Phase2: Invoicecomputation/AdminpricingUI/Ainvoicemgnt

src/app/[locale]/admin/billing/generate/page.tsx

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+import { redirect } from "next/navigation";
+import { getTranslations } from "next-intl/server";
+import { getSessionUser } from "@/lib/session";
+import { listTenants } from "@/lib/k8s";
+import { getOrgBilling } from "@/lib/db";
+import { BackLink } from "@/components/ui/back-link";
+import { GenerateForm } from "@/components/admin/billing/generate-form";
+
+/**
+ * /admin/billing/generate — testing tool to compute & commit an
+ * invoice for a given (org, period).
+ *
+ * Workflow:
+ *   1. Admin picks org + year/month + locale (default auto-detected
+ *      from country).
+ *   2. "Preview" runs computeInvoiceDraft (dryRun) — shows lines,
+ *      totals, warnings.
+ *   3. "Commit" persists + renders the PDF.
+ *
+ * The org dropdown is hydrated server-side here so the page loads
+ * with the list pre-populated. Per-org billing status (address
+ * present / open balance) is fetched on demand from /api/admin/
+ * billing/orgs since it can change as admin edits.
+ */
+export default async function AdminBillingGeneratePage() {
+  const user = await getSessionUser();
+  if (!user) redirect("/login");
+  if (!user.isPlatform) redirect("/dashboard");
+  const t = await getTranslations("adminBilling");
+
+  // Build initial org list from tenant labels.
+  const tenants = await listTenants();
+  const orgMap = new Map<string, string[]>();
+  for (const t of tenants) {
+    const oid = t.metadata.labels?.["pieced.ch/zitadel-org-id"];
+    if (!oid) continue;
+    if (!orgMap.has(oid)) orgMap.set(oid, []);
+    orgMap.get(oid)!.push(t.metadata.name);
+  }
+  // Hydrate company name + country in parallel.
+  const orgList = await Promise.all(
+    [...orgMap.entries()].map(async ([orgId, tenantNames]) => {
+      const billing = await getOrgBilling(orgId).catch(() => null);
+      return {
+        zitadelOrgId: orgId,
+        tenantNames,
+        companyName: billing?.companyName ?? null,
+        country: billing?.country ?? null,
+        hasBillingAddress: !!billing,
+      };
+    })
+  );
+  orgList.sort((a, b) =>
+    (a.companyName ?? a.zitadelOrgId).localeCompare(
+      b.companyName ?? b.zitadelOrgId
+    )
+  );
+
+  return (
+    <main className="max-w-4xl mx-auto px-6 py-8">
+      <BackLink href="/admin/billing" label={t("backToBilling")} />
+      <div className="mb-8 animate-in">
+        <h1 className="font-display text-2xl font-semibold accent-rule">
+          {t("generateTitle")}
+        </h1>
+        <p className="text-sm text-text-secondary mt-3">{t("generatePageDesc")}</p>
+      </div>
+      <GenerateForm orgs={orgList} />
+    </main>
+  );
+}