/**
 * Monitor-Layer: OSINT-Daten aus dem AegisSight Monitor.
 * Zeigt geoparsete Standorte aus Nachrichtenlagen auf dem Globus.
 */
const MonitorLayer = {
    _viewer: null,
    _points: null,
    _labels: null,
    _interval: null,
    _count: 0,
    _data: [],
    _incidents: [],

    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._fetch();
        var self = this;
        this._interval = setInterval(function() { self._fetch(); }, 120000); // 2min
    },

    stop() {
        if (this._interval) { clearInterval(this._interval); this._interval = null; }
        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; this._data = []; this._incidents = [];
    },

    _fetch() {
        var self = this;
        var loadEl = document.getElementById('loading-monitor');
        var statusEl = document.getElementById('status-monitor');
        if (loadEl) loadEl.classList.add('active');
        if (statusEl) { statusEl.textContent = 'Lade Monitor-Daten...'; statusEl.classList.add('active'); }
        fetch('/api/monitor-feed')
        .then(function(r) { return r.json(); })
        .then(function(data) {
            self._data = data.features || [];
            self._incidents = data.incidents || [];
            self._count = self._data.length;
            self._render();
            if (statusEl) {
                var incNames = self._incidents.map(function(i) { return i.title; }).join(', ');
                statusEl.textContent = self._count + ' Orte' + (incNames ? ' (' + incNames.substring(0, 40) + ')' : '');
            }
        })
        .catch(function(e) { console.warn('Monitor error:', e); if (statusEl) statusEl.textContent = 'Fehler'; })
        .finally(function() { if (loadEl) loadEl.classList.remove('active'); setTimeout(function() { if (statusEl) statusEl.classList.remove('active'); }, 8000); });
    },

    _render() {
        if (!this._points) return;
        this._points.removeAll();
        this._labels.removeAll();

        var colors = {
            'primary': Cesium.Color.fromCssColorString('#ff2222'),
            'secondary': Cesium.Color.fromCssColorString('#ff8800'),
            'tertiary': Cesium.Color.fromCssColorString('#4499ff'),
            'mentioned': Cesium.Color.fromCssColorString('#888888'),
        };

        for (var i = 0; i < this._data.length; i++) {
            var f = this._data[i];
            var coords = f.geometry.coordinates;
            var p = f.properties;
            var cat = p.category || 'mentioned';
            var color = colors[cat] || colors.mentioned;
            var count = p.article_count || 1;
            var size = Math.min(Math.max(Math.sqrt(count) * 2.5, 4), 14);

            this._points.add({
                position: Cesium.Cartesian3.fromDegrees(coords[0], coords[1], 1000),
                pixelSize: size,
                color: color,
                outlineColor: Cesium.Color.WHITE.withAlpha(0.6),
                outlineWidth: 1,
            });

            // Label mit Ortsname bei genug Artikeln
            if (count >= 2) {
                this._labels.add({
                    position: Cesium.Cartesian3.fromDegrees(coords[0], coords[1], 1000),
                    text: (p.name || '?') + ' (' + count + ')',
                    font: '11px sans-serif',
                    fillColor: color,
                    outlineColor: Cesium.Color.BLACK,
                    outlineWidth: 3,
                    style: Cesium.LabelStyle.FILL_AND_OUTLINE,
                    pixelOffset: new Cesium.Cartesian2(0, -size - 6),
                    scale: 0.8,
                    horizontalOrigin: Cesium.HorizontalOrigin.CENTER,
                    distanceDisplayCondition: new Cesium.DistanceDisplayCondition(0, 3000000),
                });
            }
        }
    },
};