feat: expose searchable national service catalog

src/Domain/OfficialDomainCatalog.php

@@ -106,6 +106,40 @@ public function hasCountry(string $iso2): bool
         return $this->country($iso2) !== null;
     }
 
+    /**
+     * @return list<array{code:string,description:string}>
+     */
+    public function searchNationalServices(?string $query = null, int $limit = 200): array
+    {
+        $normalizedQuery = mb_strtolower(trim((string) $query), 'UTF-8');
+        $limit = max(1, min($limit, 500));
+        $results = [];
+
+        foreach ($this->table('servicos-nacionais-v1.01.tsv', 2) as $row) {
+            $code = $row[0];
+            $description = $row[1];
+
+            if (
+                $normalizedQuery !== ''
+                && !str_contains(mb_strtolower($code, 'UTF-8'), $normalizedQuery)
+                && !str_contains(mb_strtolower($description, 'UTF-8'), $normalizedQuery)
+            ) {
+                continue;
+            }
+
+            $results[] = [
+                'code' => $code,
+                'description' => $description,
+            ];
+
+            if (count($results) >= $limit) {
+                break;
+            }
+        }
+
+        return $results;
+    }
+
     public function hasNationalService(string $code): bool
     {
         return $this->nationalService($code) !== null;

tests/Unit/Domain/OfficialDomainCatalogTest.php

@@ -46,6 +46,25 @@ public function testKnownNationalServiceAndNbsAreAvailableOffline(): void
         self::assertFalse($this->catalog->hasNbs('000000000'));
     }
 
+    public function testNationalServicesCanBeSearchedByCodeOrDescription(): void
+    {
+        $byCode = $this->catalog->searchNationalServices('010101', 10);
+        self::assertSame('010101', $byCode[0]['code'] ?? null);
+        self::assertSame('Análise e desenvolvimento de sistemas.', $byCode[0]['description'] ?? null);
+
+        $byDescription = $this->catalog->searchNationalServices('desenvolvimento de sistemas', 10);
+        self::assertSame('010101', $byDescription[0]['code'] ?? null);
+    }
+
+    public function testNationalServicesSearchIsBoundedAndCanListTheCatalog(): void
+    {
+        $firstTwo = $this->catalog->searchNationalServices(null, 2);
+
+        self::assertCount(2, $firstTwo);
+        self::assertSame('010101', $firstTwo[0]['code']);
+        self::assertCount(338, $this->catalog->searchNationalServices(null, 500));
+    }
+
     public function testKnownIbsCbsOperationIndicatorIsAvailableOffline(): void
     {
         $indicator = $this->catalog->operationIndicator('020101');