1

src/lib/pricingScaleFee.ts

@@ -4,10 +4,70 @@ import { toFiniteNumberOrNull } from '@/lib/number'
 
 type ScaleMode = 'cost' | 'area'
 
-export const getBenchmarkBudgetByScale = (value: unknown, mode: ScaleMode) => {
+export interface ScaleFeeSplitResult {
+  basic: number
+  optional: number
+  total: number
+  basicFormula: string
+  optionalFormula: string
+}
+
+export const getBenchmarkBudgetSplitByScale = (
+  value: unknown,
+  mode: ScaleMode
+): ScaleFeeSplitResult | null => {
   const scaleValue = toFiniteNumberOrNull(value)
   const result = getBasicFeeFromScale(scaleValue, mode)
-  return result ? roundTo(addNumbers(result.basic, result.optional), 2) : null
+  if (!result) return null
+
+  const basic = roundTo(result.basic, 2)
+  const optional = roundTo(result.optional, 2)
+  const basicFormula = typeof result.basicFormula === 'string' ? result.basicFormula : ''
+  const optionalFormula = typeof result.optionalFormula === 'string' ? result.optionalFormula : ''
+  return {
+    basic,
+    optional,
+    total: roundTo(addNumbers(basic, optional), 2),
+    basicFormula,
+    optionalFormula
+  }
+}
+
+export const getBenchmarkBudgetByScale = (value: unknown, mode: ScaleMode) => {
+  const splitResult = getBenchmarkBudgetSplitByScale(value, mode)
+  return splitResult ? splitResult.total : null
+}
+
+export const getScaleBudgetFeeSplit = (params: {
+  benchmarkBudgetBasic: unknown
+  benchmarkBudgetOptional: unknown
+  majorFactor: unknown
+  consultCategoryFactor: unknown
+}): ScaleFeeSplitResult | null => {
+  const benchmarkBudgetBasic = toFiniteNumberOrNull(params.benchmarkBudgetBasic)
+  const benchmarkBudgetOptional = toFiniteNumberOrNull(params.benchmarkBudgetOptional)
+  const majorFactor = toFiniteNumberOrNull(params.majorFactor)
+  const consultCategoryFactor = toFiniteNumberOrNull(params.consultCategoryFactor)
+
+  if (
+    benchmarkBudgetBasic == null ||
+    benchmarkBudgetOptional == null ||
+    majorFactor == null ||
+    consultCategoryFactor == null
+  ) {
+    return null
+  }
+
+  const basic = roundTo(toDecimal(benchmarkBudgetBasic).mul(majorFactor).mul(consultCategoryFactor), 2)
+  const optional = roundTo(toDecimal(benchmarkBudgetOptional).mul(majorFactor).mul(consultCategoryFactor), 2)
+
+  return {
+    basic,
+    optional,
+    total: roundTo(addNumbers(basic, optional), 2),
+    basicFormula: '',
+    optionalFormula: ''
+  }
 }
 
 export const getScaleBudgetFee = (params: {