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);
		}
	};
}