// Fonctions utilitaires pour la gestion des marqueurs et popups sur la carte

function getCompletionColor(completion) {
  if (completion === undefined || completion === null) {
    return '#808080'; // Gris pour pas d'information
  }
  // Convertir le pourcentage en couleur verte (0% = blanc, 100% = vert foncé)
  const intensity = Math.floor((completion / 100) * 255);
  return `rgb(0, ${intensity}, 0)`;
}

function calculateCompletion(element) {
  let completionCount = 0;
  let totalFields = 0;
  let missingFields = [];

  const fieldsToCheck = [
    { name: 'name', label: 'Nom du commerce' },
    { name: 'contact:street', label: 'Rue' },
    { name: 'contact:housenumber', label: 'Numéro' },
    { name: 'opening_hours', label: 'Horaires d\'ouverture' },
    { name: 'contact:website', label: 'Site web' },
    { name: 'contact:phone', label: 'Téléphone' },
    { name: 'wheelchair', label: 'Accessibilité PMR' }
  ];

  fieldsToCheck.forEach(field => {
    totalFields++;
    if (element.tags && element.tags[field.name]) {
      completionCount++;
    } else {
      missingFields.push(field.label);
    }
  });

  return {
    percentage: (completionCount / totalFields) * 100,
    missingFields: missingFields
  };
}

function createPopupContent(element) {
  const completion = calculateCompletion(element);
  let content = `
        <div class="mb-2">
            <h5>${element.tags?.name || 'Sans nom'}</h5>
            <div class="d-flex gap-2">
                <a class="btn btn-primary btn-sm" href="/admin/placeType/${element.type}/${element.id}">
                    <i class="bi bi-pencil"></i> Éditer
                </a>
                <a class="btn btn-secondary btn-sm" href="https://openstreetmap.org/${element.type}/${element.id}" target="_blank">
                    <i class="bi bi-map"></i> OSM
                </a>
            </div>
        </div>
    `;

  if (completion.percentage < 100) {
    content += `
            <div class="alert alert-warning mt-2">
                <h6>Informations manquantes :</h6>
                <ul class="list-unstyled mb-0">
                    ${completion.missingFields.map(field => `<li><i class="bi bi-x-circle text-danger"></i> ${field}</li>`).join('')}
                </ul>
            </div>
        `;
  }

  content += '<table class="table table-sm mt-2">';

  // Ajouter tous les tags
  if (element.tags) {
    for (const tag in element.tags) {
      content += `<tr><td><strong>${tag}</strong></td><td>${element.tags[tag]}</td></tr>`;
    }
  }

  content += '</table>';
  return content;
}

function updateMarkers(features, map, currentMarkerType, dropMarkers, overpassData) {
  // Supprimer tous les marqueurs existants
  dropMarkers.forEach(marker => marker.remove());
  dropMarkers = [];

  features.forEach(feature => {
    if (currentMarkerType === 'drop') {
      const el = document.createElement('div');
      el.className = 'marker';
      el.style.backgroundColor = getCompletionColor(feature.properties.completion);
      el.style.width = '15px';
      el.style.height = '15px';
      el.style.borderRadius = '50%';
      el.style.border = '2px solid white';
      el.style.cursor = 'pointer';

      const marker = new maplibregl.Marker(el)
        .setLngLat(feature.geometry.coordinates)
        .addTo(map);

      // Ajouter l'événement de clic
      el.addEventListener('click', () => {
        const element = overpassData[feature.properties.id];
        if (element) {
          const popup = new maplibregl.Popup()
            .setLngLat(feature.geometry.coordinates)
            .setHTML(createPopupContent(element));
          popup.addTo(map);
        }
      });

      dropMarkers.push(marker);
    } else {
      // Créer un cercle pour chaque feature
      const circle = turf.circle(
        feature.geometry.coordinates,
        0.5, // rayon en kilomètres
        { steps: 64, units: 'kilometers' }
      );

      // Ajouter la source et la couche pour le cercle
      if (!map.getSource(feature.id)) {
        map.addSource(feature.id, {
          type: 'geojson',
          data: circle
        });

        map.addLayer({
          id: feature.id,
          type: 'fill',
          source: feature.id,
          paint: {
            'fill-color': getCompletionColor(feature.properties.completion),
            'fill-opacity': 0.6,
            'fill-outline-color': '#fff'
          }
        });

        // Ajouter l'événement de clic sur le cercle
        map.on('click', feature.id, () => {
          const element = overpassData[feature.properties.id];
          if (element) {
            const popup = new maplibregl.Popup()
              .setLngLat(feature.geometry.coordinates)
              .setHTML(createPopupContent(element));
            popup.addTo(map);
          }
        });
      }
    }
  });

  return dropMarkers;
}

// Exporter les fonctions
window.getCompletionColor = getCompletionColor;
window.calculateCompletion = calculateCompletion;
window.createPopupContent = createPopupContent;
window.updateMarkers = updateMarkers;