"use strict";

const Koa = require("koa");
const app = new Koa();

const helmet = require("koa-helmet");

const actions = require("./actions.js");
const responders = require("./responders.js");

const config = require("./modules/config.js");

const Router = require("koa-router");
const router = new Router();

app.context.getURL = router.url.bind(router);

module.exports = async function() {
  const Posts = await require("./domain/posts.js")(config.posts, basename =>
    router.url("post", basename)
  );

  router.get("home", "/", actions.home(config, responders.home, Posts.posts));

  router.get(
    "posts",
    "/post",
    actions.posts(config, responders.list, Posts.posts)
  );

  router.get(
    "highlight-theme",
    "/css/code.css",
    actions.highlightTheme(config)
  );

  router.get(
    "post",
    "/post/:filename",
    actions.post(config, responders.post, Posts.posts)
  );

  for (let [term, items] of Posts.taxonomies) {
    router.get(
      `taxon-${term}`,
      `/${term}/:value`,
      actions.taxonGenerator(config, responders.list, term, items)
    );
  }

  app.use(
    helmet({
      hsts: {
        setIf: ctx => ctx.secure
      }
    })
  );

  app.use(router.routes()).use(router.allowedMethods());

  app.use(actions.serveFiles);

  return app;
};