#!/bin/sh

#

# Radicle isntallation script.

#

set -e

url() {

  echo "https://files.radicle.xyz/$1/latest/radicle-$1.tar.gz"

}

info() {

  printf "\033[36m$*\033[0m\n"

}

success() {

  echo

  printf "\033[32m✓\033[0m Radicle has been installed successfully. Run \`rad auth\` to get started.\n"

}

fatal() {

  printf "\033[31merror\033[0m: $*\n" >&2

  exit 1

}

target() {

  TARGET=""

  case "$(uname)/$(uname -m)" in

  Darwin/arm64)

    TARGET="aarch64-apple-darwin" ;;

  Darwin/x86_64)

    TARGET="x86_64-apple-darwin" ;;

  Linux/arm64|Linux/aarch64)

    TARGET="aarch64-unknown-linux-musl" ;;

  Linux/x86_64)

    TARGET="x86_64-unknown-linux-musl" ;;

  *)

    fatal "Your operating system is currently unsupported. Sorry!" ;;

  esac

  echo $TARGET

}

tempdir() {

  if [ -n "$TMPDIR" ]; then

    echo "$TMPDIR"

  elif [ -d "/tmp" ]; then

    echo "/tmp"

  else

    fatal "Could not locate temporary directory"

  fi

}

in_path() {

  IFS=":"

  for dir in $PATH; do

    if [ "$dir" = "$1" ]; then

      return 0 # The path is in $PATH

    fi

  done

  return 1 # The path is not in $PATH

}

echo

echo "Welcome to Radicle 🌞"

echo

RAD_HOME=${RAD_HOME:-"$HOME/.radicle"}

RAD_PATH=${RAD_PATH:-"$RAD_HOME/bin"}

SHELL=${SHELL:-"/bin/sh"}

info "Detecting operating system..."

TARGET=$(target)

if ! command -v tar >/dev/null 2>&1; then

  fatal "Please install 'tar' and try again"

fi

if ! command -v curl >/dev/null 2>&1; then

  fatal "Please install 'curl' and try again"

fi

info "Installing radicle into '$RAD_PATH'..."

mkdir -p "$RAD_PATH"

curl -# -L "$(url "$TARGET")" | tar -xz --strip-components=1 -C "$RAD_PATH"

chmod +x \

  $RAD_PATH/radicle-node \

  $RAD_PATH/radicle-httpd \

  $RAD_PATH/rad \

  $RAD_PATH/rad-web \

  $RAD_PATH/git-remote-rad

# If radicle is not in $PATH, add it here.

if ! in_path $RAD_PATH; then

  case $SHELL in

    */zsh)

      PROFILE=$HOME/.zshrc ;;

    */bash)

      PROFILE=$HOME/.bashrc ;;

    */fish)

      PROFILE=$HOME/.config/fish/config.fish ;;

    */csh)

      PROFILE=$HOME/.cshrc ;;

    *)

      PROFILE=$HOME/.profile ;;

  esac

  info "Configuring PATH in '$PROFILE'..."

  echo                                    >> "$PROFILE"

  echo "# Radicle binaries."              >> "$PROFILE"

  echo "export PATH=\"\$PATH:$RAD_PATH\"" >> "$PROFILE"

  success

  # Ensure that the current shell has the updated PATH.

  export PATH="$PATH:$RAD_PATH"

  exec "$SHELL"

fi

success