Changes

Co-authored-by: renee-png <262607627+renee-png@users.noreply.github.com>

src/components/invoices/generate-invoice-dialog.tsx

@@ -41,6 +41,7 @@ export function GenerateInvoiceDialog({ open, onOpenChange, clientId, clientName
   const [taxPct, setTaxPct] = useState("0");
   const [dueDays, setDueDays] = useState("30");
   const [notes, setNotes] = useState("");
+  const [isRetainer, setIsRetainer] = useState(false);
   const [loading, setLoading] = useState(false);
   const [saving, setSaving] = useState(false);
 
@@ -104,9 +105,53 @@ export function GenerateInvoiceDialog({ open, onOpenChange, clientId, clientName
 
   const submit = async () => {
     if (!user?.id) return;
-    if (selectedIds.length === 0) return toast.error("Select at least one case");
+    if (selectedIds.length === 0 && !isRetainer) return toast.error("Select at least one case");
     setSaving(true);
     try {
+      if (isRetainer) {
+        // Retainer invoices have no time/expenses — create a single line item for the deposit.
+        const yr = new Date().getFullYear();
+        const num = `INV-${yr}-${Math.floor(1000 + Math.random() * 9000)}`;
+        const due = new Date();
+        due.setDate(due.getDate() + (Number(dueDays) || 30));
+        const amt = Math.max(0, Number((document.getElementById("retainer-amount") as HTMLInputElement)?.value) || 0);
+        if (amt <= 0) {
+          setSaving(false);
+          return toast.error("Enter a retainer amount");
+        }
+        const tax = +(amt * (Number(taxPct) || 0) / 100).toFixed(2);
+        const { data: inv, error: ie } = await supabase
+          .from("invoices")
+          .insert({
+            invoice_number: num,
+            client_id: clientId,
+            status: "draft",
+            issue_date: new Date().toISOString().slice(0, 10),
+            due_date: due.toISOString().slice(0, 10),
+            subtotal: amt,
+            tax,
+            total: +(amt + tax).toFixed(2),
+            notes: notes || "Retainer deposit",
+            is_retainer: true,
+            created_by: user.id,
+          })
+          .select("id, invoice_number")
+          .single();
+        if (ie || !inv) throw ie ?? new Error("Failed to create");
+        await supabase.from("invoice_line_items").insert({
+          invoice_id: inv.id,
+          kind: "manual",
+          description: "Retainer deposit into trust account",
+          quantity: 1,
+          rate: amt,
+          amount: amt,
+          sort_order: 0,
+        });
+        toast.success(`Retainer invoice ${inv.invoice_number} created`);
+        onOpenChange(false);
+        navigate({ to: "/invoices/$invoiceId", params: { invoiceId: inv.id } });
+        return;
+      }
       const { invoiceId, invoiceNumber } = await generateInvoiceForClient({
         clientId,
         caseIds: selectedIds,