import { apiContext } from "service-srv";
import { dir } from "utils/dir";
import { g } from "utils/global";
import { generateIndexHtml } from "../server/serve-web";
import mime from "mime";

export const _ = {
  url: "/_file/**",
  async api() {
    const { req } = apiContext(this);
    const rpath = decodeURIComponent(req.params._);

    let res = new Response("NOT FOUND", { status: 404 });
    try {
      if (rpath.startsWith("site")) {
        if (rpath === "site-html") {
          res = new Response(generateIndexHtml("[[base_url]]", "[[site_id]]"));
        }
        if (rpath === "site-zip") {
          const path = dir(`app/static/site.zip`);
          res = new Response(Bun.file(path));
        }
        if (rpath === "site-md5") {
          const path = dir(`app/static/md5`);
          res = new Response(Bun.file(path));
        }
      } else if (rpath.startsWith("current-")) {
        if (rpath.startsWith("current-md5-")) {
          const site_id = rpath.substring("current-md5-".length);
          const path = dir(`app/web/${site_id}/current`);
          res = new Response(Bun.file(path));
        } else {
          const site_id = rpath.substring("current-".length);
          const path = dir(`app/web/${site_id}/current`);
          const id = await Bun.file(path).text();
          if (id) {
            const path = dir(`app/web/${site_id}/deploys/${id}`);
            res = new Response(Bun.file(path));
          }
        }
      }
    } catch (e) {
      res = new Response("NOT FOUND", { status: 404 });
    }

    const path = dir(`${g.datadir}/upload/${rpath}`);
    const file = Bun.file(path);

    if (await file.exists()) {
      res = new Response(file);
    } else {
      res = new Response("NOT FOUND", { status: 404 });
    }

    const arr = path.split("-");
    const ext = arr.pop();
    const fname = arr.join("-") + "." + ext;
    const ctype = mime.getType(fname);
    if (ctype) {
      res.headers.set("content-type", ctype);
    }

    res.headers.set("Access-Control-Allow-Origin", "*");
    res.headers.set("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT");
    res.headers.set("Access-Control-Allow-Headers", "content-type");
    res.headers.set("Access-Control-Allow-Credentials", "true");

    return res;
  },
};