import { state, saveHardwareAsset, deleteHardwareAsset } from '../../core/state';
import { HardwareAsset, MasterAssetData } from '../../core/excelHandler';
import { openModal, closeModals } from './BaseModal';
import { createIcons, Paperclip } 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 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">
        <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>${generateOptionsHTML(CORP_LIST)}</select>
          </div>
          <div class="form-group">
            <label for="hw-자산코드">자산번호/코드</label>
            <div style="display:flex; gap:0.5rem;">
              <input type="text" id="hw-자산코드" readonly placeholder="번호 생성을 클릭하세요" required />
              <button type="button" id="btn-generate-hw-code" class="btn btn-outline" style="white-space:nowrap; padding:0 10px; font-size:0.8rem;">번호 생성</button>
            </div>
          </div>
          <div class="form-group">
            <label for="hw-현사용조직">현 사용조직</label>
            <select id="hw-현사용조직">${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" id="hw-유형-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>
          <div class="form-group server-only">
            <label for="hw-용도">용도</label>
            <input type="text" id="hw-용도" />
          </div>
          <div class="form-group server-only">
            <label for="hw-상세">상세 내용</label>
            <input type="text" id="hw-상세" />
          </div>
          <div class="form-group non-server" id="hw-명칭-group">
            <label for="hw-명칭">명칭</label>
            <input type="text" id="hw-명칭" />
          </div>
          <div class="form-group full-width server-only">
            <label for="hw-비고">비고</label>
            <input type="text" id="hw-비고" />
          </div>

          <!-- Group 2: 네트워크 정보 (Connectivity) -->
          <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 (Anydesk/Chrome 등)</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>

          <!-- Group 3: 시스템 사양 (Specifications) -->
          <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">H/W 사양 상세</label>
            <textarea id="hw-HW사양" rows="2"></textarea>
          </div>

          <!-- Group 4: 관리 및 운영 (Operation) -->
          <div class="form-section-title" id="hw-op-title">관리 및 운영 (Operation)</div>
          <div class="form-group hw-location-field">
            <label for="hw-위치-빌딩">설치위치 (건물)</label>
            <select id="hw-위치-빌딩">${generateOptionsHTML(Object.keys(LOCATION_DATA))}</select>
          </div>
          <div class="form-group hw-location-field">
            <label for="hw-위치-상세">상세 위치</label>
            <select id="hw-위치-상세">
              <option value="">건물을 먼저 선택하세요</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" placeholder="상세 위치를 입력하세요" />
          </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-담당자_부">담당자 (부)</label>
            <input type="text" id="hw-담당자_부" />
          </div>
          <div class="form-group non-server" id="hw-purchase-date-group">
            <label for="hw-구매일">구매연월</label>
            <input type="text" id="hw-구매일" placeholder="YYYY-MM" />
          </div>
          <div class="form-group non-server" id="hw-price-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>품의서 (파일 증빙)</label>
            <div style="display:flex; align-items:center; gap:0.5rem;">
              <input type="file" id="hw-품의서" />
              <span id="hw-품의서명" style="font-size:0.75rem; color:var(--text-light)"></span>
            </div>
          </div>
        </form>
      </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>
`;

export function openHwModal(asset: HardwareAsset, mode: 'view' | 'add' = 'view') {
  currentAsset = asset;
  const modal = document.getElementById('hw-asset-modal')!;
  
  // 1. 잠금 상태 통합 제어 (데이터 유무가 아닌 호출 mode에만 의존)
  setEditLock('hw-asset-form', mode, {
    saveBtnId: 'btn-save-hw-asset',
    revertBtnId: 'btn-revert-hw-edit',
    generateBtnId: 'btn-generate-hw-code'
  });

  isEditMode = (mode === 'add');
  
  // 2. 데이터 바인딩
  fillHwFormData(asset);

  modal.classList.remove('hidden');
  applyTypeSpecificUI(asset.type);
  createIcons({ icons: { Paperclip } });
}

function applyTypeSpecificUI(type: string) {
  const detailPurpose = getFieldValue('hw-상세용도');
  const form = document.getElementById('hw-asset-form') as HTMLFormElement;
  if (!form) return;

  const serverOnly = document.querySelectorAll('.server-only');
  const nonServer = document.querySelectorAll('.non-server');
  const locationFields = document.querySelectorAll('.hw-location-field');
  
  const groups: Record<string, HTMLElement | null> = {
    detailPurpose: document.getElementById('hw-상세용도-group'),
    model: document.getElementById('hw-model-group'),
    ip: document.getElementById('hw-ip-group'),
    ip2: document.getElementById('hw-ip2-group'),
    remote: document.getElementById('hw-remote-group'),
    os: document.getElementById('hw-os-group'),
    cpu: document.getElementById('hw-cpu-group'),
    ram: document.getElementById('hw-ram-group'),
    ssd1: document.getElementById('hw-ssd1-group'),
    ssd2: document.getElementById('hw-ssd2-group'),
    monitoring: document.getElementById('hw-monitoring-group'),
    serverId: document.getElementById('hw-server-id-group'),
    serverPw: document.getElementById('hw-server-pw-group'),
    hwSpec: document.getElementById('hw-hwspec-group'),
    ipNonServer: document.getElementById('hw-ip-non-server-group'),
    type: document.getElementById('hw-유형-group'),
    networkTitle: document.getElementById('hw-network-title'),
    specTitle: document.getElementById('hw-spec-title'),
    opTitle: document.getElementById('hw-op-title')
  };

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

  // 2. PC 유형일 때 상세용도 선택창 노출 (복구 핵심)
  if (type === 'PC' || type === '개인PC' || type === '노트북') {
    if (groups.detailPurpose) groups.detailPurpose.style.display = 'flex';
    
    // 상세용도가 '서버'인 경우 서버용 필드 노출, 아니면 일반 PC용 필드 노출
    if (detailPurpose === '서버') {
      serverOnly.forEach(el => (el as HTMLElement).style.display = 'flex');
      locationFields.forEach(el => (el as HTMLElement).style.display = 'flex');
      if (groups.networkTitle) groups.networkTitle.style.display = 'flex';
      ['ip', 'ip2', 'remote', 'serverId', 'serverPw', 'monitoring', 'model', 'os', 'cpu', 'ram', 'ssd1', 'ssd2'].forEach(k => {
        if (groups[k]) groups[k]!.style.display = 'flex';
      });
    } else {
      nonServer.forEach(el => (el as HTMLElement).style.display = 'flex');
      if (groups.specTitle) groups.specTitle.style.display = 'flex';
      ['model', 'os', 'cpu', 'ram', 'ssd1', 'ssd2', 'hwSpec', 'ipNonServer'].forEach(k => {
        if (groups[k]) groups[k]!.style.display = 'flex';
      });
    }
  } 
  else if (type === '서버') {
    serverOnly.forEach(el => (el as HTMLElement).style.display = 'flex');
    locationFields.forEach(el => (el as HTMLElement).style.display = 'flex');
    Object.values(groups).forEach(g => { if (g) g.style.display = 'flex'; });
  }
  else if (['스토리지', 'NAS', 'DAS'].includes(type)) {
    serverOnly.forEach(el => (el as HTMLElement).style.display = 'flex');
    locationFields.forEach(el => (el as HTMLElement).style.display = 'flex');
    if (groups.networkTitle) groups.networkTitle.style.display = 'flex';
    if (groups.ip) groups.ip.style.display = 'flex';
    if (groups.specTitle) groups.specTitle.style.display = 'flex';
    if (groups.model) groups.model.style.display = 'flex';
    if (groups.ssd1) groups.ssd1.style.display = 'flex';
  }
  else {
    // 기타 유형 (CPU, RAM, 모바일 등)
    if (groups.specTitle) groups.specTitle.style.display = 'flex';
    if (groups.model) groups.model.style.display = 'flex';
  }
}

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);

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

  setFieldValue('hw-모델명', asset.모델명);
  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-담당자_정', asset.담당자_정 || asset.관리자);
  setFieldValue('hw-담당자_부', asset.담당자_부);

  const isServerGrade = asset.type === '서버' || (asset as any).상세용도 === '서버' || asset.type === '스토리지' || ['NAS', 'DAS'].includes(asset.type);

  if (isServerGrade) {
    setFieldValue('hw-용도', asset.용도 || (asset as any).purpose);
    setFieldValue('hw-상세', asset.상세 || (asset as any).details);
    setFieldValue('hw-비고', asset.비고 || (asset as any).remarks);
    setFieldValue('hw-구매일', asset.구매일 || (asset as any).purchase_date);
    setFieldValue('hw-유형', asset.storage유형 || asset.type);
    setFieldValue('hw-IP주소', asset.IP주소 || (asset as any).ip_address);
    setFieldValue('hw-IP2', (asset as any).IP2 || (asset as any).ip_address_2);
    setFieldValue('hw-원격접속', asset.원격접속 || (asset as any).remote_tool);
    setFieldValue('hw-서버ID', (asset as any).서버ID || (asset as any).server_id);
    setFieldValue('hw-서버PW', (asset as any).서버PW || (asset as any).server_pw);
    setFieldValue('hw-모니터링', asset.모니터링 || (asset as any).monitoring);
  } else {
    setFieldValue('hw-명칭', asset.명칭 || asset.모델명);
    setFieldValue('hw-구매일', asset.구매일 || (asset as any).purchase_date);
    setFieldValue('hw-금액', asset.금액 || (asset as any).price);
    setFieldValue('hw-HW사양', asset.HW사양 || asset.상세 || (asset as any).details);
    setFieldValue('hw-IP주소-non-server', asset.IP주소 || (asset as any).ip_address);
  }
}

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;
  
  [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',
      generateBtnId: 'btn-generate-hw-code'
    });
    isEditMode = false;
    if (currentAsset) fillHwFormData(currentAsset);
  });

  document.getElementById('btn-generate-hw-code')?.addEventListener('click', async () => {
    const typeValue = typeSelect.value;
    const purchaseDate = getFieldValue('hw-구매일');
    const typeCode = TYPE_PREFIX_MAP[typeValue] || 'ETC';
    const dateStr = purchaseDate.replace(/[^0-9]/g, '');
    if (dateStr.length < 4) { alert('올바른 구매일(연월)을 입력해주세요.'); return; }
    const prefix = `${typeCode}-${dateStr.substring(2, 6)}-`;
    try {
      const res = await fetch(`http://localhost:3000/api/generate-asset-code?prefix=${prefix}`);
      const data = await res.json();
      if (data.nextCode) setFieldValue('hw-자산코드', data.nextCode);
    } catch (err) { alert('자산번호 생성에 실패했습니다.'); }
  });

  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;
      return;
    }
    
    const type = typeSelect.value;
    const detailPurpose = detailPurposeSelect.value;

    const updated: any = {
      ...currentAsset,
      법인: getFieldValue('hw-법인'),
      자산코드: getFieldValue('hw-자산코드'),
      현사용조직: getFieldValue('hw-현사용조직'),
      이전사용조직: getFieldValue('hw-이전사용조직'),
      위치: getCombinedLocation('hw-위치-빌딩', 'hw-위치-상세', 'hw-위치-기타'),
      모델명: getFieldValue('hw-모델명'),
      OS: getFieldValue('hw-OS'),
      CPU: getFieldValue('hw-CPU'),
      RAM: getFieldValue('hw-RAM'),
      SSD1: getFieldValue('hw-SSD1'),
      SSD2: getFieldValue('hw-SSD2'),
      담당자_정: getFieldValue('hw-담당자_정'),
      관리자: getFieldValue('hw-담당자_정'),
      담당자_부: getFieldValue('hw-담당자_부'),
      type: type,
      상세용도: detailPurpose
    };

    if (type === '서버' || (type === 'PC' && detailPurpose === '서버') || ['스토리지', 'NAS', 'DAS'].includes(type)) {
      updated.용도 = getFieldValue('hw-용도');
      updated.상세 = getFieldValue('hw-상세');
      updated.비고 = getFieldValue('hw-비고');
      updated.storage유형 = type;
      updated.IP주소 = getFieldValue('hw-IP주소');
      updated.IP2 = getFieldValue('hw-IP2');
      updated.원격접속 = getFieldValue('hw-원격접속');
      updated.서버ID = getFieldValue('hw-서버ID');
      updated.서버PW = getFieldValue('hw-서버PW');
      updated.모니터링 = getFieldValue('hw-모니터링');
    } else {
      updated.명칭 = getFieldValue('hw-명칭');
      updated.구매일 = getFieldValue('hw-구매일');
      updated.금액 = getFieldValue('hw-금액');
      updated.HW사양 = getFieldValue('hw-HW사양');
      updated.IP주소 = getFieldValue('hw-IP주소-non-server');
    }

    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) return;
    if (confirm('정말로 이 자산을 삭제하시겠습니까?')) {
      deleteHardwareAsset(currentAsset.id);
      onSave();
      closeModals();
    }
  });
}