#!/bin/sh
set -eu

SCRIPT_DIR=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
REPO_ROOT=$(dirname -- "$SCRIPT_DIR")
PYTHON_BIN="${PYTHON_BIN:-python3}"
PYTHON_SCRIPT="${1:-$SCRIPT_DIR/main.py}"
REQUIREMENTS_FILE="$REPO_ROOT/requirements.txt"

if [ ! -f "$PYTHON_SCRIPT" ]; then
	echo "Python script not found: $PYTHON_SCRIPT" >&2
	exit 1
fi

export PYTHONPATH="$REPO_ROOT${PYTHONPATH:+:$PYTHONPATH}"
cd "$SCRIPT_DIR"
docker compose pull
docker compose up -d

if [ -f "$REQUIREMENTS_FILE" ]; then
	"$PYTHON_BIN" -m pip install --user -r "$REQUIREMENTS_FILE"
fi

cd "$REPO_ROOT"
exec "$PYTHON_BIN" "$PYTHON_SCRIPT"