import { CalculatorEngine } from '../pkCore.js';

export function initCalculatorUI() {
  const weightInput = document.getElementById('calcWeight');
  const concInput = document.getElementById('calcConc');

  // Conversion Bolus
  const mgInput = document.getElementById('calcMg');
  const mgKgInput = document.getElementById('calcMgKg');

  // Conversion Perfusion
  const mgKgHInput = document.getElementById('calcMgKgH');
  const ugKgMinInput = document.getElementById('calcUgKgMin');

  // 1. Bolus mg <-> mg/kg
  mgInput.addEventListener('input', () => {
    const w = parseFloat(weightInput.value) || 70;
    const mg = parseFloat(mgInput.value) || 0;
    mgKgInput.value = CalculatorEngine.mgToMgKg(mg, w).toFixed(2);
  });

  mgKgInput.addEventListener('input', () => {
    const w = parseFloat(weightInput.value) || 70;
    const mgKg = parseFloat(mgKgInput.value) || 0;
    mgInput.value = CalculatorEngine.mgKgToMg(mgKg, w).toFixed(1);
  });

  // 2. Vitesse mg/kg/h <-> µg/kg/min
  mgKgHInput.addEventListener('input', () => {
    const mgKgH = parseFloat(mgKgHInput.value) || 0;
    ugKgMinInput.value = CalculatorEngine.mgKgHToMicrogKgMin(mgKgH).toFixed(1);
  });

  ugKgMinInput.addEventListener('input', () => {
    const ugKgMin = parseFloat(ugKgMinInput.value) || 0;
    mgKgHInput.value = CalculatorEngine.microgKgMinToMgKgH(ugKgMin).toFixed(2);
  });
}