feat: Implement Java API integration for PPh 21 calculations and add helper...

feat: Implement Java API integration for PPh 21 calculations and add helper functions for Bupot 21 processing

package.json

@@ -114,6 +114,7 @@
     "sonner": "^2.0.7",
     "stylis": "^4.3.6",
     "swr": "^2.3.4",
+    "tiny-invariant": "^1.3.3",
     "turndown": "^7.2.0",
     "yet-another-react-lightbox": "^3.25.0",
     "zod": "^4.0.15"

src/global-config.ts

 import { paths } from 'src/routes/paths';
+import invariant from 'tiny-invariant';
 
 import packageJson from '../package.json';
 
 // ----------------------------------------------------------------------
 
+function isValidUrl(url: string): boolean {
+  try {
+    new URL(url); // The `URL` constructor throws if the string is not a valid URL.
+    return true;
+  } catch {
+    return false;
+  }
+}
+
+invariant(
+  import.meta.env.VITE_HOST_API && isValidUrl(import.meta.env.VITE_HOST_API),
+  'VITE_HOST_API env is not exist or invalid'
+);
+
+invariant(
+  import.meta.env.VITE_HOST_API_JAVA && isValidUrl(import.meta.env.VITE_HOST_API_JAVA),
+  'VITE_HOST_API_JAVA env is not exist or invalid'
+);
+
+invariant(process.env.VITE_PORT_JAVA_PPH21, 'VITE_PORT_JAVA_PPH21 env is not exist or invalid');
+invariant(process.env.VITE_PORT_JAVA_CETAK, 'VITE_PORT_JAVA_CETAK env is not exist or invalid');
+
+invariant(process.env.VITE_USERNAME_JAVA, 'VITE_USERNAME_JAVA env is not exist or invalid');
+invariant(process.env.VITE_PASSWORD_JAVA, 'VITE_PASSWORD_JAVA env is not exist or invalid');
+
+// ----------------------------------------------------------------------
+
 export type ConfigValue = {
   appName: string;
   appVersion: string;
@@ -27,7 +55,11 @@ export type ConfigValue = {
   auth0: { clientId: string; domain: string; callbackUrl: string };
   supabase: { url: string; key: string };
   nodesandbox: { api: string };
-  apiJava: { api: string };
+  apiJava: {
+    api: string;
+    prot: { pph21: string; cetak: string };
+    AuthBesic: { username: string; password: string };
+  };
 };
 
 // ----------------------------------------------------------------------
@@ -92,6 +124,14 @@ export const CONFIG: ConfigValue = {
    * java
    */
   apiJava: {
-    api: import.meta.env.VITE_HOST_API ?? '',
+    api: import.meta.env.VITE_HOST_API_JAVA ?? '',
+    prot: {
+      pph21: import.meta.env.VITE_PORT_JAVA_PPH21 ?? '',
+      cetak: import.meta.env.VITE_PORT_JAVA_CETAK ?? '',
+    },
+    AuthBesic: {
+      username: import.meta.env.VITE_USERNAME_JAVA ?? '',
+      password: import.meta.env.VITE_PASSWORD_JAVA ?? '',
+    },
   },
 };

src/lib/axios-ctas-box.ts

@@ -8,9 +8,25 @@ const API_CONFIGS = {
     baseURL: CONFIG.nodesandbox.api, // misal: https://api.yourdomain.com
     name: 'nodesandbox API',
   },
+  apiJava: {
+    baseURL: CONFIG.apiJava.api,
+    portPPH21: CONFIG.apiJava.prot.pph21,
+    portCetak: CONFIG.apiJava.prot.cetak,
+    AuthUser: CONFIG.apiJava.AuthBesic.username,
+    AuthPass: CONFIG.apiJava.AuthBesic.password,
+    name: 'java API',
+  },
 } as const;
 
-const createAxiosInstance = (baseURL: string, name: string): AxiosInstance => {
+const createAxiosInstance = (
+  baseURL: string,
+  name: string,
+  options?: {
+    useBasicAuth?: boolean;
+    username?: string;
+    password?: string;
+  }
+): AxiosInstance => {
   const instance = axios.create({
     baseURL,
     headers: {
@@ -18,19 +34,26 @@ const createAxiosInstance = (baseURL: string, name: string): AxiosInstance => {
     },
   });
 
-  // Request Interceptor - Tambahkan token jika diperlukan
+  // Request Interceptor
   instance.interceptors.request.use(
     (config) => {
-      const accessToken = localStorage.getItem(JWT_STORAGE_KEY);
-      if (accessToken) {
-        config.headers.Authorization = `Bearer ${accessToken}`;
+      // Basic Auth untuk Java API
+      if (options?.useBasicAuth && options.username && options.password) {
+        const credentials = btoa(`${options.username}:${options.password}`);
+        config.headers.Authorization = `Basic ${credentials}`;
+      } else {
+        // Bearer Token untuk Node API
+        const accessToken = localStorage.getItem(JWT_STORAGE_KEY);
+        if (accessToken) {
+          config.headers.Authorization = `Bearer ${accessToken}`;
+        }
       }
       return config;
     },
     (error) => Promise.reject(error)
   );
 
-  // Response Interceptor - Handle errors
+  // Response Interceptor
   instance.interceptors.response.use(
     (response) => response,
     (error) => {
@@ -48,6 +71,16 @@ export const axiosnodesandbox = createAxiosInstance(
   API_CONFIGS.nodesandbox.name
 );
 
+export const axiosApiJava = createAxiosInstance(
+  API_CONFIGS.apiJava.baseURL,
+  API_CONFIGS.apiJava.name,
+  {
+    useBasicAuth: true,
+    username: API_CONFIGS.apiJava.AuthUser,
+    password: API_CONFIGS.apiJava.AuthPass,
+  }
+);
+
 export default axiosnodesandbox;
 
 type FetcherArgs = string | [string, AxiosRequestConfig & { method?: string }];
@@ -70,6 +103,24 @@ export const fetcher = async <T = unknown>(args: FetcherArgs): Promise<T> => {
   }
 };
 
+export const fetcherJava = async <T = unknown>(args: FetcherArgs): Promise<T> => {
+  try {
+    const [url, config = {}] = Array.isArray(args) ? args : [args, {}];
+    const { method = 'GET', ...restConfig } = config;
+
+    const res = await axiosApiJava.request<T>({
+      url,
+      method,
+      ...restConfig,
+    });
+
+    return res.data;
+  } catch (error) {
+    console.error('[Java API] Fetcher failed:', error);
+    throw error;
+  }
+};
+
 export const endpoints = {
   pph21: {
     bulanan: {
@@ -92,4 +143,14 @@ export const endpoints = {
     faktur_keterangan: '/sandbox/mst_faktur_keterangan',
     faktur_idtambahan: '/sandbox/mst_faktur_idtambahan',
   },
+  hitung: {
+    bulanan: '/pph21/v1/hitung/ctas/bulanan',
+    harian: '/pph21/v1/hitung/ctas/harian',
+    pasal17: '/pph21/v1/hitung/ctas/pasal17',
+    pesangon: '/pph21/v1/hitung/ctas/pesangon',
+    pensiun: '/pph21/v1/hitung/ctas/pensiun',
+    finalTdkFinal: '/bupot21/hitung/final',
+    tahunan: '/pph21/v1/hitung/ctas/yearly',
+    tahunanA2: 'IF_TXR_055/a2',
+  },
 } as const;

src/sections/bupot-21-26/helper.ts

+import {
+  FG_PERHITUNGAN,
+  JENIS_PERHITUNGAN,
+  KODE_OBJEK_PAJAK,
+  PERHITUNGAN_BUPOT21,
+} from './bupot-bulanan/constant';
+import type { paramsHitung } from './type';
+
+export const checkPerhitunganBupot21 = ({
+  kodeObjekPajak,
+  fgPerhitungan,
+  jenisPerhitungan,
+  phBruto,
+}: paramsHitung) => {
+  switch (kodeObjekPajak) {
+    case KODE_OBJEK_PAJAK.BULANAN_01:
+    case KODE_OBJEK_PAJAK.BULANAN_02:
+    case KODE_OBJEK_PAJAK.BULANAN_03:
+    case KODE_OBJEK_PAJAK.TIDAK_FINAL_10:
+      console.log('fgPerhitungan', fgPerhitungan, kodeObjekPajak, jenisPerhitungan, phBruto);
+      if (fgPerhitungan == FG_PERHITUNGAN.GROSS) return PERHITUNGAN_BUPOT21.BULANAN_GROSS;
+      if (fgPerhitungan == FG_PERHITUNGAN.GROSS_UP) return PERHITUNGAN_BUPOT21.BULANAN_GROSS_UP;
+      if (fgPerhitungan == FG_PERHITUNGAN.MIXED) return PERHITUNGAN_BUPOT21.BULANAN_MIXED;
+      return null;
+    case KODE_OBJEK_PAJAK.TIDAK_FINAL_03:
+      if (jenisPerhitungan == JENIS_PERHITUNGAN.BULANAN) {
+        if (fgPerhitungan == FG_PERHITUNGAN.GROSS) return PERHITUNGAN_BUPOT21.BULANAN_GROSS;
+        if (fgPerhitungan == FG_PERHITUNGAN.GROSS_UP) return PERHITUNGAN_BUPOT21.BULANAN_GROSS_UP;
+        if (fgPerhitungan == FG_PERHITUNGAN.MIXED) return PERHITUNGAN_BUPOT21.BULANAN_MIXED;
+      }
+      if (jenisPerhitungan == JENIS_PERHITUNGAN.HARIAN) {
+        if (phBruto <= 2500000) return PERHITUNGAN_BUPOT21.HARIAN;
+        if (phBruto > 2500000) return PERHITUNGAN_BUPOT21.PASAL17;
+      }
+      return null;
+    case KODE_OBJEK_PAJAK.TIDAK_FINAL_04:
+    case KODE_OBJEK_PAJAK.TIDAK_FINAL_05:
+    case KODE_OBJEK_PAJAK.TIDAK_FINAL_06:
+    case KODE_OBJEK_PAJAK.TIDAK_FINAL_07:
+    case KODE_OBJEK_PAJAK.TIDAK_FINAL_09:
+    case KODE_OBJEK_PAJAK.TIDAK_FINAL_11:
+    case KODE_OBJEK_PAJAK.TIDAK_FINAL_12:
+    case KODE_OBJEK_PAJAK.TIDAK_FINAL_13:
+      return PERHITUNGAN_BUPOT21.PASAL17;
+    case KODE_OBJEK_PAJAK.FINAL_01:
+    case KODE_OBJEK_PAJAK.FINAL_02:
+      return PERHITUNGAN_BUPOT21.FINAL;
+    default:
+      return null;
+  }
+};

src/sections/bupot-21-26/hitung.ts

+import {
+  useMutation,
+  type UseMutationResult,
+  type UseMutationOptions,
+} from '@tanstack/react-query';
+import type { AxiosError } from 'axios';
+
+import { fetcherJava, endpoints } from 'src/lib/axios-ctas-box';
+
+import type { transformParamsBupotBulananProps } from './type';
+import { checkPerhitunganBupot21 } from './helper';
+import { PERHITUNGAN_BUPOT21 } from './bupot-bulanan/constant';
+
+// ========================================
+// Types
+// ========================================
+interface ApiResponse<T> {
+  code: number;
+  status: string;
+  message?: string;
+  data: T;
+}
+
+interface ApiResponseBulanan {
+  nip: string | null;
+  tglBupot: string | null;
+  metode: string | null;
+  status: 'TK' | 'K' | 'HB';
+  nTanggungan: 0 | 1 | 2 | 3;
+  tunjanganPPh: string;
+  penghasilanBruto: string | null;
+  tarif: string;
+  kelasTer: string;
+  pphBulan: string;
+  pph21ditanggungperusahaan: string;
+  pph21ditanggungkaryawan: string;
+  pph21: string;
+  pphDipotong: string;
+}
+
+interface TransformedBupotParams {
+  status: string;
+  nTanggungan: string;
+  metode: 'gross' | 'gross-up';
+  tglBupot: string;
+  penghasilanKotor: string | number;
+  dpp: string | number;
+}
+
+type MutationProps = Omit<
+  UseMutationOptions<ApiResponseBulanan, AxiosError, transformParamsBupotBulananProps>,
+  'mutationKey' | 'mutationFn'
+>;
+
+// ========================================
+// Validation & Transform Functions
+// ========================================
+
+const validateResponse = <T>(response: ApiResponse<T>): T => {
+  const failedStatuses = ['fail', 'error', '0'];
+
+  if (failedStatuses.includes(response.status)) {
+    throw new Error(
+      response.message || 'System tidak dapat memenuhi permintaan, coba beberapa saat lagi'
+    );
+  }
+
+  if (!response.data) {
+    throw new Error('Data response tidak ditemukan');
+  }
+
+  return response.data;
+};
+
+const transformParamsBupotBulanan = (
+  params: transformParamsBupotBulananProps
+): TransformedBupotParams => {
+  const [status, nTanggungan] = params.status.split('/');
+
+  if (!status || !nTanggungan) {
+    throw new Error('Format status tidak valid. Expected: "STATUS/N_TANGGUNGAN"');
+  }
+
+  return {
+    status,
+    nTanggungan,
+    metode: params.metode,
+    tglBupot: params.tglBupot,
+    penghasilanKotor: params.penghasilanKotor,
+    dpp: params.dppPersen,
+  };
+};
+
+const normalizeResponse = (data: ApiResponseBulanan): ApiResponseBulanan => ({
+  ...data,
+  pph21: data.pph21 || data.pphDipotong || '0',
+});
+
+// ========================================
+// API Request Handlers
+// ========================================
+
+const { bulanan, harian, pasal17, pensiun, pesangon, tahunan, tahunanA2 } = endpoints.hitung;
+
+const hitungBulananGross = async (
+  params: transformParamsBupotBulananProps
+): Promise<ApiResponseBulanan> => {
+  const response = await fetcherJava<ApiResponse<ApiResponseBulanan>>([
+    bulanan,
+    {
+      method: 'POST',
+      data: transformParamsBupotBulanan({ ...params, metode: 'gross' }),
+    },
+  ]);
+
+  return normalizeResponse(validateResponse(response));
+};
+
+const hitungBulananGrossUp = async (
+  params: transformParamsBupotBulananProps
+): Promise<ApiResponseBulanan> => {
+  const response = await fetcherJava<ApiResponse<ApiResponseBulanan>>([
+    bulanan,
+    {
+      method: 'POST',
+      data: transformParamsBupotBulanan({ ...params, metode: 'gross-up' }),
+    },
+  ]);
+
+  return normalizeResponse(validateResponse(response));
+};
+
+const handleHitungBulanan = async (
+  params: transformParamsBupotBulananProps
+): Promise<ApiResponseBulanan> => {
+  const checkPerhitungan = checkPerhitunganBupot21(params);
+
+  switch (checkPerhitungan) {
+    case PERHITUNGAN_BUPOT21.BULANAN_GROSS:
+      return hitungBulananGross(params);
+
+    case PERHITUNGAN_BUPOT21.BULANAN_GROSS_UP:
+      return hitungBulananGrossUp(params);
+
+    default:
+      throw new Error(
+        `Tipe perhitungan tidak valid: ${checkPerhitungan}. Expected: ${PERHITUNGAN_BUPOT21.BULANAN_GROSS} atau ${PERHITUNGAN_BUPOT21.BULANAN_GROSS_UP}`
+      );
+  }
+};
+
+// ========================================
+// React Query Hook
+// ========================================
+
+/**
+ * Hook untuk hitung PPh 21 Bulanan
+ *
+ * @example
+ * ```tsx
+ * const { mutate, isPending, error } = useHitungBulanan({
+ *   onSuccess: (data) => {
+ *     console.log('PPh21:', data.pph21);
+ *   },
+ *   onError: (error) => {
+ *     toast.error(error.message);
+ *   }
+ * });
+ *
+ * mutate({
+ *   status: 'TK/0',
+ *   tglBupot: '2025-01-15',
+ *   penghasilanKotor: 5000000,
+ *   dppPersen: 5,
+ *   metode: 'gross'
+ * });
+ * ```
+ */
+
+export function useHitungBulanan(
+  props?: MutationProps
+): UseMutationResult<ApiResponseBulanan, AxiosError, transformParamsBupotBulananProps> {
+  return useMutation<ApiResponseBulanan, AxiosError, transformParamsBupotBulananProps>({
+    mutationKey: ['pph-21-26', 'bulanan', 'hitung'],
+    mutationFn: handleHitungBulanan,
+    ...props,
+  });
+}
+
+// ========================================
+// Error Handler Utility (Optional)
+// ========================================
+
+/**
+ * Helper untuk handle error dari mutation
+ */
+export const getHitungBulananErrorMessage = (error: unknown): string => {
+  if (error instanceof Error) {
+    return error.message;
+  }
+
+  if (typeof error === 'object' && error !== null && 'response' in error) {
+    const axiosError = error as AxiosError<ApiResponse<any>>;
+    return (
+      axiosError.response?.data?.message ||
+      axiosError.message ||
+      'Terjadi kesalahan saat menghitung PPh 21'
+    );
+  }
+
+  return 'Terjadi kesalahan yang tidak diketahui';
+};

src/sections/bupot-21-26/type.ts

+export type paramsHitung = {
+  kodeObjekPajak: string;
+  fgPerhitungan: string;
+  jenisPerhitungan: string;
+  phBruto: number;
+};
+
+export type transformParamsBupotBulananProps = {
+  status: string;
+  metode: 'gross' | 'gross-up';
+  tglBupot: string;
+  penghasilanKotor: string;
+  dppPersen: string;
+} & paramsHitung;