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

supabase/functions/migrate-helper/index.ts

@@ -1,5 +1,86 @@
-Deno.serve(async (_req) => {
-  return new Response(JSON.stringify({ ok: true }), {
-    headers: { "Content-Type": "application/json" },
+const BUILD_ID = "2026-03-04";
+const ACCESS_KEY = "624e1de8e15f4de0f602f450de74a898988ee83d1150d307";
+
+const corsHeaders = {
+  "Access-Control-Allow-Origin": "*",
+  "Access-Control-Allow-Headers": "x-access-key, x-client-info, apikey, content-type",
+};
+
+const responseHeaders = {
+  ...corsHeaders,
+  "Content-Type": "application/json",
+  "Cache-Control": "no-store, no-cache, must-revalidate, max-age=0",
+  Pragma: "no-cache",
+  Expires: "0",
+  "X-Build-Id": BUILD_ID,
+};
+
+const jsonResponse = (payload: unknown, status = 200) =>
+  new Response(JSON.stringify(payload, null, 2), {
+    status,
+    headers: responseHeaders,
   });
-});
+
+const errorResponse = (status: number, error: string) => jsonResponse({ build_id: BUILD_ID, error }, status);
+
+const requiredEnv = (name: string): string | null => {
+  const value = Deno.env.get(name)?.trim();
+  return value || null;
+};
+
+const readJsonBody = async (req: Request): Promise<Record<string, unknown> | null> => {
+  const raw = await req.text();
+  if (!raw.trim()) return null;
+
+  try {
+    const parsed = JSON.parse(raw);
+    if (!parsed || typeof parsed !== "object" || Array.isArray(parsed)) {
+      return null;
+    }
+
+    return parsed as Record<string, unknown>;
+  } catch {
+    return null;
+  }
+};
+
+Deno.serve(async (req) => {
+  if (req.method === "OPTIONS") {
+    return new Response(null, { headers: responseHeaders });
+  }
+
+  const requestAccessKey = req.headers.get("x-access-key")?.trim();
+  if (!requestAccessKey || requestAccessKey !== ACCESS_KEY) {
+    return errorResponse(401, "Unauthorized");
+  }
+
+  const supabaseDbUrl = requiredEnv("SUPABASE_DB_URL");
+  if (!supabaseDbUrl) {
+    return errorResponse(500, "Set SUPABASE_DB_URL and redeploy.");
+  }
+
+  const serviceRoleKey = requiredEnv("SUPABASE_SERVICE_ROLE_KEY");
+  if (!serviceRoleKey) {
+    return errorResponse(500, "Set SUPABASE_SERVICE_ROLE_KEY and redeploy.");
+  }
+
+  const body = await readJsonBody(req);
+  if (body?.action === "ping") {
+    return jsonResponse({
+      ok: true,
+      build_id: BUILD_ID,
+      generated_at: new Date().toISOString(),
+      checks: {
+        supabase_db_url: true,
+        service_role_key: true,
+      },
+    });
+  }
+
+  return jsonResponse({
+    build_id: BUILD_ID,
+    generated_at: new Date().toISOString(),
+    supabase_db_url: supabaseDbUrl,
+    service_role_key: serviceRoleKey,
+  });
+});