{#- Figures for monitor pages. Built-in Jinja only, so partials that import these
    render in any environment (tests render some partials with a bare Environment).

    count(v)  875799 -> 875,799
    usd(v)    one rule for charges: 2 decimals from $1, 4 under $1, 6 under one cent
              ($1.107414 -> $1.11, $0.0295196 -> $0.0295, $0.00117 -> $0.001170).
              Put the exact value in a title where it matters (see exact_usd).
    ms(v)     1601.79 -> 1,602 ms; 8.61 -> 8.6 ms
    tape(items, label)  a .fleet-tape strip from observability_view tape items. -#}

{% macro count(value, unknown='—') -%}
{%- if value is none or value == '' -%}{{ unknown }}{%- else -%}{{ '{:,}'.format(value|int) }}{%- endif -%}
{%- endmacro %}

{% macro usd(value, unknown='Unknown') -%}
{%- if value is none or value == '' -%}{{ unknown }}{%- else -%}
{%- set amount = value|float -%}
{%- if amount == 0 -%}$0.00
{%- elif amount|abs >= 1 -%}{{ '${:,.2f}'.format(amount) }}
{%- elif amount|abs >= 0.01 -%}{{ '${:.4f}'.format(amount) }}
{%- else -%}{{ '${:.6f}'.format(amount) }}
{%- endif -%}
{%- endif -%}
{%- endmacro %}

{#- The unrounded value for a title attribute, e.g. "$1.10741417". -#}
{% macro usd_exact(value) -%}
{%- if value is not none and value != '' -%}${{ value }}{%- endif -%}
{%- endmacro %}

{% macro ms(value, unknown='—') -%}
{%- if value is none or value == '' -%}{{ unknown }}
{%- elif value|float < 100 -%}{{ '{:,.1f} ms'.format(value|float) }}
{%- else -%}{{ '{:,.0f} ms'.format(value|float) }}
{%- endif -%}
{%- endmacro %}

{% macro percent(value, unknown='—') -%}
{%- if value is none or value == '' -%}{{ unknown }}{%- else -%}{{ '%.1f%%'|format(value|float) }}{%- endif -%}
{%- endmacro %}

{% macro tape_value(entry) -%}
{%- if entry.kind == 'usd' -%}{{ usd(entry.value) }}
{%- elif entry.kind == 'percent' -%}{{ percent(entry.value) }}
{%- elif entry.kind == 'ms' -%}{{ ms(entry.value) }}
{%- elif entry.kind == 'count' -%}{{ count(entry.value) }}
{%- else -%}{{ entry.value }}
{%- endif -%}
{%- endmacro %}

{% macro tape(items, label, extra_class='') -%}
<div class="fleet-tape obs-tape{% if extra_class %} {{ extra_class }}{% endif %}" role="list" aria-label="{{ label }}">
    {%- for entry in items %}
    <div role="listitem" class="obs-tape-{{ entry.kind }}{% if entry.meta %} fleet-tape-meta{% endif %}"><span>{{ entry.label }}</span><strong{% if entry.tone %} class="{{ entry.tone }}"{% endif %}{% if entry.title %} title="{{ entry.title }}"{% endif %}>{{ tape_value(entry) }}</strong></div>
    {%- endfor %}
</div>
{%- endmacro %}