<link rel="stylesheet" href="{{ 'component-card.css' | asset_url }}" media="print" onload="this.media='all'">
<link rel="stylesheet" href="{{ 'component-price.css' | asset_url }}" media="print" onload="this.media='all'">
<link rel="stylesheet" href="{{ 'section-product-recommendations.css' | asset_url }}" media="print" onload="this.media='all'">

<noscript>{{ 'component-card.css' | asset_url | stylesheet_tag }}</noscript>
<noscript>{{ 'component-price.css' | asset_url | stylesheet_tag }}</noscript>
<noscript>{{ 'section-product-recommendations.css' | asset_url | stylesheet_tag }}</noscript>

{%- style -%}
  .section-{{ section.id }}-padding {
    padding-top: {{ section.settings.padding_top | times: 0.75 | round: 0 }}px;
    padding-bottom: {{ section.settings.padding_bottom | times: 0.75 | round: 0 }}px;
  }

  @media screen and (min-width: 750px) {
    .section-{{ section.id }}-padding {
      padding-top: {{ section.settings.padding_top }}px;
      padding-bottom: {{ section.settings.padding_bottom }}px;
    }
  }
{%- endstyle -%}

<div class="color-{{ section.settings.color_scheme }} gradient">
  <product-recommendations class="product-recommendations page-width section-{{ section.id }}-padding isolate" data-url="{{ routes.product_recommendations_url }}?section_id={{ section.id }}&product_id={{ product.id }}&limit={{ section.settings.products_to_show }}">
    {% if recommendations.performed and recommendations.products_count > 0 %}
      <h2 class="product-recommendations__heading {{ section.settings.heading_size }}">{{ section.settings.heading | escape }}</h2>
      <ul class="grid product-grid grid--{{ section.settings.columns_desktop }}-col-desktop grid--{{ section.settings.columns_mobile }}-col-tablet-down" role="list">
        {% for recommendation in recommendations.products %}
          <li class="grid__item">
            {% render 'card-product',
              card_product: recommendation,
              media_aspect_ratio: section.settings.image_ratio,
              show_secondary_image: section.settings.show_secondary_image,
              show_vendor: section.settings.show_vendor,
              show_rating: section.settings.show_rating
            %}
          </li>
        {% endfor %}
      </ul>
    {% endif %}
  </product-recommendations>
</div>

{% javascript %}
  class ProductRecommendations extends HTMLElement {
    constructor() {
      super();

      const handleIntersection = (entries, observer) => {
        if (!entries[0].isIntersecting) return;
        observer.unobserve(this);

        fetch(this.dataset.url)
          .then(response => response.text())
          .then(text => {
            const html = document.createElement('div');
            html.innerHTML = text;
            const recommendations = html.querySelector('product-recommendations');

            if (recommendations && recommendations.innerHTML.trim().length) {
              this.innerHTML = recommendations.innerHTML;
            }

            if (html.querySelector('.grid__item')) {
              this.classList.add('product-recommendations--loaded');
            }
          })
          .catch(e => {
            console.error(e);
          });
      }

      new IntersectionObserver(handleIntersection.bind(this), {rootMargin: '0px 0px 200px 0px'}).observe(this);
    }
  }

  customElements.define('product-recommendations', ProductRecommendations);
{% endjavascript %}

{% schema %}
{
  "name": "t:sections.product-recommendations.name",
  "tag": "section",
  "class": "section",
  "settings": [
    {
      "type": "paragraph",
      "content": "t:sections.product-recommendations.settings.paragraph__1.content"
    },
    {
      "type": "text",
      "id": "heading",
      "default": "You may also like",
      "label": "t:sections.product-recommendations.settings.heading.label"
    },
    {
      "type": "select",
      "id": "heading_size",
      "options": [
        {
          "value": "h2",
          "label": "t:sections.all.heading_size.options__1.label"
        },
        {
          "value": "h1",
          "label": "t:sections.all.heading_size.options__2.label"
        },
        {
          "value": "h0",
          "label": "t:sections.all.heading_size.options__3.label"
        }
      ],
      "default": "h1",
      "label": "t:sections.all.heading_size.label"
    },
    {
      "type": "range",
      "id": "products_to_show",
      "min": 2,
      "max": 10,
      "step": 1,
      "default": 4,
      "label": "t:sections.product-recommendations.settings.products_to_show.label"
    },
    {
      "type": "range",
      "id": "columns_desktop",
      "min": 1,
      "max": 5,
      "step": 1,
      "default": 4,
      "label": "t:sections.product-recommendations.settings.columns_desktop.label"
    },
    {
      "type": "select",
      "id": "color_scheme",
      "options": [
        {
          "value": "accent-1",
          "label": "t:sections.all.colors.accent_1.label"
        },
        {
          "value": "accent-2",
          "label": "t:sections.all.colors.accent_2.label"
        },
        {
          "value": "background-1",
          "label": "t:sections.all.colors.background_1.label"
        },
        {
          "value": "background-2",
          "label": "t:sections.all.colors.background_2.label"
        },
        {
          "value": "inverse",
          "label": "t:sections.all.colors.inverse.label"
        }
      ],
      "default": "background-1",
      "label": "t:sections.all.colors.label",
      "info": "t:sections.all.colors.has_cards_info"
    },
    {
      "type": "header",
      "content": "t:sections.product-recommendations.settings.header__2.content"
    },
    {
      "type": "select",
      "id": "image_ratio",
      "options": [
        {
          "value": "adapt",
          "label": "t:sections.product-recommendations.settings.image_ratio.options__1.label"
        },
        {
          "value": "portrait",
          "label": "t:sections.product-recommendations.settings.image_ratio.options__2.label"
        },
        {
          "value": "square",
          "label": "t:sections.product-recommendations.settings.image_ratio.options__3.label"
        }
      ],
      "default": "adapt",
      "label": "t:sections.product-recommendations.settings.image_ratio.label"
    },
    {
      "type": "checkbox",
      "id": "show_secondary_image",
      "default": false,
      "label": "t:sections.product-recommendations.settings.show_secondary_image.label"
    },
    {
      "type": "checkbox",
      "id": "show_vendor",
      "default": false,
      "label": "t:sections.product-recommendations.settings.show_vendor.label"
    },
    {
      "type": "checkbox",
      "id": "show_rating",
      "default": false,
      "label": "t:sections.product-recommendations.settings.show_rating.label",
      "info": "t:sections.product-recommendations.settings.show_rating.info"
    },
    {
      "type": "header",
      "content": "t:sections.product-recommendations.settings.header_mobile.content"
    },
    {
      "type": "select",
      "id": "columns_mobile",
      "default": "2",
      "label": "t:sections.product-recommendations.settings.columns_mobile.label",
      "options": [
        {
          "value": "1",
          "label": "t:sections.product-recommendations.settings.columns_mobile.options__1.label"
        },
        {
          "value": "2",
          "label": "t:sections.product-recommendations.settings.columns_mobile.options__2.label"
        }
      ]
    },
    {
      "type": "header",
      "content": "t:sections.all.padding.section_padding_heading"
    },
    {
      "type": "range",
      "id": "padding_top",
      "min": 0,
      "max": 100,
      "step": 4,
      "unit": "px",
      "label": "t:sections.all.padding.padding_top",
      "default": 36
    },
    {
      "type": "range",
      "id": "padding_bottom",
      "min": 0,
      "max": 100,
      "step": 4,
      "unit": "px",
      "label": "t:sections.all.padding.padding_bottom",
      "default": 36
    }
  ]
}
{% endschema %}
