{%- comment -%}
 *
 * MIT License
 * Copyright (c) 2020 Raghuveer S, Hiran Venugopalan
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 * 
 * File: Backlinks.html
 * Author Raghuveer S, Hiran Venugopalan
 
 * This file contains the markup for the links that refer back to this file.
 * You can find the final thing at the end of every post inside a small greyish box
 *
{%- endcomment -%}

<!-- Add backlinks to the current page --> 
{%- assign link_count = 0 -%}
{%- assign wiki_link_title = '[' | append: page.title | append: ']' -%}
{%- for note in site.notes -%}
        {%- if note.url != page.url -%}
            {%- if note.content contains wiki_link_title -%}
                {%- assign link_count = link_count | plus:1 -%}
            {%- endif -%}
    {%- endif -%}
{%- endfor -%}
{%- for note in site.posts -%}
        {%- if note.url != page.url -%}
            {%- if note.content contains wiki_link_title -%}
                {%- assign link_count = link_count | plus:1 -%}
            {%- endif -%}
    {%- endif -%}
{%- endfor -%}
{%- for note in site.pages -%}
        {%- if note.url != page.url -%}
            {%- if note.content contains wiki_link_title -%}
                {%- assign link_count = link_count | plus:1 -%}
            {%- endif -%}
    {%- endif -%}
{%- endfor -%}
{%- if link_count > 0 -%}
{%- assign wiki_link_title = '[' | append: page.title | append: ']' -%}
{%- assign display_class = 'hide' -%}
{%- if site.preferences.backlinks.enabled -%}
{%- assign display_class = 'show' -%}
{%- endif -%}
<div class="related {{display_class}}" id="jekyll-seamless-backlinks">
    <h5 class="meta-title centre-title">Links to this note</h5>
    <div class="related-wrapper">
        {%- for note in site.notes -%}
        {%- if note.url != page.url -%}
            {%- if note.content contains wiki_link_title -%}
            <div class="related-group"><a href="{{ site.baseurl }}{{note.url}}">
                <h6>{{ note.title }}</h6>
                <p class="excerpt" style="margin: 0px; color: var(--color-text-main) !important;">{{ note.content | strip_html | strip | remove: "[[" | remove: "]]" | remove: "-" | escape | truncate: 100 }}</p>
            </a></div>
            {%- endif -%}
        {%- endif -%}
        {%- endfor -%}
        <!--
        This code is to show other pages (note under collection) as Backlink. 
        Disabled as I don't see a need for this right now. 

        {%- for note in site.pages -%}
        {%- if note.url != page.url -%}
            {%- if note.content contains wiki_link_title -%}
            <div class="related-group"><a href="{{note.url}}">
                <h6>{{ note.title }}</h6>
                <p class="excerpt" style="margin: 0px;">{{ note.content | strip_html | strip | remove: "[[" | remove: "]]" | escape | truncate: 100 }}</p>
            </a></div>
            {%- endif -%}
        {%- endif -%}
        {%- endfor -%}

        -->
    </div>
    <br/>
</div>
{%- endif -%}