import { validate, validateSync as _validateSync } from "class-validator";

export enum UserRole {
  ADMIN = 2,
  USER = 1,
  DISABLED = 0,
}

export function validateSync<T extends object>(data: T): void {
  const errors = _validateSync(data);
  if (errors.length > 0) {
    console.error("Validation failed, errors: ", errors);
    throw new Error("Validation failed");
  }
}

export async function validateAsync<T extends object>(data: T): Promise<void> {
  const errors = await validate(data);
  if (errors.length > 0) {
    console.error("Validation failed, errors: ", errors);
    throw new Error("Validation failed");
  }
}

export async function validateAsyncInline<T extends object>(
  data: T
): Promise<T> {
  await validateAsync(data);
  return data;
}

export function ValidateConstructor<T extends { new (...args: any[]): any }>(
  constr: T
) {
  return class extends constr {
    constructor(...args: any[]) {
      super(...args);
      validateSync(this);
    }
  };
}