#!/bin/bash

ABRA_VERSION="9.0.0"
GIT_URL="https://git.autonomic.zone/coop-cloud/abra"
ABRA_SRC="$GIT_URL/raw/tag/$ABRA_VERSION/abra"
ABRA_DIR="${ABRA_DIR:-$HOME/.abra}"

function prompt_confirm {
  read -rp "Continue? [y/N]? " choice
  case "$choice" in
    y|Y ) return ;;
    * ) exit;;
  esac
}

function show_banner {
  echo ""
  echo "   ____                           ____ _                 _ "
  echo "  / ___|___         ___  _ __    / ___| | ___  _   _  __| |"
  echo " | |   / _ \ _____ / _ \| '_ \  | |   | |/ _ \| | | |/ _' |"
  echo " | |__| (_) |_____| (_) | |_) | | |___| | (_) | |_| | (_| |"
  echo "  \____\___/       \___/| .__/   \____|_|\___/ \__,_|\__,_|"
  echo "                        |_|"
  echo ""
}

function install_docker {
  sudo apt-get remove docker docker-engine docker.io containerd runc
  sudo apt-get install \
    apt-transport-https \
    ca-certificates \
    curl \
    gnupg \
    lsb-release
  curl -fsSL https://download.docker.com/linux/debian/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
  echo \
  "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/debian \
  $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
  sudo apt-get update
  sudo apt-get install docker-ce docker-ce-cli containerd.io
}

function install_requirements {
  if [ -f "/etc/debian_version" ]; then
    echo "Installing curl..."
    sudo apt install -y curl

    echo "Install Docker (hard requirement)?"
    echo "Follows the commands listed in https://docs.docker.com/engine/install/debian/"
    prompt_confirm
    echo "Installing Docker..."
    install_docker
  else
    echo "Sorry, we only support Debian at the moment"
    echo "You'll have to install the requirements manually for your distribution"
    echo "See https://git.autonomic.zone/coop-cloud/abra#requirements for more"
  fi
}

function install_abra_release {
  mkdir -p "$HOME/.local/bin"
  curl "$ABRA_SRC" > "$HOME/.local/bin/abra"
  chmod +x "$HOME/.local/bin/abra"
  echo "abra installed to $HOME/.local/bin/abra"
}

function install_abra_dev {
  mkdir -p "$ABRA_DIR/"
  if [[ ! -d "$ABRA_DIR/src" ]]; then
    git clone "$GIT_URL" "$ABRA_DIR/src"
  fi
  (cd "$ABRA_DIR/src" && git pull origin main && cd - || exit)
  mkdir -p "$HOME/.local/bin"
  ln -sf "$ABRA_DIR/src/abra" "$HOME/.local/bin/abra"
  echo "abra installed to $HOME/.local/bin/abra (development bleeding edge)"
}

function run_installation {
  show_banner

  if [ "$1" = "--dev" ]; then
    install_abra_dev
  else
    install_abra_release
  fi

  install_requirements
}

run_installation "$@"
exit 0