#!/bin/bash

# do not add code here for non-interative login shell
# rather put additional non-interactive profile script code in files in /etc/profile.d

# this files is sourced for all login shells and also interactive non-login shells via /etc/bash.bashrc
# more info see http://www.linuxfromscratch.org/blfs/view/svn/postlfs/profile.html

# interactive non-login and login shells will call the BASH_SHELL_LOAD script below
# non-interative login shells only source /etc/profile.d 
# in profile.d is 03-startup.sh which will call 
# any of the scripts in a repo's startup subdirectory 
# non-interactive non-login shells are not handled here only via /etc/bash.bashrc
# interactive login 


([ -n "$SSH_CONNECTION" ] || [ -n "$SSH_CLIENT" ] || [ -n "$SSH_TTY" ]) && export SSH_SESSION=true
[[ $- == *i* ]] && export SHELL_INTERACTIVE=true
shopt -q login_shell && export SHELL_LOGIN=true 
[ $EUID -eq 0 ] && export USER_ROOT=true

# uncomment for debugging non-interactive login shell, i.e. $ . /etc/profile
#unset SHELL_INTERACTIVE

#uncomment these for debugging.
#  echo ---- sourcing system /etc/profile ---
#  [[ $USER_ROOT ]] && echo 'Root User' || echo 'Non Root User'
#  [[ $SHELL_INTERACTIVE ]] && echo 'Interactive' || echo 'Not interactive'
#  [[ $SHELL_LOGIN ]] && echo 'Login shell' || echo 'Not login shell'
#  [[ $SSH_SESSION ]] && echo ssh remote user || echo local user
#  echo ---------------------

# Set the initial path
export PATH=/bin:/usr/bin:/usr/local/bin
# set directory for base shell repo
export BASH_SHELL_BASE=THISWILLCHANGEDBYDEPLOYSCRIPT
# now bootstrap by souring the shell repo envinroment
source $BASH_SHELL_BASE/shell.env
# set $BASH_SAFE_MODE=true in shell.env to disable UCI interactive shell from loading
# TODO see if  $NO_BASH_SHELL_SSH=true in user or host directory (at the remote machine)
# if so don't source the load command below and make just a simple prompt.
if [[ $SHELL_INTERACTIVE ]]; then 
 if [[ ! $BASH_SAFE_MODE ]]; then
   # echo interactive shell loading $BASH_SHELL_LOAD
   source "$BASH_SHELL_LOAD"
 else
   # safe mode
   # just set a simple prompt instead
   NORMAL="\[\e[0m\]"
   RED="\[\e[1;31m\]"
   GREEN="\[\e[1;32m\]"
   YELLOW='\e[1;33m'
   if [[ $EUID == 0 ]] ; then
     PS1="${YELLOW}SAFE:$RED\u [ $NORMAL\w$RED ]# $NORMAL"
   else
     PS1="${YELLOW}SAFE:$GREEN \u [ $NORMAL\w$GREEN ]\$ $NORMAL"
   fi
   unset RED GREEN NORMAL YELLOW
 fi
else
  # this is non-interactive login (e.g. at user machine login)
  if [[ $EUID -ne 0 ]] && [[ ! $SSH_SESSION ]]; then
    export LOGIN_LOG=$HOME/logs/login.log
    mkdir -p $HOME/logs
    touch $LOGIN_LOG
    llog () {
      echo "$@" 2>&1 | tee -a $LOGIN_LOG
    }
     export -f llog
    llog "$(env | grep BASH)"
    echo "$(date)" > $LOGIN_LOG
    llog "non-interactive login shell for $USER"
    if [ -d /etc/profile.d ]; then
       for i in /etc/profile.d/*.sh; do
         if [ -r $i ]; then
           llog "sourcing $i"
           source $i
         fi
       done
       unset i
    fi
  fi
fi