feat(integrations): add role-based security and 1-click Outlook connect for colleagues

auth/callback_microsoft.php

@@ -72,18 +72,15 @@ if (empty($code)) {
     exit;
 }
 
-// 4. Instellingen ophalen
+// 4. Centrale instellingen ophalen
-$stmt = $db->prepare("SELECT settings FROM integrations WHERE user_id = ? AND provider = 'OUTLOOK'");
+$appConfig = microsoft_get_app_config();
-$stmt->execute([$user['id']]);
-$row = $stmt->fetch();
-$savedSettings = json_decode($row['settings'] ?? '{}', true) ?: [];
 
-$clientId     = !empty($savedSettings['client_id']) ? $savedSettings['client_id'] : fociz_env('MICROSOFT_CLIENT_ID', '');
+$clientId     = $appConfig['client_id'];
-$clientSecret = !empty($savedSettings['client_secret']) ? $savedSettings['client_secret'] : fociz_env('MICROSOFT_CLIENT_SECRET', '');
+$clientSecret = $appConfig['client_secret'];
-$tenantId     = !empty($savedSettings['tenant_id']) ? $savedSettings['tenant_id'] : fociz_env('MICROSOFT_TENANT_ID', 'common');
+$tenantId     = $appConfig['tenant_id'];
 
 if (empty($clientId) || empty($clientSecret)) {
-    header('Location: /integrations.php?error=' . urlencode('Client ID of Client Secret ontbreekt in Fociz. Vul deze eerst in bij de Outlook instellingen.'));
+    header('Location: /integrations.php?error=' . urlencode('Microsoft 365 configuratie (Client ID of Secret) ontbreekt in Fociz. Neem contact op met de beheerder.'));
     exit;
 }
 
@@ -108,15 +105,24 @@ $accountEmail = $profile['mail'] ?? ($profile['userPrincipalName'] ?? $user['ema
 $accountName  = $profile['displayName'] ?? 'Microsoft 365 Account';
 
 // 7. Opslaan in MariaDB
-$newSettings = array_merge($savedSettings, [
+$stmtExisting = $db->prepare("SELECT settings FROM integrations WHERE user_id = ? AND provider = 'OUTLOOK'");
-    'client_id'     => $clientId,
+$stmtExisting->execute([$user['id']]);
-    'client_secret' => $clientSecret,
+$existingRow = $stmtExisting->fetch();
-    'tenant_id'     => $tenantId,
+$existingSettings = json_decode($existingRow['settings'] ?? '{}', true) ?: [];
+
+$newSettings = array_merge($existingSettings, [
     'expires_at'    => $expiresAt,
     'account_email' => $accountEmail,
     'account_name'  => $accountName,
 ]);
 
+// Als de ingelogde gebruiker Beheerder (ADMIN) is, bewaren we ook de centrale app credentials
+if ($user['role'] === 'ADMIN') {
+    $newSettings['client_id']     = $clientId;
+    $newSettings['client_secret'] = $clientSecret;
+    $newSettings['tenant_id']     = $tenantId;
+}
+
 $saveStmt = $db->prepare("
     INSERT INTO integrations (user_id, provider, is_enabled, is_demo_mode, access_token, refresh_token, settings, last_sync_at)
     VALUES (?, 'OUTLOOK', 1, 0, ?, ?, ?, NOW())

auth/oauth_microsoft.php

@@ -9,22 +9,17 @@ require_once __DIR__ . '/../includes/integrations/microsoft.php';
 $user = require_auth();
 $db = get_db_connection();
 
-// Haal eventueel opgeslagen client_id en tenant_id op uit database
+// Haal centrale Microsoft app configuratie op (env of admin instellingen)
-$stmt = $db->prepare("SELECT settings FROM integrations WHERE user_id = ? AND provider = 'OUTLOOK'");
+$appConfig = microsoft_get_app_config();
-$stmt->execute([$user['id']]);
-$row = $stmt->fetch();
-$savedSettings = json_decode($row['settings'] ?? '{}', true) ?: [];
 
-$clientId = !empty($_GET['client_id']) 
+$clientId = !empty($_GET['client_id']) ? trim($_GET['client_id']) : $appConfig['client_id'];
-    ? trim($_GET['client_id']) 
+$tenantId = !empty($_GET['tenant_id']) ? trim($_GET['tenant_id']) : $appConfig['tenant_id'];
-    : (!empty($savedSettings['client_id']) ? $savedSettings['client_id'] : fociz_env('MICROSOFT_CLIENT_ID', ''));
-
-$tenantId = !empty($_GET['tenant_id']) 
-    ? trim($_GET['tenant_id']) 
-    : (!empty($savedSettings['tenant_id']) ? $savedSettings['tenant_id'] : fociz_env('MICROSOFT_TENANT_ID', 'common'));
 
 if (empty($clientId)) {
-    header('Location: /integrations.php?error=' . urlencode('Vul eerst de Application (Client) ID en het Client Secret in bij de Outlook instellingen om te koppelen met Microsoft 365.'));
+    $err = ($user['role'] === 'ADMIN')
+        ? 'Vul eerst de Application (Client) ID en het Client Secret in bij de Outlook instellingen om te koppelen met Microsoft 365.'
+        : 'Microsoft 365 is nog niet geconfigureerd door de beheerder van uw organisatie. Vraag uw beheerder om de koppeling in te stellen.';
+    header('Location: /integrations.php?error=' . urlencode($err));
     exit;
 }
 

includes/integrations/microsoft.php

@@ -12,6 +12,90 @@ const MS_OAUTH_TOKEN_URL     = 'https://login.microsoftonline.com/%s/oauth2/v2.0
 const MS_GRAPH_BASE_URL      = 'https://graph.microsoft.com/v1.0';
 const MS_DEFAULT_SCOPES      = 'offline_access User.Read Calendars.ReadWrite';
 
+/**
+ * Haalt de centrale Microsoft App Registratie configuratie op (Client ID, Secret, Tenant ID)
+ * Prioriteit:
+ * 1. Environment variabelen (.env of server env)
+ * 2. Opgeslagen configuratie van een Beheerder (ADMIN) in de integrations tabel
+ * 3. Fallback naar integrations tabel waar settings client_id bevat
+ */
+function microsoft_get_app_config(): array {
+    $clientId     = fociz_env('MICROSOFT_CLIENT_ID', '');
+    $clientSecret = fociz_env('MICROSOFT_CLIENT_SECRET', '');
+    $tenantId     = fociz_env('MICROSOFT_TENANT_ID', '');
+
+    if (empty($clientId) || empty($clientSecret)) {
+        try {
+            $db = get_db_connection();
+            // Zoek bij actieve beheerder(s) in de integrations tabel
+            $stmt = $db->query("
+                SELECT i.settings 
+                FROM integrations i
+                JOIN users u ON i.user_id = u.id
+                WHERE u.role = 'ADMIN' AND i.provider = 'OUTLOOK' AND i.settings IS NOT NULL
+                ORDER BY i.updated_at DESC
+                LIMIT 5
+            ");
+            $rows = $stmt->fetchAll();
+            foreach ($rows as $row) {
+                if (!empty($row['settings'])) {
+                    $saved = json_decode($row['settings'], true) ?: [];
+                    if (empty($clientId) && !empty($saved['client_id'])) {
+                        $clientId = trim($saved['client_id']);
+                    }
+                    if (empty($clientSecret) && !empty($saved['client_secret'])) {
+                        $clientSecret = trim($saved['client_secret']);
+                    }
+                    if (empty($tenantId) && !empty($saved['tenant_id'])) {
+                        $tenantId = trim($saved['tenant_id']);
+                    }
+                    if (!empty($clientId) && !empty($clientSecret)) {
+                        break;
+                    }
+                }
+            }
+
+            // Fallback: zoek een willekeurige OUTLOOK rij met ingevulde client_id
+            if (empty($clientId) || empty($clientSecret)) {
+                $stmtFallback = $db->query("
+                    SELECT settings 
+                    FROM integrations 
+                    WHERE provider = 'OUTLOOK' AND settings LIKE '%client_id%'
+                    ORDER BY updated_at DESC 
+                    LIMIT 3
+                ");
+                $fallbackRows = $stmtFallback->fetchAll();
+                foreach ($fallbackRows as $fbRow) {
+                    if (!empty($fbRow['settings'])) {
+                        $saved = json_decode($fbRow['settings'], true) ?: [];
+                        if (empty($clientId) && !empty($saved['client_id'])) {
+                            $clientId = trim($saved['client_id']);
+                        }
+                        if (empty($clientSecret) && !empty($saved['client_secret'])) {
+                            $clientSecret = trim($saved['client_secret']);
+                        }
+                        if (empty($tenantId) && !empty($saved['tenant_id'])) {
+                            $tenantId = trim($saved['tenant_id']);
+                        }
+                        if (!empty($clientId) && !empty($clientSecret)) {
+                            break;
+                        }
+                    }
+                }
+            }
+        } catch (Throwable $e) {
+            error_log("microsoft_get_app_config error: " . $e->getMessage());
+        }
+    }
+
+    return [
+        'client_id'     => $clientId ?: '',
+        'client_secret' => $clientSecret ?: '',
+        'tenant_id'     => !empty($tenantId) ? $tenantId : 'common',
+        'is_configured' => !empty($clientId) && !empty($clientSecret),
+    ];
+}
+
 /**
  * Genereert de Microsoft OAuth2 login URL
  */
@@ -117,9 +201,10 @@ function microsoft_get_valid_token(int $userId): ?string {
 
     // Token is verlopen of verloopt bijna; refresh met refresh_token
     $refreshToken = $integration['refresh_token'] ?? '';
-    $clientId = $settings['client_id'] ?? fociz_env('MICROSOFT_CLIENT_ID', '');
+    $appConfig = microsoft_get_app_config();
-    $clientSecret = $settings['client_secret'] ?? fociz_env('MICROSOFT_CLIENT_SECRET', '');
+    $clientId     = !empty($settings['client_id']) ? $settings['client_id'] : $appConfig['client_id'];
-    $tenantId = $settings['tenant_id'] ?? fociz_env('MICROSOFT_TENANT_ID', 'common');
+    $clientSecret = !empty($settings['client_secret']) ? $settings['client_secret'] : $appConfig['client_secret'];
+    $tenantId     = !empty($settings['tenant_id']) ? $settings['tenant_id'] : $appConfig['tenant_id'];
 
     if (empty($refreshToken) || empty($clientId) || empty($clientSecret)) {
         return null;
@@ -251,10 +336,33 @@ function microsoft_fetch_today_events(int $userId, ?string $date = null): array
 
 /**
  * Ontkoppelt Microsoft integratie voor een gebruiker
+ * Wist uitsluitend de persoonlijke tokens; behoudt de centrale Azure App gegevens indien aanwezig.
  */
 function microsoft_disconnect(int $userId): bool {
     $db = get_db_connection();
-    $stmt = $db->prepare("DELETE FROM integrations WHERE user_id = ? AND provider = 'OUTLOOK'");
+    $stmt = $db->prepare("SELECT * FROM integrations WHERE user_id = ? AND provider = 'OUTLOOK'");
-    return $stmt->execute([$userId]);
+    $stmt->execute([$userId]);
+    $integration = $stmt->fetch();
+
+    if (!$integration) {
+        return true;
+    }
+
+    $settings = json_decode($integration['settings'] ?? '{}', true) ?: [];
+    // Verwijder gebruikers-specifieke token gegevens
+    unset($settings['account_email'], $settings['account_name'], $settings['expires_at']);
+
+    // Als er centrale app credentials in staan (bijv. van beheerder), behouden we deze netjes
+    if (!empty($settings['client_id']) || !empty($settings['client_secret'])) {
+        $updateStmt = $db->prepare("
+            UPDATE integrations 
+            SET access_token = NULL, refresh_token = NULL, settings = ?, last_sync_at = NULL, is_enabled = 1, is_demo_mode = 0
+            WHERE id = ?
+        ");
+        return $updateStmt->execute([json_encode($settings), $integration['id']]);
+    } else {
+        $delStmt = $db->prepare("DELETE FROM integrations WHERE id = ?");
+        return $delStmt->execute([$integration['id']]);
+    }
 }
 

integrations.php

@@ -43,19 +43,24 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
 
     // 2. Outlook Opslaan of Koppelen
     elseif ($provider === 'OUTLOOK') {
+        $isAdmin = ($user['role'] === 'ADMIN');
+        $appConfig = microsoft_get_app_config();
+
+        // A. Koppelen via OAuth (zowel voor Collega als Beheerder)
+        if ($action === 'connect_oauth') {
+            // Als de beheerder vanaf het admin-formulier koppelt en eventueel gewijzigde velden meestuurt
+            if ($isAdmin && isset($_POST['client_id'])) {
                 $clientId     = trim($_POST['client_id'] ?? '');
                 $clientSecret = trim($_POST['client_secret'] ?? '');
                 $tenantId     = trim($_POST['tenant_id'] ?? 'common');
                 if (empty($tenantId)) $tenantId = 'common';
                 $isDemo = isset($_POST['is_demo_mode']) ? 1 : 0;
 
-        // Haal bestaande tokens op
                 $stmtExisting = $db->prepare("SELECT * FROM integrations WHERE user_id = ? AND provider = 'OUTLOOK'");
                 $stmtExisting->execute([$userId]);
                 $existing = $stmtExisting->fetch();
                 $existingSettings = json_decode($existing['settings'] ?? '{}', true) ?: [];
 
-        // Als geheim veld leeg is gelaten of bullet tekens bevat, behoud het bestaande geheim
                 if (($clientSecret === '' || $clientSecret === '••••••••••••••••') && !empty($existingSettings['client_secret']) && $existingSettings['client_secret'] !== '••••••••••••••••') {
                     $clientSecret = $existingSettings['client_secret'];
                 }
@@ -76,8 +81,6 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
                 ");
                 $stmt->execute([$userId, $isDemo, json_encode($newSettings)]);
 
-        // Als gebruiker direct op 'Koppel nu' klikte
-        if ($action === 'connect_oauth') {
                 if (empty($clientId)) {
                     $message = "Vul eerst de Application (Client) ID in van uw Azure App Registratie.";
                     $messageType = 'error';
@@ -85,14 +88,63 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
                     $message = "Vul eerst het Client Secret in van uw Azure App Registratie.";
                     $messageType = 'error';
                 } else {
-                header("Location: /auth/oauth_microsoft.php?client_id=" . urlencode($clientId) . "&tenant_id=" . urlencode($tenantId));
+                    header("Location: /auth/oauth_microsoft.php");
                     exit;
                 }
             } else {
-            $message = "Instellingen voor Microsoft Outlook zijn succesvol opgeslagen.";
+                // Collega of Beheerder zonder inline velden
+                if (!$appConfig['is_configured']) {
+                    $message = "Microsoft 365 is nog niet geconfigureerd door de beheerder. Vraag een beheerder om de Application ID en Client Secret in te stellen.";
+                    $messageType = 'error';
+                } else {
+                    header("Location: /auth/oauth_microsoft.php");
+                    exit;
+                }
+            }
+        }
+
+        // B. Alleen Beheerders mogen de centrale Azure instellingen opslaan
+        elseif ($action === 'save') {
+            if (!$isAdmin) {
+                $message = "Alleen beheerders kunnen centrale integratie-instellingen wijzigen.";
+                $messageType = 'error';
+            } else {
+                $clientId     = trim($_POST['client_id'] ?? '');
+                $clientSecret = trim($_POST['client_secret'] ?? '');
+                $tenantId     = trim($_POST['tenant_id'] ?? 'common');
+                if (empty($tenantId)) $tenantId = 'common';
+                $isDemo = isset($_POST['is_demo_mode']) ? 1 : 0;
+
+                $stmtExisting = $db->prepare("SELECT * FROM integrations WHERE user_id = ? AND provider = 'OUTLOOK'");
+                $stmtExisting->execute([$userId]);
+                $existing = $stmtExisting->fetch();
+                $existingSettings = json_decode($existing['settings'] ?? '{}', true) ?: [];
+
+                if (($clientSecret === '' || $clientSecret === '••••••••••••••••') && !empty($existingSettings['client_secret']) && $existingSettings['client_secret'] !== '••••••••••••••••') {
+                    $clientSecret = $existingSettings['client_secret'];
+                }
+
+                $newSettings = array_merge($existingSettings, [
+                    'client_id'     => $clientId,
+                    'client_secret' => $clientSecret,
+                    'tenant_id'     => $tenantId,
+                ]);
+
+                $stmt = $db->prepare("
+                    INSERT INTO integrations (user_id, provider, is_enabled, is_demo_mode, settings, last_sync_at)
+                    VALUES (?, 'OUTLOOK', 1, ?, ?, NOW())
+                    ON DUPLICATE KEY UPDATE 
+                        is_demo_mode = VALUES(is_demo_mode), 
+                        settings = VALUES(settings), 
+                        last_sync_at = NOW()
+                ");
+                $stmt->execute([$userId, $isDemo, json_encode($newSettings)]);
+
+                $message = "Centrale instellingen voor Microsoft Outlook zijn succesvol opgeslagen.";
                 $messageType = 'success';
             }
         }
+    }
 
     // 3. Teams Opslaan
     elseif ($provider === 'TEAMS') {
@@ -193,6 +245,22 @@ $jiraIsDemo = !empty($jiraData['is_demo']);
 
 // Callback redirect URI
 $redirectUri = rtrim(APP_URL, '/') . '/auth/callback_microsoft.php';
+
+$appConfig = microsoft_get_app_config();
+$isAdmin = ($user['role'] === 'ADMIN');
+
+// Voor beheerders tonen we eventueel centraal opgeslagen waarden als fallback in de inputvelden
+if ($isAdmin) {
+    if (empty($outlookSettings['client_id']) && !empty($appConfig['client_id'])) {
+        $outlookSettings['client_id'] = $appConfig['client_id'];
+    }
+    if (empty($outlookSettings['client_secret']) && !empty($appConfig['client_secret'])) {
+        $outlookSettings['client_secret'] = $appConfig['client_secret'];
+    }
+    if (empty($outlookSettings['tenant_id']) && !empty($appConfig['tenant_id'])) {
+        $outlookSettings['tenant_id'] = $appConfig['tenant_id'];
+    }
+}
 ?>
 
 <div class="space-y-6">
@@ -208,12 +276,17 @@ $redirectUri = rtrim(APP_URL, '/') . '/auth/callback_microsoft.php';
                     Integraties Hub
                 </h1>
                 <p class="text-slate-400 text-xs sm:text-sm mt-1 max-w-2xl">
-                    Koppel Microsoft 365 Outlook (voor realtime agenda & Teams meetings) en Atlassian Jira Cloud (om direct uw toegewezen tickets in te plannen).
+                    <?= $isAdmin 
+                        ? 'Beheer centrale organisatie-integraties en koppel uw persoonlijke Outlook agenda en Jira tickets.' 
+                        : 'Koppel uw persoonlijke Microsoft 365 Outlook agenda en Atlassian Jira tickets om direct uw dagplanning in Fociz te vullen.' ?>
                 </p>
             </div>
 
             <!-- Snelle status pills -->
             <div class="flex items-center space-x-2">
+                <span class="px-2.5 py-1 rounded-xl text-xs font-semibold <?= $isAdmin ? 'bg-emerald-500/10 border border-emerald-500/30 text-emerald-400' : 'bg-slate-800/80 border border-slate-700 text-slate-300' ?>">
+                    <?= $isAdmin ? 'Beheerdersweergave' : 'Collega Weergave' ?>
+                </span>
                 <div class="flex items-center space-x-1.5 px-3 py-1.5 rounded-xl border text-xs font-semibold <?= $isOutlookConnected ? 'bg-emerald-500/10 border-emerald-500/30 text-emerald-400' : 'bg-slate-800/80 border-slate-700 text-slate-400' ?>">
                     <span class="w-2 h-2 rounded-full <?= $isOutlookConnected ? 'bg-emerald-400 animate-pulse' : 'bg-slate-500' ?>"></span>
                     <span>Outlook: <?= $isOutlookConnected ? 'Verbonden' : 'Niet verbonden' ?></span>
@@ -291,6 +364,16 @@ $redirectUri = rtrim(APP_URL, '/') . '/auth/callback_microsoft.php';
                     </div>
                 <?php endif; ?>
 
+                <?php if ($isAdmin): ?>
+                    <!-- ADMIN WEERGAVE: Centrale melding & Instructies Accordion -->
+                    <div class="p-2.5 bg-blue-500/10 border border-blue-500/20 rounded-xl text-[11px] text-blue-300 flex items-start space-x-2">
+                        <i data-lucide="shield" class="w-4 h-4 flex-shrink-0 mt-0.5 text-blue-400"></i>
+                        <div class="leading-relaxed">
+                            <strong class="text-white block font-semibold">Centrale Beheerdersinstellingen</strong>
+                            <span>Deze Azure App gegevens gelden voor alle collega's in de organisatie. Gewone gebruikers zien deze technische details niet en hoeven alleen op 'Koppelen' te klikken.</span>
+                        </div>
+                    </div>
+
                     <!-- Azure App Instructies Accordion -->
                     <details class="group text-xs bg-slate-950/50 rounded-xl border border-slate-800/80 p-3">
                         <summary class="cursor-pointer font-semibold text-blue-400 flex items-center justify-between">
@@ -312,8 +395,8 @@ $redirectUri = rtrim(APP_URL, '/') . '/auth/callback_microsoft.php';
                             <p>5. Voeg API-machtigingen toe: <code>Calendars.ReadWrite</code>, <code>User.Read</code>, <code>offline_access</code>.</p>
                             <p>6. <strong class="text-amber-300">Cruciaal voor organisaties:</strong> Klik direct boven de tabel met machtigingen op de knop <strong class="text-white">"Beheerdersgoedkeuring verlenen voor [Organisatie]"</strong> (<em>Grant admin consent</em>) en bevestig met 'Ja'. Hiermee voorkomt u de melding <em>"Beheerdersgoedkeuring vereist"</em>.</p>
                             <?php 
-                        $curClientId = !empty($outlookSettings['client_id']) ? $outlookSettings['client_id'] : fociz_env('MICROSOFT_CLIENT_ID', '');
+                            $curClientId = !empty($outlookSettings['client_id']) ? $outlookSettings['client_id'] : $appConfig['client_id'];
-                        $curTenantId = !empty($outlookSettings['tenant_id']) ? $outlookSettings['tenant_id'] : 'organizations';
+                            $curTenantId = !empty($outlookSettings['tenant_id']) ? $outlookSettings['tenant_id'] : (!empty($appConfig['tenant_id']) ? $appConfig['tenant_id'] : 'organizations');
                             if (!empty($curClientId)): 
                                 $adminConsentUrl = "https://login.microsoftonline.com/" . urlencode($curTenantId) . "/v2.0/adminconsent?client_id=" . urlencode($curClientId) . "&redirect_uri=" . urlencode($redirectUri) . "&scope=" . urlencode("https://graph.microsoft.com/.default");
                             ?>
@@ -326,9 +409,34 @@ $redirectUri = rtrim(APP_URL, '/') . '/auth/callback_microsoft.php';
                             <?php endif; ?>
                         </div>
                     </details>
+                <?php else: ?>
+                    <!-- COLLEGA WEERGAVE: Informatiebanner over status -->
+                    <?php if (!$appConfig['is_configured']): ?>
+                        <div class="p-3.5 bg-amber-500/10 border border-amber-500/20 rounded-xl text-xs text-amber-300 flex items-start space-x-3">
+                            <i data-lucide="clock" class="w-5 h-5 flex-shrink-0 text-amber-400 mt-0.5"></i>
+                            <div>
+                                <strong class="block font-semibold mb-0.5">Configuratie vereist door beheerder</strong>
+                                <span class="text-[11px] text-slate-300 leading-relaxed">
+                                    Uw beheerder heeft de Microsoft 365 integratie nog niet geconfigureerd voor uw organisatie. Vraag uw beheerder om de Azure App gegevens in te stellen.
+                                </span>
+                            </div>
+                        </div>
+                    <?php elseif (!$isOutlookConnected): ?>
+                        <div class="p-3.5 bg-blue-500/10 border border-blue-500/20 rounded-xl text-xs text-slate-300 flex items-start space-x-3">
+                            <i data-lucide="shield-check" class="w-5 h-5 flex-shrink-0 text-blue-400 mt-0.5"></i>
+                            <div>
+                                <strong class="text-white block font-semibold mb-0.5">Gereed voor Koppeling</strong>
+                                <span class="text-[11px] text-slate-300 leading-relaxed">
+                                    Uw beheerder heeft Microsoft 365 klaargezet voor uw organisatie. Koppel uw persoonlijke werkagenda om al uw meetings en Teams-afspraken automatisch in uw dagplanning te laden.
+                                </span>
+                            </div>
+                        </div>
+                    <?php endif; ?>
+                <?php endif; ?>
             </div>
 
-            <!-- Instellingen formulier -->
+            <?php if ($isAdmin): ?>
+                <!-- ADMIN FORMULIER -->
                 <form method="POST" action="/integrations.php" class="pt-4 border-t border-slate-800 space-y-2.5 mt-4">
                     <input type="hidden" name="provider" value="OUTLOOK">
 
@@ -339,7 +447,7 @@ $redirectUri = rtrim(APP_URL, '/') . '/auth/callback_microsoft.php';
                         <input 
                             type="text" 
                             name="client_id" 
-                        value="<?= htmlspecialchars($outlookSettings['client_id'] ?? fociz_env('MICROSOFT_CLIENT_ID', '')) ?>"
+                            value="<?= htmlspecialchars($outlookSettings['client_id'] ?? '') ?>"
                             placeholder="bijv. e8f498c1-1234-4567-89ab-cdef01234567" 
                             class="w-full bg-slate-950 border border-slate-800 rounded-lg px-2.5 py-1.5 text-xs text-white placeholder-slate-600 focus:outline-none focus:border-blue-500 font-mono"
                         >
@@ -355,7 +463,7 @@ $redirectUri = rtrim(APP_URL, '/') . '/auth/callback_microsoft.php';
                                 type="password" 
                                 id="msClientSecret"
                                 name="client_secret" 
-                            value="<?= htmlspecialchars(!empty($outlookSettings['client_secret']) && $outlookSettings['client_secret'] !== '••••••••••••••••' ? $outlookSettings['client_secret'] : fociz_env('MICROSOFT_CLIENT_SECRET', '')) ?>"
+                                value="<?= htmlspecialchars(!empty($outlookSettings['client_secret']) && $outlookSettings['client_secret'] !== '••••••••••••••••' ? $outlookSettings['client_secret'] : '') ?>"
                                 placeholder="Plak hier de Waarde (Value) van uw Client Secret" 
                                 class="w-full bg-slate-950 border border-slate-800 rounded-lg px-2.5 py-1.5 pr-8 text-xs text-white placeholder-slate-600 focus:outline-none focus:border-blue-500 font-mono"
                             >
@@ -387,8 +495,8 @@ $redirectUri = rtrim(APP_URL, '/') . '/auth/callback_microsoft.php';
                         </div>
 
                         <?php 
-                    $curClientId = !empty($outlookSettings['client_id']) ? $outlookSettings['client_id'] : fociz_env('MICROSOFT_CLIENT_ID', '');
+                        $curClientId = !empty($outlookSettings['client_id']) ? $outlookSettings['client_id'] : $appConfig['client_id'];
-                    $curTenantId = !empty($outlookSettings['tenant_id']) ? $outlookSettings['tenant_id'] : 'organizations';
+                        $curTenantId = !empty($outlookSettings['tenant_id']) ? $outlookSettings['tenant_id'] : (!empty($appConfig['tenant_id']) ? $appConfig['tenant_id'] : 'organizations');
                         if (!empty($curClientId)): 
                             $adminConsentUrl = "https://login.microsoftonline.com/" . urlencode($curTenantId) . "/v2.0/adminconsent?client_id=" . urlencode($curClientId) . "&redirect_uri=" . urlencode($redirectUri) . "&scope=" . urlencode("https://graph.microsoft.com/.default");
                         ?>
@@ -421,21 +529,52 @@ $redirectUri = rtrim(APP_URL, '/') . '/auth/callback_microsoft.php';
 
                     <div class="flex space-x-2 pt-2">
                         <button type="submit" name="action" value="save" class="flex-1 py-2 rounded-xl bg-slate-800 hover:bg-slate-700 text-slate-200 text-xs font-semibold transition">
-                        Opslaan
+                            Instellingen Opslaan
                         </button>
                         
                         <button type="submit" name="action" value="connect_oauth" class="flex-1 py-2 rounded-xl bg-blue-600 hover:bg-blue-500 text-white text-xs font-bold transition flex items-center justify-center space-x-1 shadow-md shadow-blue-500/20">
                             <i data-lucide="key" class="w-3.5 h-3.5"></i>
-                        <span><?= $isOutlookConnected ? 'Opnieuw Koppelen' : 'Koppel Outlook' ?></span>
+                            <span><?= $isOutlookConnected ? 'Opnieuw Koppelen' : 'Koppel Mijn Outlook' ?></span>
                         </button>
                     </div>
 
                     <?php if ($isOutlookConnected): ?>
-                    <button type="submit" name="action" value="disconnect" onclick="return confirm('Weet u zeker dat u Microsoft Outlook wilt ontkoppelen?')" class="w-full py-1.5 text-[11px] text-red-400 hover:text-red-300 transition text-center block">
+                        <button type="submit" name="action" value="disconnect" onclick="return confirm('Weet u zeker dat u Microsoft Outlook wilt ontkoppelen voor uw account?')" class="w-full py-1.5 text-[11px] text-red-400 hover:text-red-300 transition text-center block">
-                        Koppeling Verwijderen
+                            Mijn Koppeling Verwijderen
                         </button>
                     <?php endif; ?>
                 </form>
+            <?php else: ?>
+                <!-- COLLEGA FORMULIER: Eenvoudig & Veilig (1-klik) -->
+                <div class="pt-4 border-t border-slate-800 mt-4">
+                    <?php if (!$appConfig['is_configured']): ?>
+                        <button type="button" disabled class="w-full py-2.5 rounded-xl bg-slate-800/60 border border-slate-700/60 text-slate-500 text-xs font-semibold cursor-not-allowed flex items-center justify-center space-x-2">
+                            <i data-lucide="lock" class="w-3.5 h-3.5"></i>
+                            <span>Wachten op Configuratie Beheerder</span>
+                        </button>
+                    <?php elseif ($isOutlookConnected): ?>
+                        <form method="POST" action="/integrations.php" class="space-y-2">
+                            <input type="hidden" name="provider" value="OUTLOOK">
+                            <button type="submit" name="action" value="connect_oauth" class="w-full py-2.5 rounded-xl bg-slate-800 hover:bg-slate-700 text-slate-200 text-xs font-semibold transition flex items-center justify-center space-x-2">
+                                <i data-lucide="refresh-cw" class="w-3.5 h-3.5"></i>
+                                <span>Opnieuw Aanmelden bij Microsoft</span>
+                            </button>
+                            <button type="submit" name="action" value="disconnect" onclick="return confirm('Weet u zeker dat u uw persoonlijke Outlook agenda wilt ontkoppelen?')" class="w-full py-2 rounded-xl bg-red-500/10 hover:bg-red-500/20 border border-red-500/20 text-red-400 text-xs font-semibold transition flex items-center justify-center space-x-1.5">
+                                <i data-lucide="link-2-off" class="w-3.5 h-3.5"></i>
+                                <span>Mijn Agenda Ontkoppelen</span>
+                            </button>
+                        </form>
+                    <?php else: ?>
+                        <form method="POST" action="/integrations.php">
+                            <input type="hidden" name="provider" value="OUTLOOK">
+                            <button type="submit" name="action" value="connect_oauth" class="w-full py-3 rounded-xl bg-blue-600 hover:bg-blue-500 text-white text-xs font-bold transition flex items-center justify-center space-x-2 shadow-lg shadow-blue-500/25">
+                                <i data-lucide="calendar-plus" class="w-4 h-4"></i>
+                                <span>Koppel Mijn Microsoft Outlook Agenda</span>
+                            </button>
+                        </form>
+                    <?php endif; ?>
+                </div>
+            <?php endif; ?>
         </div>
 
         <!-- 2. MICROSOFT TEAMS -->