{% comment %}
Assembles version-handler features in various spot-specific clusters
{% endcomment %}
{% assign all_handlers = site.data.theme.versioning.handlers %}
{% unless show_handlers %}
  {% assign default_handlers = site.data.theme.versioning.defaults[layout.kind]['list'] %}
  {% assign page_handlers = page.version-handlers | split:"," %}
  {% for hdlr in page_handlers %}
    {% assign hdlr_split = hdlr | split:"" %}
    {% if hdlr_split[0] != "-" and hdlr_split[0] != "+" %}
      {% assign explicit = true %}
      {% assign show_handlers = page_handlers %}
      {% break %}
    {% endif %}
  {% endfor %}
  {% unless explicit %}
    {% assign show_handlers = "" | split:"," %}
    {% for hdlr in default_handlers %}
      {% capture minusHdlr %}-{{ hdlr }}{% endcapture %}
      {% unless page_handlers contains minusHdlr %}
        {% assign show_handlers = show_handlers | push: hdlr %}
      {% endunless %}
    {% endfor %}
    {% for hdlr in page_handlers %}
      {% assign hdlr_split = hdlr | split:"" %}
      {% if hdlr_split[0] == "+" %}
        {% assign _hdlr = hdlr | replace: "+","" %}
        {% assign show_handlers = show_handlers | push: _hdlr %}
      {% endif %}
    {% endfor %}
  {% endunless %}
{% endunless %}
{% for hdl in show_handlers %}
  {% assign ctrl = all_handlers[hdl] %}
  {% if ctrl['spot'] == include.spot %}
    {% assign ctrl_name = hdl %}
    {% assign verb = ctrl['verb'] %}
    {% assign pick = ctrl['swap']['pick'] %}
    {% assign dict = ctrl['swap']['dict'] %}
    {% assign form = ctrl['form'] %}
    {% if ctrl['swap']['data'] %}
      {% assign opts = "" | split: "," %}
      {% assign data_str = ctrl['swap']['data'] %}
      {% include string-eval.liquid string=data_str %}
      {% assign opts = data_obj %}
      {% assign opt_tpl = ctrl['swap']['opts'] %}
    {% else %}
      {% assign opts = ctrl['swap']['opts'] %}
    {% endif %}
    {% assign slug = ctrl['swap']['slug'] %}
    {% if ctrl['func'] %}
      {% assign func = ctrl['func'] %}
      {% if ctrl['func']['name'] or ctrl['func']['file'] %}
        {% assign func = ctrl['func']['name'] %}
        {% assign file = ctrl['func']['file'] %}
        {% assign href = ctrl['func']['href'] %}
        {% assign targ = ctrl['func']['targ'] %}
        {% assign args = ctrl['func']['args'] %}
      {% endif %}
    {% endif %}
    {% assign func = ctrl['func']['name'] %}
    {% assign path = ctrl['func']['href'] %}
    {% assign targ = ctrl['func']['targ'] %}
    {% if verb == "toggle" %}
      {% assign form = "buttons" %}
    {% endif %}
    {% assign form_id = ctrl_name %}
    {% assign text = ctrl['show']['text'] %}
    {% assign icon  = ctrl['show']['icon'] %}
    {% include version-handler.html
      id=form_id
      verb=verb
      form=form
      opts=opts
      slug=slug
      dict=dict
      pick=pick
      text=text
      icon=icon
      func=func
      file=file
      targ=targ
      href=href
      args=args
      opt_tpl=opt_tpl
       %}
  {% endif %}
{% endfor %}