#!/usr/bin/ksh

# Logfile
logfile=make_motd.log

## Set global env variables
# Set me
me=${0##*/}

# Set OS
OS=$(uname -r | cut -c3-)

unames=$(uname -s)
unamen=$(uname -n)
unamer=$(uname -r)
unamev=$(uname -v)
unamem=$(model)
unamei=$(uname -i)
unamel=$(uname -l)

# Set step_nbr
integer step_nbr=0

function error {
  print -u2 "$me: Error: $1"
} # error

function warning {
  print -u2 "$me: Warning: $1"
} # warning

function display {
  print "$1"
} # display

function info {
  display "$me: Info: $1"
} # info

function verbose {
  if [ ! -z "$verbose" ]; then
    display "$1"
  fi
} # verbose

function debug {
  if [ ! -z "$debug" ]; then
    print -u2 "$me: Debug: $1"
  fi
} # debug

function usage {
  display "$me [-v|verbose] [-d|debug] [-usage]"
  display "        -v|verbose:     Turns on verbose mode"
  display "        -d|debug:       Turns on debug mode"
  display "        -usage:         Print this usage message"
  display " "
  display "The following options will be prompted for if not supplied on the"
  display "command line. If any parameter has spaces in it then you need to"
  display "surround it in quotes (e.g. -owners_fullname \"Andrew DeFaria\"."
  display "You'll probably need to do this for the first 3 in the list below:"
  display " "
  display "     -owners_fullname  Specify owners full name"
  display "     -machine_usage    Specify what this machine is to be used for"
  display "     -location         Specify where this machine is located"
  display "     -owners_email     Specify email address (no @cup.hp.com)"
  display "     -owners_extension Specify phone extenstion in the format of"
  display "                       7-XXXX (the t-44 will be prepended)"
  display "     -new_machine_name Specify the name of this system (REQUIRED)"

  error "$1"
  exit 1
} # usage

function step {
  let step_nbr=step_nbr+1
  display "Step #$step_nbr: $@"
} # step

function display_options {
  display "Setup this machine according to the following profile:"
  print  -
--------------------------------------------------------------------------------

  display "Machine Name:\t\t$new_machine_name"
  display "Machine Usage:\t\t$machine_usage"
  display "Macine Location:\t$location"
  display "Owner's Fullname:\t$owners_fullname"
  display "Owner's Email:\t\t$owners_email"
  display "Owner's Extension:\t$owners_extension"
} # display_options

# Set initial parm values
display
display "\t\tWelcome to the motd creation script"
display
verbose=
debug=
owners_fullname=
owners_email=
owners_extension=
machine_usage=
location=
new_machine_name=

if [ $(id -u) -ne 0 ]; then
        error "Must be root to create or modify /etc/motd"
        exit 1
fi

# Get parameters
while [ $# -ge 1 ]; do
  case "$1" in
    -usage)
      usage
      ;;

    -v|-verbose)
      verbose=yes
      ;;

    -d|-debug)
      debug=yes
      ;;

    -owners_fullname)
      if [ $# -le 1 ]; then
        usage "Owner's Full Name is not specified!"
      fi
      shift
      owners_fullname="$1"
      ;;

    -machine_usage)
      if [ $# -le 1 ]; then
        usage "Machine Usage was not specified!"
      fi
      shift
      machine_usage="$1"
      ;;

    -location)
      if [ $# -le 1 ]; then
        usage "Location was not specified!"
      fi
      shift
      location="$1"
      ;;

    -owners_email)
      if [ $# -le 1 ]; then
        usage "Owner's Email was not specified!"
      fi
      shift
      owners_email="$1"
      ;;

    -owners_extension)
      if [ $# -le 1 ]; then
        usage "Owner's Extention was not specified!"
      fi
      shift
      owners_extension="$1"
      ;;

    -new_machine_name)
      if [ $# -le 1 ]; then
        usage "New Machine Name not specified!"
      fi
      shift
      new_machine_name="$1"
      ;;

    *)
      usage "Unrecognized parameter $1"
      ;;
  esac
  shift
done

# Prompt for options not specified on the command line

if [ "_$owners_fullname" = "_" ]; then
  print "Owner's Fullname"
  print "> \c"
  read owners_fullname
  if [ "_$owners_fullname" = "_" ]; then
    owners_fullname=Unknown
  fi
fi

if [ "_$machine_usage" = "_" ]; then
  print "What is this machine used for?"
  print "> \c"
  read machine_usage
  if [ "_$machine_usage" = "_" ]; then
    machine_usage="This machine is used by \<whom\> for \<what\>"
  fi
fi

if [ "_$location" = "_" ]; then
  print "Where is this machine located?"
  print "> \c"
  read location
  if [ "_$location" = "_" ]; then
    location="\<Physical Location\>"
  fi
fi

if [ "_$owners_email" = "_" ]; then
  print "Owner's Email address:"
  print "(Should be the same as username. This script will supply the @cup.hp.com)"
  print "> \c"
  read owners_email
  if [ "_$owners_email" = "_" ]; then
    owners_email=Unknown
  fi
fi

if [ "_$owners_extension" = "_" ]; then
  print "Owner's Phone extention:"
  print "(Should be of the format 7-XXXX This script will prepend \"t-44\" to"
  print "the entered extension)"
  print "> \c"
  read owners_extension
  if [ "_$owners_extension" = "_" ]; then
    owners_extension=7-XXXX
  fi
fi

until [ "_$new_machine_name" != "_" ]; do
  new_machine_name="garbage"
  print "New machine name:"
  print "> \c"
  read new_machine_name

  if [ "_$new_machine_name" = "_" ]; then
    error "Must enter a new machine name"
  fi
done

display_options

display
display "Continue Installation (Y/n)?\c"
answer=y
read answer
case "$answer" in
  y|Y|yes|Yes|YES|"")
    continue
    ;;
  *)
    display "Installation aborted. Rerun $me if you wish to install again"
    exit 1
    ;;
esac

function do_installation {
#display_options

banner $new_machine_name > /etc/motd
echo $unames $unamen $unamer $unamev $unamem $unamei $unamel >> /etc/motd
cat >> /etc/motd <<:END

*******************************************************************************
* This is a private system operated for the Hewlett-Packard Company business. *
* Authorization from HP management is required to use this system.  	      *
* Use by unauthorized persons is prohibited.                                  *
*******************************************************************************
For System Support: Mon-Fri 8:00-5:00 Email (site-ux@cup.hp.com)
Phone: t-447-1212 After hours/weekend Pre-arrange: t-447-0629
-------------------------------------------------------------------------------
Usage:    $machine_usage
Owner:    $owners_fullname ($owners_email@cup.hp.com) Phone:
t-44$owners_extension
Location: $location
-------------------------------------------------------------------------------
:END

display "/etc/motd successfully created"

} # do_installation

do_installation | tee $logfile