#!/bin/bash

version=v20.5.1
version2=v0.39.4

#Checking if using armv6
if [ ! -z "$(cat /proc/cpuinfo | grep ARMv6)" ];then
  error "armv6 cpu not supported"
fi
if ! command -v curl >/dev/null ; then
  echo -e "\033[0;31mcurl: command not found. Installing now...\e[39m"
  install_packages curl || exit 1
fi
#Install nvm manager:
export NVM_DIR="$HOME/.nvm"
mkdir -p "$NVM_DIR"
wget -qO- "https://raw.githubusercontent.com/nvm-sh/nvm/${version2}/install.sh" | bash || error "Failed to install nvm!"

if [ "$arch" == 32 ];then
  #armhf, so patch nvm script to forcibly use armhf
  sed -i 's/^  nvm_echo "${NVM_ARCH}"/  NVM_ARCH=armv7l ; nvm_echo "${NVM_ARCH}"/g' "$NVM_DIR/nvm.sh"
fi

#remove original nvm stuff from bashrc
sed -i '/NVM_DIR/d' ~/.bashrc
# Create nvm initialisation script in another file for easier uninstallation
# Credit: https://www.growingwiththeweb.com/2018/01/slow-nvm-init.html
echo 'if [ -s "$HOME/.nvm/nvm.sh" ] && [ ! "$(type -t __init_nvm)" = function ]; then
  export NVM_DIR="$HOME/.nvm"
  [ -s "$NVM_DIR/bash_completion" ] && . "$NVM_DIR/bash_completion"
  declare -a __node_commands=("nvm" "node" "npm" "yarn" "gulp" "grunt" "webpack")
  function __init_nvm() {
    for i in "${__node_commands[@]}"; do unalias $i; done
    . "$NVM_DIR"/nvm.sh
    unset __node_commands
    unset -f __init_nvm
  }
  for i in "${__node_commands[@]}"; do alias $i="__init_nvm && "$i; done
fi' > ~/.node_bashrc
echo ". ~/.node_bashrc" >> ~/.bashrc

# One time use, since `source ~/.bashrc` not working
export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"  # This loads nvm

# Install latest nodejs
nvm install node || error "Failed to install node.js with nvm!"