#!/usr/bin/env sh
set -eu

SCRIPT_DIR="$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)"
AGENT_DIR="$(CDPATH= cd -- "$SCRIPT_DIR/.." && pwd)"
VENV_DIR="${FEDEO_SCAN_POSTPROCESS_VENV:-$AGENT_DIR/.venv-opencv}"
PYTHON_BIN="${PYTHON:-python3}"

echo "FEDEO OpenCV-Umgebung wird vorbereitet"
echo "Agent: $AGENT_DIR"
echo "Venv:  $VENV_DIR"

if ! command -v "$PYTHON_BIN" >/dev/null 2>&1; then
  echo "Fehler: $PYTHON_BIN wurde nicht gefunden." >&2
  exit 1
fi

"$PYTHON_BIN" -m venv "$VENV_DIR"
"$VENV_DIR/bin/python" -m pip install --upgrade pip
"$VENV_DIR/bin/python" -m pip install -r "$AGENT_DIR/requirements-opencv.txt"
"$VENV_DIR/bin/python" -c "import cv2, PIL, numpy; print('OpenCV OK')"

echo
echo "Fertig. Verwende in .env:"
echo "FEDEO_SCAN_POSTPROCESS=true"
echo "FEDEO_SCAN_POSTPROCESS_PYTHON=$VENV_DIR/bin/python"