#! /bin/bash

while [[ $# -gt 0 ]]
do
key="$1"

case $key in
	-h|--help)
		echo "usage: create-venv [OPTIONS]"
		echo "Creates a python virtual environment and installs all needed packages in"
		echo "the venv."
		echo ""
		echo "OPTIONS"
		echo "  -h, --help      Shows this help and exit"
		exit 0
	;;

	*)
		echo "Unknown option $key"
		exit 1
	;;
esac
done

python3 -m venv venv/
source venv/bin/activate
pip install descartes matplotlib networkx numpy pillow pyproj scipy shapely psycopg2-binary
if [ $? == 1 ]; then
	echo "pip had problems installing some packages"
	echo "Please make sure that all of the following packages are installed in the venv"
	echo "descartes"
	echo "matplotlib"
	echo "networkx"
	echo "numpy"
	echo "pillow"
	echo "pyproj"
	echo "scipy"
	echo "shapely"
	echo "psycopg2-binary"
	echo "NOTE: use 'source venv/bin/activate' before you install the packages"
fi