Add merge a BudgetInputs y aplicación de extras/ajustes al presupuesto

mvp/b2c/src/lib/voice/apply.ts

@@ -0,0 +1,56 @@
+import type { BudgetInputs, BudgetResult, PartidaResult, TipoReforma } from '@/budget/types';
+import type { AbstractedPreferences } from './preferences';
+
+interface LeadInputsSource {
+  tipoReforma: TipoReforma | null;
+  m2Suelo: number | null;
+  alturaTecho: number | null;
+  provincia: string | null;
+}
+
+export function mergeIntoBudgetInputs(
+  prefs: AbstractedPreferences,
+  lead: LeadInputsSource,
+): BudgetInputs {
+  return {
+    tipoReforma: lead.tipoReforma ?? 'otro',
+    m2Suelo: lead.m2Suelo,
+    alturaTecho: lead.alturaTecho,
+    calidadGlobal: prefs.calidadGlobal,
+    estructural: prefs.estructural,
+    provincia: lead.provincia,
+    materialSelections: prefs.materialSelections,
+  };
+}
+
+export function applyPreferences(
+  result: BudgetResult,
+  prefs: AbstractedPreferences,
+): BudgetResult {
+  const extras: PartidaResult[] = prefs.elementos.map((e) => ({
+    key: e.key,
+    label: e.label,
+    importe: e.importe,
+  }));
+
+  prefs.ajustes.forEach((a, i) => {
+    const importe =
+      a.tipo === 'fijo' ? a.valor : Math.round(result.subtotal * (a.valor - 1));
+    if (importe === 0) return;
+    extras.push({ key: `ajuste_${i}`, label: a.label, importe });
+  });
+
+  if (extras.length === 0 && prefs.estiloRender.length === 0) return result;
+
+  const partidas = [...result.partidas, ...extras];
+  const subtotal = partidas.reduce((s, p) => s + p.importe, 0);
+  const total = Math.round(subtotal * result.factorZona);
+  const scale = result.total > 0 ? total / result.total : 1;
+  const rango = {
+    min: Math.round(result.rango.min * scale),
+    max: Math.round(result.rango.max * scale),
+  };
+  const materialesRender = [...result.materialesRender, ...prefs.estiloRender];
+
+  return { ...result, partidas, subtotal, total, rango, materialesRender };
+}