Update paginated responses to include summary data

spec/requests/api/v1/parks_spec.rb

@@ -5,12 +5,12 @@ RSpec.describe "Api::V1::Parks", type: :request do
     it "returns parks" do
       get api_v1_parks_url
       expect(response).to have_http_status(:success)
-      expect(response.parsed_body).to include(
+      expect(response.parsed_body["parks"]).to include(
         hash_including(
           code: "crla", name: "Crater Lake National Park", states: "OR"
         )
       )
-      expect(response.parsed_body).to include(
+      expect(response.parsed_body["parks"]).to include(
         hash_including(
           code: "olym", name: "Olympic National Park", states: "WA"
         )
@@ -19,18 +19,21 @@ RSpec.describe "Api::V1::Parks", type: :request do
 
     it "filters by state" do
       get api_v1_parks_url, params: { state: "OR" }
-      expect(response.parsed_body.pluck("code")).to eq(["crla"])
+      expect(response.parsed_body["parks"].pluck("code")).to eq(["crla"])
     end
 
     context "with pagination" do
-      it "respects page size param" do
-        get api_v1_parks_url, params: { per_page: 1 }
-        expect(response.parsed_body.size).to eq(1)
+      it "respects limit param" do
+        get api_v1_parks_url, params: { limit: 1 }
+        expect(response.parsed_body["total"]).to eq(2)
+        expect(response.parsed_body["limit"]).to eq(1)
+        expect(response.parsed_body["offset"]).to eq(0)
+        expect(response.parsed_body["parks"].size).to eq(1)
       end
 
-      it "respects page param" do
-        get api_v1_parks_url, params: { per_page: 1, page: 2 }
-        expect(response.parsed_body.first["code"]).to eq("crla")
+      it "respects offset param" do
+        get api_v1_parks_url, params: { offset: 1 }
+        expect(response.parsed_body["parks"].first["code"]).to eq("crla")
       end
     end
   end