import type { ApplogValue } from '../applog/datom-types.ts'
import type { ISchemaAdapter, VMAttributeDef } from './types.ts'

/**
 * Helper to create a simple schema adapter from a plain attribute list.
 * Useful for quick VM definitions or when you don't have a formal schema library.
 */
export function createAdapterFromAttributes<T extends Record<string, ApplogValue>>(
	config: {
		attributes: VMAttributeDef[]
		entityPrefix: string
		defaults?: Partial<T>
	},
): ISchemaAdapter<T> {
	return {
		getAttributeDefs: () => config.attributes,
		getDefaults: () => (config.defaults ?? {}) as Partial<T>,
		getEntityPrefix: () => config.entityPrefix,
	}
}

/**
 * Helper to build at-paths from attribute names and an entity prefix.
 */
export function buildAtPath(entityPrefix: string, attrName: string): string {
	return `${entityPrefix}/${attrName}`
}