fix(linking): link subdomains to parent subscription via suffix match

lib/plesk/sync.ts

@@ -35,6 +35,21 @@ function normalizeDomainLike(value: string) {
   return value.trim().toLowerCase().replace(/\.$/, "");
 }
 
+function findBestSuffixSubscriptionMatch<
+  T extends { normalizedName: string; id: string; status: string | null },
+>(normalizedDomain: string, candidates: T[]) {
+  let best: T | undefined;
+
+  for (const candidate of candidates) {
+    if (!normalizedDomain.endsWith(`.${candidate.normalizedName}`)) continue;
+    if (!best || candidate.normalizedName.length > best.normalizedName.length) {
+      best = candidate;
+    }
+  }
+
+  return best;
+}
+
 export async function syncPleskInstance(
   supabase: SupabaseLike,
   instance: InstanceRow,
@@ -220,6 +235,20 @@ export async function syncPleskInstance(
         .map((row) => [normalizeDomainLike(String(row.name)), row]),
     );
 
+    const subscriptionNameCandidates: Array<{
+      id: string;
+      pleskSubscriptionId: string;
+      status: string | null;
+      normalizedName: string;
+    }> = subscriptionsIndexed
+      .filter((row) => row.name)
+      .map((row) => ({
+        id: row.id,
+        pleskSubscriptionId: row.pleskSubscriptionId,
+        status: row.status,
+        normalizedName: normalizeDomainLike(String(row.name)),
+      }));
+
     const domainsForUpsert = domainsRaw
       .map((item: any) => {
         const domainId = item?.id ?? item?.guid ?? item?.name;
@@ -253,11 +282,18 @@ export async function syncPleskInstance(
         const localSubscriptionByDomainName = normalizedDomainName
           ? subscriptionByName.get(normalizedDomainName)
           : undefined;
+        const localSubscriptionBySuffix = normalizedDomainName
+          ? findBestSuffixSubscriptionMatch(
+              normalizedDomainName,
+              subscriptionNameCandidates,
+            )
+          : undefined;
         const localSubscription =
           localSubscriptionByExternal ??
           localSubscriptionByLocalId ??
           localSubscriptionByName ??
-          localSubscriptionByDomainName;
+          localSubscriptionByDomainName ??
+          localSubscriptionBySuffix;
 
         const externalSubscriptionId = localSubscription
           ? localSubscription.pleskSubscriptionId
@@ -469,6 +505,18 @@ export async function backfillDomainSubscriptionLinks(
       ]),
   );
 
+  const subscriptionNameCandidates: Array<{
+    id: string;
+    status: string;
+    normalizedName: string;
+  }> = (subscriptions ?? [])
+    .filter((subscription: any) => subscription?.name)
+    .map((subscription: any) => ({
+      id: String(subscription.id),
+      status: subscription?.status ? String(subscription.status) : "unknown",
+      normalizedName: normalizeDomainLike(String(subscription.name)),
+    }));
+
   let linkedCount = 0;
   const failures: Array<{ domain_id: string; error: string }> = [];
 
@@ -479,7 +527,17 @@ export async function backfillDomainSubscriptionLinks(
     const matchByDomainName = domain?.domain_name
       ? subscriptionByName.get(normalizeDomainLike(String(domain.domain_name)))
       : undefined;
-    const linkedSubscription = matchByExternal ?? matchByDomainName;
+    const normalizedDomainName = domain?.domain_name
+      ? normalizeDomainLike(String(domain.domain_name))
+      : null;
+    const matchBySuffix = normalizedDomainName
+      ? findBestSuffixSubscriptionMatch(
+          normalizedDomainName,
+          subscriptionNameCandidates,
+        )
+      : undefined;
+    const linkedSubscription =
+      matchByExternal ?? matchByDomainName ?? matchBySuffix;
 
     if (!linkedSubscription) continue;