import { ValidateSchema } from '~/data/protocols';
import { JoiValidator } from '~/infra/joi/validators/use-cases/joi-common-validator';

export class JoiArrayValidator extends JoiValidator<'array'> implements ValidateSchema<'array'> {
	validate(model: ValidateSchema.Model<'array'>, value: unknown): string[] | null {
		const result = super.validate(model, value);

		if (value === null && !model.rules.required && result?.length) {
			/**
			 * Joi doesnt allow ArraySchema to call [ schema.allow ],
			 * so I don't know any other simple way to make our array schemas allow null as well
			 */
			return null;
		}

		return result;
	}
}