#!/usr/bin/env bash

# functions
function repository {
    apt-get install -y software-properties-common && (
        add-apt-repository -y ppa:ultradvorka/ppa
        add-apt-repository -y ppa:webupd8team/java
    )
}

function update-upgrade {
    apt-get update -y
    apt-get upgrade -y
}

function common {
    # get users directory
    root_user=$(grep ':0:' /etc/passwd | awk -F':' '{print $6}')
    default_user=$(grep ':1000:' /etc/passwd | awk -F':' '{print $6}')
    
    # default shell
    apt-get install -y sudo mc tree pv vim mosh bash-completion
    
    # bash shell
    apt-get install -y hh && (
        grep HH_CONFIG /etc/bash.bashrc || \
            hh --show-configuration >> /etc/bash.bashrc
    )
    
    # zsh shell
    apt-get install -y zsh && (
        sed -i -- 's/\/bin\/bash/\/bin\/zsh/' /etc/passwd
        wget -O /etc/zsh/newuser.zshrc.recommended \
                http://git.grml.org/f/grml-etc-core/etc/zsh/zshrc
        cp -f /etc/zsh/newuser.zshrc.recommended $default_user/.zshrc
        cp -f /etc/zsh/newuser.zshrc.recommended $root_user/.zshrc
    )
    
    # tmux
    apt-get install -y tmux && (
        echo 'if [ "$TMUX" = "" ]; then tmux; fi' | cat - $default_user/.zshrc > \
            /tmp/.zshrc && mv /tmp/.zshrc $default_user/.zshrc
    )
    
    # diagnostics
    apt-get install -y htop iotop iftop nmon powertop stress lm-sensors \
                       gddrescue smartmontools kpartx nmap
    
    # programming
    apt-get install -y git subversion libapache2-svn build-essential
    
    # networking
    apt-get install -y nfs-common cifs-utils openvpn axel \
                       wget ethtool fping 
    
    # misc. tools
    apt-get install -y apt-file aptitude hexedit manpages-de 
    
    # configure vim
    touch $root_user/.vimrc $default_user/.vimrc
    for config in "filetype plugin indent on" "set tabstop=4" "set shiftwidth=4" \
                  "set expandtab" "syntax enable" "set softtabstop=4" \
                  "set number" "set showcmd" "set cursorline"; do
        grep "$config" $root_user/.vimrc || echo "$config" >> $root_user/.vimrc
        grep "$config" $default_user/.vimrc || echo "$config" >> $default_user/.vimrc
    done
}

function common-end {
    # configure system
    apt-get install -y console-data console-setup locales \
                       keyboard-configuration tzdata 
    dpkg-reconfigure console-data console-setup locales \
                     keyboard-configuration tzdata 
    
    # run programs
    apt-file update
    sensors-detect
}

function client-gui {
    # programs
    apt-get install -y firefox firefox-locale-de thunderbird \
                       thunderbird-locale-de keepassx filezilla vlc gparted \
                       wireshark kate
    
    # IDE 
    apt-get install -y eclipse
    
    # OpenJDK
    apt-get install -y openjdk-6-jdk openjdk-6-source openjdk-6-demo \
                       openjdk-6-doc openjdk-6-jre-headless openjdk-6-jre-lib
    apt-get install -y openjdk-7-jdk openjdk-7-source openjdk-7-demo \
                       openjdk-7-doc openjdk-7-jre-headless openjdk-7-jre-lib
    apt-get install -y icedtea-7-plugin
    
    # Oracle Java
    apt-get install -y oracle-java7-installer oracle-java8-installer
    
    # misc. tools
    apt-get install -y git-gui bless 
}

function client-gui-end {
    # Java Plugin
    update-alternatives --config mozilla-javaplugin.so
}

function server-gui {
    # programs
    apt-get install -y firefox firefox-locale-de thunderbird \
                      thunderbird-locale-de filezilla gparted wireshark kate
    
    # ssh
    apt-get install -y openssh-server
}

function server-cli {
    # ssh
    apt-get install -y openssh-server
}

# check if root
if [[ $EUID -ne 0 ]]; then
   echo "This script must be run as root" 1>&2
   exit 1
fi

# choose plattform
PS3='Please enter your system '
options=("client-gui" "server-cli" "server-gui" "quit")
select opt in "${options[@]}"
do
    case $opt in
        "client-gui")
            update-upgrade
            repository
            common
            client-gui
            common-end
            client-gui-end
            break
            ;;
        "server-cli")
            update-upgrade
            repository
            common
            server-cli
            common-end
            break
            ;;
        "server-gui")
            update-upgrade
            repository
            common
            server-gui
            common-end
            break
            ;;
        *)
            echo invalid option
            ;;
    esac
done