import { HardwareAsset, SoftwareAsset, SWUser, HardwareLog } from './excelHandler';
import { API_BASE_URL } from './utils';

// --- State Definitions ---
export interface MasterAssetData {
  users: any[];
  pc: any[];
  server: any[];
  storage: any[];
  network: any[];
  survey: any[];
  pcParts: any[];
  equipment: any[];
  officeSupplies: any[];
  swInternal: any[];
  swExternal: any[];
  cloud: any[];
  domain: any[];
  cost: any[];
  vip: any[];
  mobile?: any[]; // Legacy mobile support
  equip?: any[];  // Backward compat
  
  // Backward compatibility
  subSw: any[];
  permSw: any[];

  swUsers: SWUser[];
  logs: HardwareLog[];
  
  // 통합 배열
  hw: any[];
  sw: any[];
}

export interface AppState {
  activeCategory: 'dashboard' | 'hw' | 'sw' | 'ops' | 'vip' | 'fac' | 'users' | 'etc';
  activeSubTab: string;
  masterData: MasterAssetData;
  activeCharts: any[];
  currentUserRole: 'admin' | 'user';
}

// 초기 상태
export const state: AppState = {
  activeCategory: 'hw',
  activeSubTab: '서버', // 대시보드 제거됨에 따라 기본값 변경
  activeCharts: [],
  currentUserRole: 'user',
  masterData: {
    users: [],
    pc: [], server: [], storage: [], network: [],
    survey: [], pcParts: [], equipment: [], officeSupplies: [],
    swInternal: [], swExternal: [], cloud: [], domain: [],
    cost: [], vip: [],
    subSw: [], permSw: [],
    hw: [], sw: [],
    swUsers: [], logs: []
  }
};

/**
 * 신규 14개 테이블 구조에 맞춘 데이터 로드
 */
export async function loadMasterDataFromDB() {
  try {
    const endpoints = [
      { key: 'users', url: '/api/users' },
      { key: 'pc', url: '/api/pc' },
      { key: 'server', url: '/api/server' },
      { key: 'storage', url: '/api/storage' },
      { key: 'network', url: '/api/network' },
      { key: 'survey', url: '/api/survey' }, 
      { key: 'pcParts', url: '/api/pc-parts' },
      { key: 'equipment', url: '/api/equipment' },
      { key: 'officeSupplies', url: '/api/office-supplies' }, 
      { key: 'swInternal', url: '/api/sw/internal' },
      { key: 'swExternal', url: '/api/sw/external' },
      { key: 'cloud', url: '/api/cloud' },
      { key: 'domain', url: '/api/domain' },
      { key: 'cost', url: '/api/cost' },
      { key: 'vip', url: '/api/vip' }, 
      { key: 'swUsers', url: '/api/asset/software/assignment' },
      { key: 'logs', url: '/api/asset/history' }
    ];

    const results = await Promise.all(endpoints.map(e => fetch(API_BASE_URL + e.url)));

    for (let i = 0; i < endpoints.length; i++) {
      if (results[i].ok) {
        const data = await results[i].json();
        const key = endpoints[i].key;
        (state.masterData as any)[key] = Array.isArray(data) ? data : [];
      }
    }

    // Mapping for backward compatibility
    state.masterData.equip = state.masterData.equipment;
    state.masterData.subSw = state.masterData.swExternal;
    state.masterData.permSw = state.masterData.swInternal;

    // 하드웨어 통합 (대시보드 호환용)
    state.masterData.hw = [
      ...state.masterData.pc,
      ...state.masterData.server,
      ...state.masterData.storage,
      ...state.masterData.network,
      ...state.masterData.survey,
      ...state.masterData.equipment,
      ...state.masterData.officeSupplies
    ];

    // 소프트웨어 통합
    state.masterData.sw = [
      ...state.masterData.swInternal,
      ...state.masterData.swExternal,
      ...state.masterData.cloud
    ];

    console.log('✅ All data (including users) loaded and unified');
    return true;
  } catch (err) {
    console.warn('⚠️ 서버 연결 실패:', err);
  }
  return false;
}

export function updateState(newState: Partial<AppState>) {
  Object.assign(state, newState);
}

/**
 * 자산 저장 (Generic API)
 */
export async function saveAsset(category: string, asset: any) {
  try {
    const endpointMap: Record<string, string> = {
      'users': '/api/users/batch',
      'pc': '/api/pc/batch',
      'server': '/api/server/batch',
      'storage': '/api/storage/batch',
      'network': '/api/network/batch',
      'survey': '/api/survey/batch',
      'pcParts': '/api/pc-parts/batch',
      'equipment': '/api/equipment/batch',
      'officeSupplies': '/api/office-supplies/batch',
      'swInternal': '/api/sw/internal/batch',
      'swExternal': '/api/sw/external/batch',
      'cloud': '/api/cloud/batch',
      'domain': '/api/domain/batch',
      'cost': '/api/cost/batch',
      'vip': '/api/vip/batch'
    };

    const url = `${API_BASE_URL}${endpointMap[category]}`;
    const currentList = [...(state.masterData as any)[category]];
    const idx = currentList.findIndex(a => a.id === asset.id);
    
    if (idx > -1) currentList[idx] = asset;
    else currentList.push(asset);

    const response = await fetch(url, {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify(currentList)
    });
    
    if (response.ok) {
        await loadMasterDataFromDB(); // 전역 상태 갱신
        return true;
    }
  } catch (err) {
    console.error('자산 저장 실패:', err);
  }
  return false;
}

/**
 * 자산 삭제 (Generic API - Batch 방식 활용)
 */
export async function deleteAsset(category: string, assetId: string) {
  try {
    const endpointMap: Record<string, string> = {
      'users': '/api/users/batch',
      'pc': '/api/pc/batch',
      'server': '/api/server/batch',
      'storage': '/api/storage/batch',
      'network': '/api/network/batch',
      'survey': '/api/survey/batch',
      'pcParts': '/api/pc-parts/batch',
      'equipment': '/api/equipment/batch',
      'officeSupplies': '/api/office-supplies/batch',
      'swInternal': '/api/sw/internal/batch',
      'swExternal': '/api/sw/external/batch',
      'cloud': '/api/cloud/batch',
      'domain': '/api/domain/batch',
      'cost': '/api/cost/batch',
      'vip': '/api/vip/batch'
    };

    const url = `${API_BASE_URL}${endpointMap[category]}`;
    const currentList = [...(state.masterData as any)[category]];
    const filteredList = currentList.filter(a => a.id !== assetId);

    const response = await fetch(url, {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify(filteredList)
    });
    
    if (response.ok) {
        await loadMasterDataFromDB(); // 전역 상태 갱신
        return true;
    }
  } catch (err) {
    console.error('자산 삭제 실패:', err);
  }
  return false;
}