type Currency = 'NGN' | 'GHS' | 'USD' | 'ZAR';

type PaymentChannels = 'bank' | 'card' | 'qr' | 'ussd' | 'mobile_money';

type Bearer = 'account' | 'subaccount';

type phone = number | string;

interface PaystackCustomFields {
  display_name: string;
  variable_name: string;
  value: any;
}

interface PaystackMetadata {
  custom_fields: PaystackCustomFields[];
}

interface PaystackMetadata {
  [key: string]: any;
}

export type callback = () => void;

export interface PaystackProps {
  publicKey: string;
  email: string;
  firstname?: string;
  lastname?: string;
  phone?: phone;
  amount: number;
  reference?: string;
  metadata?: PaystackMetadata;
  currency?: Currency;
  channels?: PaymentChannels[];
  label?: string;
  plan?: string;
  quantity?: number;
  subaccount?: string;
  transaction_charge?: number;
  bearer?: Bearer;
  'data-custom-button'?: string;
  split_code?: string;
  split?: Record<string, any>;
}