{% extends "base.html" %}
{% block content %}

<h2>Devices</h2>

{% if current_user.is_admin %}
<!-- Neues Gerät hinzufügen -->
<button class="btn btn-success mb-3" data-bs-toggle="modal" data-bs-target="#deviceModal" onclick="openDeviceModal()">Neues Gerät hinzufügen</button>
{% endif %}

<table class="table table-bordered">
    <thead>
        <tr>
            <th>Hostname</th>
            <th>IP-Adresse</th>
            <th>MAC-Adresse</th>
            <th>Port</th>
            <th>Switch</th>
            {% if current_user.is_admin %}<th>Status</th>{% endif %}
            {% if current_user.is_admin %}<th>Aktionen</th>{% endif %}
        </tr>
    </thead>
    <tbody>
        {% for d in devices %}
        <tr>
            <td>{{ d['name'] }}</td>
            <td>{{ d['rpi_ip'] }}</td>
            <td>{{ d['mac'] }}</td>
            <td>{{ d['port'] }}</td>
            <td>{{ d['switch_hostname'] or '-' }}</td>
            {% if current_user.is_admin %}
            <td>
                <button class="btn btn-sm {% if d['is_active'] %}btn-success{% else %}btn-secondary{% endif %}" 
                        onclick="toggleDevice('{{ d['mac'] }}', this)">
                    {% if d['is_active'] %}Deaktivieren{% else %}Aktivieren{% endif %}
                </button>
            </td>
            <td>
                <!-- Bearbeiten Modal -->
                <button class="btn btn-secondary btn-sm button login white" data-bs-toggle="modal" data-bs-target="#editDeviceModal"
                        onclick="openEditDeviceModal('{{ d['mac'] }}','{{ d['name'] }}','{{ d['rpi_ip'] }}','{{ d['port'] }}')">
                    Bearbeiten
                </button>

                <!-- Switch ändern Modal -->
                <button class="btn btn-secondary btn-sm button login white" data-bs-toggle="modal" data-bs-target="#switchModal"
                        onclick="openSwitchModal('{{ d['mac'] }}','{{ d['switch_hostname'] }}')">
                    Switch ändern
                </button>

                <!-- Löschen -->
                <form method="post" style="display:inline;">
                    <input type="hidden" name="delete_device" value="{{ d['mac'] }}">
                    <button class="btn btn-danger btn-sm" onclick="return confirm('Willst du das Gerät wirklich löschen?');">
                        Löschen
                    </button>
                </form>
            </td>
            {% endif %}
        </tr>
        {% endfor %}
    </tbody>
</table>

<!-- Modal: Neues Gerät -->
<div class="modal fade" id="deviceModal" tabindex="-1" aria-hidden="true">
  <div class="modal-dialog">
    <div class="modal-content">
      <form method="post" onsubmit="return validateDeviceForm(this);">
        <div class="modal-header">
          <h5 class="modal-title black">Neues Gerät hinzufügen</h5>
          <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
        </div>
        <div class="modal-body">
            <input type="hidden" name="add_device" value="1">
            <div class="mb-3">
                <label>Hostname</label>
                <input type="text" name="name" class="form-control" required placeholder="z.B. Sensor01">
            </div>
            <div class="mb-3">
                <label>IP-Adresse</label>
                <input type="text" name="rpi_ip" class="form-control" required placeholder="z.B. 192.168.1.100">
                <div class="invalid-feedback">Bitte eine gültige IP-Adresse eingeben (z. B. 192.168.1.100).</div>
            </div>
            <div class="mb-3">
                <label>MAC-Adresse</label>
                <input type="text" name="mac" class="form-control" 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="mb-3">
                <label>Port</label>
                <input type="text" name="port" class="form-control" required placeholder="z.B. 3">
            </div>
            <div class="mb-3">
                <label>Switch</label>
                <select name="switch_hostname" class="form-select" required>
                    {% for sw in switches %}
                        <option value="{{ sw['hostname'] }}">{{ sw['hostname'] }}</option>
                    {% endfor %}
                </select>
            </div>
        </div>
        <div class="modal-footer">
          <button class="btn btn-success button login" type="submit">Hinzufügen</button>
          <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Abbrechen</button>
        </div>
      </form>
    </div>
  </div>
</div>

<!-- Modal: Bearbeiten -->
<div class="modal fade" id="editDeviceModal" tabindex="-1" aria-hidden="true">
  <div class="modal-dialog">
    <div class="modal-content">
      <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">
          <h5 class="modal-title black">Gerät bearbeiten</h5>
          <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
        </div>
        <div class="modal-body">
            <div class="mb-3">
                <label>Hostname</label>
                <input type="text" name="name" id="edit_name" class="form-control" required placeholder="z.B. Sensor01">
            </div>
            <div class="mb-3">
                <label>IP-Adresse</label>
                <input type="text" name="rpi_ip" id="edit_ip" class="form-control" required placeholder="z.B. 192.168.1.100">
                <div class="invalid-feedback">Bitte eine gültige IP-Adresse eingeben (z. B. 192.168.1.100).</div>
            </div>
            <div class="mb-3">
                <label>MAC-Adresse</label>
                <input type="text" name="mac" id="edit_mac" class="form-control" 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="mb-3">
                <label>Port</label>
                <input type="text" name="port" id="edit_port" class="form-control" required placeholder="z.B. 3">
            </div>
        </div>
        <div class="modal-footer">
          <button class="btn btn-primary button login" type="submit">Speichern</button>
          <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Abbrechen</button>
        </div>
      </form>
    </div>
  </div>
</div>

<!-- Modal: Switch ändern -->
<div class="modal fade" id="switchModal" tabindex="-1" aria-hidden="true">
  <div class="modal-dialog">
    <div class="modal-content">
      <form method="post">
        <input type="hidden" name="edit_device" value="1">
        <input type="hidden" name="old_mac" id="switch_mac">
        <div class="modal-header">
          <h5 class="modal-title black">Switch ändern</h5>
          <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
        </div>
        <div class="modal-body">
            <select name="switch_hostname" id="switch_select" class="form-select" required>
                {% for sw in switches %}
                    <option value="{{ sw['hostname'] }}">{{ sw['hostname'] }}</option>
                {% endfor %}
            </select>
        </div>
        <div class="modal-footer">
          <button class="btn btn-primary button login" type="submit">Speichern</button>
          <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Abbrechen</button>
        </div>
      </form>
    </div>
  </div>
</div>

<script>
function openDeviceModal() {
    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;
}

function openSwitchModal(mac, switch_hostname) {
    document.getElementById("switch_mac").value = mac;
    document.getElementById("switch_select").value = switch_hostname;
}

// -------------------
// IP-Validierung
// -------------------
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}$/;

// -------------------
// MAC-Validierung
// -------------------
const macPattern = /^([0-9A-Fa-f]{2}:){5}[0-9A-Fa-f]{2}$/;

function validateIP(input) {
    if (!ipPattern.test(input.value)) {
        input.classList.add("is-invalid");
        return false;
    } else {
        input.classList.remove("is-invalid");
        return true;
    }
}

function validateMAC(input) {
    if (!macPattern.test(input.value)) {
        input.classList.add("is-invalid");
        return false;
    } else {
        input.classList.remove("is-invalid");
        return true;
    }
}

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;
}

// Live-Feedback beim Tippen
document.addEventListener("input", function(e) {
    if (e.target.name === "rpi_ip") validateIP(e.target);
    if (e.target.name === "mac") validateMAC(e.target);
});

// Aktivieren/Deaktivieren
function toggleDevice(mac, btn) {
    fetch(`/devices/toggle/${mac}`, { method: 'POST' })
        .then(resp => resp.json())
        .then(data => {
            if (data.success) {
                // Button aktualisieren
                if (data.new_status === 1) {
                    btn.classList.remove('btn-secondary');
                    btn.classList.add('btn-success');
                    btn.innerText = 'Deaktivieren';
                } else {
                    btn.classList.remove('btn-success');
                    btn.classList.add('btn-secondary');
                    btn.innerText = 'Aktivieren';
                }

                // Flash-Nachricht im Frontend aktualisieren
                let flashContainer = document.getElementById('flash-messages');
                if (!flashContainer) {
                    flashContainer = document.createElement('div');
                    flashContainer.id = 'flash-messages';
                    flashContainer.style.position = 'fixed';
                    flashContainer.style.top = '10px';
                    flashContainer.style.right = '10px';
                    flashContainer.style.zIndex = 1050;
                    document.body.appendChild(flashContainer);
                }

                const flash = document.createElement('div');
                flash.className = 'alert alert-success alert-dismissible fade show';
                flash.role = 'alert';
                flash.innerHTML = `
                    ${data.msg}
                    <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
                `;
                flashContainer.appendChild(flash);

                // Automatisch nach 3 Sekunden ausblenden
                setTimeout(() => {
                    flash.classList.remove('show');
                    flash.classList.add('hide');
                    flash.addEventListener('transitionend', () => flash.remove());
                }, 3000);
            } else {
                console.error(data.msg);
            }
        })
        .catch(err => console.error(err));
}
</script>

{% endblock %}