#!/usr/bin/env bash

if [[ -f /etc/rvmrc ]] ; then source /etc/rvmrc ; fi
if [[ -f "$HOME/.rvmrc" ]] ; then source "$HOME/.rvmrc" ; fi
if [[ -z "$rvm_path" ]] ; then unset rvm_path ; fi

if [[ -z "$rvm_path" ]] ; then
  if [[ "root" = "$(whoami)" ]] ; then
    rvm_path="${rvm_path:-/usr/local/rvm}"
  else
    rvm_path="${rvm_path:-$HOME/.rvm}"
  fi
fi

source scripts/initialize

#
# Setup
#
item="$(tput setaf 2)* $(tput sgr0)"
question="\n$(tput setaf 2)<?>$(tput sgr0)"
cwd=$(pwd)
source_dir="${source_dir:-"$(dirname $0 | xargs dirname)"}"
if [[ ! -d "$source_dir" ]] ; then unset source_dir ; fi
source_dir="${source_dir:-$cwd}"

# State what is required to use rvm
echo -e "\n$(tput setaf 2)rvm$(tput sgr0) - shell scripts that allows a user to manage multiple ruby versions in their own account."
echo -e "\n    Prepairing $rvm_path ..."
for dir_name in src scripts bin log archives config gems examples ; do
  mkdir -p "$rvm_path/$dir_name"
done
cp -f "$source_dir/README" "$rvm_path/"

#
# Scripts
#
echo -e "\n    Installing rvm to $rvm_path/ ..."
rm -rf $rvm_path/scripts # Clear the old scripts directory so that the old style rvm- scripts are cleared out.
for dir_name in config scripts examples lib hooks ; do
  mkdir -p "$rvm_path/$dir_name"
  if [[ -d "$source_dir/$dir_name" ]] ; then
    cp -Rf "$source_dir/$dir_name" "$rvm_path"
  fi
done ; unset dir_name

if [[ ! -s "$rvm_path/config/user" ]] ; then
  echo '# Users settings file, overrides db file settings and persists across installs.' >> $rvm_path/config/user
fi

#
# Bin Scripts
#
echo -e "\n    Installing bin scripts to $rvm_path/bin ..."
# Cleanse and purge...
rm -f $rvm_path/bin/rvm ; rm -rf $rvm_path/bin/binscripts
for file in rvm-prompt rvm ; do
  cp -f "$source_dir/binscripts/$file" $rvm_path/bin/
done
chmod +x $rvm_path/bin/*

#
# RC Files
#
echo -e "\n    Checking rc files ($rvm_rc_files) ..."
if [[ "$rvm_loaded_flag" != "1" ]] ; then
  for rcfile in $(echo $rvm_rc_files) ; do
    if [[ ! -f $rcfile ]] ; then touch $rcfile ; fi

    grep "scripts\/rvm" "$rcfile" > /dev/null 2>&1
    if [[ $? -gt 0 ]] ; then
      echo "    Adding 'if [[ -s $rvm_path/scripts/rvm ]] ; then source $rvm_path/scripts/rvm ; fi' to $rcfile."
      echo -e "\n# rvm-install added line:\nif [[ -s $rvm_path/scripts/rvm ]] ; then source $rvm_path/scripts/rvm ; fi\n" >> $rcfile
    fi
  done
fi

if [[ "root" = "$(whoami)" ]] ; then
  echo -e "\n    Symlinking rvm to $rvm_symlink_path/rvm ..."
  ln -nfs $rvm_path/bin/rvm $rvm_symlink_path/rvm
  chmod +x $rvm_symlink_path/rvm
fi

#
# System Checks
#
$rvm_path/scripts/notes

echo -e "    $item In order to use rvm the following line must occur in your shell's loading files, after all path/variable settings:"
echo -e "\n       if [[ -s $rvm_path/scripts/rvm ]] ; then source $rvm_path/scripts/rvm ; fi"
echo -e "\n    $item CLOSE THIS SHELL AND OPEN A NEW ONE in order to use rvm."

echo -e "\n$(tput setaf 2)RTFM:\n    $(tput sgr0) http://rvm.beginrescueend.com/ \n"
echo -e "$(tput setaf 2)w⦿‿⦿t!$(tput sgr0)"
echo -e "\n    ~ Wayne\n"

if [[ -x "$rvm_path/bin/rvm" ]] ; then "$rvm_path/bin/rvm" -v ; fi

exit 0