{% extends "ui/_layout.html" %}
{% block title %}Machines - bty-web{% endblock %}
{% block content %}
<div class="d-flex justify-content-between align-items-center mb-3">
    <h1 class="h3 mb-0"><i class="bi bi-pc-display me-2"></i>Machines</h1>
    {% if active_filter %}
    <span class="text-muted small">
        <i class="bi bi-funnel me-1"></i>
        filter: <code>{{ active_filter }}</code>
        <a href="/ui/machines" class="ms-2">show all</a>
    </span>
    {% else %}
    <span class="live-indicator text-muted small"
          title="Live-updating via Server-Sent Events">
        <i class="bi bi-broadcast text-success me-1"></i>
        <span id="machines-count">{{ machines|length }}</span> total · live
    </span>
    {% endif %}
</div>

<div class="card mb-3">
    <div class="card-header bg-light fw-semibold">
        <i class="bi bi-plus-circle me-1"></i>Add machine
    </div>
    <div class="card-body">
        {# The form posts to /ui/machines/<mac>; the existing
           upsert handler creates the row with ``discovered_at=NULL``
           if the MAC isn't known yet. Once the box PXE-boots,
           ``discovered_at`` flips to the first-seen timestamp and
           the boot_policy already configured here takes effect on
           that first ``GET /pxe/<mac>``. Lets operators stage a
           machine + its image binding before the box is even
           racked. #}
        <form id="add-machine-form" class="row g-2 align-items-end"
              onsubmit="return submitAddMachine(event);">
            <div class="col-md-3">
                <label for="add-mac" class="form-label small mb-1">MAC address</label>
                <input type="text" required class="form-control font-monospace"
                       id="add-mac" name="mac"
                       pattern="^([0-9a-fA-F]{2}[:-]){5}[0-9a-fA-F]{2}$"
                       placeholder="aa:bb:cc:dd:ee:ff">
            </div>
            <div class="col-md-3">
                <label for="add-hostname" class="form-label small mb-1">Hostname <span class="text-muted">(optional)</span></label>
                {# Pattern mirrors the server-side Pydantic regex on
                   ``MachineUpsert.hostname``: each dot-separated label
                   is alnum, hyphen-internal-only, no leading/trailing
                   hyphen, no consecutive dots. Browser-side validation
                   gives the operator an inline error before the form
                   posts; without this match, the server returns 422
                   and the operator hits the form-flash redirect. #}
                <input type="text" class="form-control" id="add-hostname" name="hostname"
                       pattern="^[A-Za-z0-9](?:[A-Za-z0-9-]{0,61}[A-Za-z0-9])?(?:\.[A-Za-z0-9](?:[A-Za-z0-9-]{0,61}[A-Za-z0-9])?)*$"
                       placeholder="lab-01">
            </div>
            <div class="col-md-2">
                <label for="add-boot-policy" class="form-label small mb-1">Boot policy</label>
                <select class="form-select" id="add-boot-policy" name="boot_policy">
                    <option value="local" selected>local (don't reflash)</option>
                    <option value="tui">tui (operator picks)</option>
                    <option value="flash">flash (every boot)</option>
                </select>
            </div>
            <div class="col-md-2">
                <label for="add-provisioning-mode" class="form-label small mb-1">Provisioning</label>
                <select class="form-select" id="add-provisioning-mode" name="provisioning_mode">
                    <option value="none" selected>none</option>
                    <option value="cijoe-task">cijoe-task</option>
                </select>
            </div>
            <div class="col-md-2">
                <button type="submit" class="btn btn-primary w-100">
                    <i class="bi bi-plus-lg me-1"></i>Add
                </button>
            </div>
        </form>
        <div class="form-text small mt-2">
            MAC is the only required field. Image binding is set per-machine on
            the detail page (click the row); flash policy and per-machine boot
            mode default to "local" / "none" so a freshly added machine doesn't
            re-flash itself unexpectedly on first boot.
        </div>
    </div>
</div>

<script>
    function submitAddMachine(ev) {
        ev.preventDefault();
        var f = ev.target;
        var mac = f.querySelector("#add-mac").value.trim().toLowerCase();
        var data = new FormData();
        data.append("hostname", f.querySelector("#add-hostname").value);
        data.append("boot_policy", f.querySelector("#add-boot-policy").value);
        data.append("provisioning_mode", f.querySelector("#add-provisioning-mode").value);
        // Submit via the existing form-handler endpoint -- /ui/machines/<mac>.
        fetch("/ui/machines/" + encodeURIComponent(mac), {
            method: "POST",
            credentials: "same-origin",
            body: data,
        }).then(function (r) {
            if (!r.ok) throw new Error("HTTP " + r.status);
            // The SSE stream will re-render the table; clear the form so
            // the operator can immediately add another.
            f.reset();
        }).catch(function (e) {
            alert("Add machine failed: " + e.message);
        });
        return false;
    }
</script>

<div class="card">
    <div class="table-responsive">
        <table class="table table-hover mb-0 align-middle">
            <thead class="table-light">
                <tr>
                    <th>MAC</th>
                    <th>Image</th>
                    <th>Provisioning</th>
                    <th>Boot</th>
                    <th>Hostname</th>
                    <th>Last seen</th>
                    <th>Last flashed</th>
                    <th></th>
                </tr>
            </thead>
            {# The tbody subscribes to the SSE stream so it auto-updates
               when the operator (or auto-discovery) mutates machines.
               The browser carries the bty-token cookie automatically;
               that is what authenticates the EventSource connection.
               ``sse-target`` opts in to the layout-level flash animation.

               When a server-side filter is active (``?filter=...``)
               the SSE wiring is dropped: the next ``machines-update``
               would replace the filtered tbody with the full
               un-filtered list, which is operator-confusing. The page
               becomes static under filter; reload to refresh. #}
            <tbody id="machines-tbody"
                   class="sse-target"
                   {% if not active_filter %}
                   hx-ext="sse"
                   sse-connect="/events/machines"
                   sse-swap="machines-update"
                   {% endif %}>
                {% include "ui/_machines_tbody.html" %}
            </tbody>
        </table>
    </div>
</div>
{% endblock %}