/**
 * Suche + City Quick-Links: Ortssuche via Nominatim (kostenlos).
 */
const SearchUI = {
    _cities: [
        { name: 'Berlin', lat: 52.52, lon: 13.40 },
        { name: 'Washington', lat: 38.90, lon: -77.04 },
        { name: 'Moskau', lat: 55.75, lon: 37.62 },
        { name: 'Peking', lat: 39.91, lon: 116.40 },
        { name: 'Tokio', lat: 35.68, lon: 139.69 },
        { name: 'London', lat: 51.51, lon: -0.13 },
        { name: 'Paris', lat: 48.86, lon: 2.35 },
        { name: 'Teheran', lat: 35.69, lon: 51.39 },
        { name: 'Kiew', lat: 50.45, lon: 30.52 },
        { name: 'Jerusalem', lat: 31.77, lon: 35.23 },
        { name: 'Taipei', lat: 25.03, lon: 121.57 },
        { name: 'Hormuz', lat: 26.56, lon: 56.28 },
    ],

    init() {
        var self = this;
        var input = document.getElementById('globe-search');
        var results = document.getElementById('search-results');
        if (!input) return;

        // City Quick-Links rendern
        var linksEl = document.getElementById('city-links');
        if (linksEl) {
            linksEl.innerHTML = this._cities.map(function(c) {
                return '<button class="city-btn" onclick="SearchUI.flyTo(' + c.lat + ',' + c.lon + ')" title="' + c.name + '">' + c.name + '</button>';
            }).join('');
        }

        // Suche
        var timer = null;
        input.addEventListener('input', function() {
            clearTimeout(timer);
            var q = this.value.trim();
            if (q.length < 3) { results.style.display = 'none'; return; }
            timer = setTimeout(function() { self._search(q); }, 400);
        });

        input.addEventListener('keydown', function(e) {
            if (e.key === 'Enter') {
                e.preventDefault();
                var q = this.value.trim();
                if (q.length >= 2) self._search(q);
            }
        });
    },

    _search(query) {
        var results = document.getElementById('search-results');
        fetch('https://nominatim.openstreetmap.org/search?q=' + encodeURIComponent(query) + '&format=json&limit=5', {
            headers: { 'Accept-Language': 'de' }
        })
        .then(function(r) { return r.json(); })
        .then(function(data) {
            if (!data.length) { results.innerHTML = '<div class="search-empty">Keine Ergebnisse</div>'; results.style.display = 'block'; return; }
            results.innerHTML = data.map(function(r) {
                return '<div class="search-item" onclick="SearchUI.flyTo(' + r.lat + ',' + r.lon + ')">' +
                    '<span class="search-name">' + r.display_name.split(',').slice(0, 2).join(', ') + '</span></div>';
            }).join('');
            results.style.display = 'block';
        })
        .catch(function() { results.style.display = 'none'; });
    },

    flyTo(lat, lon) {
        if (typeof Globe !== 'undefined' && Globe.viewer) {
            Globe.viewer.camera.flyTo({
                destination: Cesium.Cartesian3.fromDegrees(lon, lat, 500000),
                duration: 1.5,
            });
        }
        var results = document.getElementById('search-results');
        if (results) results.style.display = 'none';
        var input = document.getElementById('globe-search');
        if (input) input.value = '';
    },
};