#! /bin/bash

SCRIPT_NAME="Ruby Install"
VERSION="1.1.7"

. /usr/src/k_framework/main.sh

k_start
k_detect_os

#------VARIABLES-------------

#----- FUNCTIONS ------------
ruby_installed()
{
    # Returns:
    #   0   -   OK, ruby is present
    #   1   -   Failed, required version ruby is not present

    local ruby_version="$1"

    source "/usr/local/rvm/scripts/rvm"

    # check if ruby is already present
    if  rvm list 2> /dev/null | grep -Fq "$ruby_version"; then
        return 0
    else
        return 1
    fi
}

install_ruby_via_rvm()
{
    # About:    This function installs required Ruby version with requested patch level via RVM. It also creates a gemset according to MOR version
    #
    # Arguments:
    #   1 - ruby_version
    #   2 - path_level
    #   3 - gemset version to create

    local RUBY_VERSION="$1"
    local RUBY_PATCH_LEVEL="$2"
    local GEMSET_VERSION="$3"

    if ! rpm -qa | grep -q epel-release; then
        yum install -y epel-release
    fi

    if [ ! -f /etc/yum.repos.d/epel.repo ]; then
            report "Failed to install epel repo. You can install epel using yum install -y epel-release or manually using  rpm -Uvh http://dl.fedoraproject.org/pub/epel/epel-release-latest-6.noarch.rpm" 1
            k_exit 1
    fi

    yum --enablerepo=epel install -y gcc-c++ patch readline readline-devel zlib zlib-devel libyaml-devel libffi-devel openssl-devel make bzip2 autoconf automake libtool bison  libxslt-devel
    rvm reload
    rvm autolibs enable

    if [[ $centos_version == 7 ]]; then
        sed -i  's/bundler/bundler -v=1.17.3/g' /usr/local/rvm/gemsets/global.gems
        sed -i  's/rubygems-bundler -v=1.17.3/rubygems-bundler/g' /usr/local/rvm/gemsets/global.gems
    fi

    rvm install $RUBY_VERSION-$RUBY_PATCH_LEVEL --verify-downloads 1  # --movable  SSL no longer compiles with this option
    if [ "$?" == "0" ]; then
        report "Successfully installed Ruby $RUBY_VERSION-$RUBY_PATCH_LEVEL" 4
        rvm ruby-$RUBY_VERSION-$RUBY_PATCH_LEVEL do rvm gemset create $GEMSET_VERSION
        rvm alias create default ruby-$RUBY_VERSION-$RUBY_PATCH_LEVEL@$GEMSET_VERSION        #1.9.3 here - RVM version. 12  - gemset version
        rvm --default use $RUBY_VERSION # set as default version
        #exec su -l $USER # Reload a Linux user's group assignments without logging out to reach ruby command

        # If /usr/bin/ruby ruby is not a symlink, this means it was installed from yum, do not remove it
        # Otherwise symlink to /usr/bin/ruby to rvm ruby
        if [[ -L /usr/bin/ruby || ! -e /usr/bin/ruby ]]; then
            rm -fr /usr/bin/ruby # delete old symlink if such present
            ln -s /usr/local/rvm/rubies/$RUBY_VERSION/bin/ruby /usr/bin/ruby  # some scripts use /usr/bin/ruby
        fi

    else
        report "Failed to install Ruby $RUBY_VERSION-$RUBY_PATCH_LEVEL" 1
        EXIT_CODE=1
    fi
}

#--------MAIN -------------

if [[ $centos_version == 7 ]]; then

    ruby_installed ruby-2.2.2
    if [ "$?" != "0" ]; then
        install_ruby_via_rvm "2.2.2" "" ""
    fi

    if ! rvm list | grep -Fq 2.2.2;  then
        report "ERROR: Ruby not installed" 1
        EXIT_CODE=1
    else
       report "Ruby installed, uninstalling old Ruby version" 3
       rvm uninstall ruby-2.0.0
       rvm uninstall ruby-2.1.2
    fi

    if [ ! -L /usr/local/bin/bundle ]; then
        k_symlink_create /usr/local/rvm/gems/ruby-2.2.2/wrappers/bundle /usr/local/bin/bundle
    fi


elif [[ $ROCKY9 == 1 ]]; then

    VER="3.2.2"

    source /etc/profile.d/rvm.sh
    rvm reload
    rvm requirements
    rvm install ruby 3.2.2
    rvm use $VER --default

    #ruby_installed ruby-$VER
    #if [ "$?" != "0" ]; then
    #   install_ruby_via_rvm "$VER" "" ""
    #fi

    if [ `rvm list | grep $VER | wc -l` = "0" ]; then
        report "ERROR: Ruby $VER not installed" 1
        EXIT_CODE=1
    else
        report "Ruby $VER installed" 3
        rvm use $VER --default
        rvm uninstall ruby-2.0.0
    fi

    if [ ! -L /usr/local/bin/bundle ]; then
        k_symlink_create /usr/local/rvm/gems/ruby-3.2.2/wrappers/bundle /usr/local/bin/bundle
    fi

fi


ruby -v


k_exit $EXIT_CODE