import { LanguageIdentifier } from 'base/common/languages/languages';
import { providerContainer } from '../ProviderContainer.config';
import { StructurerProvider } from './_base/StructurerProvider';
import { IStructurerProvider } from 'src/ProviderTypes';

export class StructurerProviderManager {
	private static instance: StructurerProviderManager;

	private constructor() {}

	static getInstance(): StructurerProviderManager {
		if (!StructurerProviderManager.instance) {
			StructurerProviderManager.instance = new StructurerProviderManager();
		}
		return StructurerProviderManager.instance;
	}

	getStructurer(lang: LanguageIdentifier): StructurerProvider | undefined {
		let testProviders = providerContainer.getAll(IStructurerProvider);
		let provider = testProviders.find(provider => {
			return provider.isApplicable(lang);
		});

		if (!provider) {
			return undefined;
		}

		return provider;
	}
}