공지사항 작업, 등록폼 디자인 수정1

src/app/admin/notices/page.tsx

@@ -1,21 +1,95 @@
 'use client';
 
-import { useState, useMemo } from "react";
+import { useState, useMemo, useRef, ChangeEvent } from "react";
 import AdminSidebar from "@/app/components/AdminSidebar";
 import ChevronDownSvg from "@/app/svgs/chevrondownsvg";
+import BackArrowSvg from "@/app/svgs/backarrow";
+import { MOCK_NOTICES, type Notice } from "@/app/admin/notices/mockData";
 
 export default function AdminNoticesPage() {
-  // TODO: 나중에 실제 데이터로 교체
-  const items: any[] = [];
+  const [notices, setNotices] = useState<Notice[]>(MOCK_NOTICES);
   const [currentPage, setCurrentPage] = useState(1);
+  const [isWritingMode, setIsWritingMode] = useState(false);
+  const [title, setTitle] = useState('');
+  const [content, setContent] = useState('');
+  const [attachedFile, setAttachedFile] = useState<File | null>(null);
+  const fileInputRef = useRef<HTMLInputElement>(null);
+  
+  const totalCount = useMemo(() => notices.length, [notices]);
+  
+  const characterCount = useMemo(() => content.length, [content]);
+  
+  const handleBack = () => {
+    setIsWritingMode(false);
+    setTitle('');
+    setContent('');
+    setAttachedFile(null);
+  };
+  
+  const handleFileAttach = () => {
+    fileInputRef.current?.click();
+  };
+  
+  const handleFileChange = (e: ChangeEvent<HTMLInputElement>) => {
+    const file = e.target.files?.[0];
+    if (file) {
+      if (file.size > 30 * 1024 * 1024) {
+        alert('30MB 미만의 파일만 첨부할 수 있습니다.');
+        return;
+      }
+      setAttachedFile(file);
+    }
+  };
+  
+  const handleSave = () => {
+    if (!title.trim()) {
+      alert('제목을 입력해주세요.');
+      return;
+    }
+    if (!content.trim()) {
+      alert('내용을 입력해주세요.');
+      return;
+    }
+    
+    // 새 공지사항 추가
+    const newNotice: Notice = {
+      id: notices.length > 0 ? Math.max(...notices.map(n => n.id)) + 1 : 1,
+      title: title.trim(),
+      date: new Date().toISOString().split('T')[0],
+      views: 0,
+      writer: '관리자', // TODO: 실제 작성자 정보 사용
+      content: content.split('\n'),
+      hasAttachment: attachedFile !== null,
+    };
+    
+    setNotices([newNotice, ...notices]);
+    handleBack();
+  };
+  
+  const handleCancel = () => {
+    if (title.trim() || content.trim() || attachedFile) {
+      if (confirm('작성 중인 내용이 있습니다. 정말 취소하시겠습니까?')) {
+        handleBack();
+      }
+    } else {
+      handleBack();
+    }
+  };
   
   const ITEMS_PER_PAGE = 10;
-  const totalPages = Math.ceil(items.length / ITEMS_PER_PAGE);
-  const paginatedItems = useMemo(() => {
+  const sortedNotices = useMemo(() => {
+    return [...notices].sort((a, b) => {
+      // 생성일 내림차순 정렬 (최신 날짜가 먼저)
+      return b.date.localeCompare(a.date);
+    });
+  }, [notices]);
+  
+  const totalPages = Math.ceil(sortedNotices.length / ITEMS_PER_PAGE);
+  const paginatedNotices = useMemo(() => {
     const startIndex = (currentPage - 1) * ITEMS_PER_PAGE;
     const endIndex = startIndex + ITEMS_PER_PAGE;
-    return items.slice(startIndex, endIndex);
-  }, [items, currentPage]);
+    return sortedNotices.slice(startIndex, endIndex);
+  }, [sortedNotices, currentPage]);
 
   return (
     <div className="min-h-screen flex flex-col bg-white">
@@ -30,27 +104,219 @@ export default function AdminNoticesPage() {
           {/* 메인 콘텐츠 */}
           <main className="w-[1120px] bg-white">
             <div className="h-full flex flex-col px-8">
-              {/* 제목 영역 */}
-              <div className="h-[100px] flex items-center">
-                <h1 className="text-[24px] font-bold leading-[1.5] text-[#1b2027]">
-                  공지사항
-                </h1>
-              </div>
+              {isWritingMode ? (
+                <>
+                  {/* 작성 모드 헤더 */}
+                  <div className="h-[100px] flex items-center">
+                    <div className="flex gap-3 items-center">
+                      <button
+                        type="button"
+                        onClick={handleBack}
+                        className="flex items-center justify-center w-8 h-8 cursor-pointer"
+                        aria-label="뒤로가기"
+                      >
+                        <BackArrowSvg width={32} height={32} />
+                      </button>
+                      <h1 className="text-[24px] font-bold leading-[1.5] text-[#1b2027]">
+                        공지사항 작성
+                      </h1>
+                    </div>
+                  </div>
 
-              {/* 콘텐츠 영역 */}
-              <div className="flex-1 pt-8 flex flex-col">
-                {items.length === 0 ? (
+                  {/* 작성 폼 */}
+                  <div className="flex-1 flex flex-col gap-10 pb-20 pt-8 w-full">
+                    <div className="flex flex-col gap-6 w-full">
+                      {/* 제목 입력 */}
+                      <div className="flex flex-col gap-2 items-start justify-center w-full">
+                        <label className="text-[15px] font-semibold leading-[1.5] text-[#6c7682] w-[100px]">
+                          제목
+                        </label>
+                        <input
+                          type="text"
+                          value={title}
+                          onChange={(e) => setTitle(e.target.value)}
+                          placeholder="제목을 입력해 주세요."
+                          className="w-full h-[40px] px-3 py-2 rounded-[8px] border border-[#dee1e6] bg-white text-[16px] font-normal leading-[1.5] text-[#1b2027] placeholder:text-[#b1b8c0] focus:outline-none focus:ring-2 focus:ring-[#1f2b91] focus:border-transparent"
+                        />
+                      </div>
+
+                      {/* 내용 입력 */}
+                      <div className="flex flex-col gap-2 items-start justify-center w-full">
+                        <label className="text-[15px] font-semibold leading-[1.5] text-[#6c7682] w-[100px]">
+                          내용
+                        </label>
+                        <div className="relative w-full">
+                          <textarea
+                            value={content}
+                            onChange={(e) => {
+                              const newContent = e.target.value;
+                              if (newContent.length <= 1000) {
+                                setContent(newContent);
+                              }
+                            }}
+                            placeholder="내용을 입력해 주세요. (최대 1,000자 이내)"
+                            className="w-full h-[320px] px-3 py-2 rounded-[8px] border border-[#dee1e6] bg-white text-[16px] font-normal leading-[1.5] text-[#1b2027] placeholder:text-[#b1b8c0] resize-none focus:outline-none focus:ring-2 focus:ring-[#1f2b91] focus:border-transparent"
+                          />
+                          <div className="absolute bottom-3 right-3">
+                            <p className="text-[13px] font-normal leading-[1.4] text-[#6c7682] text-right">
+                              {characterCount}/1000
+                            </p>
+                          </div>
+                        </div>
+                      </div>
+
+                      {/* 첨부 파일 */}
+                      <div className="flex flex-col gap-2 items-start justify-center w-full">
+                        <div className="flex items-center justify-between h-8 w-full">
+                          <div className="flex items-center gap-3 flex-1 min-w-0">
+                            <label className="text-[15px] font-semibold leading-[1.5] text-[#6c7682] whitespace-nowrap">
+                              첨부 파일{' '}
+                              <span className="font-normal">
+                                ({attachedFile ? 1 : 0}/1)
+                              </span>
+                            </label>
+                            <p className="text-[13px] font-normal leading-[1.4] text-[#8c95a1] whitespace-nowrap">
+                              30MB 미만 파일
+                            </p>
+                          </div>
+                          <button
+                            type="button"
+                            onClick={handleFileAttach}
+                            className="h-[32px] w-[62px] px-[4px] py-[3px] rounded-[6px] border border-[#8c95a1] bg-white flex items-center justify-center cursor-pointer hover:bg-gray-50 transition-colors shrink-0"
+                          >
+                            <span className="text-[13px] font-medium leading-[1.4] text-[#4c5561] whitespace-nowrap">
+                              첨부
+                            </span>
+                          </button>
+                          <input
+                            ref={fileInputRef}
+                            type="file"
+                            onChange={handleFileChange}
+                            className="hidden"
+                            accept="*/*"
+                          />
+                        </div>
+                        <div className="h-16 w-full rounded-[8px] border border-[#dee1e6] bg-gray-50 flex items-center justify-center">
+                          {attachedFile ? (
+                            <p className="text-[14px] font-normal leading-[1.5] text-[#1b2027]">
+                              {attachedFile.name}
+                            </p>
+                          ) : (
+                            <p className="text-[14px] font-normal leading-[1.5] text-[#8c95a1] text-center">
+                              파일을 첨부해주세요.
+                            </p>
+                          )}
+                        </div>
+                      </div>
+                    </div>
+
+                    {/* 액션 버튼 */}
+                    <div className="flex gap-3 items-center justify-end shrink-0 w-full">
+                      <button
+                        type="button"
+                        onClick={handleCancel}
+                        className="h-12 px-8 rounded-[10px] bg-[#f1f3f5] text-[16px] font-semibold leading-[1.5] text-[#4c5561] whitespace-nowrap hover:bg-[#e5e8eb] transition-colors cursor-pointer"
+                      >
+                        취소
+                      </button>
+                      <button
+                        type="button"
+                        onClick={handleSave}
+                        className="h-12 px-4 rounded-[10px] bg-[#1f2b91] text-[16px] font-semibold leading-[1.5] text-white whitespace-nowrap hover:bg-[#1a2478] transition-colors cursor-pointer"
+                      >
+                        저장하기
+                      </button>
+                    </div>
+                  </div>
+                </>
+              ) : (
+                <>
+                  {/* 제목 영역 */}
+                  <div className="h-[100px] flex items-center">
+                    <h1 className="text-[24px] font-bold leading-[1.5] text-[#1b2027]">
+                      공지사항
+                    </h1>
+                  </div>
+
+                  {/* 헤더 영역 (제목과 콘텐츠 사이) */}
+                  <div className="pt-2 pb-4 flex items-center justify-between">
+                    <p className="text-[15px] font-medium leading-[1.5] text-[#333c47] whitespace-nowrap">
+                      총 {totalCount}건
+                    </p>
+                    <button
+                      type="button"
+                      onClick={() => setIsWritingMode(true)}
+                      className="h-[40px] px-4 rounded-[8px] bg-[#1f2b91] text-[16px] font-semibold leading-[1.5] text-white whitespace-nowrap hover:bg-[#1a2478] transition-colors cursor-pointer"
+                    >
+                      작성하기
+                    </button>
+                  </div>
+
+                  {/* 콘텐츠 영역 */}
+                  <div className="flex-1 pt-2 flex flex-col">
+                {notices.length === 0 ? (
                   <div className="rounded-lg border border-[#dee1e6] bg-white min-h-[400px] flex items-center justify-center">
                     <p className="text-[16px] font-medium leading-[1.5] text-[#333c47]">
-                      현재 관리할 수 있는 항목이 없습니다.
+                      등록된 공지사항이 없습니다.
+                      <br />
+                      공지사항을 등록해주세요.
                     </p>
                   </div>
                 ) : (
                   <>
-                    {/* TODO: 테이블 또는 리스트를 여기에 추가 */}
+                    <div className="rounded-[8px]">
+                      <div className="w-full rounded-[8px] border border-[#dee1e6] overflow-visible">
+                        <table className="min-w-full border-collapse">
+                          <colgroup>
+                            <col style={{ width: 80 }} />
+                            <col />
+                            <col style={{ width: 140 }} />
+                            <col style={{ width: 120 }} />
+                            <col style={{ width: 120 }} />
+                          </colgroup>
+                          <thead>
+                            <tr className="h-12 bg-gray-50 text-left">
+                              <th className="border-r border-[#dee1e6] px-4 text-[14px] font-semibold leading-[1.5] text-[#4c5561]">번호</th>
+                              <th className="border-r border-[#dee1e6] px-4 text-[14px] font-semibold leading-[1.5] text-[#4c5561]">제목</th>
+                              <th className="border-r border-[#dee1e6] px-4 text-[14px] font-semibold leading-[1.5] text-[#4c5561]">게시일</th>
+                              <th className="border-r border-[#dee1e6] px-4 text-[14px] font-semibold leading-[1.5] text-[#4c5561]">조회수</th>
+                              <th className="px-4 text-[14px] font-semibold leading-[1.5] text-[#4c5561]">작성자</th>
+                            </tr>
+                          </thead>
+                          <tbody>
+                            {paginatedNotices.map((notice, index) => {
+                              // 번호는 전체 목록에서의 순서 (정렬된 목록 기준)
+                              const noticeNumber = sortedNotices.length - (currentPage - 1) * ITEMS_PER_PAGE - index;
+                              return (
+                                <tr
+                                  key={notice.id}
+                                  className="h-12 hover:bg-[#F5F7FF] transition-colors"
+                                >
+                                  <td className="border-t border-r border-[#dee1e6] px-4 text-[13px] leading-[1.5] text-[#1b2027] whitespace-nowrap text-center">
+                                    {noticeNumber}
+                                  </td>
+                                  <td className="border-t border-r border-[#dee1e6] px-4 text-[13px] leading-[1.5] text-[#1b2027]">
+                                    {notice.title}
+                                  </td>
+                                  <td className="border-t border-r border-[#dee1e6] px-4 text-[13px] leading-[1.5] text-[#1b2027] whitespace-nowrap">
+                                    {notice.date}
+                                  </td>
+                                  <td className="border-t border-r border-[#dee1e6] px-4 text-[13px] leading-[1.5] text-[#1b2027] whitespace-nowrap">
+                                    {notice.views.toLocaleString()}
+                                  </td>
+                                  <td className="border-t border-[#dee1e6] px-4 text-[13px] leading-[1.5] text-[#1b2027] whitespace-nowrap">
+                                    {notice.writer}
+                                  </td>
+                                </tr>
+                              );
+                            })}
+                          </tbody>
+                        </table>
+                      </div>
+                    </div>
                     
                     {/* 페이지네이션 - 10개 초과일 때만 표시 */}
-                    {items.length > ITEMS_PER_PAGE && (() => {
+                    {notices.length > ITEMS_PER_PAGE && (() => {
                       // 페이지 번호를 10단위로 표시
                       const pageGroup = Math.floor((currentPage - 1) / 10);
                       const startPage = pageGroup * 10 + 1;
@@ -134,7 +400,9 @@ export default function AdminNoticesPage() {
                     })()}
                   </>
                 )}
-              </div>
+                  </div>
+                </>
+              )}
             </div>
           </main>
         </div>