/*
 * Silir 26.9.3 - OpenSID 2607.0.1 Custom Stable P16
 * GIS Basemap Compatibility v1.1
 *
 * Keeps Silir maps aligned with P16 free basemap stack even when an older
 * assets/js/peta.js is still served/cached by the browser/PWA.
 * No token/licence logic is touched.
 */
(function (window) {
  'use strict';

  if (!window.L || !L.tileLayer) {
    return;
  }

  function configuredJenisPeta(explicitValue) {
    if (explicitValue !== undefined && explicitValue !== null && explicitValue !== '') {
      return String(explicitValue);
    }

    try {
      if (typeof setting !== 'undefined' && setting && setting.jenis_peta !== undefined) {
        return String(setting.jenis_peta);
      }
    } catch (e) {
      // Ignore and use the P16 free satellite fallback below.
    }

    return '6';
  }

  function layerMaxZoom(map, layer, configuredMaxZoom) {
    var layerMax = Number(layer && layer._opensidMaxZoom);
    var maxZoom = isFinite(layerMax) ? Math.min(layerMax, configuredMaxZoom) : configuredMaxZoom;

    if (map && typeof map.setMaxZoom === 'function') {
      map.setMaxZoom(maxZoom);
      if (typeof map.getZoom === 'function' && map.getZoom() > maxZoom) {
        map.setZoom(maxZoom);
      }
    }
  }

  window.getBaseLayers = function (peta, access_token, jenis_peta) {
    var optionMaxZoom = peta && peta.options ? Number(peta.options.maxZoom) : 22;
    var configuredMaxZoom = Math.min(optionMaxZoom || 22, 22);

    var osm = L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
      maxZoom: Math.min(configuredMaxZoom, 19),
      attribution: '<a href="https://www.openstreetmap.org/copyright" target="_blank" rel="noopener">© OpenStreetMap contributors</a> | <a href="https://github.com/OpenSID/OpenSID" target="_blank" rel="noopener">OpenSID</a>'
    });
    osm._opensidMaxZoom = Math.min(configuredMaxZoom, 19);

    var osmHot = L.tileLayer('https://{s}.tile.openstreetmap.fr/hot/{z}/{x}/{y}.png', {
      maxZoom: Math.min(configuredMaxZoom, 19),
      attribution: '<a href="https://www.openstreetmap.org/copyright" target="_blank" rel="noopener">© OpenStreetMap contributors</a> | <a href="https://www.hotosm.org/" target="_blank" rel="noopener">HOT</a> | OpenSID'
    });
    osmHot._opensidMaxZoom = Math.min(configuredMaxZoom, 19);

    var eoxAttribution = 'EOX Cloudless <a href="https://cloudless.eox.at" target="_blank" rel="noopener">cloudless.eox.at</a> (Contains modified Copernicus Sentinel data 2025)';
    var sentinelSatellite = L.tileLayer('https://tiles.maps.eox.at/wmts/1.0.0/s2cloudless-2025_3857/default/g/{z}/{y}/{x}.jpg', {
      minZoom: 0,
      maxNativeZoom: 14,
      maxZoom: configuredMaxZoom,
      tileSize: 256,
      crossOrigin: true,
      attribution: eoxAttribution
    });
    sentinelSatellite._opensidMaxZoom = configuredMaxZoom;

    var eoxLabels = L.tileLayer.wms('https://tiles.maps.eox.at/map', {
      layers: 'overlay_bright_3857',
      format: 'image/png',
      transparent: true,
      version: '1.1.1',
      maxNativeZoom: 18,
      maxZoom: configuredMaxZoom,
      crossOrigin: true,
      attribution: 'Overlay: © OpenStreetMap contributors, Rendering © EOX/MapServer'
    });

    var sentinelHybrid = L.layerGroup([sentinelSatellite, eoxLabels]);
    sentinelHybrid._opensidMaxZoom = configuredMaxZoom;

    var esriSatellite = L.tileLayer('https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}', {
      minZoom: 0,
      maxNativeZoom: 22,
      maxZoom: configuredMaxZoom,
      tileSize: 256,
      crossOrigin: true,
      attribution: 'Tiles &copy; <a href="https://www.esri.com/" target="_blank" rel="noopener">Esri</a> — World Imagery'
    });
    esriSatellite._opensidMaxZoom = configuredMaxZoom;

    var esriClarity = L.tileLayer('https://clarity.maptiles.arcgis.com/arcgis/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}', {
      minZoom: 0,
      maxNativeZoom: 22,
      maxZoom: configuredMaxZoom,
      tileSize: 256,
      crossOrigin: true,
      attribution: 'Tiles &copy; <a href="https://www.esri.com/" target="_blank" rel="noopener">Esri</a> — World Imagery (Clarity)'
    });
    esriClarity._opensidMaxZoom = configuredMaxZoom;

    var baseLayers = {
      'OpenStreetMap': osm,
      'OpenStreetMap H.O.T.': osmHot,
      'Esri Satellite (World Imagery)': esriSatellite,
      'Esri Clarity (arsip)': esriClarity,
      'Satellite Gratis (Sentinel-2 2025)': sentinelSatellite,
      'Satellite + Label (EOX/OSM)': sentinelHybrid
    };

    var selected = configuredJenisPeta(jenis_peta);
    var activeLayer = sentinelSatellite;

    switch (selected) {
      case '1':
        activeLayer = osm;
        break;
      case '2':
        activeLayer = osmHot;
        break;
      case '7':
        activeLayer = sentinelHybrid;
        break;
      case '8':
        activeLayer = esriSatellite;
        break;
      case '9':
        activeLayer = esriClarity;
        break;
      case '6':
      default:
        activeLayer = sentinelSatellite;
        break;
    }

    activeLayer.addTo(peta);
    layerMaxZoom(peta, activeLayer, configuredMaxZoom);

    if (peta && typeof peta.on === 'function') {
      peta.on('baselayerchange', function (event) {
        layerMaxZoom(peta, event.layer, configuredMaxZoom);
      });
    }

    return baseLayers;
  };
})(window);