#!/usr/bin/env bash
#-------------------------------------------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
#-------------------------------------------------------------------------------------------------------------
#
# Docs: https://github.com/microsoft/vscode-dev-containers/blob/main/script-library/docs/hugo.md
# Maintainer: The VS Code and Codespaces Teams
#
# Syntax: ./jekyll-debian.sh [Jekyll version] [Non-root user] [Add rc files flag]

VERSION=${1:-"latest"}
USERNAME=${2:-"automatic"}

set -e

# If in automatic mode, determine if a user already exists, if not use codespace
if [ "${USERNAME}" = "auto" ] || [ "${USERNAME}" = "automatic" ]; then
    USERNAME=""
    POSSIBLE_USERS=("vscode" "node" "codespace" "$(awk -v val=1000 -F ":" '$3==val{print $1}' /etc/passwd)")
    for CURRENT_USER in ${POSSIBLE_USERS[@]}; do
        if id -u ${CURRENT_USER} > /dev/null 2>&1; then
            USERNAME=${CURRENT_USER}
            break
        fi
    done
    if [ "${USERNAME}" = "" ]; then
        USERNAME=codespace
    fi
elif [ "${USERNAME}" = "none" ]; then
    USERNAME=root
    USER_UID=0
    USER_GID=0
fi

# Use sudo to run as non-root user is not already running
sudoUserIf()
{
  if [ "$(id -u)" -eq 0 ] && [ "${USERNAME}" != "root" ]; then
    sudo -u ${USERNAME} "$@"
  else
    "$@"
  fi
}

# If we don't yet have Ruby installed, exit.
if ! /usr/local/rvm/rubies/default/bin/ruby --version > /dev/null ; then
  echo "You need to install Ruby before installing Jekyll."
  exit 1
fi

# If we don't already have Jekyll installed, install it now.
if ! jekyll --version > /dev/null ; then
  echo "Installing Jekyll..."
  if [ "${VERSION}" = "latest" ]; then
    PATH="/usr/local/rvm/rubies/default/bin:${PATH}" /usr/local/rvm/rubies/default/bin/gem install jekyll
  else
    PATH="/usr/local/rvm/rubies/default/bin:${PATH}" /usr/local/rvm/rubies/default/bin/gem install jekyll -v "${VERSION}"
  fi
fi