#!/usr/bin/env bash
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
#

set -e

dir=${0%/*}
repair=false
for arg in "$@"; do
  if [ "$arg" == "--repair" ]; then
    repair=true
    shift
    break
  fi
done

if [ ! -d "${dir}"/polaris-venv ] || [ "$repair" == true ]; then
  rm -f "${dir}"/poetry.lock
  rm -f "${dir}/client/python/poetry.lock"

  is_first_time=false
  if [ ! -d "${dir}/polaris-venv" ]; then
    is_first_time=true
    echo "Performing first-time setup for the Python client..."
    python3 -m venv "${dir}"/polaris-venv
  else
    echo "Repair dependencies for the Python client..."
  fi

  . "${dir}"/polaris-venv/bin/activate
  pip install --upgrade pip
  pip install --upgrade -r regtests/requirements.txt

  (cd "${dir}/client/python" && poetry install)

  deactivate

  if [ "$is_first_time" == true ]; then
    echo "First time setup complete."
  else
    echo "Dependencies repaired."
  fi

  if [ "$repair" == true ]; then
    exit 0
  fi
fi

# Check if the correct virtual environment is already active, if not, activate it.
if [ -z "$VIRTUAL_ENV" ] || [ "$(realpath "$VIRTUAL_ENV")" != "$(realpath "${dir}/polaris-venv")" ]; then
  source "${dir}/polaris-venv/bin/activate"
fi

# If polaris is not found after activating the venv, it's likely the venv is old and needs a repair
if ! command -v polaris &> /dev/null; then
  echo "Polaris executable not found. Forcing a repair..." >&2
  "${dir}/polaris" --repair
  source "${dir}/polaris-venv/bin/activate"
fi

export SCRIPT_DIR="${dir}"
exec polaris "$@"
