274 lines
7.8 KiB
TypeScript
274 lines
7.8 KiB
TypeScript
import { InputServiceLine } from "@repo/db/types";
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import Decimal from "decimal.js";
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import rawCodeTable from "@/assets/data/procedureCodes.json";
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import { PROCEDURE_COMBOS } from "./procedureCombos";
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/* ----------------------------- Types ----------------------------- */
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export type CodeRow = {
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"Procedure Code": string;
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Description?: string;
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Price?: string | number | null;
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PriceLTEQ21?: string | number | null;
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PriceGT21?: string | number | null;
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[k: string]: unknown;
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};
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const CODE_TABLE = rawCodeTable as CodeRow[];
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export type ClaimFormLike = {
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serviceDate: string; // form-level service date
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serviceLines: InputServiceLine[];
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};
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export type ApplyOptions = {
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append?: boolean;
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startIndex?: number;
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lineDate?: string;
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clearTrailing?: boolean;
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replaceAll?: boolean;
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};
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/* ----------------------------- Helpers ----------------------------- */
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export const COMBO_BUTTONS = Object.values(PROCEDURE_COMBOS).map((c) => ({
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id: c.id,
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label: c.label,
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}));
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// Build a fast lookup map keyed by normalized code
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const normalizeCode = (code: string) => code.replace(/\s+/g, "").toUpperCase();
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const CODE_MAP: Map<string, CodeRow> = (() => {
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const m = new Map<string, CodeRow>();
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for (const r of CODE_TABLE) {
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const k = normalizeCode(String(r["Procedure Code"] || ""));
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if (k && !m.has(k)) m.set(k, r);
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}
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return m;
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})();
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// this function is solely for abbrevations feature in claim-form
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export function getDescriptionForCode(
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code: string | undefined
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): string | undefined {
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if (!code) return undefined;
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const row = CODE_MAP.get(normalizeCode(code));
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return row?.Description;
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}
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const isBlankPrice = (v: unknown) => {
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if (v == null) return true;
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const s = String(v).trim().toUpperCase();
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return s === "" || s === "IC" || s === "NC";
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};
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const toDecimalOrZero = (v: unknown): Decimal => {
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if (isBlankPrice(v)) return new Decimal(0);
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const n = typeof v === "string" ? parseFloat(v) : (v as number);
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return new Decimal(Number.isFinite(n) ? n : 0);
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};
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// Accepts string or Date, supports MM/DD/YYYY and YYYY-MM-DD
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type DateInput = string | Date;
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const parseDate = (d: DateInput): Date => {
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if (d instanceof Date)
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return new Date(d.getFullYear(), d.getMonth(), d.getDate());
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const s = String(d).trim();
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// MM/DD/YYYY
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const mdy = /^(\d{2})\/(\d{2})\/(\d{4})$/;
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const m1 = mdy.exec(s);
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if (m1) {
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const mm = Number(m1[1]);
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const dd = Number(m1[2]);
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const yyyy = Number(m1[3]);
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return new Date(yyyy, mm - 1, dd);
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}
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// YYYY-MM-DD
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const ymd = /^(\d{4})-(\d{2})-(\d{2})$/;
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const m2 = ymd.exec(s);
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if (m2) {
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const yyyy = Number(m2[1]);
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const mm = Number(m2[2]);
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const dd = Number(m2[3]);
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return new Date(yyyy, mm - 1, dd);
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}
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// Fallback
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return new Date(s);
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};
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const ageOnDate = (dob: DateInput, on: DateInput): number => {
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const birth = parseDate(dob);
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const ref = parseDate(on);
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let age = ref.getFullYear() - birth.getFullYear();
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const hadBirthday =
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ref.getMonth() > birth.getMonth() ||
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(ref.getMonth() === birth.getMonth() && ref.getDate() >= birth.getDate());
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if (!hadBirthday) age -= 1;
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return age;
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};
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/**
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* Price chooser that respects your age rules and IC/NC semantics.
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* - If <=21 → PriceLTEQ21 (if present and not IC/NC/blank) else Price.
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* - If >21 → PriceGT21 (if present and not IC/NC/blank) else Price.
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* - If chosen field is IC/NC/blank → 0 (leave empty).
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*/
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export function pickPriceForRowByAge(row: CodeRow, age: number): Decimal {
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if (age <= 21) {
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if (!isBlankPrice(row.PriceLTEQ21)) return toDecimalOrZero(row.PriceLTEQ21);
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} else {
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if (!isBlankPrice(row.PriceGT21)) return toDecimalOrZero(row.PriceGT21);
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}
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// Fallback to Price if tiered not available/blank
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if (!isBlankPrice(row.Price)) return toDecimalOrZero(row.Price);
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return new Decimal(0);
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}
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/**
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* Gets price for a code using age & code table.
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*/
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function getPriceForCodeWithAgeFromMap(
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map: Map<string, CodeRow>,
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code: string,
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age: number
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): Decimal {
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const row = map.get(normalizeCode(code));
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return row ? pickPriceForRowByAge(row, age) : new Decimal(0);
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}
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// helper keeping lines empty,
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export const makeEmptyLine = (lineDate: string): InputServiceLine => ({
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procedureCode: "",
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procedureDate: lineDate,
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oralCavityArea: "",
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toothNumber: "",
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toothSurface: "",
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totalBilled: new Decimal(0),
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totalAdjusted: new Decimal(0),
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totalPaid: new Decimal(0),
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});
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// Ensure the array has at least `min` lines; append blank ones if needed.
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const ensureCapacity = (
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lines: (InputServiceLine | undefined)[],
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min: number,
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lineDate: string
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) => {
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while (lines.length < min) {
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lines.push(makeEmptyLine(lineDate));
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}
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};
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/* ------------------------- Main entry points ------------------------- */
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/**
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* Map prices for ALL existing lines in a form (your "Map Price" button),
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* using patient's DOB and the form's serviceDate (or per-line procedureDate).
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* Returns a NEW form object (immutable).
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*/
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export function mapPricesForForm<T extends ClaimFormLike>(params: {
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form: T;
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patientDOB: DateInput;
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}): T {
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const { form, patientDOB } = params;
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return {
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...form,
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serviceLines: form.serviceLines.map((ln) => {
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const age = ageOnDate(patientDOB, form.serviceDate);
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const code = normalizeCode(ln.procedureCode || "");
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if (!code) return { ...ln };
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const price = getPriceForCodeWithAgeFromMap(CODE_MAP, code, age);
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return { ...ln, procedureCode: code, totalBilled: price };
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}),
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};
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}
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/**
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* Apply a preset combo (fills codes & prices) using patientDOB and serviceDate.
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* Returns a NEW form object (immutable).
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*/
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export function applyComboToForm<T extends ClaimFormLike>(
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form: T,
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comboId: keyof typeof PROCEDURE_COMBOS,
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patientDOB: DateInput,
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options: ApplyOptions = {}
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): T {
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const preset = PROCEDURE_COMBOS[String(comboId)];
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if (!preset) return form;
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const {
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append = true,
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startIndex,
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lineDate = form.serviceDate,
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clearTrailing = false,
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replaceAll = false, // NEW
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} = options;
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const next: T = { ...form, serviceLines: [...form.serviceLines] };
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// Replace-all: blank all existing and start from 0
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if (replaceAll) {
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for (let i = 0; i < next.serviceLines.length; i++) {
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next.serviceLines[i] = makeEmptyLine(lineDate);
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}
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}
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// determine insertion index
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let insertAt = 0;
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if (!replaceAll) {
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if (append) {
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let last = -1;
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next.serviceLines.forEach((ln, i) => {
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if (ln.procedureCode?.trim()) last = i;
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});
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insertAt = Math.max(0, last + 1);
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} else if (typeof startIndex === "number") {
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insertAt = Math.max(
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0,
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Math.min(startIndex, next.serviceLines.length - 1)
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);
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}
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} // if replaceAll, insertAt stays 0
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// Make sure we have enough rows for the whole combo
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ensureCapacity(next.serviceLines, insertAt + preset.codes.length, lineDate);
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// Age on the specific line date we will set
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const age = ageOnDate(patientDOB, lineDate);
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for (let j = 0; j < preset.codes.length; j++) {
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const i = insertAt + j;
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if (i >= next.serviceLines.length) break;
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const codeRaw = preset.codes[j];
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if (!codeRaw) continue;
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const code = normalizeCode(codeRaw);
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const price = getPriceForCodeWithAgeFromMap(CODE_MAP, code, age);
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const original = next.serviceLines[i];
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next.serviceLines[i] = {
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...original,
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procedureCode: code,
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procedureDate: lineDate,
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oralCavityArea: original?.oralCavityArea ?? "",
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toothNumber:
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preset.toothNumbers?.[j] ??
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original?.toothNumber ??
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"",
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toothSurface: original?.toothSurface ?? "",
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totalBilled: price,
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totalAdjusted: new Decimal(0),
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totalPaid: new Decimal(0),
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} as InputServiceLine;
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}
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if (replaceAll || clearTrailing) {
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const after = insertAt + preset.codes.length;
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for (let i = after; i < next.serviceLines.length; i++) {
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next.serviceLines[i] = makeEmptyLine(lineDate);
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}
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}
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return next;
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}
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