import type Router from "@koa/router";
import type { default as Koa } from "koa";
import mount from "koa-mount";
import Static from "koa-static";
import { Middlewares } from "sealious";
import type TheApp from "../app.js";
import { imageRouter, RESPONSIVE_IMAGES_URL_PATH } from "../image-router.js";
import { customUrlView } from "./middlewares/customUrlView.js";
import mountAutoRoutes from "./routes.js";
import _locreq from "locreq";
import sitemapPage from "../sitemap.xml.js";
const locreq = _locreq(new URL("./", import.meta.url).pathname);

export const mainRouter = (app: TheApp, koa_app: Koa, router: Router): void => {
	const started_at = Date.now(); // necessary to detect aplication restarts

	router.get("(.*)", async (ctx, next) => {
		// custom redirects
		if (ctx.body) return;
		const {
			items: [redirect],
		} = await app.collections.redirects
			.suList()
			.filter({ from_url: ctx.url })
			.fetch();
		if (redirect) {
			ctx.status = parseInt(redirect.get("type"));
			ctx.redirect(redirect.get("to_url"));
			return;
		}
		await next();
	});

	koa_app.use(mount("/", Static(locreq.resolve("public"))));
	koa_app.use(Middlewares.extractContext());
	koa_app.use(customUrlView(app));
	app.initRouter(router);
	koa_app.use(router.routes());

	router.use(Middlewares.extractContext());
	router.get("/status.json", Middlewares.extractContext(), async (ctx) => {
		ctx.body = { status: ctx.$app.status, started_at };
	});

	router.get("/sitemap.xml", async (ctx) => {
		ctx.set("Content-Type", "application/xml");
		ctx.body = await sitemapPage.render(ctx);
	});

	router.use(RESPONSIVE_IMAGES_URL_PATH, imageRouter.getRoutes());

	mountAutoRoutes(router);
};