{% extends "core/base.html" %}
{% block title %}{{ vendor.name }}{% endblock %}
{% block content %}
<h1>{{ vendor.name }} <small class="muted">{{ vendor.code }}</small></h1>
<div class="stats">
  <div class="stat"><b>{{ stats.spend|floatformat:0 }}</b><span>Spend (non-rejected)</span></div>
  <div class="stat"><b>{{ stats.invoices }}</b><span>Invoices</span></div>
  <div class="stat"><b>{{ stats.exception_rate|floatformat:0 }}%</b><span>Exception rate</span><small>{{ stats.with_exceptions }} with exceptions</small></div>
  <div class="stat"><b>{{ vendor.payment_terms_days }} d</b><span>Terms</span><small>{% if vendor.discount_pct %}{{ vendor.discount_pct }}/{{ vendor.discount_days }} early pay{% else %}no discount{% endif %}</small></div>
</div>
<div class="grid2">
<section class="card">
  <h2>Benford first-digit test</h2>
  <svg viewBox="0 0 {{ chart.width }} {{ chart.height }}" class="chart" role="img" aria-label="Observed versus expected first-digit frequency">
    <line x1="24" y1="{{ chart.base }}" x2="{{ chart.width }}" y2="{{ chart.base }}" stroke="currentColor" opacity=".4"/>
    {% for b in chart.bars %}
    <rect x="{{ b.x }}" y="{{ b.y }}" width="{{ b.w }}" height="{{ b.h }}" class="obs{% if test.flagged %} flagged{% endif %}"><title>Digit {{ b.digit }}: {{ b.count }} invoices</title></rect>
    <text x="{{ b.cx }}" y="{{ chart.height|add:'-8' }}" text-anchor="middle" font-size="11" fill="currentColor">{{ b.digit }}</text>
    {% endfor %}
    <polyline points="{{ chart.line }}" class="exp" fill="none"/>
  </svg>
  <p class="muted">Bars: observed share. Line: Benford expectation. n={{ test.n }}, chi&sup2;={{ test.chi2|floatformat:1 }}, p={{ test.p_value|floatformat:4 }}.
  {% if test.flagged %}<span class="badge sev-high">anomaly (p &lt; 0.01)</span>{% elif test.n < 30 %}<span class="badge">sample too small (&lt; 30)</span>{% else %}<span class="badge st-resolved">consistent</span>{% endif %}</p>
</section>
<section class="card">
  <h2>Bank details</h2>
  <table><tbody>{% for b in banks %}<tr><td>{{ b.effective_from }}</td><td>{{ b.bank_name }}</td><td>{{ b.account_no }}</td><td>{{ b.ifsc }}</td></tr>{% endfor %}</tbody></table>
  <h2>Exceptions by type</h2>
  {% for label, n in exc_by_type %}<div>{{ label }}: <b>{{ n }}</b></div>{% empty %}<p class="muted">None.</p>{% endfor %}
</section>
</div>
<section class="card">
  <h2>Recent invoices</h2>
  <table><thead><tr><th>Invoice</th><th>Date</th><th class="num">Total</th><th>Status</th><th class="num">Open exc.</th></tr></thead>
  <tbody>{% for i in invoices %}<tr><td><a href="{% url 'workbench' i.pk %}">{{ i.invoice_no }}</a></td><td>{{ i.invoice_date }}</td><td class="num">{{ i.total }}</td><td><span class="badge inv-{{ i.status }}">{{ i.get_status_display }}</span></td><td class="num">{{ i.open_exc }}</td></tr>{% endfor %}</tbody></table>
</section>
{% endblock %}