export interface ApiResponse<T> {
  code: number;
  message: string;
  data: T | null;
}

export type Role = 'ADMIN' | 'SECURITY' | 'HOST';

export interface CurrentUser {
  id: number;
  username: string;
  fullName: string;
  department?: string;
  email?: string;
  roles: Role[];
  mustChangePassword: boolean;
}

export interface LoginRequest {
  username: string;
  password: string;
}

export interface ChangePasswordRequest {
  oldPassword: string;
  newPassword: string;
}

export interface Zone {
  id: number;
  code: string;
  name: string;
  securityLevel: number;
}

export interface PurposeCode {
  id: number;
  code: string;
  name: string;
  sortOrder: number;
  active: boolean;
  customAllowed: boolean;
}

export interface Watcher1Settings {
  name: string;
  team: string;
  contact: string;
}

export interface SmsDiagnosticsResult {
  provider: string;
  url: string;
  ok: boolean;
  reachable: boolean;
  httpStatus: number | null;
  elapsedMs: number;
  checkedAt: string;
  error: string | null;
}

export interface EmailDiagnosticsResult {
  host: string;
  port: number;
  from: string;
  smtpAuth: boolean;
  startTls: boolean;
  usernameConfigured: boolean;
  passwordConfigured: boolean;
  ok: boolean;
  reachable: boolean;
  elapsedMs: number;
  checkedAt: string;
  error: string | null;
}

export interface Team {
  id: number;
  code: string;
  name: string;
  active: boolean;
  defaultRoles: Role[];
}

export interface AdminUser {
  id: number;
  username: string;
  fullName: string;
  department?: string;
  teamId?: number;
  teamCode?: string;
  teamName?: string;
  email?: string;
  enabled: boolean;
  locked: boolean;
  roles: Role[];
}

export type VisitStatus =
  | 'DRAFT'
  | 'PENDING'
  | 'APPROVED'
  | 'REJECTED'
  | 'CANCELLED'
  | 'EXPIRED';

export interface VisitRequestCreate {
  visitorName: string;
  company?: string;
  contact: string;
  email?: string;
  vehicleNo?: string;
  /** 전산실 checkboxes; each selected room yields its own request/QR. */
  serverRooms?: string[];
  /** Detail room (콤보박스, 기타 자유 입력) — auxiliary, no separate QR. */
  roomZone?: string;
  purpose: string;
  purposeCode?: string;
  purposeDetail?: string;
  /** 작업명 — optional concrete task detail, stored separately from purpose. */
  workName?: string;
  /** 현장감시자2 (담당자 입력). 담당자·감시자1은 서버가 채운다. */
  watcher2Name?: string;
  watcher2Team?: string;
  watcher2Contact?: string;
  visitFrom: string; // ISO local datetime
  visitTo: string;
}

export interface VisitRequestView {
  id: number;
  visitorName: string;
  company?: string;
  contact?: string;
  email?: string;
  vehicleNo?: string;
  hostId: number;
  hostName: string;
  hostDepartment?: string;
  zoneName?: string;
  purpose: string;
  purposeCode?: string;
  purposeDetail?: string;
  workName?: string;
  controlName?: string;
  controlTeam?: string;
  controlContact?: string;
  watcher1Name?: string;
  watcher1Team?: string;
  watcher1Contact?: string;
  watcher2Name?: string;
  watcher2Team?: string;
  watcher2Contact?: string;
  visitFrom: string;
  visitTo: string;
  status: VisitStatus;
  qrToken?: string;
  createdAt: string;
}

export interface PublicPass {
  visitorName: string;
  company?: string;
  zoneName?: string;
  visitFrom: string;
  visitTo: string;
  /** Whether the visitor is currently inside — drives the kiosk 입장/퇴장 button. */
  inside: boolean;
  /** Whether the visit already completed (entered & exited) today — blocks re-entry. */
  completedToday: boolean;
}

export interface ExcelImportResult {
  totalRows: number;
  successCount: number;
  errors: string[];
  success: boolean;
}

export interface AdminExcelImportRow {
  rowNumber: number;
  status: 'CREATE' | 'UPDATE' | 'ERROR' | string;
  key?: string;
  summary?: string;
  errors: string[];
  warnings: string[];
}

export interface AdminExcelImportResult {
  totalRows: number;
  createCount: number;
  updateCount: number;
  errorCount: number;
  warningCount: number;
  applied: boolean;
  success: boolean;
  rows: AdminExcelImportRow[];
}

export interface InsideVisitor {
  visitRequestId: number;
  visitorName: string;
  company?: string;
  zoneName?: string;
  hostName: string;
  checkInAt: string;
}

export interface AccessRecord {
  visitRequestId: number;
  visitorName: string;
  company?: string;
  zoneName?: string;
  visitFrom: string;
  visitTo: string;
  status?: VisitStatus;
  checkInAt?: string;
  checkOutAt?: string;
  inside: boolean;
}

export interface AccessAction {
  visitRequestId: number;
  visitorName: string;
  direction: 'IN' | 'OUT';
  eventAt: string;
  gateOpened: boolean;
  message: string;
}

export interface StatsSummary {
  todayVisits: number;
  pending: number;
  approved: number;
  currentlyInside: number;
  total: number;
}

export interface BlacklistItem {
  id: number;
  name: string;
  company?: string;
  contact?: string;
  reason: string;
  active: boolean;
  createdByName?: string;
  createdAt: string;
}

export interface BlacklistCreate {
  name: string;
  company?: string;
  contact?: string;
  reason: string;
}

export interface AuditLog {
  id: number;
  at: string;
  actorId?: number;
  actorUsername?: string;
  action: 'APPROVE' | 'REJECT' | 'BLACKLIST_ADD' | 'BLACKLIST_REMOVE' | 'ADMIN_CONFIG_UPDATE';
  targetType?: string;
  targetId?: number;
  detail?: string;
}

export type DeliveryStatus = 'SENT' | 'FAILED';

export interface PassDelivery {
  id: number;
  visitRequestId: number;
  channel?: string;
  recipient?: string;
  status: DeliveryStatus;
  attempts: number;
  lastError?: string;
  createdAt: string;
  updatedAt: string;
}