/* 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 VIDEOS ==================== */
    var videos = document.querySelectorAll('.hero-video');
    var currentVideo = 0;
    var rotationTimer;

    function switchVideo() {
        videos[currentVideo].classList.remove('active');
        currentVideo = (currentVideo + 1) % videos.length;
        var next = videos[currentVideo];
        next.currentTime = 0;
        next.play().catch(function () {});
        next.classList.add('active');
    }

    function startRotation() {
        rotationTimer = setInterval(switchVideo, 12000);
    }

    document.addEventListener('visibilitychange', function () {
        if (document.hidden) {
            clearInterval(rotationTimer);
            videos.forEach(function (v) { v.pause(); });
        } else {
            videos.forEach(function (v) { if (v.classList.contains('active')) v.play().catch(function () {}); });
            startRotation();
        }
    });

    if (videos.length > 1) startRotation();

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

    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);
        });
    }

    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 '';
        return md
            .replace(/^## .+$/gm, '')
            .replace(/^### .+$/gm, '')
            .replace(/\*\*(.+?)\*\*/g, '<strong>$1</strong>')
            .replace(/\[(\d+[a-z]?)\]/g, '')
            .replace(/\n{3,}/g, '\n\n')
            .trim()
            .split('\n\n')
            .filter(function (p) { return p.trim().length > 0; })
            .map(function (p) { return '<p>' + p.trim().replace(/\n/g, ' ') + '</p>'; })
            .join('');
    }

    /* ==================== 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');
                function countUp(el, target) {
                    if (!el || !target) return;
                    var start = 0;
                    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);
                }
                countUp(ea, inc.article_count);
                countUp(es, inc.source_count);
                countUp(ef, inc.factcheck_count);
                if (eu && data.updated_at) eu.textContent = timeAgo(data.updated_at);

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

                // Map
                if (data.locations && data.locations.length > 0) {
                    initMap(data.locations, data.category_labels || {});
                }
            })
            .catch(function () {
                if (eu) eu.textContent = 'Daten derzeit nicht verfügbar';
            });
    }

    /* ==================== LEAFLET MAP (exact lagebild style) ==================== */
    function initMap(locations, apiLabels) {
        var mapEl = document.getElementById('map-container');
        if (!mapEl || typeof L === 'undefined') return;

        var map = 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(map);

        // Exact same pulse icon as lagebild
        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]
            });
        }

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

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

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

        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 popup = '<strong style="color:#E8ECF4;">' + (loc.name || '') + '</strong>';
            if (loc.country_code) popup += ' <span style="color:#8896AB;font-size:0.8rem;">(' + loc.country_code + ')</span>';
            popup += '<br><span style="font-size:0.85rem;color:#8896AB;">' + (loc.article_count || 0) + ' Artikel</span>';

            L.marker([loc.lat, loc.lon], { icon: pulseIcon(color) })
                .addTo(map)
                .bindPopup(popup);
            bounds.push([loc.lat, loc.lon]);
        });

        // Dark legend (exact lagebild style)
        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;
        };
        legend.addTo(map);

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

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

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