fetch('./js/stats.json')
  .then(response => response.json())
  .then(stats => {

    // import * as stats from './stats.json' assert { type: 'json' };

    console.log(stats);

    document.getElementById('countStationsOSM').textContent = formatSpaceSeparator(stats.countStationsOSM);
    document.getElementById('countStationsOpenData').textContent = formatSpaceSeparator(stats.countStationsOpenData);
    document.getElementById('countStationsAVERE').textContent = formatSpaceSeparator(40000);
    document.getElementById('countPointsDeChargeAVERE').textContent = formatSpaceSeparator(stats.countStationsAVERE);
    document.getElementById('countPointsDeChargeOSM').textContent = formatSpaceSeparator(stats.countPointsDeChargeOSM);
    document.getElementById('countPointsDeChargeOpenData').textContent = formatSpaceSeparator(stats.countPointsDeChargeOpenData);
    document.getElementById('dateGeneration').textContent = stats.dateGeneration;

    france_twh = 500
    irve_monthly_consumption_gwh = 69

    annual_consumption_gwh = compute_annual_consumption_gwh(irve_monthly_consumption_gwh, france_twh)
    proportion_annual_consumption_gwh = compute_proportion_annual_consumption_gwh(annual_consumption_gwh, stats.countStationsAVERE)

    console.log('estimation de la consommation annuelle des stations de recharge en France', annual_consumption_gwh, 'GWh sur ', france_twh * 1000, 'GWh')
    console.log('proportion de la consommation annuelle par borne', proportion_annual_consumption_gwh)
  })
  .catch(error => {
    console.error('Erreur lors du chargement du fichier stats.json:', error);
  });

function compute_annual_consumption_gwh(irve_monthly_consumption_gwh, france_twh) {
  return irve_monthly_consumption_gwh * 12 * france_twh;
}

function compute_proportion_annual_consumption_gwh(annual_consumption_gwh, countStationsAVERE) {
  return (annual_consumption_gwh / countStationsAVERE).toFixed(2);
}


function formatSpaceSeparator(number) {
  return number.toString().replace(/\B(?=(\d{3})+(?!\d))/g, " ");
}