export interface Department {
  id: string;
  name: string;
  parentId?: string;
  order: number;
  createdAt: string;
}

export interface Member {
  id: string;
  name: string;
  departmentId: string;
  roleId: string;
  phone: string;
  email: string;
  password: string;
  createdAt: string;
}

export interface RoleItem {
  id: string;
  name: string;
  description?: string;
  createdAt: string;
  isSystem?: boolean;
}

export interface PasswordRule {
  prefix: string;
  length: number;
  includeUppercase: boolean;
  includeLowercase: boolean;
  includeNumbers: boolean;
  includeSpecial: boolean;
}

export const DEFAULT_PASSWORD_RULE: PasswordRule = {
  prefix: 'Ftb',
  length: 8,
  includeUppercase: true,
  includeLowercase: true,
  includeNumbers: true,
  includeSpecial: false,
};

export function generatePassword(rule: PasswordRule): string {
  let chars = '';
  if (rule.includeUppercase) chars += 'ABCDEFGHJKLMNPQRSTUVWXYZ';
  if (rule.includeLowercase) chars += 'abcdefghjkmnpqrstuvwxyz';
  if (rule.includeNumbers) chars += '23456789';
  if (rule.includeSpecial) chars += '!@#$%&*';
  if (!chars) chars = 'abcdefghjkmnpqrstuvwxyz23456789';

  const randomLength = Math.max(rule.length - rule.prefix.length, 4);
  let result = rule.prefix;
  for (let i = 0; i < randomLength; i++) {
    result += chars[Math.floor(Math.random() * chars.length)];
  }
  return result;
}

export function maskPhone(phone: string): string {
  if (!phone || phone.length < 7) return phone;
  return phone.slice(0, 3) + '****' + phone.slice(7);
}