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

{% block preamble %}
{% block metadata %}
{{ super() }}
{% endblock %}

<!-- Template JS -->
{% for src in template_resources['js'].values() %}
<script src="{{ src }}"></script>
{% endfor %}
{% for src in template_resources['js_modules'].values() %}
<script src="{{ src }}" type="module"></script>
{% endfor %}
{% endblock %}

{% block postamble %}
<!-- Template CSS -->
{% for css in template_resources['css'].values() %}
<link rel="stylesheet" href="{{ css }}">
{% endfor %}
{% for raw_css in template_resources['raw_css'] %}
<style type="text/css">
{{ raw_css }}
</style>
{% endfor %}

<style>
  :root {
    --header-background: {{ header_background or "var(--design-primary-color, var(--panel-primary-color))" }};
    --header-color: {{ header_color or "var(--design-primary-text-color, var(--panel-on-primary-color))" }};
    --sidebar-width: {{ sidebar_width }}px;
  }
  #header {
    --design-background-text-color: var(--header-color);
    --design-background-color: var(--header-background);
    background-color: var(--header-background);
    color: var(--header-color);
  }
  #sidebar {
    min-width: var(--sidebar-width);
  }
</style>
{% endblock %}

<!-- goes in body -->
{% block contents %}
<div id="container">
  <nav id="header">
    {% if nav %}
    <span style="font-size:30px; cursor:pointer" onclick="{{ 'openNav()' if collapsed_sidebar else 'closeNav()' }}" id="sidebar-button">
      <div class="pn-bar"></div>
      <div class="pn-bar"></div>
      <div class="pn-bar"></div>
    </span>
    {% endif %}
    <div class="app-header">
      {% if app_logo %}<a class="navbar-brand app-logo" href="{{ site_url }}"><img src="{{ app_logo }}" class="app-logo"></a>{% endif %}
      {% if site_title %}<a class="title" href="{{ site_url }}" >&nbsp;{{ site_title }}</a>{% endif %}
      {% if site_title and app_title%}<span class="title">-</span>{% endif %}
      {% if app_title %}<a class="title" href="" >&nbsp;{{ app_title }}</a>{% endif %}
    </div>
    <div id="header-items">
    {% for doc in docs %}
    {% for root in doc.roots %}
    {% if "header" in root.tags %}
    {{ embed(root) | indent(8) }}
    {% endif %}
    {% endfor %}
    {% endfor %}
    </div>
    {% if saveLayout %}
    <button id="layout-reset">Reset Layout</button>
    {% endif %}
    {% if busy %}
    <div class="pn-busy-container">
    {{ embed(roots.busy_indicator) | indent(6) }}
    </div>
    {% endif %}
  </nav>

  <div class="row" id="content">
    {% if nav %}
    <div class="sidenav {{'hidden' if collapsed_sidebar else ''}}" id="sidebar">
      <ul class="nav flex-column">
      {% for doc in docs %}
      {% for root in doc.roots %}
      {% if "nav" in root.tags %}
        {{ embed(root) | indent(8) }}
      {% endif %}
      {% endfor %}
      {% endfor %}
      </ul>
    </div>
    {% endif %}

    <div class="main" id="main">
      {% if main_max_width %}
      <div style="margin-left: auto; margin-right: auto; max-width: {{main_max_width}}">
      {% endif %}
        <div id="responsive-grid"></div>
          <div id="pn-Modal" class="pn-modal header-adjust">
            <div class="pn-modal-content">
              <span class="pn-modalclose" id="pn-closeModal">&times;</span>
              {% for doc in docs %}
              {% for root in doc.roots %}
              {% if "modal" in root.tags %}
              {{ embed(root) | indent(10) }}
              {% endif %}
              {% endfor %}
              {% endfor %}
            </div>
        </div>
      {% if main_max_width %}
      </div>
      {% endif %}
    </div>
  </div>
</div>

<script>
  function openNav() {
    document.getElementById("sidebar").classList.remove("hidden");
    window.dispatchEvent(new Event("resize"))
    document.getElementById("sidebar-button").onclick = closeNav;
    var interval = setInterval(function () { window.dispatchEvent(new Event('resize')); }, 10);
    setTimeout(function () { clearInterval(interval) }, 210)
  }

  function closeNav() {
    document.getElementById("sidebar").classList.add("hidden");
    document.getElementById("sidebar-button").onclick = openNav;
    var interval = setInterval(function () { window.dispatchEvent(new Event('resize')); }, 10);
    setTimeout(function () { clearInterval(interval) }, 210)
  }

  var modal = document.getElementById("pn-Modal");
  var span = document.getElementById("pn-closeModal");

  span.onclick = function() {
    modal.style.display = "none";
  }

  window.onclick = function(event) {
    if (event.target == modal) {
      modal.style.display = "none";
    }
  }
</script>

<script type="text/babel">
  const divStyle = {borderRadius: '5px'};
  const ResponsiveGridLayout = ReactGridLayout.WidthProvider(ReactGridLayout.Responsive);
  {% if saveLayout %}
  const originalLayout = getFromLS("layouts") || {{ layouts }};
  {% else %}
  const originalLayout = {{ layouts }};
  {% endif %}

  function getFromLS(key) {
    let ls = {};
    if (window.localStorage) {
      try {
        ls = JSON.parse(window.localStorage.getItem(window.location.origin + window.location.pathname)) || {};
      } catch (e) {
        /*Ignore*/
      }
    }
    return ls[key];
  }

  function saveToLS(key, value) {
    if (window.localStorage) {
      window.localStorage.setItem(
        window.location.origin + window.location.pathname,
        JSON.stringify({
          [key]: value
        })
      );
    }
  }

  function resize_layout(obj, old_, new_, p, e, element) {
    window.dispatchEvent(new Event("resize"))
  }

  function resize_layout_stop(obj, old_, new_, p, e, element) {
    setTimeout(function(){
      window.dispatchEvent(new Event("resize"))
    }, 50);
  }

  class ResponsiveGrid extends React.PureComponent {

    static defaultProps = {
      onLayoutChange: function() {}
    }

    constructor(props) {
      super(props);
      this.state = {
	layouts: JSON.parse(JSON.stringify(originalLayout))
      };
      {% if saveLayout %}
      this.resetLayout = this.resetLayout.bind(this)
      document.getElementById('layout-reset').onclick = this.resetLayout
      {% endif %}
    }

    resetLayout() {
      this.setState({
	layouts: {{ layouts }}
      });
    }

    onLayoutChange(layout, layouts) {
      saveToLS("layouts", layouts);
      this.setState({ layouts });
    }

    render() {
      return (
        <ResponsiveGridLayout
	   className={"layout"}
           cols={ {{cols}} }
           breakpoints={ {{breakpoints}} }
           draggableHandle={".drag-handle"}
	   draggableCancel={".bk-root"}
	   onResize={resize_layout}
           onResizeStop={resize_layout_stop}
           rowHeight={ {{rowHeight}} }
           layouts={this.state.layouts}
           {% if compact == "both" %}
           compactType={"horizontal"}
           {% elif compact == "horizontal" %}
           verticalCompact={false}
           compactType={"horizontal"}
           {% elif compact is none %}
           verticalCompact={false}
           {% endif %}
           preventCollision={ {{preventCollision and 'true' or 'false'}} }
           {% if saveLayout %}
           onLayoutChange={(layout, layouts) => this.onLayoutChange(layout, layouts)}
           {% endif %}
         >
         {% set count = [] %}
         {% for doc in docs %}{% for root in doc.roots %}{% if "main" in root.tags %}
           <div key="{{count|length + 1 }}" style={divStyle} >
             <span className="drag-handle"></span>
	     {{ embed(root) | indent(4) | replace("class", "className") | replace('style="display: contents;"', 'style={{display: "contents"}}') }}
           </div>
         {% set __ = count.append(1) %}
         {% endif %}{% endfor %}{% endfor %}
         </ResponsiveGridLayout>
      );
    }
  }
  ReactDOM.render(<ResponsiveGrid />, document.getElementById('responsive-grid'));
</script>

{% block state_roots %}
{{ super() }}
{% endblock %}

{% endblock %}
