{% extends "base.html" %}
{% import "_links.html" as links with context %}
{% block title %}History — Cairn Dashboard{% endblock %}
{% block content %}
<section class="panel">
  <div id="refresh-region">
  <h1>History</h1>
  <div class="stat-row">
    <div class="stat-tile">
      <div class="stat-value">{{ calls | length }}</div>
      <div class="stat-label">calls shown</div>
    </div>
    <div class="stat-tile">
      <div class="stat-value">{{ window }}</div>
      <div class="stat-label">time window</div>
    </div>
    <div class="stat-tile">
      <div class="stat-value">{{ calls | selectattr('status', 'equalto', 'error') | list | length }}</div>
      <div class="stat-label">error calls</div>
    </div>
  </div>
  <form class="graph-controls" method="get" action="/history">
    <label>Tool
      <input type="text" name="tool" value="{{ tool }}">
    </label>
    <label>Session
      <input type="text" name="session" value="{{ session }}">
    </label>
    <label>Source
      <input type="text" name="source" value="{{ source }}">
    </label>
    <input type="hidden" name="window" value="{{ window }}">
    <button type="submit">Apply</button>
  </form>
  {% include "window_control.html" %}
  {#- FR-005: exports ride the view's current filters (the selected store
      rides links.url); before/after are page cursors, not filters. -#}
  {%- set export_q = {} %}
  {%- if tool %}{% set _ = export_q.update({'tool': tool}) %}{% endif %}
  {%- if session %}{% set _ = export_q.update({'session': session}) %}{% endif %}
  {%- if source %}{% set _ = export_q.update({'source': source}) %}{% endif %}
  {%- if window != "all" %}{% set _ = export_q.update({'window': window}) %}{% endif %}
  <p class="muted">
    Export:
    <a class="btn-secondary" href="{{ links.url('/history.csv', export_q) }}">CSV</a>
    <a class="btn-secondary" href="{{ links.url('/history.json', export_q) }}">JSON</a>
  </p>
  {% if calls %}
  <table class="data-table">
    <thead>
      <tr>
        <th>Tool</th>
        <th>Timestamp</th>
        <th>Duration</th>
        <th>Status</th>
        <th>Session</th>
        <th>Source</th>
        <th>Est. tokens (req/resp)</th>
        <th>Arguments</th>
      </tr>
    </thead>
    <tbody>
      {% for h in calls %}
      <tr>
        <td>{{ h.tool_name }}</td>
        <td>{{ h.invoked_at | epoch }}</td>
        <td class="num">{{ h.duration_ms | duration }}</td>
        <td><span class="badge badge-{{ h.status }}">{{ h.status }}</span></td>
        <td><code>{{ links.view_link('chains', 'session', h.session_id, window) }}</code></td>
        <td>{{ h.source }}</td>
        <td class="num">{{ h | tokens }}</td>
        <td>{{ h.args_summary or "—" }}</td>
      </tr>
      {% endfor %}
    </tbody>
  </table>
  {% if prev_cursor or next_cursor %}
  {#- FR-003/FR-006: paging links keep the active filters AND the selected
      store (links.url); empty selection keeps the bare hrefs. -#}
  <p class="muted">
    {%- if prev_cursor %}
    {%- set q = {'after': prev_cursor} %}
    {%- if tool %}{% set _ = q.update({'tool': tool}) %}{% endif %}
    {%- if session %}{% set _ = q.update({'session': session}) %}{% endif %}
    {%- if source %}{% set _ = q.update({'source': source}) %}{% endif %}
    {%- if window != "all" %}{% set _ = q.update({'window': window}) %}{% endif %}
    <a href="{{ links.url('/history', q) }}">Newer</a>
    {%- endif %}
    {%- if prev_cursor and next_cursor %} · {% endif %}
    {%- if next_cursor %}
    {%- set q = {'before': next_cursor} %}
    {%- if tool %}{% set _ = q.update({'tool': tool}) %}{% endif %}
    {%- if session %}{% set _ = q.update({'session': session}) %}{% endif %}
    {%- if source %}{% set _ = q.update({'source': source}) %}{% endif %}
    {%- if window != "all" %}{% set _ = q.update({'window': window}) %}{% endif %}
    <a href="{{ links.url('/history', q) }}">Older</a>
    {%- endif %}
  </p>
  {% endif %}
  {% else %}
  <p class="empty-state">No matching calls{% if not tool and not session and not source %} recorded yet{% endif %}.</p>
  {% endif %}
  </div>
</section>
{% endblock %}
{% block scripts %}<script src="{{ url_for('static', path='/app.js') }}?v={{ asset_version }}"></script>{% endblock %}