#!/bin/bash

set -eu

source "${BOOTSTRAP_LIB}/helpers"

VERSION="1.37.1"
INSTALL_DIR="${HOME}/.local/bin"
INSTALLED_VERSION=""

if [[ -x "$(command -v fnm)" ]]; then
  INSTALLED_VERSION="$(fnm --version | grep -o '[0-9]\+\.[0-9]\+\.[0-9]\+')"
fi

if [[ "$VERSION" == "$INSTALLED_VERSION" ]]; then
  echo "fnm version ${VERSION} already installed."
  exit 0
fi

echo "Installing fnm version ${VERSION}..."

URL="https://github.com/Schniz/fnm/releases/download/v${VERSION}/fnm-linux.zip"

echo "Downloading from ${URL}..."
TARGET="$(download "$URL")"

if [[ -f "${INSTALL_DIR}/fnm" ]]; then
  echo "Removing old fnm command..."
  rm -f "${INSTALL_DIR}/fnm"
fi

echo "Unpacking fnm command to ${INSTALL_DIR}..."
mkdir -p "${INSTALL_DIR}"
unzip "${TARGET}" fnm -d "${INSTALL_DIR}"
chmod +x "${INSTALL_DIR}/fnm"

echo "Removing ${TARGET}..."
rm -f "${TARGET}"