export type UserRole = 'admin' | 'technician' | 'user';

export interface User {
  id: number;
  username: string;
  name: string;
  email?: string;
  role: UserRole;
  createdAt: string;
}

export interface CreateUserRequest {
  username: string;
  password: string;
  name: string;
  email?: string;
  role: UserRole;
}

export interface UpdateUserRequest {
  name?: string;
  email?: string;
  role?: UserRole;
}

export interface UserListFilter {
  page?: number;
  limit?: number;
  role?: UserRole;
  search?: string;
}

export interface UserListResponse {
  data: User[];
  pagination: EmployeeSerialPagination;
}

export interface Company {
  id: number;
  name: string;
  status: 'active' | 'disabled';
  createdAt: string;
  serials?: Serial[];
}

export interface Serial {
  id: number;
  serialNumber: string;
  companyId: number;
  companyName: string;
  status: 'active' | 'disabled';
  validUntil: string;
  createdAt: string;
}

export interface GenerateSerialRequest {
  companyName: string;
  serialOption: 'auto' | 'custom';
  serialPrefix?: string;
  quantity: number;
  validOption: 'days' | 'date';
  validDays?: number;
  validUntil?: string;
}

export interface GenerateSerialResponse {
  companyName: string;
  serials: Array<{
    serialNumber: string;
    validUntil: string;
  }>;
  qrCode: string;
}

export interface AuthResponse {
  token: string;
  user: User;
}

export interface LoginRequest {
  username: string;
  password: string;
  remember?: boolean;
}

export interface UpdateProfileRequest {
  name?: string;
  email?: string;
}

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

export interface ApiResponse<T> {
  success: boolean;
  data?: T;
  error?: string;
}

export interface DashboardRecentAftersales {
  serialNumber: string;
  companyName: string;
  serviceType: AftersalesServiceType;
  workOrderStatus: AftersalesWorkOrderStatus;
  authorizationStatus: AftersalesAuthorizationStatus;
  technicianName: string;
  createdAt: string;
}

export interface DashboardStats {
  totalCompanies: number;
  totalSerials: number;
  totalEmployeeSerials: number;
  activeSerials: number;
  inactiveSerials: number;
  totalAftersales: number;
  pendingConfirmation: number;
  closedAftersales: number;
  rejectedAftersales: number;
  monthlyData: Array<{
    month: string;
    companies: number;
    serials: number;
  }>;
  recentCompanies: Company[];
  recentSerials: Serial[];
  recentAftersales: DashboardRecentAftersales[];
}

export interface CompanyFilter {
  search?: string;
  status?: 'all' | 'active' | 'expired';
}

export interface EmployeeSerial {
  serialNumber: string;
  companyName: string;
  position: string;
  employeeName: string;
  isActive: boolean;
  createdAt: string;
  updatedAt?: string;
}

export interface EmployeeSerialFilter {
  search?: string;
  page?: number;
  limit?: number;
}

export interface EmployeeSerialPagination {
  page: number;
  limit: number;
  total: number;
  totalPages: number;
}

export interface EmployeeSerialResponse {
  data: EmployeeSerial[];
  pagination: EmployeeSerialPagination;
}

export type AftersalesServiceType = 'software' | 'hardware' | 'maintenance';
export type AftersalesWorkOrderStatus = 'created' | 'pending_confirmation' | 'closed' | 'rejected';
export type AftersalesAuthorizationStatus = 'pending' | 'authorized' | 'unauthorized';

export interface AftersalesOrder {
  id: number;
  serialNumber: string;
  companyName: string;
  companyAddress: string;
  contactName: string;
  contactPhone: string;
  serviceType: AftersalesServiceType;
  issueDescription: string;
  resolutionNote: string;
  workOrderStatus: AftersalesWorkOrderStatus;
  authorizationStatus: AftersalesAuthorizationStatus;
  technicianId?: number;
  createdBy?: number;
  scannedAt?: string;
  confirmedAt?: string;
  rejectCount: number;
  signature?: string;
  createdAt: string;
  updatedAt: string;
  technician?: User;
  creator?: User;
}

export interface AftersalesPublicView {
  serialNumber: string;
  companyName: string;
  companyAddress: string;
  contactName: string;
  serviceType: AftersalesServiceType;
  issueDescription: string;
  resolutionNote: string;
  workOrderStatus: AftersalesWorkOrderStatus;
  authorizationStatus: AftersalesAuthorizationStatus;
  technicianName: string;
  createdAt: string;
  confirmedAt?: string;
  signature?: string;
}

export interface CreateAftersalesRequest {
  companyName: string;
  companyAddress: string;
  contactName: string;
  contactPhone: string;
  serviceType: AftersalesServiceType;
  issueDescription: string;
  technicianId?: number;
}

export interface UpdateAftersalesRequest {
  companyAddress?: string;
  contactName?: string;
  contactPhone?: string;
  serviceType?: AftersalesServiceType;
  issueDescription?: string;
  resolutionNote?: string;
  technicianId?: number;
}

export interface AftersalesListFilter {
  page?: number;
  limit?: number;
  search?: string;
  workOrderStatus?: AftersalesWorkOrderStatus;
  serviceType?: AftersalesServiceType;
  technicianId?: number;
  mine?: boolean;
}

export interface AftersalesListResponse {
  data: AftersalesOrder[];
  pagination: EmployeeSerialPagination;
}

export interface CustomerConfirmRequest {
  action: 'authorize' | 'reject';
  signature?: string;
  rejectReason?: string;
}