/* AegisSight Monitor - Product Page v2 */
(function () {
    'use strict';

    /* ==================== NAVBAR ==================== */
    var navbar = document.getElementById('navbar');
    window.addEventListener('scroll', function () {
        navbar.classList.toggle('scrolled', window.scrollY > 10);
    });

    /* ==================== MOBILE MENU ==================== */
    var toggle = document.querySelector('.mobile-menu-toggle');
    var menu = document.getElementById('mobile-menu');
    var overlay = document.getElementById('mobile-overlay');

    function closeMenu() {
        toggle.classList.remove('active');
        menu.classList.remove('open');
        overlay.classList.remove('open');
        toggle.setAttribute('aria-expanded', 'false');
    }

    toggle.addEventListener('click', function () {
        var isOpen = menu.classList.contains('open');
        if (isOpen) { closeMenu(); } else {
            toggle.classList.add('active');
            menu.classList.add('open');
            overlay.classList.add('open');
            toggle.setAttribute('aria-expanded', 'true');
        }
    });

    overlay.addEventListener('click', closeMenu);
    menu.querySelectorAll('a').forEach(function (l) { l.addEventListener('click', closeMenu); });

    /* ==================== SMOOTH SCROLL ==================== */
    document.querySelectorAll('a[href^="#"]').forEach(function (link) {
        link.addEventListener('click', function (e) {
            var t = document.querySelector(this.getAttribute('href'));
            if (t) { e.preventDefault(); t.scrollIntoView({ behavior: 'smooth' }); }
        });
    });

    /* ==================== HERO SLIDER ==================== */
    var heroSlides = document.querySelectorAll('.hero-slide');
    var heroDots = document.querySelectorAll('.hero-dot');
    var heroCurrentSlide = 0;
    var heroTimer = null;
    var HERO_INTERVAL = 8000;
    var heroIsTransitioning = false;

    function heroGoTo(index) {
        if (heroIsTransitioning || index === heroCurrentSlide || !heroSlides.length) return;
        heroIsTransitioning = true;

        var oldIndex = heroCurrentSlide;
        heroSlides[oldIndex].classList.add('exiting');
        heroSlides[oldIndex].classList.remove('active');
        if (heroDots[oldIndex]) heroDots[oldIndex].classList.remove('active');

        setTimeout(function () {
            heroSlides[oldIndex].classList.remove('exiting');
            heroCurrentSlide = index;
            heroSlides[heroCurrentSlide].classList.add('active');
            if (heroDots[heroCurrentSlide]) heroDots[heroCurrentSlide].classList.add('active');
            heroIsTransitioning = false;
            // Fullscreen video only on slide 0
            var vid = document.getElementById('hero-fullscreen-video');
            if (vid) vid.classList.toggle('visible', heroCurrentSlide === 0);
        }, 400);
    }

    function heroNext() {
        heroGoTo((heroCurrentSlide + 1) % heroSlides.length);
    }

    function heroPrev() {
        heroGoTo((heroCurrentSlide - 1 + heroSlides.length) % heroSlides.length);
    }

    function heroStartAutoplay() {
        heroStopAutoplay();
        heroTimer = setInterval(heroNext, HERO_INTERVAL);
    }

    function heroStopAutoplay() {
        if (heroTimer) { clearInterval(heroTimer); heroTimer = null; }
    }

    heroDots.forEach(function (dot, i) {
        dot.addEventListener('click', function () {
            heroGoTo(i);
            heroStartAutoplay();
        });
    });

    var heroPrevBtn = document.querySelector('.hero-arrow-prev');
    var heroNextBtn = document.querySelector('.hero-arrow-next');
    if (heroPrevBtn) heroPrevBtn.addEventListener('click', function () { heroPrev(); heroStartAutoplay(); });
    if (heroNextBtn) heroNextBtn.addEventListener('click', function () { heroNext(); heroStartAutoplay(); });

    var heroSlider = document.querySelector('.hero-slider');
    if (heroSlider) {
        heroSlider.addEventListener('mouseenter', heroStopAutoplay);
        heroSlider.addEventListener('mouseleave', heroStartAutoplay);

        var heroTouchStartX = 0;
        heroSlider.addEventListener('touchstart', function (e) {
            heroTouchStartX = e.changedTouches[0].screenX;
            heroStopAutoplay();
        }, { passive: true });
        heroSlider.addEventListener('touchend', function (e) {
            var diff = e.changedTouches[0].screenX - heroTouchStartX;
            if (Math.abs(diff) > 50) {
                if (diff < 0) heroNext(); else heroPrev();
            }
            heroStartAutoplay();
        }, { passive: true });
    }

    document.addEventListener('visibilitychange', function () {
        if (document.hidden) { heroStopAutoplay(); }
        else { heroStartAutoplay(); }
    });

    if (heroSlides.length > 1) heroStartAutoplay();

    /* ==================== MAP STATE ==================== */
    var mapInstance = null;
    var markerLayer = null;
    var legendControl = null;
    var lageData = {};
    var dataLoaded = false;

    var lageTitles = {
        'iran-konflikt': 'Gro\u00dflage - Irankonflikt',
        'cyberangriffe': 'Cyberangriffe auf deutsche Infrastruktur',
        'deepfakes': 'Rechtliche Lage von Deepfakes in Deutschland'
    };

    /* ==================== 3D CAROUSEL ==================== */
    var cards = document.querySelectorAll('.carousel-card');
    var dots = document.querySelectorAll('.carousel-dot');
    var activeIndex = 0;

    window.positionCards = function positionCards(idx) {
        activeIndex = idx;
        cards.forEach(function (card, i) {
            card.classList.remove('active', 'left', 'right', 'hidden');
            if (i === idx) card.classList.add('active');
            else if (i === (idx - 1 + cards.length) % cards.length) card.classList.add('left');
            else if (i === (idx + 1) % cards.length) card.classList.add('right');
            else card.classList.add('hidden');
        });
        dots.forEach(function (dot, i) {
            dot.classList.toggle('active', i === idx);
        });
        // Update map based on active Lage (only after data loaded)
        if (!dataLoaded) return;
        var lage = cards[idx].getAttribute('data-lage');
        var mapSection = document.getElementById('map-section');
        if (lage && lageData[lage]) {
            mapSection.classList.remove('map-hidden');
            showMarkers(lageData[lage].locations, lageData[lage].category_labels);
            // Stats-Bar aktualisieren
            var titleEl = document.querySelector('.live-stats-title');
            if (titleEl) titleEl.textContent = lageTitles[lage] || lage;
            countUp(document.getElementById('stat-articles'), lageData[lage].article_count);
            countUp(document.getElementById('stat-sources'), lageData[lage].source_count);
            countUp(document.getElementById('stat-factchecks'), lageData[lage].factcheck_count);
        } else {
            if (mapSection) mapSection.classList.add('map-hidden');
            clearMarkers();
        }
    }

    cards.forEach(function (card, i) {
        card.addEventListener('click', function () {
            if (!card.classList.contains('active')) positionCards(i);
        });
    });

    dots.forEach(function (dot, i) {
        dot.addEventListener('click', function () { positionCards(i); });
    });

    positionCards(0);

    // Arrow navigation
    var prevBtn = document.querySelector('.carousel-prev');
    var nextBtn = document.querySelector('.carousel-next');
    if (prevBtn) prevBtn.addEventListener('click', function () {
        positionCards((activeIndex - 1 + cards.length) % cards.length);
    });
    if (nextBtn) nextBtn.addEventListener('click', function () {
        positionCards((activeIndex + 1) % cards.length);
    });

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

    /* ==================== COUNT-UP ANIMATION ==================== */
    function countUp(el, target) {
        if (!el) return;
        if (!target) { el.textContent = '0'; return; }
        var duration = 1200;
        var startTime = null;
        function step(ts) {
            if (!startTime) startTime = ts;
            var progress = Math.min((ts - startTime) / duration, 1);
            var ease = 1 - Math.pow(1 - progress, 3);
            el.textContent = Math.floor(ease * target).toLocaleString('de-DE');
            if (progress < 1) requestAnimationFrame(step);
        }
        requestAnimationFrame(step);
    }

    /* ==================== LIVE DATA ==================== */
    function timeAgo(dateStr) {
        var diffMin = Math.floor((Date.now() - new Date(dateStr).getTime()) / 60000);
        if (diffMin < 1) return 'Gerade eben aktualisiert';
        if (diffMin < 60) return 'Aktualisiert vor ' + diffMin + ' Min.';
        var diffH = Math.floor(diffMin / 60);
        if (diffH < 24) return 'Aktualisiert vor ' + diffH + ' Std.';
        var diffD = Math.floor(diffH / 24);
        return 'Aktualisiert vor ' + diffD + (diffD === 1 ? ' Tag' : ' Tagen');
    }

    function loadLiveData() {
        fetch('/lagen/iran-konflikt/data/summary.json?t=' + Date.now())
            .then(function (r) { if (!r.ok) throw new Error(r.status); return r.json(); })
            .then(function (data) {
                var inc = data.incident || {};
                // summary.json has flat structure

                var ea = document.getElementById('stat-articles');
                var es = document.getElementById('stat-sources');
                var ef = document.getElementById('stat-factchecks');
                countUp(ea, inc.article_count);
                countUp(es, inc.source_count);
                countUp(ef, inc.factcheck_count);

                // Excerpt: pre-extracted in summary.json
                var excerptEl = document.getElementById('excerpt-text');
                if (excerptEl && data.zusammenfassung) {
                    excerptEl.innerHTML = mdToHtml(data.zusammenfassung);
                }

                // Store data and init map
                lageData['iran-konflikt'] = {
                    locations: data.locations || [],
                    category_labels: data.category_labels || {},
                    article_count: inc.article_count || 0,
                    source_count: inc.source_count || 0,
                    factcheck_count: inc.factcheck_count || 0
                };
                dataLoaded = true;
                createMap();
                var mapSection = document.getElementById('map-section');
                if (mapSection) mapSection.classList.remove('map-hidden');
                showMarkers(data.locations || [], data.category_labels || {});
            })
            .catch(function () {
            });
    }

    /* ==================== LEAFLET MAP ==================== */
    function clearMarkers() {
        if (markerLayer) { mapInstance.removeLayer(markerLayer); markerLayer = null; }
        if (legendControl && mapInstance) { mapInstance.removeControl(legendControl); legendControl = null; }
    }

    function createMap() {
        if (mapInstance) return;
        var mapEl = document.getElementById('map-container');
        if (!mapEl || typeof L === 'undefined') return;

        mapInstance = L.map(mapEl, {
            center: [33.0, 48.0], zoom: 5, zoomControl: true, scrollWheelZoom: true,
            minZoom: 2, maxBounds: [[-85, -180], [85, 180]], maxBoundsViscosity: 1.0
        });

        L.tileLayer('https://tile.openstreetmap.de/{z}/{x}/{y}.png', {
            attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>',
            maxZoom: 19, noWrap: true
        }).addTo(mapInstance);

        setTimeout(function () { mapInstance.invalidateSize(); }, 500);
    }

    function pulseIcon(color) {
        return L.divIcon({
            className: '',
            html: '<div class="pulse-marker-wrapper">'
                + '<div class="pulse-marker-ring" style="border-color:' + color + '"></div>'
                + '<div class="pulse-marker-ring" style="border-color:' + color + '"></div>'
                + '<div class="pulse-marker-dot" style="background:' + color + ';box-shadow:0 0 10px ' + color + '"></div>'
                + '</div>',
            iconSize: [20, 20], iconAnchor: [10, 10], popupAnchor: [0, -12]
        });
    }

    function buildPopup(loc) {
        var html = '<strong style="color:#E8ECF4;">' + (loc.name || '') + '</strong>';
        if (loc.country_code) html += ' <span style="color:#8896AB;font-size:0.8rem;">(' + loc.country_code + ')</span>';
        html += '<br><span style="font-size:0.85rem;color:#8896AB;">' + (loc.article_count || 0) + ' Artikel</span>';
        if (loc.top_articles && loc.top_articles.length > 0) {
            html += '<div style="margin-top:6px;border-top:1px solid #1E2D45;padding-top:6px;">';
            loc.top_articles.forEach(function (a) {
                var hl = (a.headline || '').replace(/\*\*/g, '');
                if (hl.length > 60) hl = hl.substring(0, 60) + '\u2026';
                if (a.url) {
                    html += '<a href="' + a.url + '" target="_blank" rel="noopener" style="color:#C8A851;font-size:0.8rem;display:block;margin-top:3px;text-decoration:none;">' + hl + '</a>';
                } else {
                    html += '<span style="color:#8896AB;font-size:0.8rem;display:block;margin-top:3px;">' + hl + '</span>';
                }
                html += '<span style="color:#556B7A;font-size:0.7rem;">' + (a.source || '') + '</span>';
            });
            html += '</div>';
        }
        return html;
    }

    function showMarkers(locations, apiLabels) {
        if (!mapInstance) createMap();
        clearMarkers();

        var categoryColors = {
            primary: '#ef4444',
            secondary: '#f59e0b',
            tertiary: '#3b82f6',
            mentioned: '#7b7b7b'
        };

        var defaultLabels = {
            primary: 'Hauptgeschehen',
            secondary: 'Reaktionen',
            tertiary: 'Beteiligte',
            mentioned: 'Erw\u00e4hnt'
        };

        var categoryLabels = {};
        ['primary', 'secondary', 'tertiary', 'mentioned'].forEach(function (k) {
            categoryLabels[k] = (apiLabels && apiLabels[k]) || defaultLabels[k];
        });

        var clusterGroup = L.markerClusterGroup({
            maxClusterRadius: 50,
            spiderfyOnMaxZoom: true,
            showCoverageOnHover: false,
            zoomToBoundsOnClick: true,
            disableClusteringAtZoom: 10
        });

        var usedCategories = {};
        var bounds = [];

        locations.forEach(function (loc) {
            if (!loc.lat || !loc.lon) return;
            var cat = loc.category || 'mentioned';
            var color = categoryColors[cat] || '#7b7b7b';
            usedCategories[cat] = true;

            var marker;
            if (cat === 'primary' || cat === 'secondary') {
                marker = L.marker([loc.lat, loc.lon], { icon: pulseIcon(color) });
            } else {
                marker = L.circleMarker([loc.lat, loc.lon], {
                    radius: 5, fillColor: color, fillOpacity: 0.7,
                    color: color, weight: 1, opacity: 0.9
                });
            }
            marker.bindPopup(buildPopup(loc), { maxWidth: 300 });
            clusterGroup.addLayer(marker);
            bounds.push([loc.lat, loc.lon]);
        });

        markerLayer = clusterGroup;
        mapInstance.addLayer(markerLayer);

        var legend = L.control({ position: 'bottomright' });
        legend.onAdd = function () {
            var div = L.DomUtil.create('div');
            div.style.cssText = 'background:#151D2E;padding:10px 14px;border-radius:4px;border:1px solid #1E2D45;box-shadow:0 2px 8px rgba(0,0,0,0.3);font-size:0.8rem;line-height:1.8;color:#E8ECF4;';
            var html = '<strong style="color:#C8A851;">Legende</strong><br>';
            ['primary', 'secondary', 'tertiary', 'mentioned'].forEach(function (cat) {
                if (usedCategories[cat]) {
                    html += '<span style="color:' + categoryColors[cat] + ';">&#9679;</span> ' + categoryLabels[cat] + '<br>';
                }
            });
            div.innerHTML = html;
            return div;
        };
        legendControl = legend;
        legendControl.addTo(mapInstance);

        if (bounds.length > 0) {
            mapInstance.fitBounds(bounds, { padding: [30, 30], maxZoom: 7 });
        }

        setTimeout(function () { mapInstance.invalidateSize(); }, 300);
    }

    /* ==================== CONTACT MODAL ==================== */
    window.openContactModal = function () {
        document.getElementById('contact-modal').style.display = 'flex';
        document.body.style.overflow = 'hidden';
    };

    window.closeContactModal = function () {
        document.getElementById('contact-modal').style.display = 'none';
        document.body.style.overflow = '';
    };

    // Close on overlay click
    var modalOverlay = document.getElementById('contact-modal');
    if (modalOverlay) {
        modalOverlay.addEventListener('click', function (e) {
            if (e.target === modalOverlay) closeContactModal();
        });
    }

    // Close on Escape
    document.addEventListener('keydown', function (e) {
        if (e.key === 'Escape' && modalOverlay && modalOverlay.style.display === 'flex') {
            closeContactModal();
        }
    });

    // Form submit -> server-side SMTP
    window.submitContact = function (e) {
        e.preventDefault();
        var btn = e.target.querySelector('button[type="submit"]');
        if (btn) { btn.disabled = true; btn.textContent = 'Wird gesendet...'; }

        fetch('/api/contact', {
            method: 'POST',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify({
                name: document.getElementById('cf-name').value,
                organisation: document.getElementById('cf-org').value,
                email: document.getElementById('cf-email').value,
                message: document.getElementById('cf-message').value
            })
        })
        .then(function (r) { return r.json().then(function (d) { return { ok: r.ok, data: d }; }); })
        .then(function (res) {
            if (res.ok) {
                document.getElementById('contact-form').style.display = 'none';
                document.getElementById('form-success').style.display = 'block';
            } else {
                alert(res.data.error || 'Fehler beim Senden');
                if (btn) { btn.disabled = false; btn.textContent = 'Nachricht senden'; }
            }
        })
        .catch(function () {
            alert('Verbindungsfehler. Bitte versuchen Sie es erneut.');
            if (btn) { btn.disabled = false; btn.textContent = 'Nachricht senden'; }
        });
        return false;
    };

    /* ==================== LOAD DEEPFAKES DATA ==================== */
    function loadDeepfakesData() {
        fetch('/lagen/deepfakes/data/summary.json?t=' + Date.now())
            .then(function (r) { if (!r.ok) throw new Error(r.status); return r.json(); })
            .then(function (data) {
                var excerptEl = document.getElementById('excerpt-text-deepfakes');
                if (excerptEl && data.zusammenfassung) {
                    var lines = data.zusammenfassung.split("\n");
                    var filtered = lines.filter(function(l) { var t = l.trim(); return !t || t.indexOf("## ") === 0 || t.indexOf("- ") === 0; });
                    excerptEl.innerHTML = mdToHtml(filtered.join("\n"));
                }

                // Store data for map
                lageData['deepfakes'] = {
                    locations: data.locations || [],
                    category_labels: data.category_labels || {},
                    article_count: (data.incident || {}).article_count || 0,
                    source_count: (data.incident || {}).source_count || 0,
                    factcheck_count: (data.incident || {}).factcheck_count || 0
                };
            })
            .catch(function () {
                var el = document.getElementById('excerpt-text-deepfakes');
                if (el) el.textContent = 'Daten konnten nicht geladen werden.';
            });
    }

    /* ==================== LOAD CYBERANGRIFFE DATA ==================== */
    function loadCyberangriffeData() {
        fetch('/lagen/cyberangriffe/data/summary.json?t=' + Date.now())
            .then(function (r) { if (!r.ok) throw new Error(r.status); return r.json(); })
            .then(function (data) {
                var excerptEl = document.getElementById('excerpt-text-cyberangriffe');
                if (excerptEl && data.zusammenfassung) {
                    excerptEl.innerHTML = mdToHtml(data.zusammenfassung);
                }
                lageData['cyberangriffe'] = {
                    locations: data.locations || [],
                    category_labels: data.category_labels || {},
                    article_count: (data.incident || {}).article_count || 0,
                    source_count: (data.incident || {}).source_count || 0,
                    factcheck_count: (data.incident || {}).factcheck_count || 0
                };
            })
            .catch(function () {
                var el = document.getElementById('excerpt-text-cyberangriffe');
                if (el) el.textContent = 'Daten konnten nicht geladen werden.';
            });
    }

    /* ==================== INIT ==================== */
    loadLiveData();
    loadDeepfakesData();
    loadCyberangriffeData();
})();