import { state, saveHardwareAsset, deleteHardwareAsset } from '../../core/state';
import { HardwareAsset, MasterAssetData, HardwareLog } from '../../core/excelHandler';
import { openModal, closeModals } from './BaseModal';
import { createIcons, Paperclip, History, Plus, X, Save, Edit2, RotateCcw } from 'lucide';
import { CORP_LIST, ORG_LIST, HW_TYPE_LIST, LOCATION_DATA, TYPE_PREFIX_MAP } from './SharedData';
import { 
  generateOptionsHTML, 
  setFieldValue, 
  getFieldValue, 
  parseAndSetLocation, 
  bindLocationEvents, 
  getCombinedLocation,
  setEditLock
} from './ModalUtils';

let currentAsset: HardwareAsset | null = null;
let isEditMode = false;

const STATUS_LIST = ['대여중', '보관중', '수리중', '기타'];

const HW_MODAL_HTML = `
  <div id="hw-asset-modal" class="modal-overlay hidden">
    <div class="modal-content wide">
      <div class="modal-header">
        <h2 id="hw-modal-title">자산 상세 정보</h2>
        <button id="btn-close-hw-modal" class="btn-icon" aria-label="닫기"><i data-lucide="x"></i></button>
      </div>
      <div class="modal-body">
        <div class="modal-body-split">
          <div class="modal-form-area">
            <form id="hw-asset-form" class="grid-form">
              <input type="hidden" id="hw-asset-id" />
              <input type="hidden" id="hw-asset-type" />

              <!-- Group 1: 기본 정보 (Identity) -->
              <div class="form-section-title">기본 정보 (Identity)</div>
              <div class="form-group">
                <label for="hw-법인">구매법인</label>
                <select id="hw-법인" required>${generateOptionsHTML(CORP_LIST)}</select>
              </div>
              <div class="form-group">
                <label for="hw-자산코드">자산번호/코드</label>
                <div style="display:flex; gap:0.5rem;">
                  <input type="text" id="hw-자산코드" readonly placeholder="번호 생성을 클릭하세요" required />
                  <button type="button" id="btn-generate-hw-code" class="btn btn-outline btn-sm hidden" style="white-space:nowrap;">생성</button>
                </div>
              </div>
              <div class="form-group">
                <label for="hw-현사용조직">현 사용조직</label>
                <select id="hw-현사용조직">${generateOptionsHTML(ORG_LIST)}</select>
              </div>
              <div class="form-group" id="hw-이전사용조직-group">
                <label for="hw-이전사용조직">이전 사용조직</label>
                <input type="text" id="hw-이전사용조직" readonly />
              </div>
              <div class="form-group">
                <label for="hw-유형">유형</label>
                <select id="hw-유형">${generateOptionsHTML(HW_TYPE_LIST)}</select>
              </div>
              <div class="form-group" id="hw-상세용도-group" style="display:none;">
                <label for="hw-상세용도">상세용도</label>
                <select id="hw-상세용도">
                  <option value="">선택</option>
                  <option value="서버">서버</option>
                  <option value="개인PC">개인PC</option>
                </select>
              </div>
              
              <!-- 운영 및 상태 관리 (전산비품/모바일 전용) -->
              <div class="form-section-title op-only">운영 및 상태 관리</div>
              <div class="form-group op-only">
                <label for="hw-보관위치">보관위치</label>
                <input type="text" id="hw-보관위치" placeholder="예: 7층 비품창고" />
              </div>
              <div class="form-group op-only">
                <label for="hw-현재상태">현재상태</label>
                <select id="hw-현재상태">${generateOptionsHTML(STATUS_LIST)}</select>
              </div>

              <!-- 네트워크 및 서버 정보 -->
              <div class="form-section-title server-only" id="hw-network-title">네트워크 정보 (Connectivity)</div>
              <div class="form-group server-only" id="hw-ip-group">
                <label for="hw-IP주소">IP 주소 1</label>
                <input type="text" id="hw-IP주소" />
              </div>
              <div class="form-group server-only" id="hw-ip2-group">
                <label for="hw-IP2">IP 주소 2</label>
                <input type="text" id="hw-IP2" />
              </div>
              <div class="form-group server-only" id="hw-remote-group">
                <label for="hw-원격접속">원격 도구</label>
                <input type="text" id="hw-원격접속" />
              </div>
              <div class="form-group server-only" id="hw-server-id-group">
                <label for="hw-서버ID">서버 ID</label>
                <input type="text" id="hw-서버ID" />
              </div>
              <div class="form-group server-only" id="hw-server-pw-group">
                <label for="hw-서버PW">서버 PW</label>
                <input type="text" id="hw-서버PW" />
              </div>
              <div class="form-group non-server" id="hw-ip-non-server-group">
                <label for="hw-IP주소-non-server">IP 주소</label>
                <input type="text" id="hw-IP주소-non-server" />
              </div>

              <!-- 시스템 사양 -->
              <div class="form-section-title" id="hw-spec-title">시스템 사양 (Specifications)</div>
              <div class="form-group" id="hw-model-group">
                <label for="hw-모델명">모델명</label>
                <input type="text" id="hw-모델명" />
              </div>
              <div class="form-group" id="hw-os-group">
                <label for="hw-OS">운영체제 (OS)</label>
                <input type="text" id="hw-OS" />
              </div>
              <div class="form-group" id="hw-cpu-group">
                <label for="hw-CPU">CPU 사양</label>
                <input type="text" id="hw-CPU" />
              </div>
              <div class="form-group" id="hw-ram-group">
                <label for="hw-RAM">RAM 용량</label>
                <input type="text" id="hw-RAM" />
              </div>
              <div class="form-group" id="hw-ssd1-group">
                <label for="hw-SSD1">Storage 1 (SSD/HDD)</label>
                <input type="text" id="hw-SSD1" />
              </div>
              <div class="form-group" id="hw-ssd2-group">
                <label for="hw-SSD2">Storage 2 (SSD/HDD)</label>
                <input type="text" id="hw-SSD2" />
              </div>
              <div class="form-group server-only" id="hw-monitoring-group">
                <label for="hw-모니터링">모니터링 여부</label>
                <input type="text" id="hw-모니터링" />
              </div>
              <div class="form-group full-width non-server" id="hw-hwspec-group">
                <label for="hw-HW사양">사양 상세</label>
                <textarea id="hw-HW사양" rows="2"></textarea>
              </div>

              <!-- 설치 위치 및 관리 -->
              <div class="form-section-title" id="hw-op-title">설치 위치 및 관리</div>
              <div class="form-group loc-standard">
                <label for="hw-위치-빌딩">설치위치 (건물)</label>
                <select id="hw-위치-빌딩">${generateOptionsHTML(Object.keys(LOCATION_DATA))}</select>
              </div>
              <div class="form-group loc-standard">
                <label for="hw-위치-상세">상세 위치</label>
                <select id="hw-위치-상세"><option value="">선택</option></select>
              </div>
              <div class="form-group" id="hw-위치-기타-group" style="display:none;">
                <label for="hw-위치-기타">직접 입력 (기타)</label>
                <input type="text" id="hw-위치-기타" />
              </div>
              <div class="form-group">
                <label for="hw-담당자_정">담당자(정)</label>
                <input type="text" id="hw-담당자_정" />
              </div>
              <div class="form-group">
                <label for="hw-구매일">구매일</label>
                <input type="text" id="hw-구매일" />
              </div>
              <div class="form-group">
                <label for="hw-금액">금액</label>
                <input type="text" id="hw-금액" oninput="this.value = this.value.replace(/[^0-9]/g, '').replace(/\\B(?=(\\d{3})+(?!\\d))/g, ',')" />
              </div>
              <div class="form-group full-width">
                <label for="hw-비고">비고</label>
                <textarea id="hw-비고" rows="2"></textarea>
              </div>
            </form>
          </div>

          <div class="modal-history-area">
            <div class="history-header">
              <h3><i data-lucide="history" style="width:16px; height:16px;"></i> 분출 및 변경 이력</h3>
              <button type="button" id="btn-add-hw-log" class="btn btn-outline btn-sm">
                내역 추가 <i data-lucide="plus" style="width:14px; height:14px;"></i>
              </button>
            </div>
            <div id="hw-history-list" class="history-timeline"></div>
          </div>
        </div>
      </div>
      <div class="modal-footer">
        <button id="btn-delete-hw-asset" class="btn btn-outline btn-danger">삭제</button>
        <div class="footer-actions">
          <button id="btn-revert-hw-edit" class="btn btn-outline hidden">수정 취소</button>
          <button id="btn-cancel-hw-modal" class="btn btn-outline">닫기</button>
          <button id="btn-save-hw-asset" class="btn btn-primary">수정</button>
        </div>
      </div>
    </div>
  </div>

  <!-- 이력 추가 모달 -->
  <div id="hw-log-modal" class="modal-overlay hidden" style="z-index: 1100;">
    <div class="modal-content" style="max-width: 400px;">
      <div class="modal-header">
        <h2>이력 추가</h2>
        <button id="btn-close-hw-log" class="btn-icon"><i data-lucide="x"></i></button>
      </div>
      <div class="modal-body">
        <div class="grid-form" style="grid-template-columns: 1fr;">
          <div class="form-group">
            <label>날짜</label>
            <input type="date" id="new-hw-log-date" />
          </div>
          <div class="form-group">
            <label>변경/분출 내용</label>
            <textarea id="new-hw-log-details" rows="3" placeholder="예: [분출] 기술팀 홍길동, [수리] 배터리 교체 등"></textarea>
          </div>
        </div>
      </div>
      <div class="modal-footer">
        <div></div>
        <div class="footer-actions">
          <button id="btn-cancel-hw-log" class="btn btn-outline">취소</button>
          <button id="btn-confirm-hw-log" class="btn btn-primary">추가</button>
        </div>
      </div>
    </div>
  </div>
`;

function renderHwHistory(assetId: string) {
  const container = document.getElementById('hw-history-list');
  if (!container) return;
  const logs = (state.masterData.logs || []).filter(l => l.assetId === assetId);
  if (logs.length === 0) {
    container.innerHTML = '<div class="empty-history">기록된 이력이 없습니다.</div>';
    return;
  }
  container.innerHTML = logs.map(l => `
    <div class="history-item">
      <div class="history-date">${l.date}</div>
      <div class="history-user">${l.user}</div>
      <div class="history-details">${l.details}</div>
    </div>
  `).join('');
}

function applyTypeSpecificUI(type: string) {
  const detailPurpose = getFieldValue('hw-상세용도');
  const upperType = (type || '').toUpperCase();

  const groups: Record<string, HTMLElement | null> = {
    detailPurpose: document.getElementById('hw-상세용도-group'),
    networkTitle: document.getElementById('hw-network-title'),
    specTitle: document.getElementById('hw-spec-title'),
    opTitle: document.getElementById('hw-op-title')
  };

  const serverOnly = document.querySelectorAll('.server-only');
  const nonServer = document.querySelectorAll('.non-server');
  const opOnly = document.querySelectorAll('.op-only');
  const standardLoc = document.querySelectorAll('.loc-standard');

  // 1. 초기화
  serverOnly.forEach(el => (el as HTMLElement).style.display = 'none');
  nonServer.forEach(el => (el as HTMLElement).style.display = 'none');
  opOnly.forEach(el => (el as HTMLElement).style.display = 'none');
  standardLoc.forEach(el => (el as HTMLElement).style.display = 'flex');
  Object.values(groups).forEach(g => { if (g) g.style.display = 'none'; });

  // 2. 분류 판별
  const isMobileGroup = ['모바일', '태블릿', '노트북', '휴대폰'].some(t => upperType.includes(t));
  const isEquipGroup = ['CPU', 'RAM', 'HDD', 'GPU'].some(t => upperType.includes(t)) || upperType.includes('비품');
  const isOpType = isMobileGroup || isEquipGroup;
  const isPcType = upperType === 'PC' || upperType === '개인PC' || upperType === '노트북';

  // 3. 레이아웃 적용
  if (isOpType) {
    opOnly.forEach(el => (el as HTMLElement).style.display = 'flex');
    standardLoc.forEach(el => (el as HTMLElement).style.display = 'none');
    if (groups.specTitle) groups.specTitle.style.display = 'flex';
  }

  if (isPcType) {
    if (groups.detailPurpose) groups.detailPurpose.style.display = 'flex';
    if (detailPurpose === '서버') {
      serverOnly.forEach(el => (el as HTMLElement).style.display = 'flex');
    } else {
      nonServer.forEach(el => (el as HTMLElement).style.display = 'flex');
    }
    if (groups.specTitle) groups.specTitle.style.display = 'flex';
    if (groups.networkTitle) groups.networkTitle.style.display = detailPurpose === '서버' ? 'flex' : 'none';
  } else if (upperType.includes('서버') || ['스토리지', 'NAS', 'DAS'].includes(upperType)) {
    serverOnly.forEach(el => (el as HTMLElement).style.display = 'flex');
    if (groups.networkTitle) groups.networkTitle.style.display = 'flex';
    if (groups.specTitle) groups.specTitle.style.display = 'flex';
  }

  if (groups.opTitle) groups.opTitle.style.display = 'flex';
}

export function openHwModal(asset: HardwareAsset, mode: 'view' | 'add' = 'view') {
  currentAsset = asset;
  const modal = document.getElementById('hw-asset-modal')!;
  
  setEditLock('hw-asset-form', mode, {
    saveBtnId: 'btn-save-hw-asset',
    revertBtnId: 'btn-revert-hw-edit',
    generateBtnId: 'btn-generate-hw-code'
  });

  isEditMode = (mode === 'add');
  fillHwFormData(asset);
  applyTypeSpecificUI(asset.type);
  renderHwHistory(asset.id);

  modal.classList.remove('hidden');
  createIcons({ icons: { X, Save, Edit2, RotateCcw, History, Plus, Paperclip } });
}

function fillHwFormData(asset: HardwareAsset) {
  setFieldValue('hw-asset-id', asset.id);
  setFieldValue('hw-asset-type', asset.type);
  setFieldValue('hw-법인', asset.법인);
  setFieldValue('hw-자산코드', asset.자산코드);
  setFieldValue('hw-현사용조직', asset.현사용조직);
  setFieldValue('hw-이전사용조직', asset.이전사용조직);
  setFieldValue('hw-상세용도', (asset as any).상세용도);
  setFieldValue('hw-유형', asset.type);
  setFieldValue('hw-모델명', asset.모델명);
  setFieldValue('hw-명칭', asset.명칭 || asset.모델명);
  setFieldValue('hw-보관위치', asset.보관위치 || '');
  setFieldValue('hw-현재상태', asset.현재상태 || '보관중');
  setFieldValue('hw-IP주소', asset.IP주소);
  setFieldValue('hw-IP2', (asset as any).IP2);
  setFieldValue('hw-원격접속', (asset as any).원격접속);
  setFieldValue('hw-서버ID', (asset as any).서버ID);
  setFieldValue('hw-서버PW', (asset as any).서버PW);
  setFieldValue('hw-모니터링', (asset as any).모니터링);
  setFieldValue('hw-OS', asset.OS);
  setFieldValue('hw-CPU', asset.CPU);
  setFieldValue('hw-RAM', asset.RAM);
  setFieldValue('hw-SSD1', asset.SSD1);
  setFieldValue('hw-SSD2', asset.SSD2);
  setFieldValue('hw-HW사양', asset.HW사양);
  setFieldValue('hw-담당자_정', asset.담당자_정 || asset.관리자);
  setFieldValue('hw-구매일', asset.구매일);
  setFieldValue('hw-금액', asset.금액);
  setFieldValue('hw-비고', asset.비고);

  parseAndSetLocation(asset.위치, 'hw-위치-빌딩', 'hw-위치-상세', 'hw-위치-기타-group', 'hw-위치-기타');
}

export function initHwModal(onSave: () => void, closeModals: () => void) {
  if (!document.getElementById('hw-asset-modal')) {
    document.body.insertAdjacentHTML('beforeend', HW_MODAL_HTML);
  }

  const form = document.getElementById('hw-asset-form') as HTMLFormElement;
  const saveBtn = document.getElementById('btn-save-hw-asset')!;
  const revertBtn = document.getElementById('btn-revert-hw-edit')!;
  const deleteBtn = document.getElementById('btn-delete-hw-asset')!;
  const typeSelect = document.getElementById('hw-유형') as HTMLSelectElement;
  const detailPurposeSelect = document.getElementById('hw-상세용도') as HTMLSelectElement;
  const logAddBtn = document.getElementById('btn-add-hw-log')!;
  const logModal = document.getElementById('hw-log-modal')!;

  [typeSelect, detailPurposeSelect].forEach(el => {
    el?.addEventListener('change', () => applyTypeSpecificUI(typeSelect.value));
  });

  bindLocationEvents('hw-위치-빌딩', 'hw-위치-상세', 'hw-위치-기타-group', 'hw-위치-기타');

  const closeModalAction = () => { closeModals(); isEditMode = false; };
  document.getElementById('btn-close-hw-modal')?.addEventListener('click', closeModalAction);
  document.getElementById('btn-cancel-hw-modal')?.addEventListener('click', closeModalAction);
  
  revertBtn.addEventListener('click', () => {
    setEditLock('hw-asset-form', 'view', { saveBtnId: 'btn-save-hw-asset', revertBtnId: 'btn-revert-hw-edit' });
    isEditMode = false;
    if (currentAsset) fillHwFormData(currentAsset);
  });

  saveBtn.addEventListener('click', () => {
    if (!currentAsset) return;
    if (!isEditMode) {
      setEditLock('hw-asset-form', 'edit', { saveBtnId: 'btn-save-hw-asset', revertBtnId: 'btn-revert-hw-edit' });
      isEditMode = true;
      applyTypeSpecificUI(getFieldValue('hw-유형'));
      return;
    }
    
    const type = getFieldValue('hw-유형');
    const storageLoc = getFieldValue('hw-보관위치');
    const isOpType = ['CPU', 'RAM', 'HDD', 'GPU'].some(t => type.toUpperCase().includes(t)) || type.includes('비품') || ['모바일', '태블릿', '노트북'].some(t => type.includes(t));

    const updated: any = {
      ...currentAsset,
      법인: getFieldValue('hw-법인'),
      자산코드: getFieldValue('hw-자산코드'),
      현사용조직: getFieldValue('hw-현사용조직'),
      type: type,
      상세용도: getFieldValue('hw-상세용도'),
      명칭: getFieldValue('hw-명칭'),
      보관위치: storageLoc,
      현재상태: getFieldValue('hw-현재상태'),
      OS: getFieldValue('hw-OS'),
      CPU: getFieldValue('hw-CPU'),
      RAM: getFieldValue('hw-RAM'),
      SSD1: getFieldValue('hw-SSD1'),
      SSD2: getFieldValue('hw-SSD2'),
      IP주소: getFieldValue('hw-IP주소') || getFieldValue('hw-IP주소-non-server'),
      담당자_정: getFieldValue('hw-담당자_정'),
      구매일: getFieldValue('hw-구매일'),
      금액: getFieldValue('hw-금액'),
      비고: getFieldValue('hw-비고'),
      위치: isOpType ? storageLoc : getCombinedLocation('hw-위치-빌딩', 'hw-위치-상세', 'hw-위치-기타')
    };

    saveHardwareAsset(updated);
    onSave();
    setEditLock('hw-asset-form', 'view', { saveBtnId: 'btn-save-hw-asset', revertBtnId: 'btn-revert-hw-edit' });
    isEditMode = false;
  });

  deleteBtn.addEventListener('click', () => {
    if (currentAsset && confirm('정말로 삭제하시겠습니까?')) {
      deleteHardwareAsset(currentAsset.id);
      onSave();
      closeModalAction();
    }
  });

  logAddBtn.addEventListener('click', () => {
    logModal.classList.remove('hidden');
    (document.getElementById('new-hw-log-date') as HTMLInputElement).value = new Date().toISOString().split('T')[0];
    (document.getElementById('new-hw-log-details') as HTMLTextAreaElement).value = '';
  });

  document.getElementById('btn-close-hw-log')?.addEventListener('click', () => logModal.classList.add('hidden'));
  document.getElementById('btn-cancel-hw-log')?.addEventListener('click', () => logModal.classList.add('hidden'));
  
  document.getElementById('btn-confirm-hw-log')?.addEventListener('click', () => {
    if (!currentAsset) return;
    const date = (document.getElementById('new-hw-log-date') as HTMLInputElement).value;
    const details = (document.getElementById('new-hw-log-details') as HTMLTextAreaElement).value;
    if (!date || !details) return;

    state.masterData.logs = state.masterData.logs || [];
    state.masterData.logs.push({ id: Math.random().toString(36).substring(2, 9), assetId: currentAsset.id, date, user: '관리자', details });
    logModal.classList.add('hidden');
    renderHwHistory(currentAsset.id);
  });
}