(대표님) rfq, 계약, 서명 등

1 files changed, 995 insertions, 0 deletions

diff --git a/lib/itb/table/create-purchase-request-dialog.tsx b/lib/itb/table/create-purchase-request-dialog.tsx
new file mode 100644
index 00000000..27b8a342
--- /dev/null
+++ b/lib/itb/table/create-purchase-request-dialog.tsx
@@ -0,0 +1,995 @@
+// components/purchase-requests/create-purchase-request-dialog.tsx
+"use client";
+
+import * as React from "react";
+import { useForm, useFieldArray } from "react-hook-form";
+import { zodResolver } from "@hookform/resolvers/zod";
+import * as z from "zod";
+import {
+  Dialog,
+  DialogContent,
+  DialogDescription,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+} from "@/components/ui/dialog";
+import {
+  Form,
+  FormControl,
+  FormDescription,
+  FormField,
+  FormItem,
+  FormLabel,
+  FormMessage,
+} from "@/components/ui/form";
+import { Input } from "@/components/ui/input";
+import { Textarea } from "@/components/ui/textarea";
+import { Button } from "@/components/ui/button";
+import { Calendar } from "@/components/ui/calendar";
+import {
+  Popover,
+  PopoverContent,
+  PopoverTrigger,
+} from "@/components/ui/popover";
+import {
+  Table,
+  TableBody,
+  TableCell,
+  TableHead,
+  TableHeader,
+  TableRow,
+} from "@/components/ui/table";
+import {
+  Tabs,
+  TabsContent,
+  TabsList,
+  TabsTrigger,
+} from "@/components/ui/tabs";
+import {
+  Card,
+  CardContent,
+  CardDescription,
+  CardHeader,
+  CardTitle,
+} from "@/components/ui/card";
+import { ProjectSelector } from "@/components/ProjectSelector";
+import { PackageSelector } from "@/components/PackageSelector";
+import type { PackageItem } from "@/lib/items/service";
+import { MaterialGroupSelector } from "@/components/common/material/material-group-selector";
+import {
+  Dropzone,
+  DropzoneDescription,
+  DropzoneInput,
+  DropzoneTitle,
+  DropzoneUploadIcon,
+  DropzoneZone,
+} from "@/components/ui/dropzone";
+import {
+  FileList,
+  FileListAction,
+  FileListDescription,
+  FileListHeader,
+  FileListIcon,
+  FileListInfo,
+  FileListItem,
+  FileListName,
+  FileListSize,
+} from "@/components/ui/file-list";
+import { Progress } from "@/components/ui/progress";
+import { Alert, AlertDescription } from "@/components/ui/alert";
+import { CalendarIcon, X, Plus, FileText, Package, Trash2, Upload, FileIcon, AlertCircle, Paperclip } from "lucide-react";
+import { format } from "date-fns";
+import { cn } from "@/lib/utils";
+import { createPurchaseRequest } from "../service";
+import { toast } from "sonner";
+import { nanoid } from "nanoid";
+
+const attachmentSchema = z.object({
+  fileName: z.string(),
+  originalFileName: z.string(),
+  filePath: z.string(),
+  fileSize: z.number(),
+  fileType: z.string(),
+});
+
+const itemSchema = z.object({
+  id: z.string(),
+  itemCode: z.string(),
+  itemName: z.string().min(1, "아이템명을 입력해주세요"),
+  specification: z.string().default(""),
+  quantity: z.coerce.number().min(1, "수량은 1 이상이어야 합니다"),
+  unit: z.string().min(1, "단위를 입력해주세요"),
+  estimatedUnitPrice: z.coerce.number().optional(),
+  remarks: z.string().optional(),
+});
+
+const formSchema = z.object({
+  requestTitle: z.string().min(1, "요청 제목을 입력해주세요"),
+  requestDescription: z.string().optional(),
+  projectId: z.number({
+    required_error: "프로젝트를 선택해주세요",
+  }),
+  projectCode: z.string().min(1),
+  projectName: z.string().min(1),
+  projectCompany: z.string().optional(),
+  projectSite: z.string().optional(),
+  classNo: z.string().optional(),
+  packageNo: z.string({
+    required_error: "패키지를 선택해주세요",
+  }).min(1, "패키지를 선택해주세요"),
+  packageName: z.string().min(1),
+  majorItemMaterialCategory: z.string({
+    required_error: "자재그룹을 선택해주세요",
+  }).min(1, "자재그룹을 선택해주세요"),
+  majorItemMaterialDescription: z.string().min(1),
+  smCode: z.string({
+    required_error: "SM 코드가 필요합니다",
+  }).min(1, "SM 코드가 필요합니다"),
+  estimatedBudget: z.string().optional(),
+  requestedDeliveryDate: z.date().optional(),
+  items: z.array(itemSchema).optional().default([]),
+  attachments: z.array(attachmentSchema).min(1, "최소 1개 이상의 파일을 첨부해주세요"),
+});
+
+type FormData = z.infer<typeof formSchema>;
+
+interface CreatePurchaseRequestDialogProps {
+  open: boolean;
+  onOpenChange: (open: boolean) => void;
+  onSuccess?: () => void;
+}
+
+export function CreatePurchaseRequestDialog({
+  open,
+  onOpenChange,
+  onSuccess,
+}: CreatePurchaseRequestDialogProps) {
+  const [isLoading, setIsLoading] = React.useState(false);
+  const [activeTab, setActiveTab] = React.useState("basic");
+  const [selectedPackage, setSelectedPackage] = React.useState<PackageItem | null>(null);
+  const [selectedMaterials, setSelectedMaterials] = React.useState<any[]>([]);
+  const [resetKey, setResetKey] = React.useState(0);
+  const [uploadedFiles, setUploadedFiles] = React.useState<File[]>([]);
+  const [isUploading, setIsUploading] = React.useState(false);
+  const [uploadProgress, setUploadProgress] = React.useState(0);
+
+  const form = useForm<FormData>({
+    resolver: zodResolver(formSchema),
+    mode: "onChange",
+    criteriaMode: "all",
+    defaultValues: {
+      requestTitle: "",
+      requestDescription: "",
+      projectId: undefined,
+      projectCode: "",
+      projectName: "",
+      projectCompany: "",
+      projectSite: "",
+      classNo: "",
+      packageNo: "",
+      packageName: "",
+      majorItemMaterialCategory: "",
+      majorItemMaterialDescription: "",
+      smCode: "",
+      estimatedBudget: "",
+      requestedDeliveryDate: undefined,
+      items: [],
+      attachments: [],
+    },
+  });
+
+  const { fields, append, remove } = useFieldArray({
+    control: form.control,
+    name: "items",
+  });
+
+  // 파일 업로드 핸들러
+  const handleFileUpload = async (files: File[]) => {
+    if (files.length === 0) return;
+
+    setIsUploading(true);
+    setUploadProgress(0);
+
+    try {
+      const formData = new FormData();
+      files.forEach(file => {
+        formData.append("files", file);
+      });
+
+      // 프로그레스 시뮬레이션 (실제로는 XMLHttpRequest 또는 fetch with progress를 사용)
+      const progressInterval = setInterval(() => {
+        setUploadProgress(prev => Math.min(prev + 10, 90));
+      }, 200);
+
+      const response = await fetch("/api/upload/purchase-request", {
+        method: "POST",
+        body: formData,
+      });
+
+      clearInterval(progressInterval);
+      setUploadProgress(100);
+
+      if (!response.ok) {
+        throw new Error("파일 업로드 실패");
+      }
+
+      const data = await response.json();
+      
+      // 업로드된 파일 정보를 상태에 추가
+      const newFiles = [...uploadedFiles, ...data.files];
+      setUploadedFiles(newFiles);
+      
+      // form의 attachments 필드 업데이트
+      form.setValue("attachments", newFiles);
+      
+      toast.success(`${files.length}개 파일이 업로드되었습니다`);
+    } catch (error) {
+      console.error("Upload error:", error);
+      toast.error("파일 업로드 중 오류가 발생했습니다");
+    } finally {
+      setIsUploading(false);
+      setUploadProgress(0);
+    }
+  };
+
+  // 파일 삭제 핸들러
+  const handleFileRemove = (fileName: string) => {
+    const updatedFiles = uploadedFiles.filter(f => f.fileName !== fileName);
+    setUploadedFiles(updatedFiles);
+    form.setValue("attachments", updatedFiles);
+  };
+
+  // 프로젝트 선택 처리
+  const handleProjectSelect = (project: any) => {
+    form.setValue("projectId", project.id);
+    form.setValue("projectCode", project.projectCode);
+    form.setValue("projectName", project.projectName);
+    form.setValue("projectCompany", project.projectCompany);
+    form.setValue("projectSite", project.projectSite);
+    
+    // 프로젝트 변경시 패키지 초기화
+    setSelectedPackage(null);
+    form.setValue("packageNo", "");
+    form.setValue("packageName", "");
+    form.setValue("smCode", "");
+    
+    // requestTitle 업데이트
+    updateRequestTitle(project.projectName, "", "");
+  };
+
+  // 패키지 선택 처리
+  const handlePackageSelect = (packageItem: PackageItem) => {
+    setSelectedPackage(packageItem);
+    form.setValue("packageNo", packageItem.packageCode);
+    form.setValue("packageName", packageItem.description);
+    
+    // SM 코드가 패키지에 있으면 자동 설정
+    if (packageItem.smCode) {
+      form.setValue("smCode", packageItem.smCode);
+    }
+    
+    // requestTitle 업데이트
+    const projectName = form.getValues("projectName");
+    const materialDesc = form.getValues("majorItemMaterialDescription");
+    updateRequestTitle(projectName, packageItem.description, materialDesc);
+  };
+
+  // 자재그룹 선택 처리
+  const handleMaterialsChange = (materials: any[]) => {
+    setSelectedMaterials(materials);
+    if (materials.length > 0) {
+      const material = materials[0]; // single select이므로 첫번째 항목만
+      form.setValue("majorItemMaterialCategory", material.materialGroupCode);
+      form.setValue("majorItemMaterialDescription", material.materialGroupDescription);
+      
+      // requestTitle 업데이트
+      const projectName = form.getValues("projectName");
+      const packageName = form.getValues("packageName");
+      updateRequestTitle(projectName, packageName, material.materialGroupDescription);
+    } else {
+      form.setValue("majorItemMaterialCategory", "");
+      form.setValue("majorItemMaterialDescription", "");
+    }
+  };
+
+  // requestTitle 자동 생성
+  const updateRequestTitle = (projectName: string, packageName: string, materialDesc: string) => {
+    const parts = [];
+    if (projectName) parts.push(projectName);
+    if (packageName) parts.push(packageName);
+    if (materialDesc) parts.push(materialDesc);
+    
+    if (parts.length > 0) {
+      const title = `${parts.join(" - ")} 구매 요청`;
+      form.setValue("requestTitle", title);
+    }
+  };
+
+  const addItem = () => {
+    append({
+      id: nanoid(),
+      itemCode: "",
+      itemName: "",
+      specification: "",
+      quantity: 1,
+      unit: "개",
+      estimatedUnitPrice: undefined,
+      remarks: "",
+    });
+  };
+
+  const calculateTotal = () => {
+    const items = form.watch("items");
+    return items?.reduce((sum, item) => {
+      const subtotal = (item.quantity || 0) * (item.estimatedUnitPrice || 0);
+      return sum + subtotal;
+    }, 0) || 0;
+  };
+
+  const onSubmit = async (values: FormData) => {
+    try {
+      setIsLoading(true);
+      
+      const result = await createPurchaseRequest({
+        ...values,
+        items: values.items,
+        attachments: uploadedFiles, // 첨부파일 포함
+      });
+      
+      if (result.error) {
+        toast.error(result.error);
+        return;
+      }
+      
+      toast.success("구매 요청이 등록되었습니다");
+      handleClose();
+      onSuccess?.();
+    } catch (error) {
+      toast.error("구매 요청 등록에 실패했습니다");
+      console.error(error);
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  const handleClose = () => {
+    form.reset({
+      requestTitle: "",
+      requestDescription: "",
+      projectId: undefined,
+      projectCode: "",
+      projectName: "",
+      projectCompany: "",
+      projectSite: "",
+      classNo: "",
+      packageNo: "",
+      packageName: "",
+      majorItemMaterialCategory: "",
+      majorItemMaterialDescription: "",
+      smCode: "",
+      estimatedBudget: "",
+      requestedDeliveryDate: undefined,
+      items: [],
+      attachments: [],
+    });
+    setSelectedPackage(null);
+    setSelectedMaterials([]);
+    setUploadedFiles([]);
+    setActiveTab("basic");
+    setResetKey((k) => k + 1);
+    onOpenChange(false);
+  };
+  
+  return (
+    <Dialog open={open} onOpenChange={handleClose}>
+      <DialogContent key={resetKey} className="max-w-5xl h-[85vh] overflow-hidden flex flex-col min-h-0">
+        <DialogHeader>
+          <DialogTitle>새 구매 요청</DialogTitle>
+          <DialogDescription>
+            구매가 필요한 품목과 관련 정보를 입력해주세요
+          </DialogDescription>
+        </DialogHeader>
+
+        <Form {...form}>
+          <form onSubmit={form.handleSubmit(onSubmit)} className="flex-1 overflow-hidden flex flex-col min-h-0">
+            <Tabs value={activeTab} onValueChange={setActiveTab} className="flex-1 flex flex-col min-h-0">
+              <TabsList className="grid w-full grid-cols-3 flex-shrink-0">
+                <TabsTrigger value="basic">
+                  <FileText className="mr-2 h-4 w-4" />
+                  기본 정보
+                </TabsTrigger>
+                <TabsTrigger value="items">
+                  <Package className="mr-2 h-4 w-4" />
+                  품목 정보
+                  {fields.length > 0 && (
+                    <span className="ml-2 rounded-full bg-primary px-2 py-0.5 text-xs text-primary-foreground">
+                      {fields.length}
+                    </span>
+                  )}
+                </TabsTrigger>
+                <TabsTrigger value="files">
+                  <Paperclip className="mr-2 h-4 w-4" />
+                  첨부파일
+                  {uploadedFiles.length > 0 && (
+                    <span className="ml-2 rounded-full bg-primary px-2 py-0.5 text-xs text-primary-foreground">
+                      {uploadedFiles.length}
+                    </span>
+                  )}
+                </TabsTrigger>
+              </TabsList>
+
+              <div className="flex-1 overflow-y-auto px-1 min-h-0">
+                <TabsContent value="basic" className="space-y-6 mt-6">
+                  {/* 프로젝트 선택 */}
+                  <Card>
+                    <CardHeader>
+                      <CardTitle className="text-base">프로젝트 정보 <span className="text-red-500">*</span></CardTitle>
+                      <CardDescription>프로젝트, 패키지, 자재그룹을 순서대로 선택하세요</CardDescription>
+                    </CardHeader>
+                    <CardContent className="space-y-4">
+                      {/* 프로젝트 선택 */}
+                      <FormField
+                        control={form.control}
+                        name="projectId"
+                        render={({ field }) => (
+                          <FormItem>
+                            <FormLabel>프로젝트 <span className="text-red-500">*</span></FormLabel>
+                            <ProjectSelector
+                              key={`project-${resetKey}`}
+                              selectedProjectId={field.value}
+                              onProjectSelect={handleProjectSelect}
+                              placeholder="프로젝트를 검색하여 선택..."
+                            />
+                            <FormMessage />
+                          </FormItem>
+                        )}
+                      />
+
+                      {/* 패키지 선택 */}
+                      <FormField
+                        control={form.control}
+                        name="packageNo"
+                        render={({ field }) => (
+                          <FormItem>
+                            <FormLabel>패키지 <span className="text-red-500">*</span></FormLabel>
+                            <PackageSelector
+                              projectNo={form.watch("projectCode")}
+                              selectedPackage={selectedPackage}
+                              onPackageSelect={handlePackageSelect}
+                              placeholder="패키지 선택..."
+                            />
+                            <FormMessage />
+                          </FormItem>
+                        )}
+                      />
+
+                      {/* 자재그룹 선택 */}
+                      <FormField
+                        control={form.control}
+                        name="majorItemMaterialCategory"
+                        render={({ field }) => (
+                          <FormItem>
+                            <FormLabel>자재그룹 <span className="text-red-500">*</span></FormLabel>
+                            <MaterialGroupSelector
+                              selectedMaterials={selectedMaterials}
+                              onMaterialsChange={handleMaterialsChange}
+                              singleSelect={true}
+                              placeholder="자재그룹을 검색하세요..."
+                              noValuePlaceHolder="자재그룹을 선택해주세요"
+                            />
+                            <FormMessage />
+                          </FormItem>
+                        )}
+                      />
+
+                      {/* SM 코드 */}
+                      <FormField
+                        control={form.control}
+                        name="smCode"
+                        render={({ field }) => (
+                          <FormItem>
+                            <FormLabel>SM 코드 <span className="text-red-500">*</span></FormLabel>
+                            <FormControl>
+                              <Input 
+                                placeholder="SM 코드 입력" 
+                                {...field} 
+                              />
+                            </FormControl>
+                            <FormMessage />
+                          </FormItem>
+                        )}
+                      />
+
+                      {/* 선택된 정보 표시 */}
+                      {form.watch("projectId") && (
+                        <div className="grid grid-cols-2 gap-4 pt-4 border-t">
+                          <div>
+                            <p className="text-sm text-muted-foreground">프로젝트 코드</p>
+                            <p className="font-medium">{form.watch("projectCode") || "-"}</p>
+                          </div>
+                          <div>
+                            <p className="text-sm text-muted-foreground">프로젝트명</p>
+                            <p className="font-medium">{form.watch("projectName") || "-"}</p>
+                          </div>
+                          <div>
+                            <p className="text-sm text-muted-foreground">발주처</p>
+                            <p className="font-medium">{form.watch("projectCompany") || "-"}</p>
+                          </div>
+                          <div>
+                            <p className="text-sm text-muted-foreground">현장</p>
+                            <p className="font-medium">{form.watch("projectSite") || "-"}</p>
+                          </div>
+                        </div>
+                      )}
+                    </CardContent>
+                  </Card>
+
+                  {/* 기본 정보 */}
+                  <div className="space-y-4">
+                    <FormField
+                      control={form.control}
+                      name="requestTitle"
+                      render={({ field }) => (
+                        <FormItem>
+                          <FormLabel>요청 제목 <span className="text-red-500">*</span></FormLabel>
+                          <FormControl>
+                            <Input 
+                              placeholder="예: 프로젝트 A용 밸브 구매" 
+                              {...field} 
+                            />
+                          </FormControl>
+                          <FormDescription>
+                            자동 생성된 제목을 수정할 수 있습니다
+                          </FormDescription>
+                          <FormMessage />
+                        </FormItem>
+                      )}
+                    />
+
+                    <FormField
+                      control={form.control}
+                      name="requestDescription"
+                      render={({ field }) => (
+                        <FormItem>
+                          <FormLabel>요청 설명</FormLabel>
+                          <FormControl>
+                            <Textarea 
+                              placeholder="구매 요청에 대한 상세 설명을 입력하세요"
+                              className="min-h-[100px]"
+                              {...field} 
+                            />
+                          </FormControl>
+                          <FormMessage />
+                        </FormItem>
+                      )}
+                    />
+                  </div>
+
+                  {/* 예산 및 납기 */}
+                  <div className="space-y-4">
+                    <h3 className="text-sm font-medium">예산 및 납기</h3>
+                    <div className="grid grid-cols-2 gap-4">
+                      <FormField
+                        control={form.control}
+                        name="estimatedBudget"
+                        render={({ field }) => (
+                          <FormItem>
+                            <FormLabel>예상 예산</FormLabel>
+                            <FormControl>
+                              <Input placeholder="예: 10,000,000원" {...field} />
+                            </FormControl>
+                            <FormDescription>
+                              전체 구매 예상 예산을 입력하세요
+                            </FormDescription>
+                          </FormItem>
+                        )}
+                      />
+
+                      <FormField
+                        control={form.control}
+                        name="requestedDeliveryDate"
+                        render={({ field }) => (
+                          <FormItem>
+                            <FormLabel>희망 납기일</FormLabel>
+                            <Popover>
+                              <PopoverTrigger asChild>
+                                <FormControl>
+                                  <Button
+                                    variant="outline"
+                                    className={cn(
+                                      "w-full pl-3 text-left font-normal",
+                                      !field.value && "text-muted-foreground"
+                                    )}
+                                  >
+                                    {field.value ? (
+                                      format(field.value, "yyyy-MM-dd")
+                                    ) : (
+                                      <span>날짜 선택</span>
+                                    )}
+                                    <CalendarIcon className="ml-auto h-4 w-4 opacity-50" />
+                                  </Button>
+                                </FormControl>
+                              </PopoverTrigger>
+                              <PopoverContent className="w-auto p-0" align="start">
+                                <Calendar
+                                  mode="single"
+                                  selected={field.value}
+                                  onSelect={field.onChange}
+                                  disabled={(date) => date < new Date()}
+                                />
+                              </PopoverContent>
+                            </Popover>
+                            <FormDescription>
+                              자재가 필요한 날짜를 선택하세요
+                            </FormDescription>
+                          </FormItem>
+                        )}
+                      />
+                    </div>
+                  </div>
+                </TabsContent>
+
+                <TabsContent value="items" className="space-y-4 mt-6">
+                  {/* 품목 목록 */}
+                  <div className="flex justify-between items-center">
+                    <h3 className="text-sm font-medium">품목 목록</h3>
+                    <Button
+                      type="button"
+                      variant="outline"
+                      size="sm"
+                      onClick={addItem}
+                    >
+                      <Plus className="mr-2 h-4 w-4" />
+                      품목 추가
+                    </Button>
+                  </div>
+
+                  {fields.length === 0 ? (
+                    <Card>
+                      <CardContent className="flex flex-col items-center justify-center py-8">
+                        <Package className="h-12 w-12 text-muted-foreground mb-4" />
+                        <p className="text-sm text-muted-foreground mb-4">
+                          아직 추가된 품목이 없습니다
+                        </p>
+                        <Button
+                          type="button"
+                          variant="outline"
+                          size="sm"
+                          onClick={addItem}
+                        >
+                          <Plus className="mr-2 h-4 w-4" />
+                          첫 품목 추가
+                        </Button>
+                      </CardContent>
+                    </Card>
+                  ) : (
+                    <div className="border rounded-lg">
+                      <Table>
+                        <TableHeader>
+                          <TableRow>
+                            <TableHead className="w-[120px]">아이템 코드</TableHead>
+                            <TableHead className="w-[150px]">아이템명 <span className="text-red-500">*</span></TableHead>
+                            <TableHead>사양</TableHead>
+                            <TableHead className="w-[80px]">수량 <span className="text-red-500">*</span></TableHead>
+                            <TableHead className="w-[80px]">단위 <span className="text-red-500">*</span></TableHead>
+                            <TableHead className="w-[120px]">예상 단가</TableHead>
+                            <TableHead className="w-[120px]">예상 금액</TableHead>
+                            <TableHead>비고</TableHead>
+                            <TableHead className="w-[50px]"></TableHead>
+                          </TableRow>
+                        </TableHeader>
+                        <TableBody>
+                          {fields.map((field, index) => (
+                            <TableRow key={field.id}>
+                              <TableCell>
+                                <FormField
+                                  control={form.control}
+                                  name={`items.${index}.itemCode`}
+                                  render={({ field }) => (
+                                    <FormItem>
+                                      <FormControl>
+                                        <Input 
+                                          placeholder="코드" 
+                                          {...field} 
+                                          className="h-8"
+                                        />
+                                      </FormControl>
+                                      <FormMessage />
+                                    </FormItem>
+                                  )}
+                                />
+                              </TableCell>
+                              <TableCell>
+                                <FormField
+                                  control={form.control}
+                                  name={`items.${index}.itemName`}
+                                  render={({ field }) => (
+                                    <FormItem>
+                                      <FormControl>
+                                        <Input 
+                                          placeholder="아이템명" 
+                                          {...field} 
+                                          className="h-8"
+                                        />
+                                      </FormControl>
+                                      <FormMessage />
+                                    </FormItem>
+                                  )}
+                                />
+                              </TableCell>
+                              <TableCell>
+                                <FormField
+                                  control={form.control}
+                                  name={`items.${index}.specification`}
+                                  render={({ field }) => (
+                                    <FormItem>
+                                      <FormControl>
+                                        <Input 
+                                          placeholder="사양" 
+                                          {...field} 
+                                          className="h-8"
+                                        />
+                                      </FormControl>
+                                    </FormItem>
+                                  )}
+                                />
+                              </TableCell>
+                              <TableCell>
+                                <FormField
+                                  control={form.control}
+                                  name={`items.${index}.quantity`}
+                                  render={({ field }) => (
+                                    <FormItem>
+                                      <FormControl>
+                                        <Input 
+                                          type="number" 
+                                          min="1"
+                                          {...field} 
+                                          className="h-8"
+                                        />
+                                      </FormControl>
+                                      <FormMessage />
+                                    </FormItem>
+                                  )}
+                                />
+                              </TableCell>
+                              <TableCell>
+                                <FormField
+                                  control={form.control}
+                                  name={`items.${index}.unit`}
+                                  render={({ field }) => (
+                                    <FormItem>
+                                      <FormControl>
+                                        <Input 
+                                          placeholder="개" 
+                                          {...field} 
+                                          className="h-8"
+                                        />
+                                      </FormControl>
+                                      <FormMessage />
+                                    </FormItem>
+                                  )}
+                                />
+                              </TableCell>
+                              <TableCell>
+                                <FormField
+                                  control={form.control}
+                                  name={`items.${index}.estimatedUnitPrice`}
+                                  render={({ field }) => (
+                                    <FormItem>
+                                      <FormControl>
+                                        <Input 
+                                          type="number" 
+                                          min="0"
+                                          placeholder="0" 
+                                          {...field} 
+                                          className="h-8"
+                                        />
+                                      </FormControl>
+                                    </FormItem>
+                                  )}
+                                />
+                              </TableCell>
+                              <TableCell>
+                                <div className="text-right font-medium">
+                                  {new Intl.NumberFormat('ko-KR').format(
+                                    (form.watch(`items.${index}.quantity`) || 0) * 
+                                    (form.watch(`items.${index}.estimatedUnitPrice`) || 0)
+                                  )}
+                                </div>
+                              </TableCell>
+                              <TableCell>
+                                <FormField
+                                  control={form.control}
+                                  name={`items.${index}.remarks`}
+                                  render={({ field }) => (
+                                    <FormItem>
+                                      <FormControl>
+                                        <Input 
+                                          placeholder="비고" 
+                                          {...field} 
+                                          className="h-8"
+                                        />
+                                      </FormControl>
+                                    </FormItem>
+                                  )}
+                                />
+                              </TableCell>
+                              <TableCell>
+                                <Button
+                                  type="button"
+                                  variant="ghost"
+                                  size="icon"
+                                  className="h-8 w-8"
+                                  onClick={() => remove(index)}
+                                  disabled={fields.length === 1}
+                                >
+                                  <Trash2 className="h-4 w-4" />
+                                </Button>
+                              </TableCell>
+                            </TableRow>
+                          ))}
+                        </TableBody>
+                      </Table>
+                      
+                      <div className="flex justify-between items-center p-4 border-t bg-muted/30">
+                        <div className="text-sm text-muted-foreground">
+                          총 {fields.length}개 품목
+                        </div>
+                        <div className="text-right">
+                          <p className="text-sm text-muted-foreground">예상 총액</p>
+                          <p className="text-lg font-semibold">
+                            {new Intl.NumberFormat('ko-KR', {
+                              style: 'currency',
+                              currency: 'KRW'
+                            }).format(calculateTotal())}
+                          </p>
+                        </div>
+                      </div>
+                    </div>
+                  )}
+                </TabsContent>
+
+                <TabsContent value="files" className="space-y-4 mt-6">
+                  {/* 파일 업로드 영역 */}
+                  <Card>
+                    <CardHeader>
+                      <CardTitle className="text-base">첨부파일 업로드 <span className="text-red-500">*</span></CardTitle>
+                      <CardDescription>
+                        설계 도면, 사양서, 견적서 등 구매 요청 관련 문서를 업로드하세요 (필수)
+                      </CardDescription>
+                    </CardHeader>
+                    <CardContent className="space-y-4">
+                      {/* 필수 알림 */}
+                      <FormField
+                        control={form.control}
+                        name="attachments"
+                        render={({ field }) => (
+                          <FormItem>
+                            <FormMessage />
+                          </FormItem>
+                        )}
+                      />
+
+                      {/* 업로드 진행 상태 */}
+                      {isUploading && (
+                        <Alert>
+                          <AlertCircle className="h-4 w-4" />
+                          <AlertDescription className="space-y-2">
+                            <p>파일을 업로드 중입니다...</p>
+                            <Progress value={uploadProgress} className="w-full" />
+                          </AlertDescription>
+                        </Alert>
+                      )}
+
+                      {/* Dropzone */}
+                      <Dropzone
+                        onDrop={handleFileUpload}
+                        accept={{
+                          'application/pdf': ['.pdf'],
+                          'application/vnd.ms-excel': ['.xls'],
+                          'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet': ['.xlsx'],
+                          'application/msword': ['.doc'],
+                          'application/vnd.openxmlformats-officedocument.wordprocessingml.document': ['.docx'],
+                          'image/*': ['.png', '.jpg', '.jpeg', '.gif'],
+                          'application/x-zip-compressed': ['.zip'],
+                          'application/x-rar-compressed': ['.rar'],
+                        }}
+                        maxSize={50 * 1024 * 1024} // 50MB
+                        disabled={isUploading}
+                      >
+                        <DropzoneInput />
+                        <DropzoneZone>
+                          <DropzoneUploadIcon className="h-12 w-12 text-muted-foreground mb-4" />
+                          <DropzoneTitle>
+                            파일을 드래그하거나 클릭하여 선택하세요
+                          </DropzoneTitle>
+                          <DropzoneDescription>
+                            PDF, Excel, Word, 이미지 파일 등을 업로드할 수 있습니다 (최대 50MB)
+                          </DropzoneDescription>
+                        </DropzoneZone>
+                      </Dropzone>
+
+                      {/* 업로드된 파일 목록 */}
+                      {uploadedFiles.length > 0 && (
+                        <div className="space-y-2">
+                          <div className="flex items-center justify-between">
+                            <h4 className="text-sm font-medium">업로드된 파일</h4>
+                            <span className="text-sm text-muted-foreground">
+                              총 {uploadedFiles.length}개 파일
+                            </span>
+                          </div>
+                          
+                          <FileList>
+                            {uploadedFiles.map((file) => (
+                              <FileListItem key={file.fileName}>
+                                <FileListIcon>
+                                  <FileIcon className="h-4 w-4" />
+                                </FileListIcon>
+                                <FileListInfo>
+                                  <FileListHeader>
+                                    <FileListName>
+                                      {file.originalFileName}
+                                    </FileListName>
+                                    <FileListSize>
+                                      {file.fileSize}
+                                    </FileListSize>
+                                  </FileListHeader>
+                                </FileListInfo>
+                                <FileListAction>
+                                  <Button
+                                    variant="ghost"
+                                    size="icon"
+                                    className="h-8 w-8"
+                                    onClick={() => handleFileRemove(file.fileName)}
+                                    disabled={isLoading || isUploading}
+                                  >
+                                    <X className="h-4 w-4" />
+                                  </Button>
+                                </FileListAction>
+                              </FileListItem>
+                            ))}
+                          </FileList>
+                        </div>
+                      )}
+
+                      {/* 파일 업로드 안내 */}
+                      <Alert>
+                        <AlertCircle className="h-4 w-4" />
+                        <AlertDescription>
+                          <ul className="list-disc list-inside space-y-1 text-sm">
+                            <li className="font-medium">최소 1개 이상의 파일 첨부가 필수입니다</li>
+                            <li>최대 파일 크기: 50MB</li>
+                            <li>지원 형식: PDF, Excel, Word, 이미지 파일</li>
+                            <li>여러 파일을 한 번에 선택하여 업로드할 수 있습니다</li>
+                          </ul>
+                        </AlertDescription>
+                      </Alert>
+                    </CardContent>
+                  </Card>
+                </TabsContent>
+              </div>
+            </Tabs>
+
+            <DialogFooter className="mt-6">
+              <Button
+                type="button"
+                variant="outline"
+                onClick={handleClose}
+                disabled={isLoading || isUploading}
+              >
+                취소
+              </Button>
+              <Button 
+                type="submit" 
+                disabled={isLoading || isUploading || !form.formState.isValid}
+              >
+                {isLoading ? "등록 중..." : "구매요청 등록"}
+              </Button>
+            </DialogFooter>
+          </form>
+        </Form>
+      </DialogContent>
+    </Dialog>
+  );
+}
\ No newline at end of file