{%- macro repo_link(project) -%}
    <a data-mautrix-exclude-plaintext href="{{ project.web_url }}">{{ project.path_with_namespace|e }}</a>
{%- endmacro -%}
{%- macro user_link(user) -%}
    <a data-mautrix-exclude-plaintext href="{{ user.web_url }}">{{ user.username|e }}</a>
{%- endmacro -%}

{%- macro pluralize(value) -%}
    {% if value != 1 %}s{% endif %}
{%- endmacro -%}

{%- macro issue_link(issue, title = true, important = true) -%}
    <a href="{{ issue.url }}" {% if not important %}data-mautrix-exclude-plaintext{% endif %}>
        {%- if issue.confidential and (not changes or not changes.confidential) -%}confidential {% endif -%}
        issue #{{ issue.issue_id -}}
    </a>
    {%- if title -%}
        : {{ issue.title|e -}}
    {% endif %}
{%- endmacro -%}

{%- macro merge_request_link(merge_request, title = true, important = true) -%}
    <a href="{{ merge_request.url }}" {% if not important %}data-mautrix-exclude-plaintext{% endif %}>
        merge request !{{ merge_request.merge_request_id -}}
    </a>
    {%- if title -%}
        : {{ merge_request.title|e -}}
    {% endif %}
{%- endmacro -%}

{%- macro issue_or_merge_link(attrs, title = true, important = true) -%}
    {%- if attrs.issue_id -%}
        {{- issue_link(attrs, title, important) -}}
    {%- elif attrs.merge_request_id -%}
        {{- merge_request_link(attrs, title, important) -}}
    {%- else -%}
        unknown object {{ attrs.title|e }}
    {%- endif -%}
{%- endmacro -%}

{%- macro fancy_label(label) -%}
    <span data-mx-color="{{ label.foreground_color }}"
          data-mx-bg-color="{{ label.color }}"
          title="{{ label.description }}"
    >&nbsp;{{ util.bold_scope(label.title) }}&nbsp;</span>
{%- endmacro -%}

{%- macro fancy_labels(labels) -%}
    {% for label in labels %}
        {{ fancy_label(label) }}
    {% endfor %}
{%- endmacro -%}

{%- macro list_changes(added, removed, add_word, remove_word, mutate) -%}
    {%- if added -%}
        {{ add_word }} {{ util.join_human_list(added, mutate=mutate) }}
        {% if not removed %}
            to
        {% endif %}
    {%- endif -%}
    {%- if removed -%}
        {%- if added %}
            and
        {% endif -%}
        {{ remove_word }} {{ util.join_human_list(removed, mutate=mutate) }}
        from
    {%- endif -%}
{%- endmacro -%}

{%- macro label_changes(added, removed) -%}
    {{ list_changes(added, removed, "added", "removed", fancy_label) }}
{%- endmacro -%}
{%- macro assignee_changes(added, removed) -%}
    {{ list_changes(added, removed, "assigned", "unassigned", user_link) }}
{%- endmacro -%}