#!/bin/bash

test -z "$BIG_ROOT" && BIG_ROOT=$HOME

export PATH="/usr/local/bin:/usr/bin:/bin:$HOME/bin"

## the root definition allows multiple users to use the same bin/big
root=$BIG_ROOT
while test -e $root; do
  root=$BIG_ROOT/big-session-$$
done

args="--bigconf $root/bigconf"

mkdir $root
mkdir $root/tmp

ln -s /usr/local/lib/node_modules $HOME/node_modules
ln -s /root/big/resources $HOME/resources

echo "{
  \"protocol\": \"http\",
}" > $root/bigconf

atexit() {
  big $args logout > /dev/null 2>&1
  rm -rf $root
  exit 0
}

big-help() {
  local h=$(which big-help 2>/dev/null)
  test -n "$h" && "$h" || big $args help
}

trap "atexit" TERM
trap "atexit" INT
trap "atexit" HUP

big $args login

if test $? -eq 0; then
  echo ""
  big-help
  echo ""

  read -p "big > " -e command

  while test "$command" != "q" \
  -a "$command" != "exit" \
  -a "$command" != "quit"; do
    big $args ${command:0}
    read -p "big> " -e command
  done
fi

atexit