module DevenvBuild
  module Files
    class Provision < Base
      def initialize(options)
        super

        provisioning_modules = []

        DevenvBuild::Provisioning.provisioning_modules.map do |k, v|
          provisioning_modules << v if options[k]
        end

        @provisioning_modules = provisioning_modules
      end

      def filename
        File.join(options[:destination_directory], File.join('provision', 'provision.sh'))
      end

      def template
        <<-PROVISION_EOF
#!/bin/bash

echo "Setting up locales..."
/usr/sbin/update-locale LANG=en_US.UTF-8 LC_ALL=en_US.UTF-8

echo "Setting up APT mirrors..."
`cat >/etc/apt/sources.list <<\\EOF
deb mirror://mirrors.ubuntu.com/mirrors.txt xenial main restricted universe multiverse
deb mirror://mirrors.ubuntu.com/mirrors.txt xenial-updates main restricted universe multiverse
deb mirror://mirrors.ubuntu.com/mirrors.txt xenial-backports main restricted universe multiverse
deb mirror://mirrors.ubuntu.com/mirrors.txt xenial-security main restricted universe multiverse
EOF
`

USER=`tail -n 1 /etc/passwd | sed s/:.*//g`
HOME="/home/$USER"

export DEBIAN_FRONTEND=noninteractive

apt-get -y update
apt-get -y upgrade

apt-get -y install build-essential curl git-core imagemagick subversion python-software-properties \\
                   zip unzip rlwrap openssl linux-tools-generic systemtap htop gdb tree rar unrar \\
                   screen vim zsh

## BEFORE ##############################################################################################
#{before}
########################################################################################################

apt-get -y update

## MIDDLE ##############################################################################################
#{middle}
########################################################################################################

# Setup hostname
echo "Setup hostname..."
echo "devenv" > /etc/hostname
echo "127.0.0.1 devenv" >> /etc/hosts
hostname devenv

# Setup environment
echo "Setup environment..."
`cat >$HOME/.environment.sh <<\\EOF
# Environment variables
export PS1="[\\[\\033[1;34m\\]\\u\\[\\033[0m\\]@\\h:\\[\\033[1;37m\\]\\w\\[\\033[0m\\]]$ "
EOF
`
echo 'source ~/.environment.sh' >> $HOME/.bash_profile
touch $HOME/.secret_keys.sh
chown $USER:$USER $HOME/.environment.sh
chown $USER:$USER $HOME/.secret_keys.sh

## AFTER ##############################################################################################
#{after}
########################################################################################################

apt-get -y autoremove
apt-get -y autoclean
apt-get -y clean

PROVISION_EOF
      end

      private

      def section(section_name)
        @provisioning_modules.map do |m|
          <<-MOD_EOF
## Setup for #{m.class.to_s} #######################
#{m.send(section_name)}
####################################################
MOD_EOF
        end.join("\n")
      end

      def before
        section(:before)
      end

      def middle
        section(:middle)
      end

      def after
        section(:after)
      end
    end
  end
end