#!/usr/bin/env bash
set -euo pipefail

repo="${SBP_REPO:-justypist/sbp}"
branch="${SBP_BRANCH:-main}"
dest="${SBP_BIN:-$HOME/.local/bin}"
url="https://raw.githubusercontent.com/${repo}/${branch}/sbp"

command -v curl >/dev/null 2>&1 || { echo "error: curl is required" >&2; exit 1; }
command -v python3 >/dev/null 2>&1 || { echo "error: python3 is required" >&2; exit 1; }

mkdir -p "$dest"
tmp="$(mktemp)"
trap 'rm -f "$tmp"' EXIT

curl -fsSL "$url" -o "$tmp"
head -n 1 "$tmp" | grep -q '^#!/usr/bin/env python3' || {
  echo "error: unexpected content from $url" >&2
  exit 1
}
chmod 755 "$tmp"
mv "$tmp" "$dest/sbp"
trap - EXIT

echo "installed $dest/sbp"
case ":$PATH:" in
  *":$dest:"*) ;;
  *) echo "note: add $dest to PATH, for example: export PATH=\"$dest:\$PATH\"" ;;
esac

if [ "${1:-}" = "--run" ]; then
  exec "$dest/sbp" install "${@:2}"
fi