// src/pages/api/convert.ts
import type { APIRoute } from "astro";

const API_URL = import.meta.env.FLASH_MD_API_URL;
const API_KEY = import.meta.env.FLASH_MD_API_KEY;

async function pollJob(jobId: string): Promise<string> {
  while (true) {
    await new Promise((r) => setTimeout(r, 5000));
    const res = await fetch(`${API_URL}/jobs/${jobId}`, {
      headers: { "x-api-key": API_KEY },
    });
    const data = await res.json();
    if (data.status === "completed") return data.body;
    if (data.status === "failed") throw new Error(data.error);
  }
}

export const POST: APIRoute = async ({ request }) => {
  const form = await request.formData();
  const file = form.get("file") as File | null;

  if (!file) {
    return new Response(JSON.stringify({ error: "Missing file" }), { status: 400 });
  }

  const res = await fetch(
    `${API_URL}/convert/raw?filename=${encodeURIComponent(file.name)}&mode=fast`,
    {
      method: "POST",
      headers: {
        "x-api-key": API_KEY,
        "content-type": file.type || "application/octet-stream",
      },
      body: file,
    }
  );

  if (res.status === 200) {
    return new Response(await res.text(), {
      headers: { "content-type": "text/markdown; charset=utf-8" },
    });
  }

  if (res.status === 202) {
    const job = await res.json();
    const markdown = await pollJob(job.job_id);
    return new Response(markdown, {
      headers: { "content-type": "text/markdown; charset=utf-8" },
    });
  }

  return new Response(await res.text(), { status: res.status });
};

---
// src/pages/upload.astro
---
  <form id="form">
    <input type="file" name="file" accept=".pdf,.docx,.csv,.xlsx,.pptx,.txt" required />
    <button type="submit">Convertir</button>
  </form>
  <pre id="output"></pre>

  <script>
    const form = document.querySelector("form")!;
    const output = document.getElementById("output")!;

    form.addEventListener("submit", async (e) => {
      e.preventDefault();
      output.textContent = "Convirtiendo...";
      const data = new FormData(form);
      const res = await fetch("/api/convert", { method: "POST", body: data });
      output.textContent = await res.text();
    });
  </script>