#!/bin/bash

# exit on any errors
set -e

function inform() { echo -e "\n[INFO] $@\n"; }
function warn() { echo -e "\n[WARN] $@\n"; }
function error() { echo -e "\n[ERROR] $@\n"; }

# exit unless user responds with yes
function confirmContinue() {
  while true; do
    read -p "$@ [y/n]" yn
    case $yn in
        [Yy]* ) break;;
        [Nn]* ) exit 0;;
        * ) error "Please answer yes or no.";;
    esac
  done
}

if ! which conda &> /dev/null; then
  error "Conda not found.\n\nVisit https://docs.anaconda.com/anaconda/install/index.html for more info."
  exit 1
fi

# Enable "conda activate" and "conda deactivate"
eval "$(conda shell.bash hook)"

envName=dactyl-keyboard

if [ "$1" = "--uninstall" ]; then
  confirmContinue "Would you like to remove the conda environment $envName?"
  conda deactivate
  conda env remove -n $envName
  inform "Conda environment removed!\n\n\tRun \"conda deactivate\" to ensure the environment has been properly deactivated."

  exit
fi

if conda info --envs | grep $envName &> /dev/null; then
  warn "Conda env \"$envName\" already exists."
  confirmContinue "Do you want to overwrite it?"
fi

inform "Creating conda environment: $envName..."

conda create --name=$envName python=3.7 -y

conda activate $envName

inform "Installing CadQuery..."

conda install -c conda-forge -c cadquery cadquery=2 -y

inform "Installing dataclasses-json..."

pip install dataclasses-json

inform "Installing numpy..."

pip install numpy

inform "Installing scipy..."

pip install scipy

inform "Installing solidpython..."

pip install solidpython

inform "Updating conda dependencies..."

conda update --all -y

inform "Success!\n\n\tRun \"conda activate $envName\" to activate the environment."