#!/usr/bin/env sh

_webtrap_has_compatible_ruby () {
  if ! type ruby > /dev/null 2>&1; then
    return 1
  fi

  local major_version=`ruby --version | cut -d\  -f2 | cut -dp -f1 | cut -d. -f1`

  [ "$major_version" -ge "2" ]
}

_webtrap_has_gem () {
  type gem > /dev/null 2>&1
}

_webtrap_has_bundler () {
  type bundler > /dev/null 2>&1
}

_webtrap_setup () {
  if ! _webtrap_has_compatible_ruby || ! _webtrap_has_gem; then
    echo '* Compatible Ruby environment not found' >&2
    echo 'WebTrap Setup error: this project requires MRI 2.0+ to be available.' >&2
    exit 1
  fi

  if ! _webtrap_has_bundler; then
    echo '* Bundler not found.'
    echo 'WebTrap Setup error: this project requires Bundler to be available.' >&2
    exit 2
  fi

  echo '* Checking dependencies'
  (bundle check || bundle install) > /dev/null

  echo '* All done'
}

_webtrap_setup "$@"