{# Copyright (C) 2010-2021 Edgewall Software

  This software is licensed as described in the file COPYING, which
  you should have received as part of this distribution. The terms
  are also available at https://trac.edgewall.org/wiki/TracLicense.

  This software consists of voluntary contributions made by many
  individuals. For the exact contribution history, see the revision
  history and logs, available at https://trac.edgewall.org/.
#}

## Renders a ticket comment.

{# Arguments:
 - change: the change data
 - hide_buttons=False: hide all buttons (Edit, Reply)
 - cnum_edit=None: the comment number being edited
 - edited_comment: the current value of the comment editor
 - cnum_hist=None: the comment number for which to show a historical content
 - can_append=False: True if the user is allowed to append to tickets
 - preview=False: True if rendering a change preview
#}

# import 'macros.html' as jmacros with context

# with
#   set cnum = to_unicode(change.get('cnum'))
#   set hide_buttons = hide_buttons|default(false)
#   set cnum_edit = cnum_edit|default('')
#   set cnum_hist = cnum_hist|default('')
#   set can_append = can_append|default(false)
#   set comment_resource = Resource('comment', cnum, parent=ticket.resource)
#   set can_edit_comment = 'TICKET_EDIT_COMMENT' in perm(comment_resource)
#   set preview = preview|default(false)
#   set show_editor = can_edit_comment and cnum == cnum_edit
#   set show_history = cnum is equalto(cnum_hist)
#   set max_version = change.comment_history|max(0)
#   set comment_version = (as_int(cversion, max_version, 0, max_version) if
                           show_history else max_version)
#   set show_buttons = (not hide_buttons and not show_editor and
                        comment_version == max_version)

#   macro commentref(prefix, cnum, cls=none)
<a href="#comment:${cnum}" class="${cls}">${prefix}${cnum}</a>
#   endmacro
## jinjacheck: "(a h3 div form div div div div )" OK

<h3 class="change"${{'id': 'comment:%s' % cnum if 'cnum' in change}|htmlattr}>
  <span class="threading">
    # set change_replies = replies.get(cnum, []) if 'cnum' in change else []
    # if 'replyto' in change:
    <span class="trac-in-reply-to">
      # set refs = commentref('&nbsp;'|safe, change.replyto, 'in-reply-to')
      # trans refs

      in reply to: ${refs}

      # endtrans
      {% if change_replies: %}${_(";")}{% endif %}
      ## don't forget french typographic rules!
      ## (note that there's space anyway around the ';' for now)
    </span>
    # endif
    # if change_replies:
    <span class="trac-follow-ups">
      <span>${
        ngettext("follow-up:", "follow-ups:", change_replies|length)}</span>
      # for reply in change_replies:
      ${commentref('&nbsp;'|safe, reply, 'follow-up')}
      # endfor
    </span>
    # endif
  </span>
  # if 'cnum' in change:
  <span class="cnum">${commentref('comment:', cnum)}</span>
  # endif
  # if 'date' in change:

  ${tag_("by %(author)s, %(date)s",
         date = pretty_dateinfo(change.date),
         author = authorinfo(change.author))}

  # else:

  ${tag_("by %(author)s", author = authorinfo(change.author))}

  # endif
  # if preview or show_editor:
  <span class="trac-loading"></span>
  # endif
</h3>

<div class="trac-change-panel">

  ## Per-change controls

  # if show_buttons:
  <div class="trac-ticket-buttons">
    # if 'cnum' in change and can_append:
    <form id="reply-to-comment-${cnum}" method="get" action="#comment">
      <div class="inlinebuttons">
        <input type="hidden" name="replyto" value="${cnum}"/>
        <input type="submit" value="${captioned_button('↳', _('Reply'))}"
               title="${_('Reply to comment %(cnum)s', cnum=cnum)}" />
      </div>
    </form>
    # endif
    # if 'cnum' in change and can_edit_comment:
    <form id="edit-comment-${cnum}" method="get" action="#comment:${cnum}">
      <div class="inlinebuttons">
        <input type="hidden" name="cnum_edit" value="${cnum}"/>
        <input type="submit" value="${captioned_button('✎', _('Edit'))}"
               title="${_('Edit comment %(cnum)s', cnum=cnum)}" />
      </div>
    </form>
    # endif
  </div>
  # endif

  ## Property changes

  # if change.fields:
  <table class="changes">
    ## for field_name, field in sorted(change.fields.items(), key=lambda item: item[1].label.lower()):
    # for field_name, field in change.fields.items()|sort(attribute='1.label'):
    ## FIXME attribute='1.label|lower'
    <tr class="${classes(
               'trac-field-' + field_name,
               'trac-conflict' if preview and field_name in conflicts)}">
      <th class="trac-field-${field_name}">${
        _("%(label)s:", label=field.label)}</th>
      <td>
        # if field_name == 'attachment':
        #   set attachment_link
        <a href="${href.attachment('ticket', ticket.id, field.new)}"><em>${
            field.new}</em></a><a href="${href('raw-attachment', 'ticket',
                                        ticket.id, field.new)}"
                                  title="${_('Download')}"
                                  class="trac-rawlink">&#8203;</a>
        #   endset
        #   trans attachment_link

        ${attachment_link} added

        #   endtrans
        # else:
        ${field.rendered}
        # endif

        # if preview and field.by == 'user':
        #   set old = (ticket.get_default(field_name)
                       if field.old is sameas(empty) else field.old)
        (<button type="submit" name="revert_${field_name}" class="trac-revert"
                 title="${_('Revert this change')}">${
          _("revert")}<div id="revert-${field_name}">${
            '0' if 'cc_update' in field else old}</div></button>)
        # endif
      </td>
    </tr>
    # endfor
  </table>
  # endif
</div>

## Comment editor

#   if show_editor:
<form id="trac-comment-editor" method="post"
      action="${href.ticket(ticket.id) + '#comment:' + cnum}">
  ${jmacros.form_token_input()}

  <div>
    <textarea name="edited_comment"
              class="wikitext trac-fullwidth trac-resizable trac-autofocus"
              rows="10" cols="78">
${edited_comment if edited_comment is not none else change.comment
      }</textarea>
    <input type="hidden" name="cnum_edit" value="${cnum}"/>
  </div>
  <div class="buttons">
    <input type="submit" name="preview_comment" value="${_('Preview')}"
           title="${_('Preview changes to comment %(cnum)s', cnum=cnum)}"/>
    <input type="submit" name="edit_comment" value="${_('Submit changes')}"
           title="${_('Submit changes to comment %(cnum)s', cnum=cnum)}"
           class="trac-disable-on-submit" />
    <input type="submit" name="cancel_comment" value="${_('Cancel')}"
           title="${_('Cancel comment edit')}"/>
  </div>
</form>
${jmacros.warnings(chrome.warnings, 'trac-preview-warning')}
#   endif

## Comment display

#   if cnum == cnum_edit:
<div class="comment searchable ticketdraft"${
   {'style': 'display: none' if not text}|htmlattr}>
  #   set text = edited_comment if edited_comment is not none else change.comment
  ${wiki_to_html(context, text, escape_newlines=preserve_newlines)}
</div>
#   elif show_history:
<div class="comment searchable">
  ${wiki_to_html(context, change.comment_history[comment_version].comment,
  escape_newlines=preserve_newlines)}
</div>
#   elif change.comment:
<div class="comment searchable">
  ${wiki_to_html(context, change.comment, escape_newlines=preserve_newlines)}
</div>
#   endif
#   if not show_editor and len(change.comment_history) is greaterthan(1):
<div${{'class': {
       'trac-lastedit': true,
       'trac-shade': comment_version != max_version}}|htmlattr}>
  #   with
  #     set date = pretty_dateinfo(change.comment_history[comment_version].date)
  #     set author = authorinfo(change.comment_history[comment_version].author)
  #     if comment_version != max_version:
  #       trans version = comment_version, date, author

  Version ${version}, edited ${date} by ${author}

  #       endtrans
  #     else:
  #       trans date, author

  Last edited ${date} by ${author}

  #       endtrans
  #     endif
  #   endwith

  #   if comment_version is greaterthan(0):
  (<a href="${href.ticket(ticket.id, cnum_hist=cnum,
                          cversion=comment_version - 1)}#comment:${cnum}">${
    _("previous")}</a>)
  #   endif
  #   if comment_version is lessthan(max_version):
  (<a href="${href.ticket(ticket.id, cnum_hist=cnum,
                          cversion=comment_version + 1)}#comment:${cnum}">${
    _("next")}</a>)
  #   endif
  #   if comment_version is greaterthan(0):
  (<a href="${href.ticket(ticket.id, action='comment-diff', cnum=cnum,
                          version=comment_version)}">${
    _("diff")}</a>)
  #   endif
</div>
#   endif
# endwith