function validateInputCar(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 = ''; 
    }
}

document.addEventListener('DOMContentLoaded', function() {
    let option1 = document.getElementById('option1Car');
    let option2 = document.getElementById('option2Car');
    let lengthCar = document.getElementById('lengthCar');

    if (option1 && option2 && lengthCar) {
        option1.addEventListener('change', function() {
            lengthCar.disabled = true;
            lengthCar.value = 1;
        });

        option2.addEventListener('change', function() {
            lengthCar.disabled = false;
            lengthCar.focus();
        });
    } else {
        console.error("Uno o más elementos no fueron encontrados en el DOM.");
    }
});

function funCAccR() {
    const a = parseFloat(document.getElementById('aAccRCar').value);
    const kValueMap = {
        80: 0.847,
        85: 1.036,
        90: 1.282,
        95: 1.645,
        99: 2.327
    };
    const k = kValueMap[document.getElementById('kCar').value];
    const p = parseFloat(document.getElementById('pCar').value);
    const l = parseFloat(document.getElementById('lengthCar').value) || 1; 
    const q = parseFloat(document.getElementById('averageTrafficCar').value);

    const cAccR = a + k * Math.sqrt((a * 10 ** 6) / (365.25 * p * l * q)) + (1 * 10 ** 6)/(730.5 * p * l * q);

    document.getElementById('cAccR').innerText = (cAccR || 0).toFixed(2);
}

const aAccRCar = document.getElementById('aAccRCar');
const pCar = document.getElementById('pCar');
const averageTrafficCar = document.getElementById('averageTrafficCar');

const aAccRCarMin = 0, aAccRCarMax = 100;
const pCarMin = 1, pCarMax = 20; 
const averageTrafficCarMin = 1, averageTrafficCarMax = 99999;

aAccRCar.addEventListener('input', () => validateInputCar(aAccRCar, aAccRCarMin, aAccRCarMax));
pCar.addEventListener('input', () => validateInputCar(pCar, pCarMin, pCarMax));
averageTrafficCar.addEventListener('input', () => validateInputCar(averageTrafficCar, averageTrafficCarMin, averageTrafficCarMax));