// User types
export type UserRole = "SuperAdmin" | "Supervisor" | "Contractor" | "Employee";

export interface User {
  id: number;
  username: string;
  name: string;
  email: string;
  password?: string;
  role: UserRole;
  department_id: number | null;
  contractor_id: number | null;
  is_active: boolean;
  created_at: Date;
  department_name?: string;
  contractor_name?: string;
}

export interface JWTPayload {
  id: number;
  username: string;
  role: UserRole;
  departmentId: number | null;
  exp: number;
  iat: number;
}

// Department types
export interface Department {
  id: number;
  name: string;
  created_at: Date;
}

export interface SubDepartment {
  id: number;
  department_id: number;
  name: string;
  primary_activity: string;
  created_at: Date;
}

// Work allocation types
export type AllocationStatus = "Pending" | "InProgress" | "Completed" | "Cancelled";

export interface WorkAllocation {
  id: number;
  employee_id: number;
  supervisor_id: number;
  contractor_id: number;
  sub_department_id: number | null;
  activity: string | null;
  description: string | null;
  assigned_date: Date;
  completion_date: Date | null;
  status: AllocationStatus;
  rate: number | null;
  units: number | null;
  total_amount: number | null;
  created_at: Date;
  employee_name?: string;
  supervisor_name?: string;
  contractor_name?: string;
  sub_department_name?: string;
  department_name?: string;
}

// Attendance types
export type AttendanceStatus = "CheckedIn" | "CheckedOut" | "Absent";

export interface Attendance {
  id: number;
  employee_id: number;
  supervisor_id: number;
  check_in_time: Date | null;
  check_out_time: Date | null;
  work_date: Date;
  status: AttendanceStatus;
  created_at: Date;
  employee_name?: string;
  supervisor_name?: string;
  department_name?: string;
  contractor_name?: string;
}

// Contractor rate types
export interface ContractorRate {
  id: number;
  contractor_id: number;
  sub_department_id: number | null;
  activity: string | null;
  rate: number;
  effective_date: Date;
  created_at: Date;
  contractor_name?: string;
  sub_department_name?: string;
  department_name?: string;
}

// API response types
export interface ApiError {
  error: string;
  details?: string;
}

export interface ApiSuccess<T> {
  data: T;
  message?: string;
}

export interface LoginResponse {
  token: string;
  user: Omit<User, "password">;
}

// Request body types
export interface LoginRequest {
  username: string;
  password: string;
}

export interface CreateUserRequest {
  username: string;
  name: string;
  email: string;
  password: string;
  role: UserRole;
  departmentId?: number | null;
  contractorId?: number | null;
}

export interface UpdateUserRequest {
  name?: string;
  email?: string;
  role?: UserRole;
  departmentId?: number | null;
  contractorId?: number | null;
  isActive?: boolean;
}

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

export interface CreateWorkAllocationRequest {
  employeeId: number;
  contractorId: number;
  subDepartmentId?: number | null;
  activity?: string | null;
  description?: string | null;
  assignedDate: string;
  rate?: number | null;
  units?: number | null;
  totalAmount?: number | null;
  departmentId?: number | null;
}

export interface CheckInOutRequest {
  employeeId: number;
  workDate: string;
}

export interface CreateContractorRateRequest {
  contractorId: number;
  subDepartmentId?: number | null;
  activity?: string | null;
  rate: number;
  effectiveDate: string;
}