#!/bin/bash
set -x

tools_bin_dir="${BASH_SOURCE%/*}"
node_version=v12.16.3

if [[ ! -d $tools_bin_dir/node-$node_version ]]; then
  if [[ "$OSTYPE" == "linux-gnu"* ]]; then
    # Linux
    if ! curl -sfL "https://nodejs.org/dist/$node_version/node-$node_version-linux-x64.tar.gz" | tar zxf - --directory "$tools_bin_dir"; then
      printf "Something went wrong while installing linux-gnu nodejs\n" 1>&2
      exit 1
    else
      mv $tools_bin_dir/node-$node_version-linux-x64 $tools_bin_dir/node-$node_version
    fi
  elif [[ "$OSTYPE" == "darwin"* ]]; then
    # Mac OSX
    if ! curl -sfL "https://nodejs.org/dist/$node_version/node-$node_version-darwin-x64.tar.gz" | tar zxf - --directory "$tools_bin_dir"; then
      printf "Something went wrong while installing Mac OSX nodejs\n" 1>&2
      exit 1
    else
      mv $tools_bin_dir/node-$node_version-darwin-x64 $tools_bin_dir/node-$node_version
    fi
  elif [[ "$OSTYPE" == "cygwin" ]]; then
    # Windows
    if ! wget -qO- https://nodejs.org/dist/$node_version/node-$node_version-win-x64.zip | bsdtar -xf- -C tools; then
      printf "Something went wrong while installing Windows nodejs\n" 1>&2
      exit 1
    else
      mv $tools_bin_dir/node-$node_version-win-x64 $tools_bin_dir/node-$node_version
      # the windows install doesn't conform to the same directory structure so making it conform
      mkdir $tools_bin_dir/node-$node_version/bin
      mv $tools_bin_dir/node-$node_version/n* $tools_bin_dir/node-$node_version/bin
      chmod -R a+x $tools_bin_dir/node-$node_version/bin
    fi
  fi

  # npm requires node to also be on the path
  export PATH=$(realpath $tools_bin_dir)/node-$node_version/bin:$PATH

  # Proxy / SSL issues when using custom CAs with proxy / self signed certs.
  # This assumes the system certs are up to date and is on linux or in docker
  if [ -r /etc/ssl/certs/ca-certificates.crt ]; then
    export NODE_EXTRA_CA_CERTS=/etc/ssl/certs/ca-certificates.crt
  fi

  # angular-cli is required by angular build
  if ! npm i -g @angular/cli; then
    printf "Something went wrong while installing Angular CLI (ng)\n" 1>&2
    exit 1
  fi
  # yarn is required by angular build
  if ! npm i -g yarn; then
    printf "Something went wrong while installing yarn\n" 1>&2
    exit 1
  fi
  cd ..
fi