import { ValidationOptions } from "../ValidationOptions";
import { buildMessage, ValidateBy } from "../common/ValidateBy";

export const NOT_EQUALS = "notEquals";

/**
 * Checks if value does not match ("!==") the comparison.
 */
export function notEquals(value: unknown, comparison: unknown): boolean {
    return value !== comparison;
}

/**
 * Checks if value does not match ("!==") the comparison.
 */
export function NotEquals(comparison: any, validationOptions?: ValidationOptions): PropertyDecorator {
    return ValidateBy(
        {
            name: NOT_EQUALS,
            constraints: [comparison],
            validator: {
                validate: (value, args): boolean => notEquals(value, args.constraints[0]),
                defaultMessage: buildMessage(
                    (eachPrefix) => eachPrefix + "$property should not be equal to $constraint1",
                    validationOptions
                )
            }
        },
        validationOptions
    );
}