setup

#!/usr/bin/env sh

fancy_echo() {
  local fmt="$1"; shift

  # shellcheck disable=SC2059
  printf "\\n$fmt\\n" "$@"
}

install_linux_deps() {
  local LINUX_DEPS="automake autoconf autogen libtool gcc curl cmake"
  local flavor=`grep "^ID=" /etc/os-release | cut -d"=" -f 2`
  echo $flavor
  case $flavor in
    debian|ubuntu)
      sudo apt-get install -y $LINUX_DEPS libgmp-dev erlang-dev libbz2-dev
      ;;
    fedora|centos)
      sudo yum install $LINUX_DEPS gmp-devel bzip2 bzip2-devel
      ;;
    *)
      fancy_echo "Unrecognized distribution $flavor"
      exit 1
      ;;
  esac
}

install_darwin_deps(){
    fancy_echo "Installing dependencies via brew"
    brew bundle --file=- <<EOF
brew "automake"
brew "autoconf"
brew "gmp"
brew "libtool"
brew "cmake"
EOF
}

install_deps() {
  local sys=`uname -s`
  echo $sys
  case $sys in
    Linux*)
      install_linux_deps
      ;;
    Darwin*)
      install_darwin_deps
      ;;
    *)
      fancy_echo "Unknown system"
      exit 1
      ;;
  esac
}

# Exit if any subcommand fails
set -e

# set up secrets if not set up yet
if [ ! -f apps/blockchain/config/dev.secret.exs ]; then
  echo "Copying .secret files"
  cp apps/blockchain/config/dev.secret.exs.example apps/blockchain/config/dev.secret.exs
fi

install_deps

# Set up Elixir
if ! command -v mix > /dev/null; then
  fancy_echo "It looks like you don't have Elixir installed."
  echo "See http://elixir-lang.org/install.html for instructions."
  exit 1
fi

mix local.hex --force

if ! command -v mix > /dev/null; then
  fancy_echo "\`mix\`: command not found"
  fancy_echo "Please add \`~/.mix\` to your \$PATH environment variable"
  exit 1
fi

fancy_echo "Installing elixir dependencies and compiling."
mix local.hex --force
mix local.rebar --force

mix deps.get

mix compile

fancy_echo "You're all set!"