import {createLogger} from "@gongt/ts-stl-library/debug/create-logger";
import {LOG_LEVEL} from "@gongt/ts-stl-library/debug/levels";
import {Application} from "express-serve-static-core";
import {dirname, resolve} from "path";
import {resolve as resolveUrl} from "url";
import {createServeStatic} from "../inject/serve-static";
import {HtmlContainer, IContainerPlugin} from "../middlewares/html-render";
import {IExpressProvide} from "../middlewares/well-known-provider";

const debug = createLogger(LOG_LEVEL.DEBUG, 'npm-plug');

export class npmPackagePlugin implements IContainerPlugin<{}>, IExpressProvide {
	private root: string;
	private publicUrl: string;
	
	constructor(packageJsonFile = process.cwd() + '/package.json', publicUrl: string) {
		this.root = resolve(dirname(packageJsonFile), 'node_modules');
		this.publicUrl = resolveUrl(publicUrl, 'node_modules');
	}
	
	__express_provide(app: Application) {
		debug('serve-static[jspm]:\n\t\tpath=%s\n\t\tlocal=%s', this.publicUrl, this.root);
		app.use(this.publicUrl, createServeStatic(this.root));
	}
	
	__modify_html(html: HtmlContainer): void {
	}
}