/* 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 ROTATION_INTERVAL = 12000;
    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, ROTATION_INTERVAL);
    }

    // Pause when tab hidden
    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();

    /* ==================== SIMPLE MARKDOWN ==================== */
    function mdToText(md) {
        if (!md) return '';
        // Remove ## headers and bold markers, keep text
        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');
    }

    var liveData = null;

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

                // Stats
                var ea = document.getElementById('stat-articles');
                var es = document.getElementById('stat-sources');
                var ef = document.getElementById('stat-factchecks');
                var eu = document.getElementById('demo-updated');
                if (ea) ea.textContent = inc.article_count || 0;
                if (es) es.textContent = inc.source_count || 0;
                if (ef) ef.textContent = inc.factcheck_count || 0;
                if (eu && lag.updated_at) eu.textContent = timeAgo(lag.updated_at);

                // Excerpt
                var excerptEl = document.getElementById('excerpt-text');
                var toggleBtn = document.getElementById('excerpt-toggle');
                if (excerptEl && lag.summary_markdown) {
                    var html = mdToText(lag.summary_markdown);
                    excerptEl.innerHTML = html;
                    toggleBtn.style.display = 'inline-block';

                    toggleBtn.addEventListener('click', function () {
                        var expanded = excerptEl.classList.toggle('expanded');
                        this.textContent = expanded ? 'Weniger anzeigen' : 'Weiterlesen';
                    });
                }

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

    /* ==================== LEAFLET MAP ==================== */
    function initMap(locations, categoryLabels) {
        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: false
        });

        L.tileLayer('https://tile.openstreetmap.de/{z}/{x}/{y}.png', {
            attribution: '&copy; OpenStreetMap',
            maxZoom: 18
        }).addTo(map);

        var catColors = {
            primary: '#E74C3C',
            secondary: '#F39C12',
            tertiary: '#3498DB',
            mentioned: '#95A5A6'
        };

        var bounds = [];

        locations.forEach(function (loc) {
            if (!loc.lat || !loc.lon) return;
            var cat = loc.category || 'mentioned';
            var color = catColors[cat] || catColors.mentioned;
            var catClass = 'cat-' + cat;

            var icon = L.divIcon({
                className: 'pulse-marker ' + catClass,
                iconSize: [12, 12],
                iconAnchor: [6, 6]
            });

            var marker = L.marker([loc.lat, loc.lon], { icon: icon }).addTo(map);
            var label = categoryLabels[cat] || cat;
            marker.bindPopup('<strong>' + loc.name + '</strong><br>' + label + ' (' + (loc.article_count || 0) + ' Artikel)');
            bounds.push([loc.lat, loc.lon]);
        });

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

        // Fix tile rendering on hidden tab / late load
        setTimeout(function () { map.invalidateSize(); }, 500);
    }

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