const InfraLayer = {
    _viewer: null, _points: null, _labels: null, _count: 0,

    start(viewer) {
        if (this._points) return;
        this._viewer = viewer;
        this._points = viewer.scene.primitives.add(new Cesium.PointPrimitiveCollection());
        this._labels = viewer.scene.primitives.add(new Cesium.LabelCollection());
        this._fetchNuclear();
        this._fetchBases();
    },

    stop() {
        if (this._points && this._viewer) { this._viewer.scene.primitives.remove(this._points); this._points = null; }
        if (this._labels && this._viewer) { this._viewer.scene.primitives.remove(this._labels); this._labels = null; }
        this._count = 0;
    },

    _fetchNuclear() {
        var self = this;
        fetch('/api/nuclear-plants')
        .then(function(r) { return r.json(); })
        .then(function(data) {
            var yellow = Cesium.Color.fromCssColorString('#ffdd00');
            (data.plants || []).forEach(function(p) {
                self._points.add({ position: Cesium.Cartesian3.fromDegrees(p.lon, p.lat, 0), pixelSize: 7, color: yellow,
                    outlineColor: Cesium.Color.fromCssColorString('#ff8800'), outlineWidth: 2 });
                self._labels.add({
                    position: Cesium.Cartesian3.fromDegrees(p.lon, p.lat, 0), text: p.name,
                    font: '9px sans-serif', fillColor: yellow, outlineColor: Cesium.Color.BLACK, outlineWidth: 2,
                    style: Cesium.LabelStyle.FILL_AND_OUTLINE,
                    pixelOffset: new Cesium.Cartesian2(0, -10), scale: 0.6,
                    distanceDisplayCondition: new Cesium.DistanceDisplayCondition(0, 500000),
                });
            });
            self._count += (data.plants || []).length;
            var s = document.getElementById('status-infra');
            if (s) { s.textContent = self._count + ' Standorte'; s.classList.add('active');
                setTimeout(function() { s.classList.remove('active'); }, 5000); }
        }).catch(function() {});
    },

    _fetchBases() {
        var self = this;
        fetch('/api/military-bases')
        .then(function(r) { return r.json(); })
        .then(function(data) {
            var red = Cesium.Color.fromCssColorString('#ff4444');
            (data.bases || []).forEach(function(b) {
                self._points.add({ position: Cesium.Cartesian3.fromDegrees(b.lon, b.lat, 0), pixelSize: 6, color: red,
                    outlineColor: Cesium.Color.fromCssColorString('#aa0000'), outlineWidth: 1 });
                self._labels.add({
                    position: Cesium.Cartesian3.fromDegrees(b.lon, b.lat, 0), text: b.name,
                    font: '9px sans-serif', fillColor: red, outlineColor: Cesium.Color.BLACK, outlineWidth: 2,
                    style: Cesium.LabelStyle.FILL_AND_OUTLINE,
                    pixelOffset: new Cesium.Cartesian2(0, -10), scale: 0.6,
                    distanceDisplayCondition: new Cesium.DistanceDisplayCondition(0, 500000),
                });
            });
            self._count += (data.bases || []).length;
        }).catch(function() {});
    },
};