/**
 * One-time script to upload local assets to Val Town blob storage.
 * Run with: deno run --allow-read --allow-net --allow-env --allow-import scripts/upload-assets.ts
 *
 * Requires VT_API_KEY env var or uses `vt config get apiKey` output.
 */

const API_BASE = "https://api.val.town/v1/blob";

async function getApiKey(): Promise<string> {
  const env = Deno.env.get("VT_API_KEY") || Deno.env.get("valtown");
  if (env) return env;

  // Fall back to vt CLI config
  const cmd = new Deno.Command("vt", { args: ["config", "get", "apiKey"] });
  const output = await cmd.output();
  const text = new TextDecoder().decode(output.stdout);
  const match = text.match(/apiKey:\s*(\S+)/);
  if (match) return match[1];
  throw new Error("No API key found. Set VT_API_KEY env var.");
}

const apiKey = await getApiKey();
const ASSETS_DIR = new URL("../assets/", import.meta.url).pathname;

const files = [
  "openpds-transparent.png",
  "openpds.png",
];

for (const file of files) {
  const path = `${ASSETS_DIR}${file}`;
  const data = await Deno.readFile(path);
  const key = `assets/${file}`;

  const resp = await fetch(`${API_BASE}/${encodeURIComponent(key)}`, {
    method: "POST",
    headers: {
      "Authorization": `Bearer ${apiKey}`,
    },
    body: data,
  });

  if (!resp.ok) {
    const body = await resp.text();
    console.error(`Failed to upload ${file}: ${resp.status} ${body}`);
    Deno.exit(1);
  }

  console.log(`Uploaded ${file} → blob:${key} (${data.length} bytes)`);
}

console.log("Done!");