// 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;
  // Common fields for Employee and Contractor
  phone_number?: string | null;
  aadhar_number?: string | null;
  bank_account_number?: string | null;
  bank_name?: string | null;
  bank_ifsc?: string | null;
  // Contractor-specific fields
  contractor_agreement_number?: string | null;
  pf_number?: string | null;
  esic_number?: string | null;
}

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;
  completed_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"
  | "HalfDay"
  | "Late";

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;
  remark?: string | null;
  created_at: Date;
  employee_name?: string;
  supervisor_name?: string;
  department_name?: string;
  contractor_name?: string;
}

// Employee swap types
export type SwapReason = "LeftWork" | "Sick" | "FinishedEarly" | "Other";
export type SwapStatus = "Active" | "Completed" | "Cancelled";

export interface EmployeeSwap {
  id: number;
  employee_id: number;
  original_department_id: number;
  target_department_id: number;
  original_contractor_id: number | null;
  target_contractor_id: number | null;
  swap_reason: SwapReason;
  reason_details: string | null;
  work_completion_percentage: number;
  swap_date: Date;
  swapped_by: number;
  status: SwapStatus;
  created_at: Date;
  completed_at: Date | null;
  // Joined fields
  employee_name?: string;
  original_department_name?: string;
  target_department_name?: string;
  original_contractor_name?: string;
  target_contractor_name?: string;
  swapped_by_name?: string;
}

export interface CreateSwapRequest {
  employeeId: number;
  targetDepartmentId: number;
  targetContractorId?: number;
  swapReason: SwapReason;
  reasonDetails?: string;
  workCompletionPercentage?: number;
  swapDate: string;
}

export interface UpdateAttendanceStatusRequest {
  status: AttendanceStatus;
  remark?: 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;
  // Common fields for Employee and Contractor
  phoneNumber?: string | null;
  aadharNumber?: string | null;
  bankAccountNumber?: string | null;
  bankName?: string | null;
  bankIfsc?: string | null;
  // Contractor-specific fields
  contractorAgreementNumber?: string | null;
  pfNumber?: string | null;
  esicNumber?: string | null;
}

export interface UpdateUserRequest {
  name?: string;
  email?: string;
  role?: UserRole;
  departmentId?: number | null;
  contractorId?: number | null;
  isActive?: boolean;
  // Common fields for Employee and Contractor
  phoneNumber?: string | null;
  aadharNumber?: string | null;
  bankAccountNumber?: string | null;
  bankName?: string | null;
  bankIfsc?: string | null;
  // Contractor-specific fields
  contractorAgreementNumber?: string | null;
  pfNumber?: string | null;
  esicNumber?: string | null;
}

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;
}

// Standard rate types
export interface StandardRate {
  id: number;
  sub_department_id: number | null;
  activity: string | null;
  rate: number;
  effective_date: Date;
  created_by: number;
  created_at: Date;
  sub_department_name?: string;
  department_name?: string;
  department_id?: number;
  created_by_name?: string;
}

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