// lib/calc.ts

type Input = {
  weight: number;
  basePrice: number;
  aromaPrice: number;
  aromaWeight: number;
  pigmentPrice: number;
  pigmentWeight: number;
  moldPrice: number;
  packaging: {
    box: number;
    filler: number;
    ribbon: number;
    label: number;
  };
};

export function calculateTotal(data: Input) {
  const {
    weight,
    basePrice,
    aromaPrice,
    aromaWeight,
    pigmentPrice,
    pigmentWeight,
    moldPrice,
    packaging,
  } = 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 + packaging.filler + packaging.ribbon + packaging.label;
  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 round(val: number) {
  return Math.round(val * 10) / 10;
}