/**
 * Rechte Sidebar: Uebersicht aller aktiven Datenpunkte mit Suche.
 */
const Sidebar = {
    _open: true,
    _searchTerm: '',

    init() {
        var self = this;
        var toggle = document.getElementById('sidebar-toggle');
        var search = document.getElementById('sidebar-search');
        if (toggle) toggle.addEventListener('click', function() { self.toggle(); });
        if (search) search.addEventListener('input', function() {
            self._searchTerm = this.value.toLowerCase();
            self.update();
        });
        // Periodisch aktualisieren
        setInterval(function() { self.update(); }, 5000);
    },

    toggle() {
        this._open = !this._open;
        var panel = document.getElementById('sidebar-right');
        var toggle = document.getElementById('sidebar-toggle');
        if (panel) panel.classList.toggle('collapsed', !this._open);
        if (toggle) toggle.innerHTML = this._open
            ? '<svg viewBox="0 0 24 24" width="14" height="14" fill="none" stroke="currentColor" stroke-width="2"><polyline points="9 18 15 12 9 6"/></svg>'
            : '<svg viewBox="0 0 24 24" width="14" height="14" fill="none" stroke="currentColor" stroke-width="2"><polyline points="15 18 9 12 15 6"/></svg>';
    },

    update() {
        var container = document.getElementById('sidebar-content');
        if (!container) return;
        var html = '';
        var term = this._searchTerm;

        // Monitor OSINT
        if (typeof MonitorLayer !== 'undefined' && MonitorLayer._data.length) {
            html += this._renderSection('monitor', 'OSINT Monitor', MonitorLayer._data, function(f) {
                var p = f.properties;
                return {
                    name: p.name || '?',
                    sub: (p.incident_title || '') + (p.article_count > 1 ? ' (' + p.article_count + ' Artikel)' : ''),
                    color: { primary: '#ff2222', secondary: '#ff8800', tertiary: '#4499ff', mentioned: '#888' }[p.category] || '#888',
                    lat: f.geometry.coordinates[1],
                    lon: f.geometry.coordinates[0],
                };
            }, term);
        }

        // Katastrophen
        if (typeof DisastersLayer !== 'undefined' && DisastersLayer._dataSource && DisastersLayer._count > 0) {
            var entities = DisastersLayer._dataSource.entities.values;
            var items = [];
            for (var i = 0; i < entities.length; i++) {
                var e = entities[i];
                var name = e.name || (e._name && e._name.getValue ? e._name.getValue() : '');
                if (!name && e.description) {
                    var match = e.description.getValue().match(/<strong[^>]*>([^<]+)<\/strong>/);
                    if (match) name = match[1];
                }
                var pos = e.position ? e.position.getValue(Cesium.JulianDate.now()) : null;
                var carto = pos ? Cesium.Cartographic.fromCartesian(pos) : null;
                items.push({
                    name: name || 'Ereignis',
                    sub: '',
                    color: '#ff4400',
                    lat: carto ? Cesium.Math.toDegrees(carto.latitude) : 0,
                    lon: carto ? Cesium.Math.toDegrees(carto.longitude) : 0,
                    entity: e,
                });
            }
            html += this._renderEntitySection('disasters', 'Katastrophen + Erdbeben', items, term);
        }

        // Flugverkehr (nur count, keine Liste — zu viele)
        if (typeof FlightsLayer !== 'undefined' && FlightsLayer._count > 0) {
            html += this._renderCountSection('flights', 'Flugverkehr', FlightsLayer._count, '#00ff88');
        }

        // Schiffsverkehr
        if (typeof ShipsLayer !== 'undefined' && ShipsLayer._count > 0) {
            html += this._renderCountSection('ships', 'Schiffsverkehr', ShipsLayer._count, '#4499ff');
        }

        // Satelliten
        if (typeof SatellitesLayer !== 'undefined' && SatellitesLayer._count > 0) {
            html += this._renderCountSection('satellites', 'Satelliten', SatellitesLayer._count, '#ff4444');
        }

        if (!html) {
            html = '<div class="sb-empty">Keine Layer aktiv</div>';
        }

        container.innerHTML = html;
        this._attachListeners();
    },

    _renderSection(id, title, features, mapFn, term) {
        var items = features.map(mapFn).filter(function(item) {
            if (!term) return true;
            return (item.name + ' ' + item.sub).toLowerCase().indexOf(term) >= 0;
        });
        if (!items.length) return '';
        return '<div class="sb-section" id="sb-' + id + '">' +
            '<div class="sb-header" onclick="Sidebar._toggleSection(\'' + id + '\')">' +
            '<span class="sb-chevron" id="sb-chev-' + id + '">&#9662;</span>' +
            '<span class="sb-title">' + title + '</span>' +
            '<span class="sb-badge">' + items.length + '</span></div>' +
            '<div class="sb-list" id="sb-list-' + id + '">' +
            items.slice(0, 100).map(function(item) {
                return '<div class="sb-item" onclick="Sidebar._flyTo(' + item.lat + ',' + item.lon + ')" title="' + item.name + '">' +
                    '<span class="sb-dot" style="background:' + item.color + '"></span>' +
                    '<div class="sb-item-text"><div class="sb-item-name">' + item.name + '</div>' +
                    (item.sub ? '<div class="sb-item-sub">' + item.sub + '</div>' : '') +
                    '</div></div>';
            }).join('') +
            (items.length > 100 ? '<div class="sb-more">+ ' + (items.length - 100) + ' weitere</div>' : '') +
            '</div></div>';
    },

    _renderEntitySection(id, title, items, term) {
        if (term) {
            items = items.filter(function(item) { return item.name.toLowerCase().indexOf(term) >= 0; });
        }
        if (!items.length) return '';
        return '<div class="sb-section" id="sb-' + id + '">' +
            '<div class="sb-header" onclick="Sidebar._toggleSection(\'' + id + '\')">' +
            '<span class="sb-chevron" id="sb-chev-' + id + '">&#9662;</span>' +
            '<span class="sb-title">' + title + '</span>' +
            '<span class="sb-badge">' + items.length + '</span></div>' +
            '<div class="sb-list" id="sb-list-' + id + '">' +
            items.slice(0, 100).map(function(item, idx) {
                return '<div class="sb-item" onclick="Sidebar._flyTo(' + item.lat + ',' + item.lon + ')" title="' + item.name + '">' +
                    '<span class="sb-dot" style="background:' + item.color + '"></span>' +
                    '<div class="sb-item-text"><div class="sb-item-name">' + item.name + '</div></div></div>';
            }).join('') +
            '</div></div>';
    },

    _renderCountSection(id, title, count, color) {
        return '<div class="sb-section">' +
            '<div class="sb-header sb-header-count">' +
            '<span class="sb-dot" style="background:' + color + '"></span>' +
            '<span class="sb-title">' + title + '</span>' +
            '<span class="sb-badge">' + count.toLocaleString('de-DE') + '</span></div></div>';
    },

    _toggleSection(id) {
        var list = document.getElementById('sb-list-' + id);
        var chev = document.getElementById('sb-chev-' + id);
        if (list) {
            var open = list.style.display !== 'none';
            list.style.display = open ? 'none' : 'block';
            if (chev) chev.style.transform = open ? 'rotate(-90deg)' : '';
        }
    },

    _flyTo(lat, lon) {
        if (typeof Globe !== 'undefined' && Globe.viewer) {
            Globe.viewer.camera.flyTo({
                destination: Cesium.Cartesian3.fromDegrees(lon, lat, 800000),
                duration: 1.5,
            });
        }
    },

    _attachListeners() {
        // Wird nach jedem Update aufgerufen
    },
};