// lib/calculators/soap.ts
// Калькулятор мыла для frontend

import type { Calculator, CalculatorField, CalculationResult } from '@/types/calculator';

const fieldSchema: CalculatorField[] = [
  { id: 'soapName', name: 'soapName', label: 'Название мыла', type: 'text', required: true },
  { id: 'weight', name: 'weight', label: 'Вес мыла, г', type: 'number', required: true },
  { id: 'basePrice', name: 'basePrice', label: 'Цена основы, руб', type: 'number', required: false },
  { id: 'aromaPrice', name: 'aromaPrice', label: 'Цена отдушки, руб', type: 'number', required: false },
  { id: 'aromaWeight', name: 'aromaWeight', label: 'Фасовка отдушки, г', type: 'number', required: false },
  { id: 'pigmentPrice', name: 'pigmentPrice', label: 'Цена пигмента, руб', type: 'number', required: false },
  { id: 'pigmentWeight', name: 'pigmentWeight', label: 'Фасовка пигмента, г', type: 'number', required: false },
  { id: 'moldPrice', name: 'moldPrice', label: 'Цена формы, руб', type: 'number', required: false },
  { id: 'box', name: 'box', label: 'Пакет/коробка, руб', type: 'number', required: false, group: 'packaging' },
  { id: 'filler', name: 'filler', label: 'Наполнитель, руб', type: 'number', required: false, group: 'packaging' },
  { id: 'ribbon', name: 'ribbon', label: 'Лента, руб', type: 'number', required: false, group: 'packaging' },
  { id: 'labelValue', name: 'labelValue', label: 'Наклейка, руб', type: 'number', required: false, group: 'packaging' },
  { id: 'markup', name: 'markup', label: 'Наценка, %', type: 'number', required: false },
];

function round(val: number): number {
  return Math.round(val * 10) / 10;
}

function calculate(data: Record<string, any>): CalculationResult {
  const {
    weight = 0,
    basePrice = 0,
    aromaPrice = 0,
    aromaWeight = 1,
    pigmentPrice = 0,
    pigmentWeight = 1,
    moldPrice = 0,
    packaging = { box: 0, filler: 0, ribbon: 0, label: 0 },
  } = data;

  const base = (weight / 1000) * basePrice;
  const aroma = ((weight * 0.01) / aromaWeight) * aromaPrice;
  const pigment = ((weight * 0.005) / pigmentWeight) * pigmentPrice;
  const mold = moldPrice / 100;
  const packagingCost = (packaging.box || 0) + (packaging.filler || 0) + (packaging.ribbon || 0) + (packaging.label || 0);
  const subtotal = base + aroma + pigment + mold + packagingCost;
  const operational = subtotal * 0.05;
  const total = subtotal + operational;

  return {
    base: round(base),
    aroma: round(aroma),
    pigment: round(pigment),
    mold: round(mold),
    packaging: round(packagingCost),
    operational: round(operational),
    total: round(total),
  };
}

function getRequiredFields(): string[] {
  return fieldSchema.filter((f) => f.required).map((f) => f.name);
}

function getNumericFields(): string[] {
  return fieldSchema.filter((f) => f.type === 'number').map((f) => f.name);
}

const soapCalculator: Calculator = {
  id: 'soap',
  name: 'Мыло',
  fieldSchema,
  calculate,
  getRequiredFields,
  getNumericFields,
};

export default soapCalculator;