            const depreciationMode = value as DepreciationModeEnum;
            if (depreciationMode === DepreciationModeEnum.Custom) {
              const draftLifeYears = Number(draft.depreciation_life_years);
              const lifeYears =
                Number.isFinite(draftLifeYears) && draftLifeYears > 0
                  ? draftLifeYears
                  : 10;
              onPatch(
                {
                  depreciation_mode: depreciationMode,
                  depreciation_life_years: lifeYears,
                  depreciation_salvage_percent:
                    draft.depreciation_salvage_percent || "0.0000",
                },
                {
                  depreciation_mode: depreciationMode,
                  depreciation_life_years: String(lifeYears),
                  depreciation_salvage_percent:
                    draft.depreciation_salvage_percent || "0.0000",
                },
              );
              return;
            }
            onPatch(
              {
                depreciation_mode: depreciationMode,
                depreciation_life_years: null,
                depreciation_salvage_percent: null,
              },
              {
                depreciation_mode: depreciationMode,
                depreciation_life_years: "",
                depreciation_salvage_percent: "",
              },
            );
          }}
        >
          <SelectTrigger id={modeId}>
            <SelectValue />
          </SelectTrigger>
          <SelectContent>
            <SelectItem value={DepreciationModeEnum.StudyDefault}>
              Use study default
            </SelectItem>
            <SelectItem value={DepreciationModeEnum.Custom}>
              Custom equipment life
            </SelectItem>
            <SelectItem value={DepreciationModeEnum.Excluded}>
              Exclude from depreciation
            </SelectItem>
          </SelectContent>
        </Select>
        <FieldError
          id={`${modeId}-error`}
          message={fieldMessages.depreciation_mode}
        />
      </div>
      {custom ? (
        <>
          <ValueWithFixedUnitField
            id={`${idPrefix}-depreciation-life`}
            label="Equipment life"
            value={draft.depreciation_life_years}
            unit="years"
            unitDisplay="compact-field"
            disabled={disabled}
            error={fieldMessages.depreciation_life_years}
            errorTone="destructive"
            onValueChange={(value) =>
              onPatch(
                { depreciation_life_years: value ? Number(value) : null },
                { depreciation_life_years: value },
              )
            }
          />
          <ValueWithFixedUnitField
            id={`${idPrefix}-depreciation-salvage`}
            label="Residual value"
            value={draft.depreciation_salvage_percent}
            unit="%"
            unitDisplay="suffix"
            disabled={disabled}
            error={fieldMessages.depreciation_salvage_percent}
            errorTone="destructive"
            onValueChange={(value) =>
              onPatch(
                { depreciation_salvage_percent: value || null },
                { depreciation_salvage_percent: value },
              )
            }
          />
        </>
      ) : null}
    </div>
  );
}