function validateInputAr(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('option1Ar');
    let option2 = document.getElementById('option2Ar');
    let lengthAr = document.getElementById('lengthAr');

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

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

function funAccR() {
    const f = parseFloat(document.getElementById('freqAr').value);
    const p = parseFloat(document.getElementById('periodAr').value);
    const l = parseFloat(document.getElementById('lengthAr').value) || 1; 
    const q = parseFloat(document.getElementById('averageTrafficAr').value);

    const accR = (f * 10 ** 6) / (365.25 * p * l * q);

    document.getElementById('accR').innerText = accR.toFixed(2);

    return accR || 0;
}

const freqAr = document.getElementById('freqAr');
const periodAr = document.getElementById('periodAr');
const lengthAr = document.getElementById('lengthAr');
const averageTrafficAr = document.getElementById('averageTrafficAr');

const freqArMin = 0, freqArMax = 999;
const periodArMin = 1, periodArMax = 20; 
const lengthArMin = 0.5, lengthArMax = 100; 
const averageTrafficArMin = 1, averageTrafficArMax = 99999;

freqAr.addEventListener('input', () => validateInputAr(freqAr, freqArMin, freqArMax));
periodAr.addEventListener('input', () => validateInputAr(periodAr, periodArMin, periodArMax));
lengthAr.addEventListener('input', () => validateInputAr(lengthAr, lengthArMin, lengthArMax));
averageTrafficAr.addEventListener('input', () => validateInputAr(averageTrafficAr, averageTrafficArMin, averageTrafficArMax));