script.js

function calculateCarbon() {
    // Récupération des valeurs du formulaire
    let electricity = parseFloat(document.getElementById("electricity").value);
    let gas = parseFloat(document.getElementById("gas").value);
    let carDistance = parseFloat(document.getElementById("carDistance").value);
    let typecar = document.getElementById("typecar").value;
    let caroccupants = parseFloat(document.getElementById("caroccupants").value);
    let trainDistance = parseFloat(document.getElementById("trainDistance").value);
    let flightDistance = parseFloat(document.getElementById("flightDistance").value);
    let appliances = parseFloat(document.getElementById("appliances").value);
    let electronics = parseFloat(document.getElementById("electronics").value);
    let redMeatConsumption = parseFloat(document.getElementById("redMeatConsumption").value);
    let whiteMeatConsumption = parseFloat(document.getElementById("whiteMeatConsumption").value);
    let porkConsumption = parseFloat(document.getElementById("porkConsumption").value);
    let housingType = document.getElementById("housingType").value;
    let housingSize = parseFloat(document.getElementById("housingSize").value);
    let bulkFoodPurchase = document.getElementById("bulkFoodPurchase").value;
    let occupants = parseFloat(document.getElementById("occupants").value);
    let madein = document.getElementById("madein").value;
    let largeClothingPurchase = parseFloat(document.getElementById("largeClothingPurchase").value);
    let smallClothingPurchase = parseFloat(document.getElementById("smallClothingPurchase").value);

    let emissionFactors = {
        electricity: 0.4,
        gas: 0.2,
        train: 0.014,
        flight: 0.285,
        appliance: 0.1,
        electronic: 0.05,
        redMeat: 14,
        whiteMeat: 7,
        pork: 12,
        apartment: 15,
        house: 20,
        servicesCommuns: 1500,
        clothing: {
            large: 27,   //pour vêtement français et 54 pour vêtement importé
            small: 10
        } //velo musculaire = 8/10g/km
    }; //velo electrique = 15g/km pour 20000km + 181kg cycle de vie

    // Calcul des émissions de carbone pour chaque catégorie
    let transportEmissions =
        (trainDistance * emissionFactors.train) +
        (flightDistance * emissionFactors.flight);

    let typecarFactor = getTypecarFactor(typecar);
    transportEmissions += (carDistance / caroccupants * typecarFactor);

    let housingEmissions = (electricity * emissionFactors.electricity / occupants) +
        (gas * emissionFactors.gas / occupants) +
        (emissionFactors[housingType] * occupants * housingSize / occupants);

    let redMeatEmissions = redMeatConsumption * emissionFactors.redMeat;
    let whiteMeatEmissions = whiteMeatConsumption * emissionFactors.whiteMeat;
    let porkEmissions = porkConsumption * emissionFactors.pork;

    let foodEmissions = redMeatEmissions + whiteMeatEmissions + porkEmissions;

    let appliancesElectronicsEmissions = (appliances * emissionFactors.appliance / occupants) +
        (electronics * emissionFactors.electronic);

    // Ajout de l'impact de l'achat en vrac
    let bulkFoodPurchaseFactor = getBulkFoodPurchaseFactor(bulkFoodPurchase);
    foodEmissions *= bulkFoodPurchaseFactor;

    // Calcul des émissions de carbone pour les vêtements
    let clothingEmissions = (largeClothingPurchase * emissionFactors.clothing.large) +
        (smallClothingPurchase * emissionFactors.clothing.small);

    let madeinFactor = getMadeinFactor(madein);
    clothingEmissions *= madeinFactor;

    // Calcul du total des émissions de carbone
    let totalEmissions = transportEmissions + (housingEmissions + appliancesElectronicsEmissions) + foodEmissions + clothingEmissions + emissionFactors.servicesCommuns;

    let range = document.querySelector("input[type='range']");
    range.value = Math.min(Math.max(totalEmissions, range.min), range.max);
    setTemperature();

    // Affichage du résultat
    document.getElementById("result").textContent = totalEmissions.toFixed(2);

    // Création d'un graphique
    let ctx = document.getElementById('carbonChart').getContext('2d');
    let labels = ['Transport', 'Logement & Electroménagers', 'Alimentation', 'Vêtements', 'Services Communs'];
    let data = [transportEmissions, (housingEmissions + appliancesElectronicsEmissions), foodEmissions, clothingEmissions, emissionFactors.servicesCommuns];

    if (window.myChart) {
        window.myChart.destroy(); 
    }

    window.myChart = new Chart(ctx, {
        type: 'bar',
        data: {
            labels: labels,
            datasets: [{
                label: 'Émissions de CO2 (kg)',
                data: data,
                backgroundColor: ['rgba(141,13,56,0.67)', 'rgba(95, 207, 163, 0.67)', 'rgba(32, 137, 255, 0.67)', 'rgba(255, 165, 0, 0.67)', 'rgba(255, 0, 0, 0.67)'],
                borderColor: 'rgb(132,75,192)',
                borderWidth: 1
            }]
        },
        options: {
            scales: {
                y: {
                    beginAtZero: true
                }
            }
        }
    });
}

// Fonction pour obtenir le facteur d'achat en vrac en fonction de la sélection
function getBulkFoodPurchaseFactor(selection) {
    switch (selection) {
        case 'never':
            return 1;
        case 'occasionally':
            return 0.8;
        case 'regularly':
            return 0.5;
        case 'always':
            return 0.3;
        default:
            return 1;
    }
}

// Fonction pour obtenir le facteur de type de véhicule en fonction de la sélection
function getTypecarFactor(selection) {
    switch (selection) {
        case 'small':
            return 0.1;
        case 'medium':
            return 0.14;
        case 'big':
            return 0.18;
        default:
            return 0.14;
    }
}   //petite voiture 0.104 / voiture moyenne 0.14 / grosse voiture 0.18

// Fonction pour obtenir le facteur d'achat de vêtements made in france ou autre en fonction de la sélection
function getMadeinFactor(selection) {
    switch (selection) {
        case 'france':
            return 1;
        case 'autre':
            return 2;
        default:
            return 1;
    }
}


function saveToLocalStorage() {
    // Liste des formulaires à sauvegarder
    let formIds = ["carbonCalculator1", "carbonCalculator2", "carbonCalculator3", "carbonCalculator4"];

    // Boucle sur chaque formulaire
    formIds.forEach(formId => {
        let formElements = document.getElementById(formId).elements;
        for (let i = 0; i < formElements.length; i++) {
            if (formElements[i].type !== "button") {
                localStorage.setItem(formElements[i].id, formElements[i].value);
            }
        }
    });
}

document.getElementById("carbonCalculator").addEventListener("button", function(event) {
    event.preventDefault();
    saveToLocalStorage();
    calculateCarbon(); 
});


function loadFromLocalStorage() {
    // Liste des formulaires à charger
    let formIds = ["carbonCalculator1", "carbonCalculator2", "carbonCalculator3", "carbonCalculator4"];

    // Boucle sur chaque formulaire
    formIds.forEach(formId => {
        let formElements = document.getElementById(formId).elements;
        for (let i = 0; i < formElements.length; i++) {
            if (formElements[i].type !== "button") {
                if (localStorage.getItem(formElements[i].id)) {
                    formElements[i].value = localStorage.getItem(formElements[i].id);
                }
            }
        }
    });
}

window.onload = function() {
    loadFromLocalStorage();
}

//thermometre
const units = {
    true: "Kg Co2",
};


const config = {
    minTemp: 0,
    maxTemp: 10000,
    unit: true,};




const tempValueInputs = document.querySelectorAll("input[type='text']");

tempValueInputs.forEach(input => {
    input.addEventListener("change", event => {
        const newValue = event.target.value;

        if (isNaN(newValue)) {
            return input.value = config[input.id];
        } else {
            config[input.id] = input.value;
            range[input.id.slice(0, 3)] = config[input.id]; // Update range
            return setTemperature(); // Update temperature
        }
    });
});


// Change temperature

const range = document.querySelector("input[type='range']");
const temperature = document.getElementById("temperature");

function setTemperature() {
    temperature.style.height = (range.value - config.minTemp) / (config.maxTemp - config.minTemp) * 100 + "%";
    temperature.dataset.value = range.value + units[config.unit];
}

range.addEventListener("input", setTemperature);
setTimeout(setTemperature, 2000);