{% extends "base.html" %}
{% set active_page = "devices" %}
{% set can_toggle = current_user.has_permission('devices.toggle') %}
{% set can_create = current_user.has_permission('devices.create') %}
{% set can_edit = current_user.has_permission('devices.edit') %}
{% set can_delete = current_user.has_permission('devices.delete') %}
{% set show_actions_col = can_edit or can_delete %}
{% set col_count = 5 + (1 if can_toggle else 0) + (1 if show_actions_col else 0) %}
{% block page_title %}Clients{% endblock %}
{% block page_sub %}<div class="topbar-sub">{{ devices|length }} Geräte</div>{% endblock %}

{% block content %}

<div class="section-head">
  <div>
    <h2 style="font-size:16px;">Geräte</h2>
    <div class="hint">PoE-Geräte mit IP, MAC-Adresse und zugeordnetem Switch-Port für die automatische Erreichbarkeitsprüfung.</div>
  </div>
  {% if can_create %}
  <button type="button" class="btn btn-primary" data-open-modal="deviceModal" onclick="resetDeviceForm()">
    <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round"><path d="M12 5v14M5 12h14"/></svg>
    Neues Gerät
  </button>
  {% endif %}
</div>

<div class="table-wrap">
  <div class="table-toolbar">
    <div class="search-input">
      <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round"><circle cx="11" cy="11" r="7"/><path d="M21 21l-4.3-4.3"/></svg>
      <input type="text" id="deviceSearch" placeholder="Geräte durchsuchen…" oninput="filterTable('deviceSearch','devicesTable')">
    </div>
  </div>
  <div style="overflow-x:auto;">
  <table class="data-table" id="devicesTable" data-sortable>
    <thead>
      <tr>
        <th data-sort-key="hostname">Hostname</th>
        <th data-sort-key="ip">IP-Adresse</th>
        <th data-sort-key="mac">MAC-Adresse</th>
        <th data-sort-key="switch">Switch</th>
        <th data-sort-key="port">Port</th>
        {% if can_toggle %}<th>Status</th>{% endif %}
        {% if show_actions_col %}<th style="width:1%;">Aktionen</th>{% endif %}
      </tr>
    </thead>
    <tbody>
      {% for d in devices %}
      <tr data-sort-hostname="{{ d['name']|lower }}" data-sort-ip="{{ d['rpi_ip']|lower }}" data-sort-mac="{{ d['mac']|lower }}" data-sort-switch="{{ (d['switch_hostname'] or '')|lower }}" data-sort-port="{{ (d['port'] or '')|lower }}">
        <td class="cell-name">{{ d['name'] }}</td>
        <td class="mono">{{ d['rpi_ip'] }}</td>
        <td class="mono">{{ d['mac'] }}</td>
        <td>{{ d['switch_hostname'] or '—' }}</td>
        <td>{{ d['port'] or '—' }}</td>
        {% if can_toggle %}
        <td>
          <label class="switch-check">
            <input type="checkbox" {% if d['is_active'] %}checked{% endif %} onchange="toggleDevice('{{ d['mac'] }}', this)">
            <span class="track"></span>
          </label>
        </td>
        {% endif %}
        {% if show_actions_col %}
        <td>
          <div class="row-actions">
            {% if can_edit %}
            <button class="icon-btn" title="Bearbeiten"
                    onclick="openEditDeviceModal('{{ d['mac'] }}','{{ d['name'] }}','{{ d['rpi_ip'] }}','{{ d['port'] or '' }}')">
              <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M12 20h9"/><path d="M16.5 3.5a2.1 2.1 0 013 3L7 19l-4 1 1-4z"/></svg>
            </button>
            <button class="icon-btn" title="Switch ändern"
                    onclick="openSwitchModal('{{ d['mac'] }}','{{ d['switch_hostname'] or '' }}')">
              <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="18" cy="5" r="2.5"/><circle cx="6" cy="12" r="2.5"/><circle cx="18" cy="19" r="2.5"/><path d="M8.2 10.7l7.6-4.4M8.2 13.3l7.6 4.4"/></svg>
            </button>
            {% endif %}
            {% if can_delete %}
            <form method="post" data-confirm="Willst du „{{ d['name'] }}“ wirklich löschen?">
              <input type="hidden" name="delete_device" value="{{ d['mac'] }}">
              <button type="submit" class="icon-btn" style="color:var(--danger);" title="Löschen">
                <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M3 6h18M8 6V4a2 2 0 012-2h4a2 2 0 012 2v2m3 0l-1 14a2 2 0 01-2 2H7a2 2 0 01-2-2L4 6"/></svg>
              </button>
            </form>
            {% endif %}
          </div>
        </td>
        {% endif %}
      </tr>
      {% else %}
      <tr class="empty-row"><td colspan="{{ col_count }}">Noch keine Geräte vorhanden.</td></tr>
      {% endfor %}
    </tbody>
  </table>
  </div>
</div>

{% if can_create %}
<!-- Modal: Neues Gerät -->
<div class="modal-overlay" id="deviceModal">
  <div class="modal">
    <form method="post" onsubmit="return validateDeviceForm(this);">
      <div class="modal-header">
        <h3>Neues Gerät hinzufügen</h3>
        <button type="button" class="modal-close" data-close-modal>&times;</button>
      </div>
      <div class="modal-body">
        <input type="hidden" name="add_device" value="1">
        <div class="field"><label>Hostname</label>
          <input type="text" name="name" required placeholder="z.B. Sensor01">
        </div>
        <div class="field"><label>IP-Adresse</label>
          <input type="text" name="rpi_ip" required placeholder="z.B. 192.168.1.100">
          <div class="invalid-feedback">Bitte eine gültige IP-Adresse eingeben.</div>
        </div>
        <div class="field"><label>MAC-Adresse</label>
          <input type="text" name="mac" required placeholder="z.B. AA:BB:CC:DD:EE:FF">
          <div class="invalid-feedback">Bitte eine gültige MAC-Adresse eingeben (xx:xx:xx:xx:xx:xx).</div>
        </div>
        <div class="field"><label>Port</label>
          <input type="text" name="port" placeholder="z.B. 3">
        </div>
        <div class="field"><label>Switch (optional)</label>
          <select name="switch_hostname">
            <option value="">Kein Switch</option>
            {% for sw in switches %}<option value="{{ sw['hostname'] }}">{{ sw['hostname'] }}</option>{% endfor %}
          </select>
        </div>
      </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-secondary" data-close-modal>Abbrechen</button>
        <button type="submit" class="btn btn-primary">Hinzufügen</button>
      </div>
    </form>
  </div>
</div>
{% endif %}

{% if can_edit %}
<!-- Modal: Bearbeiten -->
<div class="modal-overlay" id="editDeviceModal">
  <div class="modal">
    <form method="post" onsubmit="return validateDeviceForm(this);">
      <input type="hidden" name="edit_device" value="1">
      <input type="hidden" name="old_mac" id="edit_old_mac">
      <div class="modal-header">
        <h3>Gerät bearbeiten</h3>
        <button type="button" class="modal-close" data-close-modal>&times;</button>
      </div>
      <div class="modal-body">
        <div class="field"><label>Hostname</label>
          <input type="text" name="name" id="edit_name" required>
        </div>
        <div class="field"><label>IP-Adresse</label>
          <input type="text" name="rpi_ip" id="edit_ip" required>
          <div class="invalid-feedback">Bitte eine gültige IP-Adresse eingeben.</div>
        </div>
        <div class="field"><label>MAC-Adresse</label>
          <input type="text" name="mac" id="edit_mac" required>
          <div class="invalid-feedback">Bitte eine gültige MAC-Adresse eingeben (xx:xx:xx:xx:xx:xx).</div>
        </div>
        <div class="field"><label>Port</label>
          <input type="text" name="port" id="edit_port">
        </div>
      </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-secondary" data-close-modal>Abbrechen</button>
        <button type="submit" class="btn btn-primary">Speichern</button>
      </div>
    </form>
  </div>
</div>

<!-- Modal: Switch ändern -->
<div class="modal-overlay" id="switchModal">
  <div class="modal" style="max-width:380px;">
    <form method="post">
      <input type="hidden" name="edit_device" value="1">
      <input type="hidden" name="old_mac" id="switch_mac">
      <div class="modal-header">
        <h3>Switch ändern</h3>
        <button type="button" class="modal-close" data-close-modal>&times;</button>
      </div>
      <div class="modal-body">
        <div class="field">
          <label>Zugeordneter Switch</label>
          <select name="switch_hostname" id="switch_select">
            <option value="">Kein Switch</option>
            {% for sw in switches %}<option value="{{ sw['hostname'] }}">{{ sw['hostname'] }}</option>{% endfor %}
          </select>
        </div>
      </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-secondary" data-close-modal>Abbrechen</button>
        <button type="submit" class="btn btn-primary">Speichern</button>
      </div>
    </form>
  </div>
</div>
{% endif %}

{% endblock %}

{% block scripts %}
<script>
function resetDeviceForm() {
    document.querySelector("#deviceModal form").reset();
}
function openEditDeviceModal(mac, name, ip, port) {
    document.getElementById("edit_old_mac").value = mac;
    document.getElementById("edit_name").value = name;
    document.getElementById("edit_ip").value = ip;
    document.getElementById("edit_mac").value = mac;
    document.getElementById("edit_port").value = port;
    PoeUI.openModal("editDeviceModal");
}
function openSwitchModal(mac, switchHostname) {
    document.getElementById("switch_mac").value = mac;
    document.getElementById("switch_select").value = switchHostname;
    PoeUI.openModal("switchModal");
}

const ipPattern = /^(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}$/;
const macPattern = /^([0-9A-Fa-f]{2}:){5}[0-9A-Fa-f]{2}$/;

function validateIP(input) {
    const ok = ipPattern.test(input.value);
    input.classList.toggle("is-invalid", !ok);
    return ok;
}
function validateMAC(input) {
    const ok = macPattern.test(input.value);
    input.classList.toggle("is-invalid", !ok);
    return ok;
}
function validateDeviceForm(form) {
    const ipInput = form.querySelector("input[name='rpi_ip']");
    const macInput = form.querySelector("input[name='mac']");
    let valid = true;
    if (ipInput) valid = validateIP(ipInput) && valid;
    if (macInput) valid = validateMAC(macInput) && valid;
    return valid;
}
document.addEventListener("input", (e) => {
    if (e.target.name === "rpi_ip") validateIP(e.target);
    if (e.target.name === "mac") validateMAC(e.target);
});

function toggleDevice(mac, checkbox) {
    checkbox.disabled = true;
    fetch(`/devices/toggle/${mac}`, { method: "POST" })
        .then(r => r.json())
        .then(data => {
            checkbox.disabled = false;
            if (data.success) {
                checkbox.checked = data.new_status === 1;
                showToast(data.msg, "success");
            } else {
                checkbox.checked = !checkbox.checked;
                showToast(data.msg, "danger");
            }
        })
        .catch(() => { checkbox.disabled = false; checkbox.checked = !checkbox.checked; showToast("Fehler beim Umschalten.", "danger"); });
}

function filterTable(inputId, tableId) {
    const q = document.getElementById(inputId).value.trim().toLowerCase();
    document.querySelectorAll(`#${tableId} tbody tr`).forEach(row => {
        if (row.classList.contains("empty-row")) return;
        row.style.display = row.innerText.toLowerCase().includes(q) ? "" : "none";
    });
}
</script>
{% endblock %}