{% extends 'base.html' %}
{% load static wagtailcore_tags wagtailimages_tags lazyimages_tags wagtailiconchooser_tags i18n online_share %}

{% block extra_css %}
  <link rel="stylesheet" href="{% static 'cap/css/bulma-timeline.min.css' %}">
  <link rel="stylesheet" href="{% static 'css/maplibre-gl.css' %}">
  <link rel="stylesheet" href="{% static 'cap/css/cap_detail_page.css' %}">
{% endblock extra_css %}

{% block content %}
<main>
  {% include "breadcrumbs_include.html" %}

  <section class="cap-section">
    <div class="container">

      <!-- ── NOT ACTUAL WARNING ── -->
      {% if page.status != "Actual" %}
        <div class="cap-status-warning">
          <span class="cap-status-icon">{% svg_icon name="warning" %}</span>
          <div>
            <strong>{% trans "Warning: This is not an Actual alert" %}</strong>
            <span>{% trans "The alert below is marked as" %} <strong>{{ page.status }}</strong> — {% trans "not actionable to the general public." %}</span>
          </div>
        </div>
      {% endif %}

      <!-- ── REFERENCE ALERTS ── -->
      {% if page.reference_alerts %}
        <div class="cap-references">
          <p class="cap-ref-label">
            {% if page.msgType == "Update" %}{% translate "This alert updates the previously published alerts below:" %}{% endif %}
            {% if page.msgType == "Cancel" %}{% translate "This alert cancels the previously published alerts below:" %}{% endif %}
          </p>
          <div class="cap-ref-list">
            {% for ref_alert in page.reference_alerts %}
              {% with ref_alert.infos.0 as alert_info %}
                <a class="cap-ref-item" href="{{ ref_alert.url }}">
                  <span class="cap-ref-dot"
                        style="background:{{ alert_info.severity.color }};
                               border-color:{{ alert_info.severity.border_color }};"></span>
                  <div>
                    <div class="cap-ref-title">{{ ref_alert.title }}</div>
                    <div class="cap-ref-date">{{ ref_alert.sent }}</div>
                  </div>
                </a>
              {% endwith %}
            {% endfor %}
          </div>
        </div>
      {% endif %}

      <!-- ── PAGE TITLE + SHARE ── -->
      <div class="cap-page-header">
        <div>
          <p class="cap-page-eyebrow">{% translate "CAP Alert" %} · {{ page.status }}</p>
          <h1 class="cap-page-title">{{ page.title }}</h1>
        </div>
        <div class="cap-share-row">
          <a class="cap-share-btn" href="{{ page.xml_link }}" target="_blank" rel="noreferrer noopener">
            <span class="icon">{% svg_icon name="cap-alert" %}</span>
            <span>CAP XML</span>
          </a>
          {% if page.search_image %}
            {% image page.search_image original as alert_png %}
            <a class="cap-share-btn" href="{{ alert_png.url }}" target="_blank">
              <span class="icon">{% svg_icon name="image" %}</span>
              <span>{% translate "PNG" %}</span>
            </a>
          {% endif %}
          {% if page.alert_pdf_preview %}
            <a class="cap-share-btn" href="{{ page.alert_pdf_preview.url }}">
              <span class="icon">{% svg_icon name="doc-full-inverse" %}</span>
              <span>{% translate "PDF" %}</span>
            </a>
          {% endif %}
          <div class="cap-share-social share-buttons">
            {% share_buttons url=page.get_full_url text=page.title %}
          </div>
        </div>
      </div>

      <!-- ── MAIN CARD: sidebar left, map+tabs right ── -->
      <div class="cap-card">
        <div class="cap-layout">

          <!-- ── LEFT SIDEBAR ── -->
          <div class="cap-sidebar">

            <!-- active info severity badge — updates on tab switch -->
            <div class="cap-sb-severity" id="cap-sb-severity">
              {% with sorted_infos.0 as first_info %}
                {% if first_info %}
                  <div class="cap-sb-sev-icon"
                       id="cap-sb-sev-icon"
                       style="background:{{ first_info.severity.background_color }};
                              border-color:{{ first_info.severity.border_color }};
                              {% if first_info.severity.icon_color %}color:{{ first_info.severity.icon_color }};{% endif %}">
                    {% if first_info.event_icon %}{% svg_icon name=first_info.event_icon %}{% endif %}
                  </div>
                  <div>
                    <div class="cap-sb-sev-event" id="cap-sb-sev-event">{{ first_info.status }}: {{ first_info.event }}</div>
                    <div class="cap-sb-sev-label" id="cap-sb-sev-label">{{ first_info.severity.label }}</div>
                  </div>
                {% endif %}
              {% endwith %}
            </div>

            <!-- meta rows — static per alert, not per info -->
            {% with sorted_infos.0 as fi %}
              {% if fi %}
                <div class="cap-sb-meta">
                  <div class="cap-sb-meta-row">
                    <span class="cap-sb-meta-icon">{% svg_icon name="time" %}</span>
                    <span class="cap-sb-meta-lbl">{% translate "Urgency" %}</span>
                    <span class="cap-sb-meta-val" id="cap-sb-urgency">
                      {% with u=fi.info.value.urgency %}
                        {% if u == "Immediate" %}{% translate "Immediate" %}
                        {% elif u == "Expected" %}{% translate "Expected" %}
                        {% elif u == "Future" %}{% translate "Future" %}
                        {% elif u == "Past" %}{% translate "Past" %}
                        {% endif %}
                      {% endwith %}
                    </span>
                  </div>
                  <div class="cap-sb-meta-row">
                    <span class="cap-sb-meta-icon">{% svg_icon name="warning" %}</span>
                    <span class="cap-sb-meta-lbl">{% translate "Severity" %}</span>
                    <span class="cap-sb-meta-val" id="cap-sb-severity-val">
                      {% with s=fi.info.value.severity %}
                        {% if s == "Extreme" %}{% translate "Extreme" %}
                        {% elif s == "Severe" %}{% translate "Severe" %}
                        {% elif s == "Moderate" %}{% translate "Moderate" %}
                        {% elif s == "Minor" %}{% translate "Minor" %}
                        {% endif %}
                      {% endwith %}
                    </span>
                  </div>
                  <div class="cap-sb-meta-row">
                    <span class="cap-sb-meta-icon">{% svg_icon name="crosshairs" %}</span>
                    <span class="cap-sb-meta-lbl">{% translate "Certainty" %}</span>
                    <span class="cap-sb-meta-val" id="cap-sb-certainty">
                      {% with c=fi.info.value.certainty %}
                        {% if c == "Observed" %}{% translate "Observed" %}
                        {% elif c == "Likely" %}{% translate "Likely" %}
                        {% elif c == "Possible" %}{% translate "Possible" %}
                        {% elif c == "Unlikely" %}{% translate "Unlikely" %}
                        {% endif %}
                      {% endwith %}
                    </span>
                  </div>
                  <div class="cap-sb-meta-row">
                    <span class="cap-sb-meta-icon">{% svg_icon name="cap-category" %}</span>
                    <span class="cap-sb-meta-lbl">{% translate "Category" %}</span>
                    <span class="cap-sb-meta-val" id="cap-sb-category">{{ fi.category }}</span>
                  </div>
                  <div class="cap-sb-meta-row">
                    <span class="cap-sb-meta-icon">{% svg_icon name="cap-language" %}</span>
                    <span class="cap-sb-meta-lbl">{% translate "Language" %}</span>
                    <span class="cap-sb-meta-val" id="cap-sb-language">{{ fi.info.value.language }}</span>
                  </div>
                </div>

                <!-- timeline -->
                <div class="cap-sb-section">
                  <div class="cap-sb-section-title">{% translate "Time period" %}</div>
                  <ul class="cap-sb-timeline" id="cap-sb-timeline">
                    <li class="cap-sb-tl-item">
                      <div class="cap-sb-tl-dot"></div>
                      <div>
                        <span class="cap-sb-tl-type">{% translate "Issued" %}</span>
                        <span class="cap-sb-tl-val">{{ page.sent|date:"d M Y H:i" }}</span>
                      </div>
                    </li>
                    <li class="cap-sb-tl-item">
                      <div class="cap-sb-tl-dot"></div>
                      <div>
                        <span class="cap-sb-tl-type">{% translate "Effective" %}</span>
                        <span class="cap-sb-tl-val">
                          {% if fi.info.value.effective %}{{ fi.info.value.effective|date:"d M Y H:i" }}
                          {% else %}{{ page.sent|date:"d M Y H:i" }}{% endif %}
                        </span>
                      </div>
                    </li>
                    {% if fi.info.value.onset %}
                      <li class="cap-sb-tl-item">
                        <div class="cap-sb-tl-dot"></div>
                        <div>
                          <span class="cap-sb-tl-type">{% translate "Onset" %}</span>
                          <span class="cap-sb-tl-val">{{ fi.info.value.onset|date:"d M Y H:i" }}</span>
                        </div>
                      </li>
                    {% endif %}
                    <li class="cap-sb-tl-item">
                      <div class="cap-sb-tl-dot"></div>
                      <div>
                        <span class="cap-sb-tl-type">{% translate "Expires" %}</span>
                        <span class="cap-sb-tl-val">{{ fi.info.value.expires|date:"d M Y H:i" }}</span>
                      </div>
                    </li>
                  </ul>
                </div>
              {% endif %}
            {% endwith %}

            <!-- legend -->
            <div class="cap-sb-section">
              <div class="cap-sb-section-title">{% translate "Severity" %}</div>
              <div class="cap-sb-legend">
                <div class="cap-sb-legend-item"><span class="cap-sb-legend-dot" style="background:#d42d41;"></span><span>{% translate "Extreme" %}</span></div>
                <div class="cap-sb-legend-item"><span class="cap-sb-legend-dot" style="background:#f08c11;"></span><span>{% translate "Severe" %}</span></div>
                <div class="cap-sb-legend-item"><span class="cap-sb-legend-dot" style="background:#f4cf00;"></span><span>{% translate "Moderate" %}</span></div>
                <div class="cap-sb-legend-item"><span class="cap-sb-legend-dot" style="background:#399cc7;"></span><span>{% translate "Minor" %}</span></div>
              </div>
            </div>

          </div>

          <!-- ── RIGHT: MAP + TABS + CONTENT ── -->
          <div class="cap-right">

            <!-- MAP -->
            <div class="cap-map-wrap">
              <div id="cap-map" class="cap-map"></div>
            </div>

            <!-- UNDERLINE EVENT TABS -->
            {% if sorted_infos|length > 0 %}
              <div class="cap-tab-strip" id="cap-tab-strip">
                {% for item in sorted_infos %}
                  <button class="cap-tab {% if forloop.first %}active{% endif %}"
                          data-target="{{ item.info.id }}"
                          data-event="{{ item.event }}"
                          data-status="{{ item.status }}"
                          data-sev-label="{{ item.severity.label }}"
                          data-sev-bg="{{ item.severity.background_color }}"
                          data-sev-border="{{ item.severity.border_color }}"
                          data-sev-icon-color="{{ item.severity.icon_color }}"
                          data-urgency="{{ item.info.value.urgency }}"
                          data-severity="{{ item.info.value.severity }}"
                          data-certainty="{{ item.info.value.certainty }}"
                          data-category="{{ item.category }}"
                          data-language="{{ item.info.value.language }}"
                          data-event-icon="{{ item.event_icon }}">
                    {% if item.event_icon %}
                      <span class="cap-tab-icon"
                            style="background:{{ item.severity.background_color }};
                                   {% if item.severity.icon_color %}color:{{ item.severity.icon_color }};{% endif %}">
                        {% svg_icon name=item.event_icon %}
                      </span>
                    {% else %}
                      <span class="cap-tab-dot"
                            style="background:{{ item.severity.color }};"></span>
                    {% endif %}
                    <span class="cap-tab-label">{{ item.event|truncatechars:40 }} ({{ item.info.value.language }})</span>
                  </button>
                {% endfor %}
              </div>
            {% endif %}

            <!-- TAB CONTENT PANELS -->
            <div class="cap-right-content">
              {% for alert_info in sorted_infos %}
                {% with item=alert_info.info %}
                  <div class="cap-detail-panel {% if not forloop.first %}is-hidden{% endif %}"
                       id="{{ alert_info.info.id }}">

                    <!-- headline -->
                    {% if item.value.headline %}
                      <h2 class="cap-detail-headline">{{ item.value.headline }}</h2>
                    {% endif %}

                    <!-- response types -->
                    {% if item.value.responseType %}
                      <div class="cap-detail-section">
                        <div class="cap-detail-section-title">{% translate "Response" %}</div>
                        <p class="cap-detail-text">
                          {% for r in item.value.responseType %}
                            {% with rt=r.response_type %}
                              {% if rt == "Shelter" %}{% translate "Shelter" %}
                              {% elif rt == "Evacuate" %}{% translate "Evacuate" %}
                              {% elif rt == "Prepare" %}{% translate "Prepare" %}
                              {% elif rt == "Execute" %}{% translate "Execute" %}
                              {% elif rt == "Avoid" %}{% translate "Avoid" %}
                              {% elif rt == "Monitor" %}{% translate "Monitor" %}
                              {% elif rt == "Assess" %}{% translate "Assess" %}
                              {% elif rt == "AllClear" %}{% translate "All Clear" %}
                              {% elif rt == "None" %}{% translate "None" %}
                              {% endif %}
                            {% endwith %}
                            {% if not forloop.last %}, {% endif %}
                          {% endfor %}
                        </p>
                      </div>
                    {% endif %}

                    <!-- area -->
                    <div class="cap-detail-section">
                      <div class="cap-detail-section-title">{% translate "Area" %}</div>
                      {% for area in item.value.area %}
                        <p class="cap-detail-text">{{ area.value.areaDesc }}</p>
                      {% endfor %}
                    </div>

                    <!-- description -->
                    <div class="cap-detail-section">
                      <div class="cap-detail-section-title">{% translate "Event description" %}</div>
                      <p class="cap-detail-text">{{ item.value.description }}</p>
                    </div>

                    <!-- instructions -->
                    {% if item.value.instruction %}
                      <div class="cap-detail-section">
                        <div class="cap-detail-section-title">{% translate "Instructions" %}</div>
                        <p class="cap-detail-text">{{ item.value.instruction }}</p>
                      </div>
                    {% endif %}

                    <!-- hidden severity icon for map markers -->
                    <div class="cap-severity-icon is-hidden"
                         data-infoid="{{ alert_info.info.id }}"
                         style="background:{{ alert_info.severity.background_color }};
                                {% if alert_info.severity.icon_color %}color:{{ alert_info.severity.icon_color }};{% endif %}">
                      {% if alert_info.event_icon %}{% svg_icon name=alert_info.event_icon %}{% endif %}
                    </div>

                  </div>
                {% endwith %}
              {% endfor %}
            </div>

          </div>
        </div>
      </div>

    </div>
  </section>
</main>
{% endblock %}

{% block extra_js %}
<script type="text/javascript" src="{% static 'js/maplibre-gl.js' %}"></script>
<script type="text/javascript" src="{% static 'js/turf.min.js' %}"></script>
<script>
document.addEventListener('DOMContentLoaded', () => {

  const tabs         = document.querySelectorAll('.cap-tab');
  const detailPanels = document.querySelectorAll('.cap-detail-panel');

  /* sidebar elements */
  const sbSevIcon    = document.getElementById('cap-sb-sev-icon');
  const sbSevEvent   = document.getElementById('cap-sb-sev-event');
  const sbSevLabel   = document.getElementById('cap-sb-sev-label');
  const sbUrgency    = document.getElementById('cap-sb-urgency');
  const sbSeverity   = document.getElementById('cap-sb-severity-val');
  const sbCertainty  = document.getElementById('cap-sb-certainty');
  const sbCategory   = document.getElementById('cap-sb-category');
  const sbLanguage   = document.getElementById('cap-sb-language');

  const urgencyMap   = { Immediate: "{% translate 'Immediate' %}", Expected: "{% translate 'Expected' %}", Future: "{% translate 'Future' %}", Past: "{% translate 'Past' %}" };
  const severityMap  = { Extreme: "{% translate 'Extreme' %}", Severe: "{% translate 'Severe' %}", Moderate: "{% translate 'Moderate' %}", Minor: "{% translate 'Minor' %}" };
  const certaintyMap = { Observed: "{% translate 'Observed' %}", Likely: "{% translate 'Likely' %}", Possible: "{% translate 'Possible' %}", Unlikely: "{% translate 'Unlikely' %}" };

  let initialFilter;
  let map;

  const activateTab = (tab) => {
    tabs.forEach(t => t.classList.remove('active'));
    detailPanels.forEach(p => p.classList.add('is-hidden'));
    tab.classList.add('active');

    const target = tab.dataset.target;
    const panel  = document.getElementById(target);
    if (panel) panel.classList.remove('is-hidden');

    /* update sidebar */
    const d = tab.dataset;
    if (sbSevEvent)  sbSevEvent.textContent  = d.status + ': ' + d.event;
    if (sbSevLabel)  sbSevLabel.textContent  = d.sevLabel;
    if (sbSevIcon) {
      sbSevIcon.style.background   = d.sevBg;
      sbSevIcon.style.borderColor  = d.sevBorder;
      sbSevIcon.style.color        = d.sevIconColor || '';
    }
    if (sbUrgency)   sbUrgency.textContent   = urgencyMap[d.urgency]   || d.urgency;
    if (sbSeverity)  sbSeverity.textContent  = severityMap[d.severity]  || d.severity;
    if (sbCertainty) sbCertainty.textContent = certaintyMap[d.certainty] || d.certainty;
    if (sbCategory)  sbCategory.textContent  = d.category;
    if (sbLanguage)  sbLanguage.textContent  = d.language;

    /* update map filter */
    if (map) map.setFilter('alert-areas-layer', ['==', 'info-id', target]);
  };

  tabs.forEach(tab => tab.addEventListener('click', () => activateTab(tab)));

  const firstTab = document.querySelector('.cap-tab.active');
  if (firstTab) initialFilter = ['==', 'info-id', firstTab.dataset.target];

  /* ── MAP ── */
  const geojson = {{ page.geojson|safe }};
  const bounds  = {{ page.bounds|safe }};

  const defaultStyle = {
    version: 8,
    sources: {
      'carto-light': {
        type: 'raster',
        tiles: [
          "https://a.basemaps.cartocdn.com/light_all/{z}/{x}/{y}@2x.png",
          "https://b.basemaps.cartocdn.com/light_all/{z}/{x}/{y}@2x.png",
          "https://c.basemaps.cartocdn.com/light_all/{z}/{x}/{y}@2x.png",
          "https://d.basemaps.cartocdn.com/light_all/{z}/{x}/{y}@2x.png",
        ],
      },
    },
    layers: [{ id: 'carto-light-layer', source: 'carto-light', type: 'raster', minzoom: 0, maxzoom: 22 }],
  };

  map = new maplibregl.Map({
    container: "cap-map",
    style: defaultStyle,
    center: [0, 0],
    zoom: 2,
    scrollZoom: false,
  });

  map.addControl(new maplibregl.NavigationControl({
    visualizePitch: true, showZoom: true, showCompass: true,
  }), 'bottom-right');

  map.on("load", () => {
    map.addSource("alert-areas", { type: "geojson", data: geojson });

    map.addLayer({
      id: "alert-areas-layer",
      type: "fill",
      source: "alert-areas",
      filter: initialFilter || undefined,
      paint: {
        "fill-color": [
          "case",
          ["==", ["get", "severity"], "Extreme"],  "#d42d41",
          ["==", ["get", "severity"], "Severe"],   "#f08c11",
          ["==", ["get", "severity"], "Moderate"], "#f4cf00",
          ["==", ["get", "severity"], "Minor"],    "#399cc7",
          ["==", ["get", "severity"], "Unknown"],  "#82a8df",
          "black",
        ],
        "fill-opacity": 1,
        "fill-outline-color": "#000",
      },
    });

    if (bounds) {
      map.fitBounds([[bounds[0], bounds[1]], [bounds[2], bounds[3]]], { padding: 30 });
    }

    /* markers */
    geojson.features.forEach(feature => {
      const centroid = turf.centroid(feature);
      const infoId   = feature.properties['info-id'];
      const iconWrap = document.querySelector(`.cap-severity-icon[data-infoid="${infoId}"]`);
      if (!iconWrap) return;
      const svg = iconWrap.querySelector('svg');
      if (!svg) return;
      const el = document.createElement('div');
      el.className = 'cap-event-marker';
      el.innerHTML = svg.outerHTML;
      el.style.backgroundColor = iconWrap.style.backgroundColor;
      new maplibregl.Marker({ element: el })
        .setLngLat(centroid.geometry.coordinates)
        .addTo(map);
    });

    map.on("mouseenter", "alert-areas-layer", () => map.getCanvas().style.cursor = "pointer");
    map.on("mouseleave", "alert-areas-layer", () => map.getCanvas().style.cursor = "");
  });

});
</script>
{% endblock extra_js %}