import { z } from 'zod'
import {Canonical, CanonicalDefinition} from '../service/Canonical'
import {InvalidCanonicalExportError} from '../service/CanonicalInstantiable'
import {Singleton} from '../di'

@Singleton()
export class ValidationUnit extends Canonical<z.ZodType<unknown>> {
    protected appPath = ['types']

    protected canonicalItem = 'type'

    protected suffix = '.js'

    public async initCanonicalItem(definition: CanonicalDefinition): Promise<z.Schema<unknown>> {
        if ( !(definition.imported?.exZodifiedSchema) ) {
            this.logging.debug('Type export is invalid: no exZodifiedSchema found')
            this.logging.debug(definition.imported)
            throw new InvalidCanonicalExportError(definition.originalName)
        }

        return definition.imported.exZodifiedSchema
    }
}