function validateInputEi(inputElement, min, max) {
    const value = parseFloat(inputElement.value);
    if (value < min || value > max) {
        alert(`The value must be a number between ${min} y ${max}.`);
        inputElement.value = '';
    }
}

function funTEi() {
    const fEi = parseFloat(document.getElementById('fatalEi').value) || 0;
    const sEi = parseFloat(document.getElementById('seriousEi').value) || 0;
    const mEi = parseFloat(document.getElementById('minorEi').value) || 0;
    const pEi = parseFloat(document.getElementById('propEi').value) || 0;

    const totalEi = fEi + sEi + mEi + pEi;

    document.getElementById('totalEi').innerText = totalEi.toFixed(0);
}

function funEi() {
    const fWEi = parseFloat(document.getElementById('fatalWEi').value) || 0;
    const sWEi = parseFloat(document.getElementById('seriousWEi').value) || 0;
    const mWEi = parseFloat(document.getElementById('minorWEi').value) || 0;
    const pWEi = parseFloat(document.getElementById('propWEi').value) || 0;

    const fEi = parseFloat(document.getElementById('fatalEi').value) || 0;
    const sEi = parseFloat(document.getElementById('seriousEi').value) || 0;
    const mEi = parseFloat(document.getElementById('minorEi').value) || 0;
    const pEi = parseFloat(document.getElementById('propEi').value) || 0;

    const EPDO = fWEi * fEi + sWEi * sEi + mWEi * mEi + pWEi * pEi;
    const EPDOAvg = EPDO / (fEi + sEi + mEi + pEi);

    document.getElementById('EPDO').innerText = EPDO.toFixed(2);
    document.getElementById('EPDOAvg').innerText = EPDOAvg.toFixed(2);
}

const fatalWEi = document.getElementById('fatalWEi');
const seriousWEi = document.getElementById('seriousWEi');
const minorWEi = document.getElementById('minorWEi');
const propWEi = document.getElementById('propWEi');

const fatalEi = document.getElementById('fatalEi');
const seriousEi = document.getElementById('seriousEi');
const minorEi = document.getElementById('minorEi');
const propEi = document.getElementById('propEi');

const fatalWEiMin = 1, fatalWEiMax = 999;
const seriousWEiMin = 1, seriousWEiMax = 999;
const minorWEiMin = 1, minorWEiMax = 999;
const propWEiMin = 1, propWEiMax = 999;
const fatalEiMin = 1, fatalEiMax = 999;
const seriousEiMin = 1, seriousEiMax = 999;
const minorEiMin = 1, minorEiMax = 999;
const propEiMin = 1, propEiMax = 999;

fatalWEi.addEventListener('input', () => validateInputEi(fatalWEi, fatalWEiMin, fatalWEiMax));
seriousWEi.addEventListener('input', () => validateInputEi(seriousWEi, seriousWEiMin, seriousWEiMax));
minorWEi.addEventListener('input', () => validateInputEi(minorWEi, minorWEiMin, minorWEiMax));
propWEi.addEventListener('input', () => validateInputEi(propWEi, propWEiMin, propWEiMax));

fatalEi.addEventListener('input', () => validateInputEi(fatalEi, fatalEiMin, fatalEiMax));
seriousEi.addEventListener('input', () => validateInputEi(seriousEi, seriousEiMin, seriousEiMax));
minorEi.addEventListener('input', () => validateInputEi(minorEi, minorEiMin, minorEiMax));
propEi.addEventListener('input', () => validateInputEi(propEi, propEiMin, propEiMax));