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EconomicsDefaultRateRead,
EconomicsSettingsProfileRead,
} from "@/api/apiStore.gen";
import {
OperatingCostLineCategoryEnum,
RateTypeEnum,
ReviewStatusEnum,
ValueKindEnum,
} from "@/api/apiStore.gen";
import { MAINTENANCE_RATE_UNIT } from "../operating-lines-panel/model/types";
export const CUSTOM_DEFAULT_RATE_VALUE = "__custom__";
export const DEFAULT_RATE_TYPES = [
RateTypeEnum.Electricity,
RateTypeEnum.NaturalGas,
RateTypeEnum.FuelOil,
RateTypeEnum.Diesel,
RateTypeEnum.Steam,
RateTypeEnum.Maintenance,
] as const;
export type DefaultRateType = (typeof DEFAULT_RATE_TYPES)[number];
export type DefaultRateOverrideDraft = {
mode: "source" | "custom";
source_default_rate: string;
value: string;
unit: string;
boiler_efficiency_percent?: string;
steam_energy_gj_per_t?: string;
};
export type DefaultRateOverridesDraft = Record<
DefaultRateType,
DefaultRateOverrideDraft
>;
export function defaultRateOverridesDraftFromRead(
assumptions: EconomicsSettingsProfileRead | undefined,
defaultRates: EconomicsDefaultRateRead[],
): DefaultRateOverridesDraft {
return Object.fromEntries(
DEFAULT_RATE_TYPES.map((rateType) => [
rateType,
defaultRateOverrideDraftForType(rateType, assumptions, defaultRates),
]),
) as DefaultRateOverridesDraft;
}
export function serializeDefaultRateOverrides(
draft: DefaultRateOverridesDraft,
) {
return Object.fromEntries(
DEFAULT_RATE_TYPES.flatMap<
[DefaultRateType, SerializedDefaultRateOverride]
>((rateType) => {
const override = draft[rateType];
if (override.mode === "custom") {
Iif (!override.value.trim()) return [];
return [
[
rateType,
{
mode: "custom",
source_default_rate: null,
value: override.value.trim(),
unit: override.unit.trim(),
},
],
];
}
const sourceDefaultRate = nullableNumber(override.source_default_rate);
Iif (sourceDefaultRate == null) return [];
const sourceOverride: SerializedDefaultRateOverride = {
mode: "source",
source_default_rate: sourceDefaultRate,
};
if (
rateType === RateTypeEnum.Steam &&
override.boiler_efficiency_percent?.trim()
) {
sourceOverride.boiler_efficiency_percent =
override.boiler_efficiency_percent.trim();
}
if (
rateType === RateTypeEnum.Steam &&
override.steam_energy_gj_per_t?.trim()
) {
sourceOverride.steam_energy_gj_per_t =
override.steam_energy_gj_per_t.trim();
}
return [[rateType, sourceOverride]];
}),
);
}
type SerializedDefaultRateOverride =
| {
mode: "custom";
source_default_rate: null;
value: string;
unit: string;
}
| {
mode: "source";
source_default_rate: number;
boiler_efficiency_percent?: string;
steam_energy_gj_per_t?: string;
};
export function selectedOperatingDefaultForCategory(
category: OperatingCostLineCategoryEnum,
assumptions: EconomicsSettingsProfileRead | null | undefined,
defaultRates: EconomicsDefaultRateRead[],
) {
const rateType = rateTypeForCategory(category);
Iif (!rateType) return undefined;
return selectedOperatingDefaultForRateType(
rateType,
category,
assumptions,
defaultRates,
);
}
export function selectedOperatingDefaultForRateType(
rateType: RateTypeEnum,
category: OperatingCostLineCategoryEnum,
assumptions: EconomicsSettingsProfileRead | null | undefined,
defaultRates: EconomicsDefaultRateRead[],
) {
const draft = defaultRateOverrideDraftForType(
rateType,
assumptions ?? undefined,
defaultRates,
);
if (draft.mode === "custom") {
return {
sourceDefaultRate: null,
rateAmount: defaultRateCustomAmountForCategory(category, draft),
rateUnit: defaultOperatingRateUnitForCategory(
category,
draft.unit.trim(),
),
};
}
const rate = defaultRates.find(
(candidate) => String(candidate.id) === draft.source_default_rate,
);
Iif (!rate) return undefined;
return {
sourceDefaultRate: rate,
rateAmount: "",
rateUnit: defaultOperatingRateUnitForCategory(category, rate.display_unit),
};
}
export function sourceRatesForType(
rateType: RateTypeEnum,
defaultRates: EconomicsDefaultRateRead[],
) {
return defaultRates.filter((rate) => rate.rate_type === rateType);
}
export function rateTypeLabel(rateType: string) {
return rateType
.replace(/_/g, " ")
.replace(/\b\w/g, (letter) => letter.toUpperCase());
}
export function defaultRateOptionLabel(rate: EconomicsDefaultRateRead) {
const value = rate.value
? formatDefaultRateValue(rate.value)
: rate.rate_type === RateTypeEnum.Steam
? formatDefaultRateValue(rate.preview_value ?? "")
: "";
const rateText = value
? `${value} ${rate.display_unit}`.trim()
: rateStatusLabel(rate);
return [
defaultRateDisplayLabel(rate),
rate.source_label,
rate.source_year,
rateText,
]
.filter(Boolean)
.join(" ยท ");
}
function defaultRateDisplayLabel(rate: EconomicsDefaultRateRead) {
if (
rate.rate_type === RateTypeEnum.Steam &&
rate.value_kind === ValueKindEnum.DerivedTemplate
) {
return capitalizeLabel(rate.label.replace(/^Steam derived,\s*/i, ""));
}
return rate.label;
}
function capitalizeLabel(label: string) {
return label ? `${label.charAt(0).toUpperCase()}${label.slice(1)}` : label;
}
export function formatDefaultRateValue(value: string | null | undefined) {
Iif (value == null || value === "") return "";
const numericValue = Number(value);
Iif (!Number.isFinite(numericValue)) return value;
return new Intl.NumberFormat("en-NZ", {
maximumFractionDigits: numericValue < 1 ? 4 : 2,
}).format(numericValue);
}
export function defaultRateUnitForType(
rateType: RateTypeEnum,
assumptions: EconomicsSettingsProfileRead | undefined,
defaultRates: EconomicsDefaultRateRead[] = [],
) {
const backendOption = assumptions?.default_rate_unit_options?.[rateType]?.[0];
Iif (backendOption?.value) return backendOption.value;
return (
defaultRates.find((rate) => rate.rate_type === rateType)?.display_unit ?? ""
);
}
function defaultRateOverrideDraftForType(
rateType: RateTypeEnum,
assumptions: EconomicsSettingsProfileRead | undefined,
defaultRates: EconomicsDefaultRateRead[],
): DefaultRateOverrideDraft {
const saved = readDefaultRateOverride(assumptions, rateType);
if (saved?.mode === "custom") {
return {
mode: "custom",
source_default_rate: "",
value: typeof saved.value === "string" ? saved.value : "",
unit:
typeof saved.unit === "string" && saved.unit.trim()
? saved.unit
: defaultRateUnitForType(rateType, assumptions, defaultRates),
};
}
const savedSourceId =
saved?.mode === "source" && saved.source_default_rate != null
? String(saved.source_default_rate)
: "";
const savedSourceRate = defaultRates.find(
(rate) => rate.rate_type === rateType && String(rate.id) === savedSourceId,
);
if (savedSourceId && !savedSourceRate) {
return {
mode: "source",
source_default_rate: savedSourceId,
value: "",
unit: defaultRateUnitForType(rateType, assumptions, defaultRates),
boiler_efficiency_percent: readString(saved?.boiler_efficiency_percent),
steam_energy_gj_per_t: readString(saved?.steam_energy_gj_per_t),
};
}
const sourceRate =
savedSourceRate ??
defaultRates.find(
(rate) => rate.rate_type === rateType && isSelectableDefaultRate(rate),
);
if (!sourceRate) {
return {
mode: "custom",
source_default_rate: "",
value: "",
unit: defaultRateUnitForType(rateType, assumptions, defaultRates),
};
}
return {
mode: "source",
source_default_rate: String(sourceRate.id),
value: sourceRate.value ?? "",
unit:
sourceRate.display_unit ||
defaultRateUnitForType(rateType, assumptions, defaultRates),
boiler_efficiency_percent:
readString(saved?.boiler_efficiency_percent) ||
metadataString(sourceRate?.metadata, "default_boiler_efficiency_percent"),
steam_energy_gj_per_t:
readString(saved?.steam_energy_gj_per_t) ||
metadataString(sourceRate?.metadata, "steam_energy_gj_per_t"),
};
}
function readDefaultRateOverride(
assumptions: EconomicsSettingsProfileRead | undefined,
rateType: RateTypeEnum,
) {
const overrides = (assumptions as { default_rate_overrides?: unknown })
?.default_rate_overrides;
if (!overrides || typeof overrides !== "object" || Array.isArray(overrides)) {
return undefined;
}
const override = (overrides as Record<string, unknown>)[rateType];
if (!override || typeof override !== "object" || Array.isArray(override)) {
return undefined;
}
return override as {
mode?: string;
source_default_rate?: string | number | null;
value?: string;
unit?: string;
boiler_efficiency_percent?: string;
steam_energy_gj_per_t?: string;
};
}
function metadataString(metadata: unknown, key: string) {
if (!metadata || typeof metadata !== "object" || Array.isArray(metadata)) {
return "";
}
return readString((metadata as Record<string, unknown>)[key]);
}
function readString(value: unknown) {
return typeof value === "string" ? value : "";
}
function isReviewedNumericDefault(rate: EconomicsDefaultRateRead) {
return (
rate.review_status === ReviewStatusEnum.Reviewed &&
rate.value_kind === ValueKindEnum.ReviewedDefault &&
rate.is_numeric_default_available
);
}
function isSelectableDefaultRate(rate: EconomicsDefaultRateRead) {
return isReviewedNumericDefault(rate) || rate.is_derived_template;
}
function rateStatusLabel(rate: EconomicsDefaultRateRead) {
return rate.is_derived_template
? "Derived template"
: rate.is_unavailable
? "Unavailable"
: "No numeric default";
}
export function rateTypeForCategory(category: OperatingCostLineCategoryEnum) {
if (category === OperatingCostLineCategoryEnum.Energy) {
return RateTypeEnum.Electricity;
}
if (category === OperatingCostLineCategoryEnum.Maintenance) {
return RateTypeEnum.Maintenance;
}
return undefined;
}
function defaultRateCustomAmountForCategory(
category: OperatingCostLineCategoryEnum,
draft: DefaultRateOverrideDraft,
) {
if (
category === OperatingCostLineCategoryEnum.Maintenance &&
draft.unit.trim().startsWith("%")
) {
const parsed = Number(draft.value);
Iif (Number.isFinite(parsed)) return String(parsed / 100);
}
return draft.value.trim();
}
function defaultOperatingRateUnitForCategory(
category: OperatingCostLineCategoryEnum,
fallbackUnit: string,
) {
if (category === OperatingCostLineCategoryEnum.Maintenance) {
return MAINTENANCE_RATE_UNIT;
}
return fallbackUnit;
}
function nullableNumber(value: string) {
const trimmed = value.trim();
Iif (!trimmed) return null;
const parsed = Number(trimmed);
return Number.isFinite(parsed) ? parsed : null;
}
|