feat(users): implement server actions and audit logging

src/lib/actions/user-management.ts

@@ -0,0 +1,146 @@
+'use server';
+
+import { z } from 'zod';
+import { logAdminAction } from '@/lib/audit-logger';
+
+// --- Validation Schemas ---
+
+const suspendSchema = z.object({
+    userId: z.string(),
+    reason: z.string().min(10, "Reason must be at least 10 characters"),
+    duration: z.enum(['24h', '7d', '30d', 'indefinite']),
+});
+
+const banSchema = z.object({
+    userId: z.string(),
+    reason: z.string().min(10),
+});
+
+const ticketSchema = z.object({
+    userId: z.string(),
+    summary: z.string().min(5),
+});
+
+// --- Authorization Helper ---
+
+async function verifyAdmin() {
+    // TODO: Integrate with Auth.js session check
+    // const session = await auth();
+    // if (session?.user?.role !== 'admin') throw new Error("Unauthorized");
+
+    // Mock successful admin check
+    return { id: 'admin-1', role: 'admin' };
+}
+
+// --- Server Actions ---
+
+export async function resetPassword(userId: string) {
+    try {
+        const admin = await verifyAdmin();
+
+        // Simulate DB call
+        await new Promise(resolve => setTimeout(resolve, 800));
+
+        await logAdminAction({
+            actorId: admin.id,
+            action: 'RESET_PASSWORD',
+            targetId: userId,
+        });
+
+        return { success: true, message: "Recovery email sent to user." };
+    } catch (error) {
+        return { success: false, message: "Failed to reset password." };
+    }
+}
+
+export async function impersonateUser(userId: string) {
+    try {
+        const admin = await verifyAdmin();
+
+        await logAdminAction({
+            actorId: admin.id,
+            action: 'IMPERSONATE_USER',
+            targetId: userId,
+        });
+
+        // In a real app, you'd set a cookie here
+        // cookies().set('impersonate_id', userId);
+
+        return { success: true, redirectUrl: '/dashboard' };
+    } catch (error) {
+        return { success: false, message: "Failed to start impersonation session." };
+    }
+}
+
+export async function terminateSessions(userId: string) {
+    try {
+        const admin = await verifyAdmin();
+
+        // Simulate DB call to delete sessions
+        await new Promise(resolve => setTimeout(resolve, 500));
+
+        await logAdminAction({
+            actorId: admin.id,
+            action: 'TERMINATE_SESSIONS',
+            targetId: userId,
+        });
+
+        return { success: true, message: "All active sessions terminated." };
+    } catch (error) {
+        return { success: false, message: "Failed to terminate sessions." };
+    }
+}
+
+export async function toggleSuspension(formData: FormData) {
+    try {
+        const admin = await verifyAdmin();
+
+        const rawData = {
+            userId: formData.get('userId'),
+            reason: formData.get('reason'),
+            duration: formData.get('duration'),
+        };
+
+        const validated = suspendSchema.safeParse(rawData);
+        if (!validated.success) {
+            return { success: false, message: validated.error.errors[0].message };
+        }
+
+        // Simulate DB update
+        await new Promise(resolve => setTimeout(resolve, 1000));
+
+        await logAdminAction({
+            actorId: admin.id,
+            action: 'SUSPEND_USER',
+            targetId: validated.data.userId,
+            details: { reason: validated.data.reason, duration: validated.data.duration },
+        });
+
+        return { success: true, message: `User suspended for ${validated.data.duration}.` };
+    } catch (error) {
+        return { success: false, message: "Failed to suspend user." };
+    }
+}
+
+export async function createSupportTicket(userId: string, summary: string) {
+    try {
+        const admin = await verifyAdmin();
+
+        const validated = ticketSchema.safeParse({ userId, summary });
+        if (!validated.success) return { success: false, message: "Invalid input" };
+
+        // Simulate DB insert
+        await new Promise(resolve => setTimeout(resolve, 600));
+
+        await logAdminAction({
+            actorId: admin.id,
+            action: 'CREATE_TICKET',
+            targetId: userId,
+            details: { summary },
+        });
+
+        return { success: true, message: "Support ticket #T-1234 created." };
+    } catch (error) {
+        return { success: false, message: "Failed to create ticket." };
+    }
+}