import { mkdir, cp, rm } from "fs/promises";
import { join } from "path";
import { renderIndex } from "./src/index";
import { renderLogin } from "./src/login";
import { renderKostenrechner } from "./src/kostenrechner";
import { renderFristenrechner } from "./src/fristenrechner";
import { renderDownloads } from "./src/downloads";
import { renderLinks } from "./src/links";
import { renderGlossar } from "./src/glossar";

const DIST = join(import.meta.dir, "dist");

async function build() {
  // Clean dist/
  await rm(DIST, { recursive: true, force: true });
  await mkdir(join(DIST, "assets"), { recursive: true });

  // Bundle client-side JS
  const result = await Bun.build({
    entrypoints: [
      join(import.meta.dir, "src/client/index.ts"),
      join(import.meta.dir, "src/client/login.ts"),
      join(import.meta.dir, "src/client/kostenrechner.ts"),
      join(import.meta.dir, "src/client/fristenrechner.ts"),
      join(import.meta.dir, "src/client/downloads.ts"),
      join(import.meta.dir, "src/client/links.ts"),
      join(import.meta.dir, "src/client/glossar.ts"),
    ],
    outdir: join(DIST, "assets"),
    naming: "[name].js",
    minify: true,
  });

  if (!result.success) {
    console.error("JS build failed:");
    for (const log of result.logs) {
      console.error(log);
    }
    process.exit(1);
  }

  // Copy CSS
  await cp(
    join(import.meta.dir, "src/styles/global.css"),
    join(DIST, "assets/global.css"),
  );

  // Render HTML pages
  await Bun.write(join(DIST, "index.html"), renderIndex());
  await Bun.write(join(DIST, "login.html"), renderLogin("login.js"));
  await Bun.write(join(DIST, "kostenrechner.html"), renderKostenrechner());
  await Bun.write(join(DIST, "fristenrechner.html"), renderFristenrechner());
  await Bun.write(join(DIST, "downloads.html"), renderDownloads());
  await Bun.write(join(DIST, "links.html"), renderLinks());
  await Bun.write(join(DIST, "glossar.html"), renderGlossar());

  console.log("Build complete \u2192 dist/");
}

build();