#!/usr/bin/env bash


# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.

# Permission is hereby granted, free of charge, to any person obtaining a copy of
# this software and associated documentation files (the "Software"), to deal in
# the Software without restriction, including without limitation the rights to
# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
# the Software, and to permit persons to whom the Software is furnished to do so.

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.




# stop script on error
set -e

# Check to see if root CA file exists, download if not
if [ ! -f ./root-CA.crt ]; then
  printf "\nDownloading AWS IoT Root CA certificate from AWS...\n"
  curl https://www.amazontrust.com/repository/AmazonRootCA1.pem > root-CA.crt
fi

# Check to see if AWS Device SDK for Python exists, download if not
if [ ! -d ./aws-iot-device-sdk-python ]; then
  printf "\nCloning the AWS SDK...\n"
  git clone https://github.com/aws/aws-iot-device-sdk-python.git
fi

# Check to see if AWS Device SDK for Python is already installed, install if not
if ! python -c "import AWSIoTPythonSDK" &> /dev/null; then
  printf "\nInstalling AWS SDK...\n"
  pushd aws-iot-device-sdk-python
  pip install AWSIoTPythonSDK
  result=$?
  popd
  if [ $result -ne 0 ]; then
    printf "\nERROR: Failed to install SDK.\n"
    exit $result
  fi
fi

# run pub/sub sample app using certificates downloaded in package
printf "\nRunning pub/sub sample application...\n"
python3 simulator.py -r root-CA.crt -c all_pumping_stations.cert.pem -k all_pumping_stations.private.key