#!/usr/bin/env bash
# Detect GPU vendor, session type, hostname.

detect_gpu_vendor() {
  local vga
  vga="$(lspci -nn 2>/dev/null | grep -iE 'vga|3d|display' || true)"
  if grep -qi 'nvidia' <<<"$vga"; then
    echo "nvidia"
  elif grep -qiE 'amd|advanced micro devices|ati' <<<"$vga"; then
    echo "amd"
  elif grep -qi 'intel' <<<"$vga"; then
    echo "intel"
  else
    echo "unknown"
  fi
}

detect_all() {
  HOSTNAME_SHORT="$(hostname -s 2>/dev/null || hostname)"
  GPU_VENDOR="$(detect_gpu_vendor)"
  SESSION_TYPE="${XDG_SESSION_TYPE:-unknown}"
  export HOSTNAME_SHORT GPU_VENDOR SESSION_TYPE

  if [[ "$SESSION_TYPE" != "wayland" ]]; then
    warn "Session type is '$SESSION_TYPE' (not wayland). KMS capture still works at the TTY/DRM level, but Hyprland-specific paths assume Wayland."
  fi
  if [[ "$GPU_VENDOR" == "unknown" ]]; then
    warn "Could not detect GPU vendor. Encoder packages will be skipped; HW encode may not work."
  fi
}