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

export const IS_NOT_IN = "isNotIn";

/**
 * Checks if given value not in a array of allowed values.
 */
export function isNotIn(value: unknown, possibleValues: readonly unknown[]): boolean {
    return !(possibleValues instanceof Array) || !possibleValues.some(possibleValue => possibleValue === value);
}

/**
 * Checks if given value not in a array of allowed values.
 */
export function IsNotIn(values: readonly any[], validationOptions?: ValidationOptions): PropertyDecorator {
    return ValidateBy(
        {
            name: IS_NOT_IN,
            constraints: [values],
            validator: {
                validate: (value, args): boolean => isNotIn(value, args.constraints[0]),
                defaultMessage: buildMessage(
                    (eachPrefix) => eachPrefix + "$property should not be one of the following values: $constraint1",
                    validationOptions
                )
            }
        },
        validationOptions
    );
}