#!/bin/bash
set -u

# Requirement: sudo


# -------------- 
# Utils function

abort() {
  printf "%s\n" "$@"
  exit 1
}

# string formatters
if [[ -t 1 ]]; then
  tty_escape() { printf "\033[%sm" "$1"; }
else
  tty_escape() { :; }
fi
tty_mkbold() { tty_escape "1;$1"; }
tty_underline="$(tty_escape "4;39")"
tty_blue="$(tty_mkbold 34)"
tty_red="$(tty_mkbold 31)"
tty_bold="$(tty_mkbold 39)"
tty_reset="$(tty_escape 0)"

shell_join() {
  local arg
  printf "%s" "$1"
  shift
  for arg in "$@"; do
    printf " "
    printf "%s" "${arg// /\ }"
  done
}

chomp() {
  printf "%s" "${1/"$'\n'"/}"
}

ohai() {
  printf "${tty_blue}==>${tty_bold} %s${tty_reset}\n" "$(shell_join "$@")"
}

have_sudo_access() {
  local -a args
  if [[ -n "${SUDO_ASKPASS-}" ]]; then
    args=("-A")
  elif [[ -n "${NONINTERACTIVE-}" ]]; then
    args=("-n")
  fi

  if [[ -z "${HAVE_SUDO_ACCESS-}" ]]; then
    if [[ -n "${args[*]-}" ]]; then
      SUDO="/usr/bin/sudo ${args[*]}"
    else
      SUDO="/usr/bin/sudo"
    fi
    if [[ -n "${NONINTERACTIVE-}" ]]; then
      ${SUDO} -l mkdir &>/dev/null
    else
      ${SUDO} -v && ${SUDO} -l mkdir &>/dev/null
    fi
    HAVE_SUDO_ACCESS="$?"
  fi

  if [[ -z "${HOMEBREW_ON_LINUX-}" ]] && [[ "$HAVE_SUDO_ACCESS" -ne 0 ]]; then
    abort "Need sudo access on macOS (e.g. the user $USER needs to be an Administrator)!"
  fi

  return "$HAVE_SUDO_ACCESS"
}

execute() {
  if ! "$@"; then
    abort "$(printf "Failed during: %s" "$(shell_join "$@")")"
  fi
}

execute_sudo() {
  local -a args=("$@")
  if have_sudo_access; then
    if [[ -n "${SUDO_ASKPASS-}" ]]; then
      args=("-A" "${args[@]}")
    fi
    ohai "/usr/bin/sudo" "${args[@]}"
    execute "/usr/bin/sudo" "${args[@]}"
  else
    ohai "${args[@]}"
    execute "${args[@]}"
  fi
}

echo "Please enter your password. "
have_sudo_access true

# -------------- 
# Installations

#--- Install R
execute_sudo apt update -qq
# install two helper packages we need
execute_sudo apt install --no-install-recommends software-properties-common dirmngr
# import the signing key (by Michael Rutter) for these repo
execute_sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys E298A3A825C0D65DFD57CBB651716619E084DAB9
# add the R 4.0 repo from CRAN -- adjust 'focal' to 'groovy' or 'bionic' as needed
execute_sudo add-apt-repository "deb https://cloud.r-project.org/bin/linux/ubuntu $(lsb_release -cs)-cran40/"

execute_sudo apt update -qq
execute_sudo apt install -y \
  build-essential \
    file \
    git \
    curl \
    libsodium-dev \
    libffi-dev \
    libbz2-dev \
    libpcre2-dev \
    libcairo2-dev \
    libcurl4-openssl-dev \
    libfftw3-dev \
    libfreetype6-dev \
    libfribidi-dev \
    libgit2-dev \
    libhdf5-dev \
    libharfbuzz-dev \
    libjpeg-dev \
    libpng-dev \
    libssl-dev \
    libssh2-1-dev \
    libtiff5-dev \
    libv8-dev \
    libxml2-dev \
    psmisc \
    procps \
    sudo \
    wget \
    zlib1g-dev \
    r-base r-base-dev

#--- Install RStudio (TODO)

# Install RAVE
execute /usr/bin/env Rscript --no-save -e "$(curl -fsSL https://raw.githubusercontent.com/dipterix/instrave/master/brew/install-rave.R)"