{% extends "ledger/base.html" %}
{% load ledger_extras %}
{% block title %}Settle up · tripsplit{% endblock %}
{% block content %}
<div class="toolbar"><h1>Settle up</h1><span class="spacer"></span>
  <a class="btn secondary" href="{% url 'settle_print' group.id %}?mode={{ mode }}{% if known %}&known=1{% endif %}&algo={{ algo }}" target="_blank">Printable summary</a>
</div>
<form method="get" class="card toolbar noprint">
  <label style="margin:0">Algorithm
    <select name="algo" onchange="this.form.submit()"><option value="optimal" {% if algo == 'optimal' %}selected{% endif %}>Minimum transfers (exact)</option><option value="greedy" {% if algo == 'greedy' %}selected{% endif %}>Greedy</option></select></label>
  <label style="margin:0">Mode
    <select name="mode" onchange="this.form.submit()"><option value="converted" {% if mode == 'converted' %}selected{% endif %}>Converted to {{ group.base_currency }}</option><option value="original" {% if mode == 'original' %}selected{% endif %}>Settle in original currencies</option></select></label>
  <label style="margin:0;font-weight:500"><input type="checkbox" name="known" value="1" {% if known %}checked{% endif %} onchange="this.form.submit()"> Only between people who already transacted</label>
</form>
{% for b in blocks %}
<div class="card">
  <h2>Plan <span class="pill">{{ b.currency }}</span> <span class="pill green">{{ b.label }}</span></h2>
  <p class="muted">Minimum is {{ b.optimal_count }} transfer{{ b.optimal_count|pluralize }}; greedy needs {{ b.greedy_count }}{% if b.savings_vs_greedy %} (exact solver saves {{ b.savings_vs_greedy }}){% endif %}; raw pairwise debts: {{ b.pairwise|length }}.</p>
  <table>
    <thead><tr><th>From</th><th>To</th><th class="num">Amount</th><th>UPI</th><th class="noprint"></th></tr></thead>
    {% for t in b.plan %}
    <tr>
      <td>{{ t.payer.name }}</td><td>{{ t.payee.name }}</td><td class="num">{{ t.minor|money:t.currency }}</td>
      <td>{% if t.upi %}<div class="mono">{{ t.upi }}</div><div class="qr">{{ t.qr|safe }}</div>{% else %}<span class="muted">{% if t.currency == 'INR' %}no UPI id{% else %}n/a{% endif %}</span>{% endif %}</td>
      <td class="noprint">
        <form method="post">{% csrf_token %}
          <input type="hidden" name="payer" value="{{ t.payer.id }}"><input type="hidden" name="payee" value="{{ t.payee.id }}">
          <input type="hidden" name="amount" value="{{ t.amount }}"><input type="hidden" name="currency" value="{{ t.currency }}">
          <input type="hidden" name="date" value="{% now 'Y-m-d' %}"><input type="hidden" name="note" value="Settle-up">
          <button class="btn small" type="submit">Mark paid</button>
        </form></td>
    </tr>
    {% empty %}<tr><td colspan="5" class="muted">Everyone is settled up in {{ b.currency }}.</td></tr>{% endfor %}
  </table>
</div>
{% endfor %}
<div class="grid">
<div class="card noprint">
  <h2>Record a payment</h2>
  <form method="post">{% csrf_token %}
    <div class="row"><div><label>From</label>{{ form.payer }}</div><div><label>To</label>{{ form.payee }}</div></div>
    <div class="row"><div><label>Amount</label>{{ form.amount }}</div><div><label>Currency</label>{{ form.currency }}</div>
      <div><label>FX rate (if foreign)</label>{{ form.fx_rate }}</div><div><label>Date</label>{{ form.date }}</div></div>
    <div class="field"><label>Note</label>{{ form.note }}</div>
    <button class="btn" type="submit">Record</button>
  </form>
</div>
<div class="card">
  <h2>Recorded payments</h2>
  <table>
  {% for s in settlements %}
    <tr><td>{{ s.payer.name }} paid {{ s.payee.name }}<div class="muted">{{ s.date|date:"j M" }} {{ s.note }}</div></td><td class="num">{{ s.amount|dec:s.currency }}</td>
    <td class="noprint"><form class="inline" method="post" action="{% url 'settlement_delete' group.id s.id %}">{% csrf_token %}<button class="btn small danger" type="submit">Undo</button></form></td></tr>
  {% empty %}<tr><td class="muted">None yet.</td></tr>{% endfor %}
  </table>
</div>
</div>
{% endblock %}