[ -z "$PS1" ] && return
#if [ -z "$TMUX" ]; then
#    tmux
#fi 

# Bash completion
if [ -f /etc/bash_completion ]; then
        . /etc/bash_completion
fi

# Define a few Colours
BLACK='\e[0;30m'
BLUE='\e[0;34m'
GREEN='\e[0;32m'
CYAN='\e[0;36m'
RED='\e[0;31m'
PURPLE='\e[0;35m'
BROWN='\e[0;33m'
LIGHTGRAY='\e[0;37m'
DARKGRAY='\e[1;30m'
LIGHTBLUE='\e[1;34m'
LIGHTGREEN='\e[1;32m'
LIGHTCYAN='\e[1;36m'
LIGHTRED='\e[1;31m'
LIGHTPURPLE='\e[1;35m'
YELLOW='\e[1;33m'
WHITE='\e[1;37m'
NC='\e[0m'              # No Color

# check the window size after each command and, if necessary,
# update the values of LINES and COLUMNS.
shopt -s checkwinsize

# make less more friendly for non-text input files, see lesspipe(1)
[ -x /usr/bin/lesspipe ] && eval "$(lesspipe)"

###############
### aliases ###
###############

# General
alias df='df -h'
alias h='history'
alias nb='nano ~/.bashrc'

# screenshots
alias screenshot='import -window root ~/Desktop/`date +%Y%m%d%H%M`.png'

# System info
alias cpuu="ps -e -o pcpu,cpu,nice,state,cputime,args --sort pcpu | sed '/^ 0.0 /d'"
alias memu='ps -e -o rss=,args= | sort -b -k1,1n | pr -TW$COLUMNS'
alias pg='ps aux | grep'  #requires an argument

# apt
#alias search='apt-cache search'
#alias agi='sudo apt-get install'
#alias agr='sudo apt-get remove'
#alias agu='sudo apt-get update'
#alias agg='sudo apt-get upgrade'
#alias sources='gksudo gedit /etc/apt/sources.list'

# interactive

# Directory navigation aliases
alias ..='cd ..'
alias ...='cd ../..'
alias ....='cd ../../..'
alias .....='cd ../../../..'


# network
alias net1='watch --interval=2 "sudo netstat -apn -l -A inet"'
alias net2='watch --interval=2 "sudo netstat -anp --inet --inet6"'  
alias net3='sudo lsof -i'
alias net4='watch --interval=2 "sudo netstat -p -e --inet --numeric-hosts"'
alias net5='watch --interval=2 "sudo netstat -tulpan"'
alias net6='sudo netstat -tulpan'
alias net7='watch --interval=2 "sudo netstat -utapen"'
alias net8='watch --interval=2 "sudo netstat -ano -l -A inet"'
alias netl='sudo nmap -sT -O localhost' 
alias ping='ping -c 10'
alias whois='whois -H'

# listings
alias ls='ls --color=auto'
alias lh='ls -lah'                # human readable (sizes) long and all ;-)
alias lls='ls -l -h -g -F --color=auto'
alias lc='ls -aCF'
alias lsam='ls -am'               # List files horizontally
alias lr='ls -lR'                 # recursive
alias lsx='ls -ax'                # sort right to left rather then in columns
alias lss='ls -shAxSr'            # sort by size
alias lt='ls -lAtrh'              # sort by date and human readable
alias lm='ls -al |more'           # pipe through 'more'
alias l='ls -alh'

# chmod and permissions commands
alias mx='chmod a+x'
alias 000='chmod 000'
alias 644='chmod 644'
alias 755='chmod 755'
alias perm='stat --printf "%a %n \n "' # requires a file name e.g. perm file



# WELCOME SCREEN
#######################################################

clear

echo "${BLUE}Lets make something"
echo -e "${WHITE}"; cal ;  
echo -ne "${CYAN}";
echo -ne "${LIGHTPURPLE}Sysinfo:";uptime ;echo ""


# NOTES
#######################################################

# To temporarily bypass an alias, we preceed the command with a \  
# EG:  the ls command is aliased, but to use the normal ls command you would 
# type \ls 



# SPECIAL FUNCTIONS
#######################################################

# clock - A bash clock that can run in your terminal window. 
clock () 
{ 
while true;do clear;echo "===========";date +"%r";echo "===========";sleep 1;done 
}

netinfo ()
{
echo "--------------- Network Information ---------------"
/sbin/ifconfig | awk /'inet addr/ {print $2}'
echo ""
/sbin/ifconfig | awk /'Bcast/ {print $3}'
echo ""
/sbin/ifconfig | awk /'inet addr/ {print $4}'

# /sbin/ifconfig | awk /'HWaddr/ {print $4,$5}'
echo "---------------------------------------------------"
}

#####################################
# ##### ENVIRONMENT VARIABLES ##### #
#####################################

declare -x HISTFILE=~/.bash_history
declare -x HISTCONTROL=ignoredups
declare -x HISTFILESIZE=100000
declare -x HISTSIZE=100000




############################## ##################################
# ##### PROMPT SECTION ##### ####################################
############################## ##################################

##PS1="\[\]\u:\w > \[\]"
##PS1="\[\][\[\]\u\[\]]\[\]\w > \[\]"
#PS1="\[\][\[\]\u\[\]]\[\]\w > \[\]"
#PS1="\[\][\[\]\[\]\u\[\]\[\]]\[\]\w > \[\]"
##PS1="\[\][\[\]\u\[\]]\[\]\w > \[\]"
#PS1="\[\]\u \[\]\$\[\] \w \[\]"

###################### the above is a separate prompt which can be used instead of below. NOTE: only ONE line at a time should be uncommented. so there are 6 different prompts above!!!!!

# color_name='\[\033[ color_code m\]'

rgb_restore='\[\033[00m\]'
rgb_black='\[\033[00;30m\]'
rgb_firebrick='\[\033[00;31m\]'
rgb_red='\[\033[01;31m\]'
rgb_forest='\[\033[00;32m\]'
rgb_green='\[\033[01;32m\]'
rgb_brown='\[\033[00;33m\]'
rgb_yellow='\[\033[01;33m\]'
rgb_navy='\[\033[00;34m\]'
rgb_blue='\[\033[01;34m\]'
rgb_purple='\[\033[00;35m\]'
rgb_magenta='\[\033[01;35m\]'
rgb_cadet='\[\033[00;36m\]'
rgb_cyan='\[\033[01;36m\]'
rgb_gray='\[\033[00;37m\]'
rgb_white='\[\033[01;37m\]'

rgb_std="${rgb_white}"

if [ `id -u` -eq 0 ]
then
    rgb_usr="${rgb_red}"
else
    rgb_usr="${rgb_green}"
fi

[ -n "$PS1" ] && PS1="${rgb_usr}`whoami`${rgb_std} \W ${rgb_usr}\\\$${rgb_restore} "

unset   rgb_restore   \
        rgb_black     \
        rgb_firebrick \
        rgb_red       \
        rgb_forest    \
        rgb_green     \
        rgb_brown     \
        rgb_yellow    \
        rgb_navy      \
        rgb_blue      \
        rgb_purple    \
        rgb_magenta   \
        rgb_cadet     \
        rgb_cyan      \
        rgb_gray      \
        rgb_white     \
        rgb_std       \
        rgb_usr



# enable color support of ls and also add handy aliases
if [ -x /usr/bin/dircolors ]; then
    test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
    alias ls='ls --color=auto'
    alias dir='dir --color=auto'
    alias vdir='vdir --color=auto'

    alias grep='grep --color=auto'
    alias fgrep='fgrep --color=auto'
    alias egrep='egrep --color=auto'
fi


# Alias definitions.
# You may want to put all your additions into a separate file like
# ~/.bash_aliases, instead of adding them here directly.
# See /usr/share/doc/bash-doc/examples in the bash-doc package.

if [ -f ~/.bash_aliases ]; then
    . ~/.bash_aliases
fi

# enable programmable completion features (you don't need to enable
# this, if it's already enabled in /etc/bash.bashrc and /etc/profile
# sources /etc/bash.bashrc).
if ! shopt -oq posix; then
  if [ -f /usr/share/bash-completion/bash_completion ]; then
    . /usr/share/bash-completion/bash_completion
  elif [ -f /etc/bash_completion ]; then
    . /etc/bash_completion
  fi
fi