{% extends "base.html" %}
{% load static i18n risk_extras %}
{% block crumbs %}
  <li><a href="{% url 'risks:index' %}">{% trans "Dashboard" %}</a></li>
{% endblock %}
{% block content %}

<!-- Hero Section -->
<section class="hero is-small has-background-prosoft">
  <div class="hero-body">
    <div class="container">
      <h2 class="subtitle is-5 has-text-white">
        {% trans "Overview of Risks, Controls and Incidents" %}
      </h2>
    </div>
  </div>
</section><!-- Hero Section End -->

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

    <!-- KPI Cards -->
    <div class="columns is-multiline">

      <!-- Total Risks -->
      <div class="column is-one-quarter">
        <div class="box has-text-centered">
          <p class="heading">{% trans "Total Risks" %}</p>
          <p class="title is-4">{{ risks_total }}</p>
        </div>
      </div><!-- Total Risks End -->

      <!-- Residual Risks -->
      <div class="column is-one-quarter">
        <div class="box has-text-centered {% if residual_review_required > 0 %}has-background-control-high{% else %}has-background-control-low{% endif %}">
          <p class="heading">{% trans "Residual Risks Needing Review" %}</p>
          <p class="title is-4">{{ residual_review_required }}</p>
        </div>
      </div><!-- Residual Risks End -->

      <!-- Unread Notifications -->
      <div class="column is-one-quarter">
        <div class="box has-text-centered">
          <p class="heading">{% trans "Unread Notifications" %}</p>
          <p class="title is-4">{{ notifications_unread }}</p>
        </div>
      </div><!-- Unread Notifications End -->

    </div><!-- KPI Cards End -->

    <!-- Risks by CIA -->
    <div class="box">
      <h2 class="title is-5">{% trans "Risks by CIA" %}</h2>
      <div class="columns is-multiline">
        <div class="column">
          <div class="notification is-control-verylow has-text-centered">
            <strong>{% trans "Confidentiality" %}</strong><br>
            {{ risks_by_cia.1|default:0 }}
          </div>
        </div>
        <div class="column">
          <div class="notification is-control-mid has-text-centered">
            <strong>{% trans "Integrity" %}</strong><br>
            {{ risks_by_cia.2|default:0 }}
          </div>
        </div>
        <div class="column">
          <div class="notification is-control-high has-text-centered">
            <strong>{% trans "Availability" %}</strong><br>
            {{ risks_by_cia.3|default:0 }}
          </div>
        </div>
      </div>
    </div><!-- Risks by CIA End -->

    <!-- Controls by Status -->
    <div class="box">
      <h2 class="title is-5">{% trans "Controls by Status" %}</h2>
      <div class="table-container">
        <table class="table is-fullwidth is-narrow is-hoverable">
          <thead>
            <tr>
              <th>{% trans "Status" %}</th>
              <th>{% trans "Count" %}</th>
            </tr>
          </thead>
          <tbody>
            {% for row in controls_by_status %}
              <tr>
                <td>{{ row.status|control_status_label }}</td>
                <td>{{ row.count }}</td>
              </tr>
            {% empty %}
              <tr><td colspan="2" class="has-text-grey has-text-centered">{% trans "No data" %}</td></tr>
            {% endfor %}
          </tbody>
        </table>
      </div>
    </div><!-- Controls by Status End -->

    <!-- Incidents by Status -->
    <div class="box">
      <h2 class="title is-5">{% trans "Incidents by Status" %}</h2>
      <div class="table-container">
        <table class="table is-fullwidth is-narrow is-hoverable">
          <thead>
            <tr>
              <th>{% trans "Status" %}</th>
              <th>{% trans "Count" %}</th>
            </tr>
          </thead>
          <tbody>
            {% for row in incidents_status %}
              <tr>
                <td>{{ row.status|incident_status_label }}</td>
                <td>{{ row.count }}</td>
              </tr>
            {% empty %}
              <tr><td colspan="2" class="has-text-grey has-text-centered">{% trans "No data" %}</td></tr>
            {% endfor %}
          </tbody>
        </table>
      </div>
    </div><!-- Incidents by Status End -->

    <div class="box">
      <h2 class="title is-5">{% trans "Risk Trend (per Month)" %}</h2>
      <canvas id="risksTrendChart"></canvas>
    </div>

  </div>
</section><!-- Dashboard Content End -->

<!-- ChartJS -->
<script src="{% static 'js/chart.js' %}"></script>
{{ months|json_script:"months-data" }}
{{ trend_data|json_script:"trend-data" }}
<script>
  function getCssVar(name) {
    return getComputedStyle(document.documentElement).getPropertyValue(name).trim();
  }

  document.addEventListener("DOMContentLoaded", () => {
    const ctx = document.getElementById("risksTrendChart").getContext("2d");

    const months = JSON.parse(document.getElementById("months-data").textContent);
    const trendData = JSON.parse(document.getElementById("trend-data").textContent);

    const chartColors = {
      verylow:  getCssVar("--c-verylow"),
      low:      getCssVar("--c-low"),
      mid:      getCssVar("--c-mid"),
      high:     getCssVar("--c-high"),
      veryhigh: getCssVar("--c-veryhigh")
    };

    const datasets = [
      {
        label: "Low",
        data: trendData["Low"],
        borderColor: chartColors.low,
        backgroundColor: chartColors.low + "33",
        tension: 0.3
      },
      {
        label: "Medium",
        data: trendData["Medium"],
        borderColor: chartColors.mid,
        backgroundColor: chartColors.mid + "33",
        tension: 0.3
      },
      {
        label: "High",
        data: trendData["High"],
        borderColor: chartColors.high,
        backgroundColor: chartColors.high + "33",
        tension: 0.3
      },
      {
        label: "Critical",
        data: trendData["Critical"],
        borderColor: chartColors.veryhigh,
        backgroundColor: chartColors.veryhigh + "33",
        tension: 0.3
      }
    ];

    new Chart(ctx, {
      type: "line",
      data: {
        labels: months,
        datasets: datasets
      },
      options: {
        responsive: true,
        plugins: {
          legend: { position: "bottom" }
        },
        scales: {
          y: { beginAtZero: true }
        }
      }
    });
  });
</script>

{% endblock %}