diff --git a/src/components/pages/purchase/form/PurchaseRequestForm.schema.ts b/src/components/pages/purchase/form/PurchaseRequestForm.schema.ts
index e15dae8d..ebd0792d 100644
--- a/src/components/pages/purchase/form/PurchaseRequestForm.schema.ts
+++ b/src/components/pages/purchase/form/PurchaseRequestForm.schema.ts
@@ -7,6 +7,16 @@ type PurchaseRequestFormSchemaType = {
     label: string;
   } | null;
   supplier_id: number;
+  area?: {
+    value: number;
+    label: string;
+  } | null;
+  area_id: number;
+  location?: {
+    value: number;
+    label: string;
+  } | null;
+  location_id: number;
   credit_term: number | string;
   notes: string | null;
   purchase_items: {
@@ -90,6 +100,22 @@ export const PurchaseRequestFormSchema: Yup.ObjectSchema<PurchaseRequestFormSche
       .required('Supplier wajib diisi!')
       .min(1, 'Supplier wajib diisi!')
       .typeError('Supplier wajib diisi!'),
+    area: Yup.object({
+      value: Yup.number().min(1).required(),
+      label: Yup.string().required(),
+    }).nullable(),
+    area_id: Yup.number()
+      .required('Area wajib diisi!')
+      .min(1, 'Area wajib diisi!')
+      .typeError('Area wajib diisi!'),
+    location: Yup.object({
+      value: Yup.number().min(1).required(),
+      label: Yup.string().required(),
+    }).nullable(),
+    location_id: Yup.number()
+      .required('Lokasi wajib diisi!')
+      .min(1, 'Lokasi wajib diisi!')
+      .typeError('Lokasi wajib diisi!'),
     credit_term: Yup.number()
       .required('Termin kredit wajib diisi!')
       .min(1, 'Termin kredit tidak boleh negatif!')
@@ -118,6 +144,10 @@ export const getPurchaseRequestFormInitialValues = (
       }
     : null,
   supplier_id: initialValues?.supplier?.id ?? 0,
+  area: null,
+  area_id: 0,
+  location: null,
+  location_id: 0,
   credit_term: initialValues?.credit_term ?? '',
   notes: initialValues?.notes ?? null,
   purchase_items: [],
diff --git a/src/components/pages/purchase/form/PurchaseRequestForm.tsx b/src/components/pages/purchase/form/PurchaseRequestForm.tsx
index dfafae20..5f15e54e 100644
--- a/src/components/pages/purchase/form/PurchaseRequestForm.tsx
+++ b/src/components/pages/purchase/form/PurchaseRequestForm.tsx
@@ -1,6 +1,6 @@
 'use client';
 
-import { useCallback, useMemo, useState } from 'react';
+import { useCallback, useEffect, useMemo, useState } from 'react';
 import { useFormik } from 'formik';
 import useSWR from 'swr';
 import { useRouter } from 'next/navigation';
@@ -8,6 +8,10 @@ import { Icon } from '@iconify/react';
 import { toast } from 'react-hot-toast';
 import Button from '@/components/Button';
 import TextInput from '@/components/input/TextInput';
+import SelectInput, {
+  OptionType,
+  useSelect,
+} from '@/components/input/SelectInput';
 import ConfirmationModal from '@/components/modal/ConfirmationModal';
 import { useModal } from '@/components/Modal';
 
@@ -17,8 +21,13 @@ import {
   getPurchaseRequestFormInitialValues,
   UpdatePurchaseRequestFormSchema,
 } from './PurchaseRequestForm.schema';
-import { SupplierApi } from '@/services/api/master-data';
-import { WarehouseApi } from '@/services/api/master-data';
+import {
+  SupplierApi,
+  AreaApi,
+  LocationApi,
+  WarehouseApi,
+} from '@/services/api/master-data';
+import { ProductWarehouseApi } from '@/services/api/inventory';
 import { isResponseSuccess, isResponseError } from '@/lib/api-helper';
 import { PurchaseApi } from '@/services/api/purchasing';
 
@@ -46,6 +55,46 @@ const PurchaseRequestForm = ({
   const [purchaseRequestFormErrorMessage, setPurchaseRequestFormErrorMessage] =
     useState('');
   const [isDeleteLoading, setIsDeleteLoading] = useState(false);
+  const [
+    productWarehouseSelectInputValue,
+    setProductWarehouseSelectInputValue,
+  ] = useState('');
+
+  // ===== INTERFACES =====
+  interface WarehouseOptionType extends OptionType {
+    area?: string;
+    location?: string;
+  }
+
+  interface ProductWarehouseOptionType extends OptionType {
+    product_id: number;
+    warehouse_id: number;
+    warehouse_name: string;
+    quantity: number;
+  }
+
+  // ===== HELPER FUNCTIONS =====
+  const getPurchaseItemError = (
+    idx: number,
+    field: 'warehouse_id' | 'product_warehouse_id' | 'product_id' | 'sub_qty'
+  ): { isError: boolean; errorMessage: string } => {
+    const touchedItem = formik.touched.purchase_items?.[idx];
+    const errorItem = formik.errors.purchase_items?.[idx] as
+      | Record<string, string>
+      | undefined;
+
+    if (!touchedItem || !errorItem) {
+      return { isError: false, errorMessage: '' };
+    }
+
+    const isTouched = (touchedItem as Record<string, boolean>)?.[field];
+    const errorMessage = errorItem?.[field] || '';
+
+    return {
+      isError: Boolean(isTouched && errorMessage),
+      errorMessage: isTouched && errorMessage ? errorMessage : '',
+    };
+  };
 
   // ===== FORM HANDLERS =====
   const createPurchaseRequestHandler = useCallback(
@@ -94,37 +143,86 @@ const PurchaseRequestForm = ({
   }, [deleteModal, initialValues?.id, router]);
 
   // ===== API DATA FETCHING =====
-  const { data: suppliers, isLoading: isLoadingSuppliers } = useSWR(
-    SupplierApi.basePath,
-    SupplierApi.getAllFetcher
+  const allProductWarehousesUrl = `${ProductWarehouseApi.basePath}`;
+  const { data: allProductWarehouses } = useSWR(
+    allProductWarehousesUrl,
+    ProductWarehouseApi.getAllFetcher
   );
 
-  const { data: warehouses, isLoading: isLoadingWarehouses } = useSWR(
-    WarehouseApi.basePath,
+  // ===== USE SELECT HOOKS =====
+  const {
+    inputValue: supplierSelectInputValue,
+    setInputValue: setSupplierSelectInputValue,
+    options: supplierOptions,
+    isLoadingOptions: isLoadingSuppliers,
+  } = useSelect(SupplierApi.basePath, 'id', 'name', 'search');
+
+  const {
+    inputValue: areaSelectInputValue,
+    setInputValue: setAreaSelectInputValue,
+    options: areaOptions,
+    isLoadingOptions: isLoadingAreas,
+  } = useSelect(AreaApi.basePath, 'id', 'name', 'search');
+
+  const {
+    inputValue: locationSelectInputValue,
+    setInputValue: setLocationSelectInputValue,
+    options: locationOptions,
+    isLoadingOptions: isLoadingLocations,
+  } = useSelect(LocationApi.basePath, 'id', 'name', 'search');
+
+  const {
+    inputValue: warehouseSelectInputValue,
+    setInputValue: setWarehouseSelectInputValue,
+    isLoadingOptions: isLoadingWarehouses,
+  } = useSelect(WarehouseApi.basePath, 'id', 'name', 'search');
+
+  const warehousesUrl = `${WarehouseApi.basePath}?${new URLSearchParams({ search: warehouseSelectInputValue }).toString()}`;
+  const { data: warehouses } = useSWR(
+    warehousesUrl,
     WarehouseApi.getAllFetcher
   );
 
   // ===== DATA PROCESSING =====
-  const supplierOptions = useMemo(() => {
-    if (!isResponseSuccess(suppliers)) return [];
-    return (
-      suppliers?.data.map((supplier) => ({
-        value: supplier.id,
-        label: supplier.name,
-      })) || []
-    );
-  }, [suppliers]);
-
   const warehouseOptions = useMemo(() => {
     if (!isResponseSuccess(warehouses)) return [];
+
     return (
-      warehouses?.data.map((warehouse) => ({
-        value: warehouse.id,
-        label: warehouse.name,
+      warehouses?.data.map((w) => ({
+        value: w.id,
+        label: w.name,
+        area: w.area?.name,
+        location:
+          'type' in w && (w.type === 'LOKASI' || w.type === 'KANDANG')
+            ? w.location?.name
+            : undefined,
       })) || []
     );
   }, [warehouses]);
 
+  // ===== PRODUCT WAREHOUSE FETCHING =====
+  const getProductWarehousesUrl = useCallback(() => {
+    const productWarehouseParams = new URLSearchParams({
+      search: productWarehouseSelectInputValue,
+    });
+    return `${ProductWarehouseApi.basePath}?${productWarehouseParams.toString()}`;
+  }, [productWarehouseSelectInputValue]);
+
+  const productWarehousesUrl = getProductWarehousesUrl();
+  const { data: productWarehouses, isLoading: isLoadingProductWarehouses } =
+    useSWR(productWarehousesUrl, ProductWarehouseApi.getAllFetcher);
+
+  const productWarehouseOptions = isResponseSuccess(productWarehouses)
+    ? productWarehouses?.data.map((pw) => ({
+        value: pw.product.id,
+        label: pw.product.name,
+        product_id: pw.product.id,
+        warehouse_id: pw.warehouse.id,
+        warehouse_name: pw.warehouse.name,
+        quantity: pw.quantity,
+      }))
+    : [];
+
   const formikInitialValues = useMemo<PurchaseRequestFormValues>(
     () => getPurchaseRequestFormInitialValues(initialValues),
     [initialValues]
@@ -184,18 +282,28 @@ const PurchaseRequestForm = ({
   });
 
   // ===== EVENT HANDLERS =====
-  const supplierChangeHandler = (val: string) => {
-    const supplierId = parseInt(val) || 0;
-    formik.setFieldValue('supplier_id', supplierId);
+  const supplierChangeHandler = (val: OptionType | OptionType[] | null) => {
+    const supplier = val as OptionType | null;
+    formik.setFieldTouched('supplier', true);
+    formik.setFieldValue('supplier', supplier);
+    formik.setFieldTouched('supplier_id', true);
+    formik.setFieldValue('supplier_id', (supplier as OptionType)?.value || 0);
+  };
 
-    const selectedSupplier = supplierOptions.find(
-      (option) => option.value === supplierId
-    );
-    if (selectedSupplier) {
-      formik.setFieldValue('supplier', selectedSupplier);
-    } else {
-      formik.setFieldValue('supplier', null);
-    }
+  const areaChangeHandler = (val: OptionType | OptionType[] | null) => {
+    const area = val as OptionType | null;
+    formik.setFieldTouched('area', true);
+    formik.setFieldValue('area', area);
+    formik.setFieldTouched('area_id', true);
+    formik.setFieldValue('area_id', (area as OptionType)?.value || 0);
+  };
+
+  const locationChangeHandler = (val: OptionType | OptionType[] | null) => {
+    const location = val as OptionType | null;
+    formik.setFieldTouched('location', true);
+    formik.setFieldValue('location', location);
+    formik.setFieldTouched('location_id', true);
+    formik.setFieldValue('location_id', (location as OptionType)?.value || 0);
   };
 
   // Purchase Items Handlers
@@ -293,21 +401,22 @@ const PurchaseRequestForm = ({
                   : 'grid grid-cols-1 md:grid-cols-2 gap-6'
               }
             >
-              <TextInput
+              <SelectInput
                 required
                 label='Vendor'
-                name='supplier_id'
-                value={formik.values.supplier_id}
-                onChange={(e) => supplierChangeHandler(e.target.value)}
-                onBlur={formik.handleBlur}
+                placeholder='Pilih Vendor...'
+                value={formik.values.supplier}
+                onChange={supplierChangeHandler}
+                options={supplierOptions}
+                onInputChange={setSupplierSelectInputValue}
+                isLoading={isLoadingSuppliers}
                 isError={
                   formik.touched.supplier_id &&
                   Boolean(formik.errors.supplier_id)
                 }
                 errorMessage={formik.errors.supplier_id as string}
-                readOnly={type === 'detail'}
-                type='number'
-                placeholder='Masukkan Supplier ID'
+                isDisabled={type === 'detail'}
+                isClearable
               />
               <TextInput
                 required
@@ -326,26 +435,39 @@ const PurchaseRequestForm = ({
                 placeholder='Masukkan Credit Term'
               />
 
-              <TextInput
+              <SelectInput
                 required
                 label='Area'
-                name='area_id'
-                onChange={(e) => {}}
-                onBlur={formik.handleBlur}
-                readOnly={type === 'detail'}
-                type='number'
-                placeholder='Pilih Area'
+                placeholder='Pilih Area...'
+                value={formik.values.area}
+                onChange={areaChangeHandler}
+                options={areaOptions}
+                onInputChange={setAreaSelectInputValue}
+                isLoading={isLoadingAreas}
+                isError={
+                  formik.touched.area_id && Boolean(formik.errors.area_id)
+                }
+                errorMessage={formik.errors.area_id as string}
+                isDisabled={type === 'detail'}
+                isClearable
               />
 
-              <TextInput
+              <SelectInput
                 required
                 label='Lokasi'
-                name='location_id'
-                onChange={(e) => {}}
-                onBlur={formik.handleBlur}
-                readOnly={type === 'detail'}
-                type='number'
-                placeholder='Pilih Lokasi'
+                placeholder='Pilih Lokasi...'
+                value={formik.values.location}
+                onChange={locationChangeHandler}
+                options={locationOptions}
+                onInputChange={setLocationSelectInputValue}
+                isLoading={isLoadingLocations}
+                isError={
+                  formik.touched.location_id &&
+                  Boolean(formik.errors.location_id)
+                }
+                errorMessage={formik.errors.location_id as string}
+                isDisabled={type === 'detail'}
+                isClearable
               />
 
               <div className={type === 'detail' ? 'col-span-1' : 'col-span-2'}>
@@ -442,43 +564,76 @@ const PurchaseRequestForm = ({
                         </td>
                       )}
                       <td>
-                        <TextInput
+                        <SelectInput
                           required
-                          name={`purchase_items.${idx}.warehouse_id`}
-                          value={item.warehouse_id || ''}
-                          onChange={(e) =>
-                            handlePurchaseItemChange(
-                              idx,
-                              'warehouse_id',
-                              e.target.value
-                            )
+                          value={item.warehouse}
+                          onChange={(val) => {
+                            const warehouse = val as OptionType | null;
+                            formik.setFieldValue(
+                              `purchase_items.${idx}.warehouse`,
+                              warehouse
+                            );
+                            formik.setFieldValue(
+                              `purchase_items.${idx}.warehouse_id`,
+                              (warehouse as OptionType)?.value || 0
+                            );
+                          }}
+                          options={warehouseOptions}
+                          onInputChange={setWarehouseSelectInputValue}
+                          isLoading={isLoadingWarehouses}
+                          isError={
+                            getPurchaseItemError(idx, 'warehouse_id').isError
                           }
-                          onBlur={formik.handleBlur}
-                          type='number'
-                          placeholder='Masukkan Warehouse ID'
-                          readOnly={type === 'detail'}
+                          errorMessage={
+                            getPurchaseItemError(idx, 'warehouse_id')
+                              .errorMessage
+                          }
+                          isDisabled={type === 'detail'}
+                          isClearable
+                          placeholder='Pilih Gudang'
                           className={{
-                            wrapper: 'min-w-24',
+                            wrapper: 'min-w-32',
                           }}
                         />
                       </td>
                       <td>
-                        <TextInput
-                          name={`purchase_items.${idx}.product_warehouse_id`}
-                          value={item.product_warehouse_id || ''}
-                          onChange={(e) =>
-                            handlePurchaseItemChange(
-                              idx,
-                              'product_warehouse_id',
-                              e.target.value
-                            )
+                        <SelectInput
+                          required
+                          value={item.product_warehouse}
+                          onChange={(val) => {
+                            const productWarehouse =
+                              val as ProductWarehouseOptionType | null;
+                            formik.setFieldValue(
+                              `purchase_items.${idx}.product_warehouse`,
+                              productWarehouse
+                            );
+                            formik.setFieldValue(
+                              `purchase_items.${idx}.product_warehouse_id`,
+                              (productWarehouse as ProductWarehouseOptionType)
+                                ?.value || 0
+                            );
+                            formik.setFieldValue(
+                              `purchase_items.${idx}.product_id`,
+                              (productWarehouse as ProductWarehouseOptionType)
+                                ?.product_id || 0
+                            );
+                          }}
+                          options={productWarehouseOptions}
+                          onInputChange={setProductWarehouseSelectInputValue}
+                          isLoading={isLoadingProductWarehouses}
+                          isError={
+                            getPurchaseItemError(idx, 'product_warehouse_id')
+                              .isError
                           }
-                          onBlur={formik.handleBlur}
-                          type='number'
-                          placeholder='Product Warehouse ID'
-                          readOnly={type === 'detail'}
+                          errorMessage={
+                            getPurchaseItemError(idx, 'product_warehouse_id')
+                              .errorMessage
+                          }
+                          isDisabled={type === 'detail'}
+                          isClearable
+                          placeholder='Pilih Produk'
                           className={{
-                            wrapper: 'min-w-24',
+                            wrapper: 'min-w-32',
                           }}
                         />
                       </td>