import config from '../../../shared/config';
import type {ConfigInstance} from '../../../shared/config/loader';

/**
 * Where adapters are looked up, in order. Also read by bin/validate-adapters.ts,
 * which checks adapter implementations at build time - keep this the only place
 * the lookup order is declared, so a name resolves there exactly as it does here.
 */
export function buildAdapterPaths(configInstance: ConfigInstance): string[] {
    return Array.from(new Set<string>([
        '', // A blank path will cause us to check node_modules for the adapter
        configInstance.get('paths').internalAdaptersPath,

        // custom docker builds may install adapters in a separate path from content,
        // since the content dir is often bind-mounted into the container. Offering
        // an escape hatch here to allow for this
        configInstance.get('paths').installedAdaptersPath ?? '',

        // load adapters from content last, so that they don't override any other
        // internal or platform-installed adapters
        // TODO: potentially deprecate/remove as part of Ghost 7.0
        configInstance.getContentPath('adapters')
    ]));
}

export const adapterPaths: string[] = buildAdapterPaths(config);