import subprocess
import os
from pathlib import Path

from config import load_config

CACHE_DIR = os.path.expanduser(load_config()["cache_dir"])

def fetch_package(meta: dict) -> tuple[Path, Path]:
    CACHE_DIR.mkdir(parents=True, exist_ok=True)
    url = meta["url"]
    filename = meta["filename"]
    sig_url = url + ".sig"

    pkg_path = CACHE_DIR / filename
    sig_path = CACHE_DIR / (filename + ".sig")

    _curl(url, pkg_path)
    _curl(sig_url, sig_path)

    return pkg_path, sig_path

def _curl(url: str, dest: Path):
    print(f":: Fetching {url}")
    subprocess.run(["curl", "-L", "-o", str(dest), url], check=True)