/**
 * AegisSight Lagebild Page v3
 * Vollständige Darstellung aller Daten mit Tabs
 */
var Lagebild = {
    data: null,
    allSnapshots: {},
    currentView: null,
    map: null,

    async init() {
        if (typeof initTranslations === 'function') {
            try { initTranslations(); } catch(e) {}
        }
        try {
            var resp = await fetch('data/current.json?t=' + Date.now());
            if (!resp.ok) throw new Error('HTTP ' + resp.status);
            this.data = await resp.json();
            this.currentView = {
                summary: this.data.current_lagebild.summary_markdown,
                sources_json: this.data.current_lagebild.sources_json,
                updated_at: this.data.current_lagebild.updated_at || this.data.generated_at,
                articles: this.data.articles,
                fact_checks: this.data.fact_checks
            };
            this.render();
            this.initTabs();
            this.initLangToggle();
        } catch (e) {
            console.error('Lagebild laden fehlgeschlagen:', e);
            this.showError();
        }
    },

    render: function() {
        this.renderHero();
        this.renderSnapshotSelector();
        this.renderCurrentView();
    },

    renderHero: function() {
        var d = this.data;
        document.getElementById('incident-title').textContent = this.fixUmlauts(d.incident.title);
        var metaHtml = '';
        metaHtml += this.metaBadge('clock', 'Stand: ' + this.fmtDT(this.data.generated_at));
        metaHtml += this.metaBadge('doc', d.incident.article_count + ' Artikel');
        metaHtml += this.metaBadge('globe', d.incident.source_count + ' Quellen');
        metaHtml += this.metaBadge('check', d.incident.factcheck_count + ' Faktenchecks');
        document.getElementById('hero-meta').innerHTML = metaHtml;
    },

    metaBadge: function(icon, text) {
        var icons = {
            clock: '<circle cx="12" cy="12" r="10"/><polyline points="12 6 12 12 16 14"/>',
            doc: '<path d="M14 2H6a2 2 0 00-2 2v16a2 2 0 002 2h12a2 2 0 002-2V8z"/><polyline points="14 2 14 8 20 8"/>',
            globe: '<circle cx="12" cy="12" r="10"/><line x1="2" y1="12" x2="22" y2="12"/><path d="M12 2a15.3 15.3 0 014 10 15.3 15.3 0 01-4 10 15.3 15.3 0 01-4-10 15.3 15.3 0 014-10z"/>',
            check: '<path d="M22 11.08V12a10 10 0 11-5.93-9.14"/><polyline points="22 4 12 14.01 9 11.01"/>'
        };
        return '<div class="meta-badge"><svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">' + icons[icon] + '</svg><span>' + text + '</span></div>';
    },

    renderSnapshotSelector: function() {
        var select = document.getElementById('snapshot-select');
        select.innerHTML = '';
        var optC = document.createElement('option');
        optC.value = 'current';
        optC.textContent = this.fmtDT(this.data.current_lagebild.updated_at || this.data.generated_at) + ' — Aktuell';
        optC.selected = true;
        select.appendChild(optC);
        var snaps = this.data.available_snapshots || [];
        for (var i = 0; i < snaps.length; i++) {
            var s = snaps[i];
            var opt = document.createElement('option');
            opt.value = s.id;
            opt.textContent = this.fmtDT(s.created_at) + ' — ' + s.article_count + ' Artikel, ' + s.fact_check_count + ' Faktenchecks';
            select.appendChild(opt);
        }
        var self = this;
        select.addEventListener('change', function() {
            if (this.value === 'current') {
                self.currentView = {
                    summary: self.data.current_lagebild.summary_markdown,
                    sources_json: self.data.current_lagebild.sources_json,
                    updated_at: self.data.current_lagebild.updated_at || self.data.generated_at,
                    articles: self.data.articles,
                    fact_checks: self.data.fact_checks
                };
                self.renderCurrentView();
            } else {
                self.loadSnapshot(parseInt(this.value));
            }
        });
    },

    loadSnapshot: async function(id) {
        if (this.allSnapshots[id]) {
            this.currentView = this.allSnapshots[id];
            this.renderCurrentView();
            return;
        }
        try {
            var resp = await fetch('data/snapshot-' + id + '.json');
            if (!resp.ok) throw new Error('HTTP ' + resp.status);
            var sd = await resp.json();
            var sj = sd.sources_json;
            if (typeof sj === 'string') { try { sj = JSON.parse(sj); } catch(e) { sj = []; } }
            this.currentView = {
                summary: sd.summary,
                sources_json: sj || [],
                updated_at: sd.created_at,
                articles: this.data.articles,
                fact_checks: this.data.fact_checks
            };
            this.allSnapshots[id] = this.currentView;
            this.renderCurrentView();
        } catch (e) { console.error('Snapshot Fehler:', e); }
    },

    renderCurrentView: function() {
        this.renderSummary();
        this.renderInlineSources();
        this.renderSourcesTab();
        this.renderArticlesTab();
        this.renderFactChecksTab();
        if (document.getElementById('panel-karte').classList.contains('active')) {
            this.renderMap();
        }
    },

    // ===== TAB: LAGEBILD =====
    renderSummary: function() {
        var v = this.currentView;
        document.getElementById('lagebild-timestamp').textContent = this.fmtDT(v.updated_at);
        var md = this.fixUmlauts(v.summary || '');
        var html = this.mdToHtml(md);
        html = html.replace(/\[(\d+)\]/g, '<a class="citation-ref" href="#src-$1" title="Quelle $1">[$1]</a>');
        document.getElementById('summary-content').innerHTML = html;
    },

    renderInlineSources: function() {
        var sources = this.currentView.sources_json || [];
        if (!sources.length) { document.getElementById('inline-sources').innerHTML = ''; return; }
        var h = '<h3 style="font-size:1rem;font-weight:700;color:#1a1a2e;margin:0 0 12px;">Quellenverzeichnis</h3>';
        h += '<ul class="inline-sources-list">';
        for (var i = 0; i < sources.length; i++) {
            var s = sources[i];
            h += '<li id="src-' + s.nr + '"><span class="src-nr">[' + s.nr + ']</span><span>';
            h += '<strong>' + this.esc(s.name || '') + '</strong>';
            if (s.url) h += ' &mdash; <a href="' + this.esc(s.url) + '" target="_blank" rel="noopener">' + this.esc(s.url) + '</a>';
            h += '</span></li>';
        }
        h += '</ul>';
        document.getElementById('inline-sources').innerHTML = h;
    },

    // ===== TAB: QUELLEN =====
    renderSourcesTab: function() {
        var sources = this.currentView.sources_json || [];
        var articles = this.currentView.articles || [];
        var h = '';

        // Zitierte Quellen
        h += '<div class="sources-section"><h3>Im Lagebild zitierte Quellen (' + sources.length + ')</h3>';
        if (sources.length) {
            h += '<ol class="sources-list">';
            for (var i = 0; i < sources.length; i++) {
                var s = sources[i];
                h += '<li><span class="source-name">' + this.esc(s.name || '') + '</span>';
                if (s.url) h += ' &mdash; <a href="' + this.esc(s.url) + '" target="_blank" rel="noopener">' + this.esc(s.url) + '</a>';
                h += '</li>';
            }
            h += '</ol>';
        }
        h += '</div>';
        document.getElementById('sources-cited').innerHTML = h;

        // Alle Artikel
        document.getElementById('articles-heading').textContent = 'Alle gesammelten Artikel (' + articles.length + ')';
        var ah = '';
        for (var i = 0; i < articles.length; i++) {
            var a = articles[i];
            var dt = a.published_at || a.collected_at || '';
            var dObj = dt ? new Date(this.toUTC(dt)) : null;
            var hl = this.fixUmlauts(a.headline_de || a.headline || '');
            ah += '<div class="article-card">';
            ah += '<div class="article-date">';
            if (dObj && !isNaN(dObj.getTime())) {
                ah += '<span class="day">' + dObj.getDate() + '</span>';
                ah += '<span class="month">' + dObj.toLocaleDateString('de-DE', {month:'short'}) + '</span>';
            }
            ah += '</div><div class="article-info">';
            ah += '<p class="article-headline">';
            if (a.source_url) ah += '<a href="' + this.esc(a.source_url) + '" target="_blank" rel="noopener">';
            ah += this.esc(hl);
            if (a.source_url) ah += '</a>';
            ah += '</p><div class="article-meta">';
            ah += '<span class="article-source">' + this.esc(a.source || '') + '</span>';
            if (a.language) ah += '<span class="article-lang">' + a.language.toUpperCase() + '</span>';
            if (dObj && !isNaN(dObj.getTime())) {
                ah += '<span>' + dObj.toLocaleDateString('de-DE', {day:'2-digit',month:'2-digit',year:'numeric'}) + ', ' + dObj.toLocaleTimeString('de-DE', {hour:'2-digit',minute:'2-digit'}) + ' Uhr</span>';
            }
            if (a.source_url) ah += '<span><a href="' + this.esc(a.source_url) + '" target="_blank" rel="noopener" style="color:#0f72b5;text-decoration:none;font-size:0.78rem;">Artikel lesen &rarr;</a></span>';
            ah += '</div></div></div>';
        }
        document.getElementById('articles-content').innerHTML = ah;
    },

    // Placeholder for separate articles render (not used in tab structure)
    renderArticlesTab: function() {},

    // ===== TAB: KARTE =====
    renderMap: function() {
        if (this.map) { this.map.remove(); this.map = null; }
        this.map = L.map('map-container').setView([33.0, 48.0], 5);

        // Deutsche Kartenbeschriftungen via OpenStreetMap DE
        L.tileLayer('https://tile.openstreetmap.de/{z}/{x}/{y}.png', {
            attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>',
            maxZoom: 18
        }).addTo(this.map);

        var redIcon = L.icon({
            iconUrl: 'https://raw.githubusercontent.com/pointhi/leaflet-color-markers/master/img/marker-icon-2x-red.png',
            shadowUrl: 'https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.9.4/images/marker-shadow.png',
            iconSize: [25, 41], iconAnchor: [12, 41], popupAnchor: [1, -34], shadowSize: [41, 41]
        });
        var blueIcon = L.icon({
            iconUrl: 'https://raw.githubusercontent.com/pointhi/leaflet-color-markers/master/img/marker-icon-2x-blue.png',
            shadowUrl: 'https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.9.4/images/marker-shadow.png',
            iconSize: [25, 41], iconAnchor: [12, 41], popupAnchor: [1, -34], shadowSize: [41, 41]
        });
        var orangeIcon = L.icon({
            iconUrl: 'https://raw.githubusercontent.com/pointhi/leaflet-color-markers/master/img/marker-icon-2x-orange.png',
            shadowUrl: 'https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.9.4/images/marker-shadow.png',
            iconSize: [25, 41], iconAnchor: [12, 41], popupAnchor: [1, -34], shadowSize: [41, 41]
        });

        var locs = [
            {n:'Teheran, Iran',lat:35.6892,lng:51.3890,d:'Hauptziel der US-israelischen Luftschläge. Über 1.000 Tote nach fünf Tagen Krieg.',ic:redIcon},
            {n:'Beirut, Libanon',lat:33.8938,lng:35.5018,d:'Gleichzeitige US-israelische Luftschläge auf Beirut und Teheran [6].',ic:redIcon},
            {n:'Juffair, Bahrain',lat:26.2235,lng:50.6001,d:'US-Marinebasis — Ziel iranischer Vergeltungsraketen [3].',ic:orangeIcon},
            {n:'Al Udeid, Katar',lat:25.1173,lng:51.3150,d:'US-Luftwaffenstützpunkt — Ziel iranischer Gegenangriffe.',ic:orangeIcon},
            {n:'Tel Aviv, Israel',lat:32.0853,lng:34.7818,d:'Operationsbasis für israelische Angriffe auf den Iran.',ic:blueIcon},
            {n:'Ankara, Türkei',lat:39.9334,lng:32.8597,d:'NATO vermutet iranischen Raketenbeschuss auf Türkei [10]. Keine NATO-Beteiligung geplant.',ic:orangeIcon},
            {n:'Bagdad, Irak',lat:33.3152,lng:44.3661,d:'Lage im Irak als Faktor im Kriegsverlauf [2].',ic:blueIcon},
            {n:'Persischer Golf',lat:27.0,lng:51.5,d:'Iran greift Energieinfrastruktur und diplomatische Einrichtungen in der Golfregion an.',ic:orangeIcon},
            {n:'Dubai, VAE',lat:25.2048,lng:55.2708,d:'US-Botschaft in Dubai durch iranischen Angriff getroffen.',ic:redIcon},
            {n:'Washington D.C., USA',lat:38.9072,lng:-77.0369,d:'War-Powers-Abstimmung im Senat gescheitert (47:53). Trump verteidigt Iran-Krieg vor Kongress.',ic:blueIcon}
        ];

        for (var i = 0; i < locs.length; i++) {
            var l = locs[i];
            L.marker([l.lat, l.lng], {icon: l.ic})
                .addTo(this.map)
                .bindPopup('<strong>' + l.n + '</strong><br><span style="font-size:0.85rem;color:#444;">' + l.d + '</span>');
        }

        // Legende
        var legend = L.control({position: 'bottomright'});
        legend.onAdd = function() {
            var div = L.DomUtil.create('div', 'map-legend');
            div.style.cssText = 'background:#fff;padding:10px 14px;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,0.15);font-size:0.8rem;line-height:1.8;';
            div.innerHTML = '<strong>Legende</strong><br>'
                + '<span style="color:#cb2b3e;">&#9679;</span> Angegriffene Ziele<br>'
                + '<span style="color:#f39c12;">&#9679;</span> Vergeltung / Eskalation<br>'
                + '<span style="color:#2a81cb;">&#9679;</span> Strategische Akteure';
            return div;
        };
        legend.addTo(this.map);

        setTimeout(function() { if (Lagebild.map) Lagebild.map.invalidateSize(); }, 300);
    },

    // ===== TAB: FAKTENCHECKS =====
    renderFactChecksTab: function() {
        var checks = this.currentView.fact_checks || [];
        if (!checks.length) {
            document.getElementById('factchecks-content').innerHTML = '<p style="color:#888">Keine Faktenchecks verfügbar.</p>';
            return;
        }

        // Statistik
        var stats = {confirmed:0, unconfirmed:0, contradicted:0, developing:0, established:0, disputed:0};
        for (var k = 0; k < checks.length; k++) {
            var st = checks[k].status || 'developing';
            if (stats[st] !== undefined) stats[st]++;
        }

        var h = '<div class="fc-stats">';
        h += '<div class="fc-stat"><span class="fc-stat-num">' + checks.length + '</span><span class="fc-stat-label">Gesamt</span></div>';
        h += '<div class="fc-stat confirmed"><span class="fc-stat-num">' + (stats.confirmed + stats.established) + '</span><span class="fc-stat-label">Bestätigt</span></div>';
        h += '<div class="fc-stat unconfirmed"><span class="fc-stat-num">' + (stats.unconfirmed + stats.developing) + '</span><span class="fc-stat-label">Offen</span></div>';
        if (stats.contradicted + stats.disputed > 0)
            h += '<div class="fc-stat contradicted"><span class="fc-stat-num">' + (stats.contradicted + stats.disputed) + '</span><span class="fc-stat-label">Widerlegt</span></div>';
        h += '</div>';

        // Sortierung: mit History zuerst, dann sources_count
        checks = checks.slice().sort(function(a, b) {
            var aH = (a.status_history || []).length;
            var bH = (b.status_history || []).length;
            if (bH !== aH) return bH - aH;
            return (b.sources_count || 0) - (a.sources_count || 0);
        });

        for (var i = 0; i < checks.length; i++) {
            var fc = checks[i];
            var status = fc.status || 'developing';
            var hasProg = fc.status_history && fc.status_history.length > 1;

            h += '<div class="factcheck-card' + (hasProg ? ' highlight' : '') + '" data-status="' + status + '">';
            h += '<div class="factcheck-header">';
            h += '<span class="status-badge ' + status + '">' + this.stLabel(status) + '</span>';
            h += '<span class="factcheck-sources">' + (fc.sources_count || 0) + ' unabhängige Quellen</span>';
            h += '</div>';
            h += '<p class="factcheck-claim">' + this.esc(this.fixUmlauts(fc.claim || '')) + '</p>';

            // Vollständige Evidenz anzeigen
            if (fc.evidence) {
                var ev = this.fixUmlauts(fc.evidence);
                // URLs in der Evidenz klickbar machen
                ev = this.esc(ev).replace(/(https?:\/\/[^\s,)]+)/g, '<a href="$1" target="_blank" rel="noopener" style="color:#0f72b5;">$1</a>');
                h += '<div class="factcheck-evidence"><strong>Evidenz:</strong> ' + ev + '</div>';
            }

            // Status-Verlauf
            if (hasProg) {
                h += '<div class="status-progression">';
                h += '<span class="progression-label">Verlauf:</span>';
                for (var j = 0; j < fc.status_history.length; j++) {
                    var step = fc.status_history[j];
                    if (j > 0) h += '<span class="progression-arrow">&rarr;</span>';
                    h += '<span class="progression-step">';
                    h += '<span class="status-badge ' + step.status + '">' + this.stLabel(step.status) + '</span>';
                    if (step.at) h += '<span class="progression-time">' + this.fmtShort(step.at) + '</span>';
                    h += '</span>';
                }
                h += '</div>';
            }
            h += '</div>';
        }
        document.getElementById('factchecks-content').innerHTML = h;
    },

    // ===== TABS =====
    initTabs: function() {
        var btns = document.querySelectorAll('.tab-btn');
        var self = this;
        for (var i = 0; i < btns.length; i++) {
            btns[i].addEventListener('click', function() {
                var tab = this.getAttribute('data-tab');
                for (var j = 0; j < btns.length; j++) btns[j].classList.remove('active');
                this.classList.add('active');
                var panels = document.querySelectorAll('.tab-panel');
                for (var j = 0; j < panels.length; j++) panels[j].classList.remove('active');
                document.getElementById('panel-' + tab).classList.add('active');
                if (tab === 'karte') self.renderMap();
            });
        }
    },

    initLangToggle: function() {
        var btn = document.querySelector('.lang-toggle');
        if (!btn) return;
        btn.addEventListener('click', function(e) {
            e.preventDefault();
            if (typeof switchLanguage === 'function') {
                var cur = (typeof getCurrentLanguage === 'function') ? getCurrentLanguage() : 'de';
                switchLanguage(cur === 'de' ? 'en' : 'de');
            }
        });
    },

    // ===== HILFSFUNKTIONEN =====
    fixUmlauts: function(text) {
        if (!text) return text;
        var skip = ['Israel','Israelis','Jazeera','Euronews','Reuters','Februar',
            'Juffair','abgefeuert','Feindseligkeiten','Gegenschlag','neuesten',
            'auszuweiten','befeuert','feuerte','Feuer','feuer','neue','neuen',
            'neuer','neues','Neue','Aero','aero','Manoeuvre','Dauerfeuer'];
        var ph = []; var c = 0;
        for (var i = 0; i < skip.length; i++) {
            var re = new RegExp('\\b' + skip[i] + '\\b', 'g');
            text = text.replace(re, function(m) { ph.push(m); return '##S' + (c++) + '##'; });
        }
        text = text.replace(/ae/g, '\u00e4').replace(/Ae/g, '\u00c4');
        text = text.replace(/oe/g, '\u00f6').replace(/Oe/g, '\u00d6');
        text = text.replace(/ue/g, '\u00fc').replace(/Ue/g, '\u00dc');
        text = text.replace(/##S(\d+)##/g, function(m, idx) { return ph[parseInt(idx)]; });
        return text;
    },

    stLabel: function(s) {
        return {confirmed:'Bestätigt',unconfirmed:'Unbestätigt',established:'Gesichert',
            unverified:'Nicht verifiziert',contradicted:'Widerlegt',disputed:'Umstritten',
            developing:'In Entwicklung','false':'Falsch'}[s] || s;
    },

    mdToHtml: function(md) {
        if (!md) return '';
        var lines = md.split('\n'), html = '', inList = false;
        for (var i = 0; i < lines.length; i++) {
            var l = lines[i];
            if (/^### (.+)$/.test(l)) { if(inList){html+='</ul>';inList=false;} html+='<h3>'+l.replace(/^### /,'')+'</h3>'; continue; }
            if (/^## (.+)$/.test(l)) { if(inList){html+='</ul>';inList=false;} html+='<h2>'+l.replace(/^## /,'')+'</h2>'; continue; }
            if (/^[-*] (.+)$/.test(l)) { if(!inList){html+='<ul>';inList=true;} html+='<li>'+l.replace(/^[-*] /,'')+'</li>'; continue; }
            if (inList) { html+='</ul>'; inList=false; }
            if (l.trim()==='') continue;
            html += '<p>' + l + '</p>';
        }
        if (inList) html += '</ul>';
        html = html.replace(/\*\*(.+?)\*\*/g, '<strong>$1</strong>');
        html = html.replace(/\*(.+?)\*/g, '<em>$1</em>');
        return html;
    },

    esc: function(s) { if(!s)return''; var d=document.createElement('div'); d.textContent=s; return d.innerHTML; },
    truncUrl: function(u) { try{return new URL(u).hostname;}catch(e){return u;} },

    // Timestamps aus der DB sind UTC, aber ohne Zeitzone-Suffix.
    // Diese Funktion haengt 'Z' an falls noetig, damit der Browser korrekt nach CET konvertiert.
    toUTC: function(s) {
        if (!s) return s;
        s = String(s).trim();
        // Hat schon Zeitzone (+00:00, Z, +01:00 etc.)? Dann nichts tun.
        if (/[Zz]$/.test(s) || /[+-]\d{2}:?\d{2}$/.test(s)) return s;
        // "2026-03-07 00:42:01" -> "2026-03-07T00:42:01Z"
        return s.replace(' ', 'T') + 'Z';
    },

    fmtDT: function(iso) {
        if (!iso) return '';
        try {
            var d = new Date(this.toUTC(iso));
            if (isNaN(d.getTime())) return iso;
            var tage = ['Sonntag','Montag','Dienstag','Mittwoch','Donnerstag','Freitag','Samstag'];
            var mon = ['Januar','Februar','M\u00e4rz','April','Mai','Juni','Juli','August','September','Oktober','November','Dezember'];
            return tage[d.getDay()] + ', ' + d.getDate() + '. ' + mon[d.getMonth()] + ' ' + d.getFullYear()
                + ' um ' + ('0'+d.getHours()).slice(-2) + ':' + ('0'+d.getMinutes()).slice(-2) + ' Uhr';
        } catch(e) { return iso; }
    },

    fmtShort: function(iso) {
        if (!iso) return '';
        try { return new Date(this.toUTC(iso)).toLocaleDateString('de-DE', {day:'numeric',month:'short',hour:'2-digit',minute:'2-digit'}); }
        catch(e) { return iso; }
    },

    showError: function() {
        document.getElementById('summary-content').innerHTML =
            '<div class="lagebild-error"><p>Das Lagebild konnte nicht geladen werden. Bitte versuchen Sie es sp\u00e4ter erneut.</p></div>';
    }
};

document.addEventListener('DOMContentLoaded', function() { Lagebild.init(); });