{% extends "base.html" %}

{% block main_content %}
{%- set separator = config.extra.separator | default(value="•") -%}

{%- set rel_attributes = macros_rel_attributes::rel_attributes() | trim -%}

{%- if config.markdown.external_links_target_blank -%}
    {%- set blank_target = "target=_blank" -%}
{%- else -%}
    {%- set blank_target = "" -%}
{%- endif -%}

{# Debugging #}
{# <div><pre>
    Page path: {{ page.path }}
    Page components: {{ page.components | join(sep=", ") }}
    Page ancestors: {{ page.ancestors | join(sep=", ") }}
    Current language: {{ lang }}
    Default language: {{ config.default_language }}
    Current section: {% if current_section %}{{ current_section.path }}{% else %}None{% endif %}
    Page extra: {{ page.extra | json_encode() }}
    {% if section -%}
        {%- set current_section = section -%}
    {%- elif page -%}
        {%- set current_section = "" -%}
        {%- if page.ancestors | length > 0 -%}
            {%- set last_ancestor = page.ancestors | slice(start=-1) -%}
            {%- set_global current_section = get_section(path=last_ancestor.0, metadata_only=true) -%}
        {%- else -%}
            {%- set components = page.components -%}
            {%- for i in range(start=1, end=components | length) -%}
                {%- if lang == config.default_language -%}
                    {%- set potential_path = components | slice(end=components | length - i) | join(sep="/") -%}
                    {%- set potential_page = potential_path ~ "/index.md" -%}
                    {%- set potential_section = potential_path ~ "/_index.md" -%}
                {%- else -%}
                    {%- set potential_path = components | slice(start=1, end=components | length - i) | join(sep="/") -%}
                    {%- set potential_page = potential_path ~ "/index." ~ lang ~ ".md" -%}
                    {%- set potential_section = potential_path ~ "/_index." ~ lang ~ ".md" -%}
                {%- endif -%}
                Checking parent page: {{ potential_page }}
                {%- set page_data = load_data(path=potential_page, required=false) -%}
                {%- if page_data -%}
                    {%- set_global current_section = get_page(path=potential_page) %}
    Parent page found: {{ current_section.path }}
                    {%- break -%}
                {%- endif -%}
                Checking section: {{ potential_section }}
                {%- set section_data = load_data(path=potential_section, required=false) -%}
                {%- if section_data -%}
                    {%- set_global current_section = get_section(path=potential_section, metadata_only=true) -%}
                    Section found: {{ current_section.path }}
                    {%- break -%}
                {%- endif -%}
            {%- endfor -%}
        {%- endif -%}
    {%- endif %}
Found nearest parent/section: {% if current_section %}{{ current_section.path }}{% else %}None{% endif %}
Current section extra: {% if current_section %}{{ current_section.extra | json_encode() }}{% else %}None{% endif %}
</pre></div>

    {% set settings_to_test = [
        "footnote_backlinks",
        "add_src_to_code_block",
        "force_codeblock_ltr",
        "copy_button",
        "katex",
        "quick_navigation_buttons",
        "show_reading_time",
        "show_date",
        "show_author",
        "show_remote_changes",
        "toc",
        "show_previous_next_article_links",
        "invert_previous_next_article_links",
        "previous_next_article_links_full_width",
        "enable_csp",
    ] %}

    <table>
        <thead>
            <tr>
                <th>setting</th>
                <th>page</th>
                <th>section</th>
                <th>config</th>
                <th>macro output</th>
            </tr>
        </thead>
        <tbody>
            {% for setting in settings_to_test %}
                <tr>
                    <td><code>{{ setting }}</code></td>
                    <td>{{ page.extra[setting] | default(value="⬛") }}</td>
                    <td>{{ current_section.extra[setting] | default(value="⬛") }}</td>
                    <td>{{ config.extra[setting] | default(value="⬛") }}</td>
                    <td>{{ macros_settings::evaluate_setting_priority(setting=setting, page=page) }}</td>
                </tr>
            {% endfor %}
        </tbody>
    </table>
</div> #}
{# {{ __tera_context }} #}
{# End debugging #}

<main>
    <article>
        <h1 class="article-title">
            {{ page.title }}
        </h1>

        <ul class="meta">
            {#- Draft indicator -#}
            {% if page.draft %}
                <li class="draft-label">{{ macros_translate::translate(key="draft", default="DRAFT", language_strings=language_strings) }}</li>
            {% endif %}

            {#- Author(s) -#}
            {% if page.authors or config.author and macros_settings::evaluate_setting_priority(setting="show_author", page=page, default_global_value=false) == "true" %}
                {%- if page.authors -%}
                    {%- set author_list = page.authors -%}
                {%- else -%}
                    {%- set author_list = [config.author] -%}
                {%- endif -%}

                {%- if author_list | length == 1 -%}
                    {%- set author_string = author_list.0 -%}
                {%- else -%}
                    {%- set last_author = author_list | last -%}
                    {%- set other_authors = author_list | slice(end=-1) -%}
                    {%- set author_separator = macros_translate::translate(key="author_separator", default=", ", language_strings=language_strings) -%}
                    {%- set conjunction = macros_translate::translate(key="author_conjunction", default=" and ", language_strings=language_strings) -%}
                    {%- set author_string = other_authors | join(sep=author_separator) -%}
                    {%- set author_string = author_string ~ conjunction ~ last_author -%}
                {%- endif -%}

                {%- set by_author = macros_translate::translate(key="by_author", default="By $AUTHOR", language_strings=language_strings) -%}
                <li>{{ by_author | replace(from="$AUTHOR", to=author_string) }}</li>
                {%- set previous_visible = true -%}
            {% endif %}

            {#- Date -#}
            {% if page.date and macros_settings::evaluate_setting_priority(setting="show_date", page=page, default_global_value=true) == "true" %}
                {%- if previous_visible -%}&nbsp;{{ separator }}&nbsp;{%- endif -%}<li>{{ macros_format_date::format_date(date=page.date, short=true, language_strings=language_strings) }}</li>
                {#- Variable to keep track of whether we've shown a section, to avoid separators as the first element -#}
                {%- set previous_visible = true -%}
            {% endif %}

            {#- Reading time -#}
            {% if macros_settings::evaluate_setting_priority(setting="show_reading_time", page=page, default_global_value=true) == "true" %}
                {%- if previous_visible -%}&nbsp;{{ separator }}&nbsp;{%- endif -%}<li title="{{ macros_translate::translate(key="words", number=page.word_count, default="$NUMBER words", language_strings=language_strings) }}">{{ macros_translate::translate(key="min_read", number=page.reading_time, default="$NUMBER min read", language_strings=language_strings) }}</li>
                {%- set previous_visible = true -%}
            {% endif %}

            {#- Tags -#}
            {%- if page.taxonomies and page.taxonomies.tags -%}
                {%- if previous_visible -%}&nbsp;{{ separator }}&nbsp;{%- endif -%}<li>{{- macros_translate::translate(key="tags", default="tags", language_strings=language_strings) | capitalize -}}:&nbsp;</li>
                {%- for tag in page.taxonomies.tags -%}
                    <li><a href="{{ get_taxonomy_url(kind='tags', name=tag, lang=lang) | safe }}">{{ tag }}</a>
                    {%- if not loop.last -%}
                        ,&nbsp;
                    {%- endif -%}
                    </li>
                {%- endfor -%}
                {%- set previous_visible = true -%}
            {%- endif -%}

            {#- Last updated on -#}
            {% if page.updated %}
                {%- set last_updated_str = macros_translate::translate(key="last_updated_on", default="Updated on $DATE", language_strings=language_strings) -%}
                {%- set formatted_date = macros_format_date::format_date(date=page.updated, short=true, language_strings=language_strings) -%}
                {%- set updated_str = last_updated_str | replace(from="$DATE", to=formatted_date) -%}
                </ul><ul class="meta last-updated"><li>{{ updated_str }}</li>
                {# Show link to remote changes if enabled #}
                {% if config.extra.remote_repository_url and macros_settings::evaluate_setting_priority(setting="show_remote_changes", page=page, default_global_value=true) == "true" %}
                    {%- if previous_visible -%}{{ separator }}&nbsp;{%- endif -%}
                    <li><a href="{% include "partials/history_url.html" %}" {{ blank_target }} rel="{{ rel_attributes }}">{{ macros_translate::translate(key="see_changes", default="See changes", language_strings=language_strings) }}<small>&nbsp;<span class="arrow-corner">↗</span></small></a></li>
                {% endif %}
            {% endif %}
        </ul>

        {# A page is part of a series if one of the sections above (whether it is transparent or not) has the `extra.series` parameter set to true. #}
        {# As a series might be a transparent section in order to mix up its articles with those of the section just above or the root, #}
        {# there is no other way but to compute the potential path of each ancestor section related to the page and look for the first one being a series. #}
        {# Using the `ancestors` field of a section is not possible because transparent sections are not present in this field. #}
        {%- set current_path = [] -%}
        {%- set section_paths = [] -%}
        {%- for path in page.relative_path | split(pat="/") | slice(end=-1) -%}
            {%- set_global current_path = current_path | concat(with=path) -%}
            {%- set section_path = current_path | concat(with="_index.md") | join(sep="/") -%}
            {%- set_global section_paths = section_paths | concat(with=section_path) -%}
        {%- endfor -%}
        {# The series the page is part of is the closest section flagged as a series, if any #}
        {%- for section_path in section_paths | reverse -%}
            {%- set section_file_exists = load_data(path=section_path, required=false) -%}
            {%- if section_file_exists -%}
                {%- set loaded_section = get_section(path=section_path,lang=lang) -%}
                {%- if "series" in loaded_section.extra and loaded_section.extra.series -%}
                    {%- set_global series_section = loaded_section -%}
                    {%- set_global series_ordered_pages = loaded_section.pages -%}
                    {%- if loaded_section.paginated | default(value=0) > 0 and loaded_section.paginate_reversed -%}
                        {%- set_global series_ordered_pages = loaded_section.pages | reverse -%}
                    {%- endif -%}
                    {%- break -%}
                {%- endif -%}
            {%- endif -%}
        {%- endfor -%}

        {% if series_section %}
            {{ macros_series_page::get_introduction(page=page, series_section=series_section, series_ordered_pages=series_ordered_pages, language_strings=language_strings)}}
        {% endif %}

        {% if page.extra.tldr %}
            <div class="admonition note">
                <div class="admonition-icon admonition-icon-note"></div>
                <div class="admonition-content">
                    <strong class="admonition-title">
                        <span title="Too long; didn't read (summary)">TL;DR</span>
                    </strong>
                    <p>{{ page.extra.tldr | markdown | safe }}</p>
                </div>
            </div>
        {% endif %}

        {# Optional table of contents below the header #}
        {% if page.toc and macros_settings::evaluate_setting_priority(setting="toc", page=page, default_global_value=false) == "true" %}
            {{ macros_toc::toc(page=page, header=true, language_strings=language_strings) }}
        {% endif %}

        <section class="body">
            {# The replace pattern is used to enable arbitrary locations for the Table of Contents #}
            {# This is Philipp Oppermann's workaround: https://github.com/getzola/zola/issues/584#issuecomment-474329637 #}
            {{ page.content | replace(from="<!-- toc -->", to=macros_toc::toc(page=page, header=false, language_strings=language_strings)) | safe }}
        </section>

        {# Check if comments are enabled, checking that they are not disabled on the specific page #}
        {% set systems = ["giscus", "utterances", "hyvortalk", "isso"] %}
        {% set enabled_systems = 0 %}
        {% set comment_system = "" %}

        {% for system in systems %}
            {% set global_enabled = config.extra[system].enabled_for_all_posts | default(value=false) %}
            {% set page_enabled = page.extra[system] | default(value=global_enabled) %}
            {% set is_enabled = global_enabled and page_enabled != false or page_enabled == true %}

            {% if is_enabled %}
                {% set_global comment_system = system %}
                {% set_global enabled_systems = enabled_systems + 1 %}
            {% endif %}
        {% endfor %}

        {% if series_section %}
            {{ macros_series_page::get_navigation(page=page, series_section=series_section, series_ordered_pages=series_ordered_pages, language_strings=language_strings)}}
        {%- endif -%}
        {% if macros_settings::evaluate_setting_priority(setting="show_previous_next_article_links", page=page, default_global_value=true) == "true" %}
            {%- if page.lower or page.higher -%}
                {% set next_label = macros_translate::translate(key="next", default="Next", language_strings=language_strings) %}
                {% set prev_label = macros_translate::translate(key="prev", default="Prev", language_strings=language_strings) %}
                {% if macros_settings::evaluate_setting_priority(setting="invert_previous_next_article_links", page=page, default_global_value=true) == "true" %}
                    {% if page.higher %}
                        {% set left_link = page.higher.permalink %}
                        {% set left_label = prev_label %}
                        {% set left_title = page.higher.title %}
                    {% endif %}
                    {% if page.lower %}
                        {% set right_link = page.lower.permalink %}
                        {% set right_label = next_label %}
                        {% set right_title = page.lower.title %}
                    {% endif %}
                {% else %}
                    {% if page.lower %}
                        {% set left_link = page.lower.permalink %}
                        {% set left_label = next_label %}
                        {% set left_title = page.lower.title %}
                    {% endif %}
                    {% if page.higher %}
                        {% set right_link = page.higher.permalink %}
                        {% set right_label = prev_label %}
                        {% set right_title = page.higher.title %}
                    {% endif %}
                {% endif %}
                {% if macros_settings::evaluate_setting_priority(setting="previous_next_article_links_full_width", page=page, default_global_value=true) == "true" %}
                    {%- set full_width_class = "full-width" -%}
                {% endif %}
            <nav class="{{ full_width_class | default(value="") }} article-navigation">
                <div>
                {%- if left_link and left_label and left_title -%}
                <a href="{{ left_link | safe }}" aria-label="{{ left_label }}" aria-describedby="left_title"><span class="arrow">←</span>&nbsp;{{ left_label }}</a>
                <p aria-hidden="true" id="left_title">{{ left_title | truncate(length=100, end="…") }}</p>
                {%- endif -%}
                </div>
                <div>
                {%- if right_link and right_label and right_title -%}
                <a href="{{ right_link | safe }}" aria-label="{{ right_label }}" aria-describedby="right_title">{{ right_label }}&nbsp;<span class="arrow">→</span></a>
                <p aria-hidden="true" id="right_title">{{ right_title | truncate(length=100, end="…") }}</p>
                {%- endif -%}
                </div>
            </nav>
            {%- endif -%}
        {%- endif -%}

        {# Ensure only one comment system is enabled #}
        {% if enabled_systems > 1 %}
            {{ throw(message="ERROR: Multiple comment systems have been enabled for the same page. Check your config.toml and individual page settings to ensure only one comment system is activated at a time.") }}
        {% endif %}

        {# Comments #}
        {% if comment_system %}
            {% include "partials/comments.html" %}
        {% endif %}

    </article>
</main>

{%- include "partials/extra_features.html" -%}

{% endblock main_content %}