/**
 * Represents the last used payment method.
 */
export class LastUsedMethod {
  public id?: string;
  public type?: LastUsedMethodType;

  constructor(params?: { id?: string; type?: LastUsedMethodType }) {
    this.id = params?.id;
    this.type = params?.type;
  }
}

export function lastUsedMethodFromJson(json: any): LastUsedMethod {
  if (!json || typeof json !== 'object') {
    // Return an empty instance or handle error as needed
    return new LastUsedMethod();
  }

  const { id, type } = json;
  return new LastUsedMethod({
    id: typeof id === 'string' ? id : undefined,
    type:
      typeof type === 'string'
        ? lastUsedMethodTypeFromJson(type as LastUsedMethodTypeString)
        : undefined,
  });
}

/**
 * Enum that represents possible last-used-method types in
 * canonical uppercase snake case.
 */
export enum LastUsedMethodType {
  CustomerBalance = 'CUSTOMER_BALANCE',
  SavedCard = 'SAVED_CARD',
  PaymentMethod = 'PAYMENT_METHOD',
}

/**
 * Type union listing all possible string representations
 * that might appear in JSON for LastUsedMethodType.
 */
export type LastUsedMethodTypeString =
  | 'customer_balance'
  | 'saved_card'
  | 'payment_method';

/**
 * Converts a JSON string value into a LastUsedMethodType enum member.
 * Throws an error if the value is unrecognized.
 */
export function lastUsedMethodTypeFromJson(
  json: LastUsedMethodTypeString
): LastUsedMethodType {
  const _jsonMap: Record<LastUsedMethodTypeString, LastUsedMethodType> = {
    customer_balance: LastUsedMethodType.CustomerBalance,
    saved_card: LastUsedMethodType.SavedCard,
    payment_method: LastUsedMethodType.PaymentMethod,
  };

  const method = _jsonMap[json];
  if (method !== undefined) {
    return method;
  }
  throw new Error(`Unsupported LastUsedMethodType JSON value: ${json}`);
}