{% extends "base.html" %}
{% set active_page = "groups" %}
{% block page_title %}Gruppen{% endblock %}
{% block page_sub %}<div class="topbar-sub">{{ groups|length + 1 }} Gruppen · Rechteverwaltung</div>{% endblock %}

{% block content %}
{% import "_hint_icon.html" as hi %}

{% macro permission_table(group, group_key, checked_keys, readonly) %}
{% set row_types = group_row_types[group_key] %}
<div class="permission-group-col">
  <div style="overflow-x:auto;">
  <table class="permission-table">
    <thead>
      <tr>
        <th class="permission-group-header-cell">
          <label class="permission-group-toggle">
            <input type="checkbox" name="permissions" value="{{ group['view_key'] }}"
                   title="{{ permission_labels.get(group['view_key'], group['label']) }}"
                   {% if group['view_key'] in checked_keys %}checked{% endif %}
                   {% if readonly %}disabled{% endif %}
                   class="permission-area-toggle-cb">
            <span class="permission-group-name">{{ group['label'] }}</span>
          </label>
        </th>
        {% for row_key, row_letter, row_label in row_types %}
        <th title="{{ row_label }}">{{ row_letter }}</th>
        {% endfor %}
      </tr>
    </thead>
    <tbody>
      {% for child_key, child in group['children'].items() %}
      <tr>
        <td class="permission-row-label">{{ child['label'] }}</td>
        {% for row_key, row_letter, row_label in row_types %}
        {% set perm_key = child['rows'].get(row_key) %}
        <td>
          {% if perm_key %}
          <input type="checkbox" name="permissions" value="{{ perm_key }}"
                 title="{{ permission_labels.get(perm_key, perm_key) }}"
                 {% if perm_key in checked_keys %}checked{% endif %}
                 {% if readonly %}disabled{% endif %}
                 class="permission-child-cb">
          {% else %}
          <input type="checkbox" disabled class="permission-cb-na" tabindex="-1">
          {% endif %}
        </td>
        {% endfor %}
      </tr>
      {% endfor %}
    </tbody>
  </table>
  </div>
</div>
{% endmacro %}

{% macro permission_tree(checked_keys, readonly, compact=false) %}
<div class="permission-groups-row{{ ' permission-groups-row--compact' if compact }}">
  {% for group_key, group in permission_catalog.items() %}
    {{ permission_table(group, group_key, checked_keys, readonly) }}
  {% endfor %}
</div>
<div class="permission-legend">
  <strong>R</strong> = Read (Lesen) · <strong>W</strong> = Write (Anlegen) ·
  <strong>E</strong> = Edit (Ändern, inkl. Löschen — bei Im-/Export: Import ausführen) ·
  <strong>X</strong> = Export (nur bei Im-/Export — Export-Datei enthält Passwörter im Klartext)
</div>
{% endmacro %}

<div class="section-head">
  <div>
    <h2 style="font-size:16px;">Gruppen {{ hi.hint_icon("Rechte je Gruppe granular vergeben, Mitgliedschaft in mehreren Gruppen addiert sich. „Admin“ und „Benutzer“ sind feste Systemgruppen. Legende direkt bei den Rechten.", "Gruppen") }}</h2>
  </div>
  {% if current_user.has_permission('groups.create') %}
  <button type="button" class="btn btn-primary" data-open-modal="addGroupModal">
    <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round"><path d="M12 5v14M5 12h14"/></svg>
    Neue Gruppe
  </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="groupSearch" placeholder="Gruppen durchsuchen…" oninput="filterGroupsTable()">
    </div>
  </div>
  <div style="overflow-x:auto;">
  <table class="data-table" id="groupsTable" data-sortable>
    <thead><tr>
      <th data-sort-key="name">Gruppe</th>
      <th data-sort-key="members">Mitglieder</th>
      <th style="width:1%;">Aktionen</th>
    </tr></thead>

    <tbody data-sort-pinned>
      <tr>
        <td class="cell-name">Admin <span class="pill admin">Systemrolle</span></td>
        <td class="text-dim">{{ admin_virtual_group.member_names|length }}</td>
        <td>
          <div class="row-actions">
            <button class="icon-btn" title="Rechte anzeigen" data-open-modal="adminGroupModal">
              <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z"/><circle cx="12" cy="12" r="3"/></svg>
            </button>
            <button class="icon-btn" title="Mitglieder verwalten" data-open-modal="adminMembersModal">
              <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="9" cy="8" r="3.2"/><path d="M2.5 20c0-3.6 2.9-6 6.5-6s6.5 2.4 6.5 6"/><circle cx="17.5" cy="8.5" r="2.4"/><path d="M15.8 14.2c2.7.3 4.7 2.4 4.7 5.3"/></svg>
            </button>
          </div>
        </td>
      </tr>
    </tbody>

    {% for g in groups %}
    {% set can_edit_this = current_user.has_permission('groups.edit') and not g.is_system %}
    {% set can_unlock_system = g.is_system and current_user.is_admin %}
    <tbody data-sort-name="{{ g.name|lower }}" data-sort-members="{{ g.member_names|length }}">
      <tr>
        <td class="cell-name">
          {{ g.name }}
          {% if g.is_system %}<span class="pill user" style="white-space:nowrap;">Standard</span>{% endif %}
        </td>
        <td class="text-dim">{{ g.member_names|length }}</td>
        <td>
          <div class="row-actions">
            <button class="icon-btn" title="{{ 'Bearbeiten' if (can_edit_this or can_unlock_system) else 'Anzeigen' }}" data-open-modal="editGroupModal{{ loop.index }}">
              {% if can_edit_this or can_unlock_system %}
              <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M11 4H4a2 2 0 00-2 2v14a2 2 0 002 2h14a2 2 0 002-2v-7"/><path d="M18.5 2.5a2.121 2.121 0 013 3L12 15l-4 1 1-4 9.5-9.5z"/></svg>
              {% else %}
              <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z"/><circle cx="12" cy="12" r="3"/></svg>
              {% endif %}
            </button>
            <button class="icon-btn" title="Mitglieder verwalten" data-open-modal="membersModal{{ loop.index }}">
              <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="9" cy="8" r="3.2"/><path d="M2.5 20c0-3.6 2.9-6 6.5-6s6.5 2.4 6.5 6"/><circle cx="17.5" cy="8.5" r="2.4"/><path d="M15.8 14.2c2.7.3 4.7 2.4 4.7 5.3"/></svg>
            </button>
            {% if current_user.has_permission('groups.edit') and not g.is_default and not g.is_system %}
            <form method="post" data-confirm="Gruppe „{{ g.name }}“ wirklich endgültig löschen? Mitglieder verlieren die zugehörigen Rechte, das kann nicht rückgängig gemacht werden.">
              <input type="hidden" name="delete_group" value="{{ g.id }}">
              <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>
      </tr>
    </tbody>
    {% else %}
    <tbody data-sort-pinned>
      <tr class="empty-row"><td colspan="3">Noch keine weiteren Gruppen angelegt.</td></tr>
    </tbody>
    {% endfor %}
  </table>
  </div>
</div>

<div class="modal-overlay" id="adminGroupModal">
  <div class="modal" style="max-width:1000px;">
    <div class="modal-header">
      <h3>Admin — Rechte</h3>
      <button type="button" class="modal-close" data-close-modal>&times;</button>
    </div>
    <div class="modal-body">
      {{ permission_tree(admin_virtual_group.permissions, true, true) }}
      <p class="text-faint" style="font-size:11.5px; margin:12px 0 0;">Admins dürfen immer alles — diese Rechte sind fest und nicht änderbar.</p>
    </div>
  </div>
</div>

<div class="modal-overlay" id="adminMembersModal">
  <div class="modal" style="max-width:380px;">
    <form method="post">
      <input type="hidden" name="assign_admins" value="1">
      <div class="modal-header">
        <h3>Admin-Mitglieder</h3>
        <button type="button" class="modal-close" data-close-modal>&times;</button>
      </div>
      <div class="modal-body">
        <p class="text-faint" style="font-size:11.5px; margin:0 0 12px;">Mindestens ein Admin muss bestehen bleiben.</p>
        <div class="check-list" style="max-height:320px; overflow-y:auto; padding-right:4px;">
          {% for u in all_users_all %}
          <label class="check-row">
            <input type="checkbox" name="members" value="{{ u['id'] }}" {% if u['is_admin'] %}checked{% endif %}>
            {{ u['username'] }}
          </label>
          {% endfor %}
        </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>

{% for g in groups %}
{% set can_edit_this = current_user.has_permission('groups.edit') and not g.is_system %}
{% set can_unlock_system = g.is_system and current_user.is_admin %}
<div class="modal-overlay" id="membersModal{{ loop.index }}">
  <div class="modal" style="max-width:380px;">
    <form method="post">
      <input type="hidden" name="save_group" value="1">
      <input type="hidden" name="members_submitted" value="1">
      <input type="hidden" name="group_id" value="{{ g.id }}">
      <input type="hidden" name="name" value="{{ g.name }}">
      <div class="modal-header">
        <h3>Mitglieder — {{ g.name }}</h3>
        <button type="button" class="modal-close" data-close-modal>&times;</button>
      </div>
      <div class="modal-body">
        <div class="check-list" style="max-height:320px; overflow-y:auto; padding-right:4px;">
          {% for u in all_users %}
          <label class="check-row">
            <input type="checkbox" name="members" value="{{ u['id'] }}" {% if u['id'] in g.members %}checked{% endif %}>
            {{ u['username'] }}
          </label>
          {% else %}
          <p class="text-faint" style="font-size:12px;">Keine Nicht-Admin-Benutzer vorhanden.</p>
          {% endfor %}
        </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>

<div class="modal-overlay" id="editGroupModal{{ loop.index }}">
  <div class="modal" style="max-width:1000px;">
    {% if can_edit_this %}
    <form method="post">
      <input type="hidden" name="save_group" value="1">
      <input type="hidden" name="permissions_submitted" value="1">
      <input type="hidden" name="group_id" value="{{ g.id }}">
      <div class="modal-header">
        <h3>Gruppe bearbeiten</h3>
        <button type="button" class="modal-close" data-close-modal>&times;</button>
      </div>
      <div class="modal-body">
        <div class="field">
          <label>Name</label>
          <input type="text" name="name" value="{{ g.name }}" required>
        </div>
        {{ permission_tree(g.permissions, false, true) }}
      </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-secondary" data-close-modal>Abbrechen</button>
        <button type="submit" class="btn btn-primary">
          <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M20 6L9 17l-5-5"/></svg>
          Speichern
        </button>
      </div>
    </form>
    {% elif can_unlock_system %}
    <div class="modal-header">
      <h3>Gruppe „{{ g.name }}“</h3>
      <button type="button" class="modal-close" data-close-modal>&times;</button>
    </div>
    <div class="modal-body">
      <div class="field"><label>Name</label><input type="text" value="{{ g.name }}" disabled></div>
      <div id="readonly-{{ g.id }}">
        {{ permission_tree(g.permissions, true, true) }}
        <div class="flex" style="justify-content:space-between; align-items:center; margin-top:12px; flex-wrap:wrap;">
          <p class="text-faint" style="font-size:11.5px; margin:0;">Die Standardgruppe „Benutzer“ ist eine Systemgruppe — ihre Rechte sind normalerweise fest.</p>
          <button type="button" class="btn btn-secondary btn-sm" onclick="unlockSystemGroup({{ g.id }})">Freischalten</button>
        </div>
      </div>
      <form method="post" class="hidden" id="unlock-{{ g.id }}">
        <input type="hidden" name="save_group" value="1">
        <input type="hidden" name="permissions_submitted" value="1">
        <input type="hidden" name="unlock_system_group" value="1">
        <input type="hidden" name="group_id" value="{{ g.id }}">
        <input type="hidden" name="name" value="{{ g.name }}">
        {{ permission_tree(g.permissions, false, true) }}
        <p class="text-faint" style="font-size:11.5px; margin:12px 0;">
          ⚠ Diese Gruppe ist die Standardgruppe für neue Benutzer (auch neu angelegte AD/LDAP-Konten). Zu restriktive
          Rechte hier können den Erst-Login neuer Konten einschränken.
        </p>
        <div class="flex" style="justify-content:flex-end;">
          <button type="submit" class="btn btn-primary btn-sm">
            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M20 6L9 17l-5-5"/></svg>
            Rechte speichern
          </button>
        </div>
      </form>
    </div>
    {% else %}
    <div class="modal-header">
      <h3>Gruppe „{{ g.name }}“</h3>
      <button type="button" class="modal-close" data-close-modal>&times;</button>
    </div>
    <div class="modal-body">
      {{ permission_tree(g.permissions, true, true) }}
      {% if g.is_system %}
      <p class="text-faint" style="font-size:11.5px; margin:12px 0 0;">Die Standardgruppe „Benutzer“ ist eine Systemgruppe — ihre Rechte sind fest und nicht änderbar.</p>
      {% endif %}
    </div>
    {% endif %}
  </div>
</div>
{% endfor %}

<div class="modal-overlay" id="addGroupModal">
  <div class="modal" style="max-width:1000px;">
    <form method="post">
      <div class="modal-header">
        <h3>Neue Gruppe</h3>
        <button type="button" class="modal-close" data-close-modal>&times;</button>
      </div>
      <div class="modal-body">
        <input type="hidden" name="add_group" value="1">
        <div class="field">
          <label>Name {{ hi.hint_icon("Mitglieder werden danach über die Gruppentabelle zugeordnet.", "Name") }}</label>
          <input type="text" name="name" required placeholder="z.B. Facility-Team">
        </div>
        {{ permission_tree([], false) }}
      </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-secondary" data-close-modal>Abbrechen</button>
        <button type="submit" class="btn btn-primary">Anlegen</button>
      </div>
    </form>
  </div>
</div>

{% endblock %}

{% block scripts %}
<script>
function filterGroupsTable() {
    const q = document.getElementById("groupSearch").value.trim().toLowerCase();
    document.querySelectorAll("#groupsTable tbody").forEach(tbody => {
        if (tbody.hasAttribute("data-sort-pinned")) return;
        tbody.style.display = tbody.innerText.toLowerCase().includes(q) ? "" : "none";
    });
}

function unlockSystemGroup(id) {
    window.confirmAction(
        "Rechte der Standardgruppe „Benutzer“ wirklich bearbeiten? Diese Gruppe ist der Login-Fallback für neue Benutzer (auch neue AD/LDAP-Konten) — zu restriktive Rechte können deren Erst-Login einschränken.",
        () => {
            document.getElementById("readonly-" + id).classList.add("hidden");
            document.getElementById("unlock-" + id).classList.remove("hidden");
        },
        "Standardgruppe freischalten?"
    );
}

function applyPermissionGating() {
    document.querySelectorAll(".permission-group-col").forEach(function (area) {
        const toggle = area.querySelector(".permission-area-toggle-cb");
        if (!toggle || toggle.disabled) return;
        const tbody = area.querySelector("tbody");
        const children = area.querySelectorAll(".permission-child-cb");
        const sync = function () {
            children.forEach(function (cb) {
                cb.disabled = !toggle.checked;
                if (!toggle.checked) cb.checked = false;
            });
            if (tbody) tbody.classList.toggle("permission-locked", !toggle.checked);
        };
        toggle.addEventListener("change", sync);
        sync();
    });
}

function applyRowViewPrerequisite() {
    document.querySelectorAll(".permission-table tbody tr").forEach(function (tr) {
        const boxes = Array.from(tr.querySelectorAll(".permission-child-cb"));
        if (boxes.length < 2) return;
        const viewBox = boxes[0];
        const restBoxes = boxes.slice(1);
        restBoxes.forEach(function (cb) {
            cb.addEventListener("change", function () {
                if (cb.checked && !viewBox.checked && !viewBox.disabled) {
                    viewBox.checked = true;
                }
            });
        });
        viewBox.addEventListener("change", function () {
            if (!viewBox.checked) {
                restBoxes.forEach(function (cb) { cb.checked = false; });
            }
        });
    });
}
document.addEventListener("DOMContentLoaded", applyPermissionGating);
document.addEventListener("DOMContentLoaded", applyRowViewPrerequisite);
</script>
{% endblock %}