{% extends "projects/base.html" %}

{% block page_title %}{{ version.original_name }} · {{ feature.key }}{% endblock %}

{% block project_content %}
  {% url 'files:raw' org_slug=project.org.slug project_slug=project.slug feature_key=feature.key file_id=file.pk version=version.version name=version.original_name as raw_url %}
  {% url 'files:detail' org_slug=project.org.slug project_slug=project.slug feature_key=feature.key file_id=file.pk as file_url %}
  <p><a href="{% url 'features:detail' org_slug=project.org.slug project_slug=project.slug feature_key=feature.key %}#files">Back to {{ feature.key }} {{ feature.title }}</a></p>
  <h1>{{ version.original_name }} <span class="muted">version {{ version.version }}</span></h1>
  <p>
    {{ file.get_kind_display }} for {{ feature.key }}.
    Uploaded by {{ version.uploaded_by.username|default:"deleted user" }}
    on <time datetime="{{ version.created_at|date:'c' }}">{{ version.created_at|date:"j M Y" }}</time>,
    {{ version.size|filesizeformat }}.
    <a href="{{ raw_url }}"{% if not version.opens_inline %} download{% endif %}>{% if version.opens_inline %}Open{% else %}Download{% endif %}<span class="visually-hidden"> {{ version.original_name }}</span></a>
  </p>
  {% if file.is_removed %}
    <p role="note"><strong>Removed</strong> from the feature in revision {{ file.removed_in_revision }}. Its versions and comments are kept.</p>
  {% elif not is_current %}
    <p role="note"><strong>Older version.</strong> <a href="{{ file_url }}">See the latest, version {{ file.current_version }}</a>.</p>
  {% endif %}

  {% if version.is_image %}
      <figure class="pinboard{% if is_current and access.can_contribute %} placing{% endif %}" data-pinboard>
        <img src="{{ raw_url }}" alt="{{ version.original_name }}, version {{ version.version }}.{% if pins %} Pinned comments are listed below the image.{% endif %}">
        <svg class="pins" role="group" aria-label="Pins" data-pins>
          {% for t in pins %}
            <a href="#thread-{{ t.pk }}" aria-label="Pin {{ t.pin_number }}, thread by {{ t.author.username|default:'deleted user' }}">
              <circle cx="{{ t.x_pct }}%" cy="{{ t.y_pct }}%" r="12"></circle>
              <text x="{{ t.x_pct }}%" y="{{ t.y_pct }}%">{{ t.pin_number }}</text>
            </a>
          {% endfor %}
        </svg>
      </figure>
  {% elif version.is_html %}
    {# Sandboxed without allow-same-origin: the prototype runs in an opaque origin. #}
    <iframe class="prototype" src="{{ raw_url }}" sandbox="allow-scripts allow-modals allow-popups" title="Prototype: {{ version.original_name }}"></iframe>
  {% elif version.is_text %}
    {% if version.content_type == "text/markdown" %}
      <div class="prose">{{ preview }}</div>
    {% else %}
      <pre class="quote">{{ preview }}</pre>
    {% endif %}
    {% if truncated %}<p class="muted">Only the start of the file is shown. Open it to see everything.</p>{% endif %}
  {% endif %}

  <section id="comments" aria-labelledby="comments-heading">
    <h2 id="comments-heading">Comments on this version</h2>
    {% for thread in file_threads %}
      {% include "comments/_thread.html" %}
    {% empty %}
      <p class="muted">No comments yet.</p>
    {% endfor %}
    {% if is_current and access.can_contribute %}
      <form method="post" action="{% url 'files:thread_create' org_slug=project.org.slug project_slug=project.slug feature_key=feature.key file_id=file.pk %}">
        {% csrf_token %}
        {% if version.is_image %}
          <fieldset>
            <legend>Pin to a point (optional)</legend>
            <p class="muted" id="pin-help">Click the image to place a pin, or enter its position.</p>
            <label for="pin-across">Across (%)</label>
            <input type="number" id="pin-across" name="across" min="0" max="100" step="0.1" aria-describedby="pin-help">
            <label for="pin-down">Down (%)</label>
            <input type="number" id="pin-down" name="down" min="0" max="100" step="0.1" aria-describedby="pin-help">
          </fieldset>
        {% endif %}
        <label for="file-comment">Comment on {{ version.original_name }}</label>
        <textarea id="file-comment" name="body" rows="4" required></textarea>
        <button type="submit">Comment</button>
      </form>
    {% elif not user.is_authenticated and project.open_contribution %}
      <p><a href="{% url 'account_login' %}?next={{ request.path|urlencode }}">Sign in</a> to comment.</p>
    {% endif %}
  </section>

  {% if other_threads %}
    <section aria-labelledby="other-heading">
      <h2 id="other-heading">Comments on other versions</h2>
      {% for thread in other_threads %}
        {% include "comments/_thread.html" %}
      {% endfor %}
    </section>
  {% endif %}

  <section aria-labelledby="versions-heading">
    <h2 id="versions-heading">Versions</h2>
    <table>
      <thead>
        <tr>
          <th scope="col">Version</th>
          <th scope="col">Name</th>
          <th scope="col">Uploaded</th>
          <th scope="col">Feature revision</th>
          <th scope="col">Size</th>
        </tr>
      </thead>
      <tbody>
        {% for v in versions %}
          <tr>
            <th scope="row">
              {% if v.version == version.version %}{{ v.version }} (shown){% else %}<a href="{{ file_url }}?version={{ v.version }}">{{ v.version }}</a>{% endif %}
            </th>
            <td>{{ v.original_name }}</td>
            <td><time datetime="{{ v.created_at|date:'c' }}">{{ v.created_at|date:"j M Y" }}</time> by {{ v.uploaded_by.username|default:"deleted user" }}</td>
            <td><a href="{% url 'features:history' org_slug=project.org.slug project_slug=project.slug feature_key=feature.key %}">{{ v.created_in_revision }}</a></td>
            <td>{{ v.size|filesizeformat }}</td>
          </tr>
        {% endfor %}
      </tbody>
    </table>
  </section>

  {% if access.can_edit and not file.is_removed %}
    <section aria-labelledby="change-heading">
      <h2 id="change-heading">Change this file</h2>
      <p>Each change is a new revision of {{ feature.key }}. Comments on earlier versions are kept.</p>
      <details>
        <summary>Upload a new version</summary>
        <form method="post" enctype="multipart/form-data" action="{% url 'files:replace' org_slug=project.org.slug project_slug=project.slug feature_key=feature.key file_id=file.pk %}">
          {% csrf_token %}
          {{ replace_form.as_p }}
          <button type="submit">Upload version {{ file.current_version|add:1 }}</button>
        </form>
      </details>
      <details>
        <summary>Remove from the feature</summary>
        <form method="post" action="{% url 'files:remove' org_slug=project.org.slug project_slug=project.slug feature_key=feature.key file_id=file.pk %}">
          {% csrf_token %}
          <p>
            <label for="remove-note">Change note</label>
            <input type="text" id="remove-note" name="note" maxlength="500" required>
          </p>
          <button type="submit">Remove {{ file.name }}</button>
        </form>
      </details>
    </section>
  {% endif %}
{% endblock %}