import { ValidationError } from '~/domain/entities/validation-error';

export interface IAnySchema<T extends string = string> {
	// readonly schemaDescriptor: symbol;
	readonly type: T;
	readonly rules: IAnySchemaRules;

	/**
	 * Check if the value is not valid
	 *
	 * @param {unknown} value - the value to be validated
	 *
	 * @returns {string|null}
	 * if there's an error, return a string message
	 * if there's no error, return null
	 */
	validate: (value: unknown) => ValidationError | null;
}

export interface IAnySchemaRules {
	readonly required?: boolean;
}

export abstract class BaseSchema {
	public static SCHEMA_DESCRIPTOR: symbol = Symbol('schema-descriptor');

	protected readonly descriptor: symbol = BaseSchema.SCHEMA_DESCRIPTOR;
}