import { state, saveAsset, deleteAsset } from '../../core/state';
import { BaseModal } from './BaseModal';
import { openSwUserModal } from './SWUserModal';
import { createIcons, History, Plus, X, Save, Edit2, RotateCcw, Calendar, Users } from 'lucide';
import { CORP_LIST } from './SharedData';
import { ASSET_SCHEMA, UI_TEXT } from '../../core/schema';
import { API_BASE_URL } from '../../core/utils';
import { 
  generateOptionsHTML, 
  setFieldValue, 
  getFieldValue, 
  applyDateMask
} from './ModalUtils';

class SwAssetModal extends BaseModal {
  constructor() {
    super('sw', '소프트웨어 상세 정보');
  }

  protected renderFrameHTML(): string {
    return `
      <div id="sw-asset-modal" class="modal-overlay hidden">
        <div class="modal-content wide">
          <div class="modal-header">
            <h2 id="sw-modal-title">${this.title}</h2>
            <button id="btn-close-sw-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="sw-asset-form" class="grid-form">
                  <input type="hidden" id="sw-asset-id" name="id" />
                  
                  <div class="form-section-title">기본 정보 (Identity)</div>
                  <div class="form-group">
                    <label>자산 유형</label>
                    <select id="sw-asset-type" name="asset_type" required>
                      <option value="내부SW">내부SW</option>
                      <option value="외부SW">외부SW</option>
                      <option value="클라우드">클라우드</option>
                    </select>
                  </div>
                  <div class="form-group">
                    <label>${ASSET_SCHEMA.SW_FIELD.ui}</label>
                    <select id="sw-분야" name="sw_field" required>
                      <option value="업무공통">업무공통</option>
                      <option value="개발S/W">개발S/W</option>
                      <option value="디자인">디자인</option>
                      <option value="설계S/W">설계S/W</option>
                    </select>
                  </div>
                  <div class="form-group">
                    <label>${ASSET_SCHEMA.PURCHASE_CORP.ui}</label>
                    <select id="sw-법인" name="purchase_corp" required>${generateOptionsHTML(CORP_LIST)}</select>
                  </div>
                  <div class="form-group full-width">
                    <label>${ASSET_SCHEMA.PRODUCT_NAME.ui}</label>
                    <input type="text" id="sw-제품명" name="product_name" required />
                  </div>
                  <div class="form-group cloud-only">
                    <label>${ASSET_SCHEMA.DEV_OBJ.ui} / 플랫폼</label>
                    <input type="text" id="sw-플랫폼명" name="dev_objective" placeholder="개발목적 또는 플랫폼명" />
                  </div>
                  <div class="form-group">
                    <label>${ASSET_SCHEMA.CURRENT_DEPT.ui}</label>
                    <input type="text" id="sw-부서" name="current_dept" />
                  </div>
                  <div class="form-group sw-user-tracking">
                    <label>${ASSET_SCHEMA.CURRENT_USER.ui}</label>
                    <input type="text" id="sw-user-current" name="user_current" />
                  </div>
                  <div class="form-group sw-user-tracking">
                    <label>${ASSET_SCHEMA.PREV_USER.ui}</label>
                    <input type="text" id="sw-previous-user" name="previous_user" />
                  </div>

                  <div class="form-section-title">라이선스 및 계약 정보</div>
                  <div class="form-group sw-standard-field">
                    <label>${ASSET_SCHEMA.ASSET_COUNT.ui}</label>
                    <input type="number" id="sw-수량" name="asset_count" min="0" />
                  </div>
                  <div class="form-group sw-standard-field">
                    <label>${ASSET_SCHEMA.PURCHASE_AMOUNT.ui}</label>
                    <input type="text" id="sw-금액" name="purchase_amount" oninput="this.value = this.value.replace(/[^0-9]/g, '').replace(/\\\\B(?=(\\\\d{3})+(?!\\\\d))/g, ',')" />
                  </div>

                  <div class="form-group cloud-only">
                    <label>${ASSET_SCHEMA.EMAIL_ACCOUNT.ui}</label>
                    <input type="text" id="sw-계정명" name="email_account" />
                  </div>
                  <div class="form-group cloud-only">
                    <label>${ASSET_SCHEMA.PURCHASE_METHOD.ui}</label>
                    <select id="sw-결제수단" name="purchase_method">
                      <option value="">선택안함</option>
                      <option value="법인카드">법인카드</option>
                      <option value="인보이스">인보이스</option>
                    </select>
                  </div>

                  <div class="form-section-title">관리 및 비고</div>
                  <div class="form-group sw-standard-field">
                    <label>${ASSET_SCHEMA.PURCHASE_DATE.ui}</label>
                    <div style="display:flex; gap:0.25rem; align-items:center; position:relative;">
                      <input type="text" id="sw-구매일" name="purchase_date" style="flex:1;" />
                      <button type="button" class="btn-icon" onclick="const p = document.getElementById('sw-구매일-picker'); p.value = document.getElementById('sw-구매일').value; p.showPicker();" style="padding:0.25rem;">
                        <i data-lucide="calendar" style="width:18px; height:18px; color:var(--primary-color);"></i>
                      </button>
                      <input type="date" id="sw-구매일-picker" style="position:absolute; width:0; height:0; opacity:0; pointer-events:none;" onchange="document.getElementById('sw-구매일').value = this.value" tabindex="-1" />
                    </div>
                  </div>
                  <div class="form-group sw-standard-field">
                    <label>${ASSET_SCHEMA.PURCHASE_VENDOR.ui}</label>
                    <input type="text" id="sw-납품업체" name="purchase_vendor" />
                  </div>
                  <div class="form-group sw-standard-field">
                    <label>${ASSET_SCHEMA.DEV_MGR.ui}</label>
                    <input type="text" id="sw-개발담당자" name="dev_manager" />
                  </div>
                  <div class="form-group sw-standard-field">
                    <label>${ASSET_SCHEMA.PLANNING_MGR.ui}</label>
                    <input type="text" id="sw-기획담당자" name="planning_manager" />
                  </div>
                  <div class="form-group sw-standard-field">
                    <label>${ASSET_SCHEMA.SALES_MGR.ui}</label>
                    <input type="text" id="sw-영업담당자" name="sales_manager" />
                  </div>
                  <div class="form-group sw-standard-field" id="sw-expiry-group">
                    <label>${ASSET_SCHEMA.EXPIRED_DATE.ui}</label>
                    <div style="display:flex; gap:0.25rem; align-items:center; position:relative;">
                      <input type="text" id="sw-만료일" name="expiry_date" style="flex:1;" />
                      <button type="button" class="btn-icon" onclick="const p = document.getElementById('sw-만료일-picker'); p.value = document.getElementById('sw-만료일').value; p.showPicker();" style="padding:0.25rem;">
                        <i data-lucide="calendar" style="width:18px; height:18px; color:var(--primary-color);"></i>
                      </button>
                      <input type="date" id="sw-만료일-picker" style="position:absolute; width:0; height:0; opacity:0; pointer-events:none;" onchange="document.getElementById('sw-만료일').value = this.value" tabindex="-1" />
                    </div>
                  </div>
                  <div class="form-group full-width">
                    <label>${ASSET_SCHEMA.MEMO.ui}</label>
                    <textarea id="sw-비고" name="memo" rows="2"></textarea>
                  </div>
                </form>

                <div id="sw-user-section" class="user-management-section" style="margin-top: 2rem; border-top: 1px solid var(--border-color); padding-top: 1.5rem;">
                  <button type="button" id="btn-open-sw-user" class="btn btn-outline btn-sm" title="사용자 관리">
                    <i data-lucide="users" style="width:16px; height:16px; margin-right:4px;"></i> 사용자 관리
                  </button>
                </div>
              </div>

              <div class="modal-history-area">
                <div class="history-header" style="display:flex; justify-content:space-between; align-items:center;">
                  <h3><i data-lucide="history" style="width:16px; height:16px;"></i> 업데이트 내역</h3>
                  <button type="button" id="btn-open-sw-update" class="btn btn-outline btn-sm">
                    계약 업데이트 <i data-lucide="refresh-ccw" style="width:14px; height:14px;"></i>
                  </button>
                </div>
                <div id="sw-history-list" class="history-timeline"></div>
              </div>
            </div>
          </div>
          <div class="modal-footer">
            <button id="btn-delete-sw-asset" class="btn btn-outline btn-danger">삭제</button>
            <div class="footer-actions">
              <button id="btn-revert-sw-edit" class="btn btn-outline hidden">수정 취소</button>
              <button id="btn-cancel-sw-modal" class="btn btn-outline">닫기</button>
              <button id="btn-save-sw-asset" class="btn btn-primary">수정</button>
            </div>
          </div>
        </div>
      </div>

      <!-- 계약 업데이트 서브 모달 -->
      <div id="sw-update-modal" class="modal-overlay hidden" style="z-index: 1100;">
        <div class="modal-content" style="max-width: 500px;">
          <div class="modal-header">
            <h2>계약 업데이트 반영</h2>
            <button id="btn-close-sw-update" 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>업데이트 일자</label>
                <input type="date" id="sw-update-date" />
              </div>
              <div class="form-group sub-sw-update">
                <label>새로운 계약 기간</label>
                <div style="display: flex; align-items: center; gap: 0.5rem;">
                  <input type="text" id="sw-update-start" placeholder="YYYY-MM-DD" style="flex: 1;" />
                  <span>~</span>
                  <input type="text" id="sw-update-end" placeholder="YYYY-MM-DD" style="flex: 1;" />
                </div>
              </div>
              <div class="form-group">
                <label>발생 비용</label>
                <input type="text" id="sw-update-cost" oninput="this.value = this.value.replace(/[^0-9]/g, '') ? Number(this.value.replace(/[^0-9]/g, '')).toLocaleString() : ''" placeholder="ex) 500,000" />
              </div>
              <div class="form-group">
                <label>상세 내용 (메모)</label>
                <input type="text" id="sw-update-note" placeholder="예: 25년도 구독 연장 결제 완료" />
              </div>
            </div>
          </div>
          <div class="modal-footer">
            <div></div>
            <div class="footer-actions">
              <button id="btn-cancel-sw-update" class="btn btn-outline">취소</button>
              <button id="btn-save-sw-update" class="btn btn-primary">반영하기</button>
            </div>
          </div>
        </div>
      </div>
    `;
  }

  protected initChildLogic(onSave: () => void, closeModals: () => void): void {
    const saveBtn = document.getElementById('btn-save-sw-asset')!;
    const revertBtn = document.getElementById('btn-revert-sw-edit')!;
    const deleteBtn = document.getElementById('btn-delete-sw-asset')!;
    const typeSelect = document.getElementById('sw-asset-type') as HTMLSelectElement;
    const userAssignBtn = document.getElementById('btn-open-sw-user')!;
    const btnOpenUpdate = document.getElementById('btn-open-sw-update')!;

    typeSelect?.addEventListener('change', () => this.applySwTypeUI(typeSelect.value));

    ['sw-구매일', 'sw-시작일', 'sw-만료일', 'sw-update-start', 'sw-update-end'].forEach(id => {
      const el = document.getElementById(id) as HTMLInputElement;
      if (el) applyDateMask(el);
    });

    userAssignBtn.addEventListener('click', () => {
      if (this.currentAsset) openSwUserModal(this.currentAsset);
    });

    // 업데이트 모달 로직
    const subModal = document.getElementById('sw-update-modal')!;
    const closeUpdate = () => subModal.classList.add('hidden');
    document.getElementById('btn-close-sw-update')?.addEventListener('click', closeUpdate);
    document.getElementById('btn-cancel-sw-update')?.addEventListener('click', closeUpdate);

    btnOpenUpdate?.addEventListener('click', (e) => {
      e.preventDefault();
      if (!this.isEditMode) { alert('자산을 수정 모드로 변경한 후 업데이트를 진행해주세요.'); return; }
      subModal.classList.remove('hidden');
    });

    document.getElementById('btn-save-sw-update')?.addEventListener('click', async (e) => {
      e.preventDefault();
      const date = (document.getElementById('sw-update-date') as HTMLInputElement).value;
      const start = (document.getElementById('sw-update-start') as HTMLInputElement).value;
      const end = (document.getElementById('sw-update-end') as HTMLInputElement).value;
      const cost = (document.getElementById('sw-update-cost') as HTMLInputElement).value;
      const note = (document.getElementById('sw-update-note') as HTMLInputElement).value;

      if (start) setFieldValue('sw-시작일', start);
      if (end) setFieldValue('sw-만료일', end);
      if (cost) setFieldValue('sw-금액', cost);

      const log = { assetId: this.currentAsset.id, date, details: `[계약갱신] ${note} (${start} ~ ${end}, 비용: ${cost})`, user: '관리자' };
      await fetch(`${API_BASE_URL}/api/asset/history/batch`, {
          method: 'POST',
          headers: { 'Content-Type': 'application/json' },
          body: JSON.stringify([...state.masterData.logs, log])
      });

      closeUpdate(); onSave();
    });

    revertBtn.addEventListener('click', () => {
      this.setEditLockMode('view');
      if (this.currentAsset) this.fillFormData(this.currentAsset);
    });

    saveBtn.addEventListener('click', async () => {
      if (!this.currentAsset) return;
      if (!this.isEditMode) { this.setEditLockMode('edit'); this.isEditMode = true; return; }

      const type = getFieldValue('sw-asset-type');
      const formData = new FormData(this.formEl!);
      const updated = { ...this.currentAsset };
      formData.forEach((value, key) => { updated[key] = value; });
      
      let categoryKey = (type === '내부SW') ? 'swInternal' : (type === '클라우드' ? 'cloud' : 'swExternal');
      if (await saveAsset(categoryKey, updated)) { onSave(); this.close(); closeModals(); }
    });

    deleteBtn.addEventListener('click', async () => {
      if (!this.currentAsset || !confirm(UI_TEXT.MESSAGES.CONFIRM_DELETE)) return;
      const type = this.currentAsset.asset_type || this.currentAsset.type;
      let categoryKey = (type === '내부SW') ? 'swInternal' : (type === '클라우드' ? 'cloud' : 'swExternal');
      if (await deleteAsset(categoryKey, this.currentAsset.id)) {
        alert('성공적으로 삭제되었습니다.'); onSave(); this.close(); closeModals();
      }
    });

    createIcons({ icons: { History, Plus, Save, Calendar, Users, RotateCcw } });
  }

  protected fillFormData(asset: any): void {
    setFieldValue('sw-asset-id', asset.id);
    setFieldValue('sw-asset-type', asset.asset_type || asset.type);
    setFieldValue('sw-분야', asset.sw_field || '');
    setFieldValue('sw-법인', asset.purchase_corp || '');
    setFieldValue('sw-부서', asset.current_dept || '');
    setFieldValue('sw-user-current', asset.user_current || '');
    setFieldValue('sw-previous-user', asset.previous_user || '');
    setFieldValue('sw-제품명', asset.product_name || '');
    setFieldValue('sw-수량', asset.asset_count || '');
    setFieldValue('sw-금액', asset.purchase_amount || '');
    setFieldValue('sw-구매일', asset.purchase_date || '');
    setFieldValue('sw-납품업체', asset.purchase_vendor || '');
    setFieldValue('sw-개발담당자', asset.dev_manager || '');
    setFieldValue('sw-기획담당자', asset.planning_manager || '');
    setFieldValue('sw-영업담당자', asset.sales_manager || '');
    setFieldValue('sw-비고', asset.memo || '');

    if (asset.type === '클라우드' || asset.asset_type === '클라우드') {
      setFieldValue('sw-플랫폼명', asset.dev_objective || '');
      setFieldValue('sw-계정명', asset.email_account || '');
      setFieldValue('sw-결제수단', asset.purchase_method || '');
    } else {
      setFieldValue('sw-만료일', asset.expiry_date || '');
    }

    this.renderHistory(asset.id);
  }

  protected onAfterOpen(asset: any, mode: string): void {
    this.applySwTypeUI(asset.asset_type || asset.type);
  }

  private applySwTypeUI(type: string) {
    const cloudFields = document.querySelectorAll('.cloud-only');
    const swFields = document.querySelectorAll('.sw-standard-field');
    const userSection = document.getElementById('sw-user-section');
    const expiryGroup = document.getElementById('sw-expiry-group');
    const userTracking = document.querySelectorAll('.sw-user-tracking');

    if (type === '클라우드') {
      cloudFields.forEach(el => (el as HTMLElement).style.display = 'flex');
      swFields.forEach(el => (el as HTMLElement).style.display = 'none');
      if (userSection) userSection.style.display = 'none';
      userTracking.forEach(el => (el as HTMLElement).style.display = 'none');
    } else {
      cloudFields.forEach(el => (el as HTMLElement).style.display = 'none');
      swFields.forEach(el => (el as HTMLElement).style.display = 'flex');
      if (userSection) userSection.style.display = 'block';
      if (type === '외부SW' || type === '내부SW') {
        if (expiryGroup) expiryGroup.style.display = 'flex';
        userTracking.forEach(el => (el as HTMLElement).style.display = (type === '외부SW') ? 'flex' : 'none');
      }
    }
  }

  private renderHistory(swId: string) {
    const container = document.getElementById('sw-history-list');
    if (!container) return;
    const logs = (state.masterData.logs || []).filter(l => l.assetId === swId);
    if (logs.length === 0) { container.innerHTML = '<div class="empty-history">수정 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('');
  }
}

export const swModal = new SwAssetModal();

export function initSwModal(onSave: () => void, closeModals: () => void) {
  swModal.init(onSave, closeModals);
}

export function openSwModal(asset: any, mode: 'view' | 'add' | 'edit' = 'view') {
  swModal.open(asset, mode);
}