1 files changed, 20 insertions, 5 deletions
diff --git a/lib/bidding/detail/table/bidding-detail-vendor-edit-dialog.tsx b/lib/bidding/detail/table/bidding-detail-vendor-edit-dialog.tsx
index 1a1b331e..6e5481f4 100644
--- a/lib/bidding/detail/table/bidding-detail-vendor-edit-dialog.tsx
+++ b/lib/bidding/detail/table/bidding-detail-vendor-edit-dialog.tsx
@@ -24,6 +24,7 @@ interface BiddingDetailVendorEditDialogProps {
   onSuccess: () => void
   biddingAwardCount?: string // 낙찰수 정보 추가
   biddingStatus?: string // 입찰 상태 정보 추가
+  allVendors?: QuotationVendor[] // 전체 벤더 목록 추가
 }
 
 export function BiddingDetailVendorEditDialog({
@@ -32,7 +33,8 @@ export function BiddingDetailVendorEditDialog({
   onOpenChange,
   onSuccess,
   biddingAwardCount,
-  biddingStatus
+  biddingStatus,
+  allVendors = []
 }: BiddingDetailVendorEditDialogProps) {
   const { toast } = useToast()
   const [isPending, startTransition] = useTransition()
@@ -42,6 +44,14 @@ export function BiddingDetailVendorEditDialog({
     awardRatio: 0,
   })
 
+  // 단수낙찰의 경우 이미 100%인 벤더가 있는지 확인
+  const hasWinnerWith100Percent = React.useMemo(() => {
+    if (biddingAwardCount === 'single') {
+      return allVendors.some(v => v.awardRatio === 100 && v.id !== vendor?.id)
+    }
+    return false
+  }, [allVendors, biddingAwardCount, vendor?.id])
+
   // vendor가 변경되면 폼 데이터 업데이트
   React.useEffect(() => {
     if (vendor) {
@@ -135,7 +145,7 @@ export function BiddingDetailVendorEditDialog({
               value={formData.awardRatio}
               onChange={(e) => setFormData({ ...formData, awardRatio: Number(e.target.value) })}
               placeholder="발주비율을 입력하세요"
-              disabled={vendor?.isBiddingParticipated !== true || biddingAwardCount === 'single' || biddingStatus === 'vendor_selected'}
+              disabled={vendor?.isBiddingParticipated !== true || biddingAwardCount === 'single' || biddingStatus === 'vendor_selected' || hasWinnerWith100Percent}
             />
             {vendor?.isBiddingParticipated !== true && (
               <p className="text-sm text-muted-foreground">
@@ -152,15 +162,20 @@ export function BiddingDetailVendorEditDialog({
                 낙찰이 완료되어 발주비율을 수정할 수 없습니다.
               </p>
             )}
+            {hasWinnerWith100Percent && (
+              <p className="text-sm text-orange-600">
+                단수 낙찰의 경우 이미 100% 발주비율이 설정된 업체가 있어 다른 업체의 발주비율을 수정할 수 없습니다.
+              </p>
+            )}
           </div>
         </div>
         <DialogFooter>
           <Button variant="outline" onClick={() => onOpenChange(false)}>
             취소
           </Button>
-          <Button 
-            onClick={handleEdit} 
-            disabled={isPending || vendor?.isBiddingParticipated !== true}
+          <Button
+            onClick={handleEdit}
+            disabled={isPending || vendor?.isBiddingParticipated !== true || hasWinnerWith100Percent}
           >
             산정
           </Button>