#!/bin/bash
#
# Interactive shell.
#

# Load functions
LIB="`dirname $0`/../functions"
source "$LIB" || exit 1

# Basic parameters
SHELLPATH="/"

# While a "quit" command isn't entered, read STDIN
while read -rep "keyringer:/${KEYRING}${SHELLPATH}> " STDIN; do
  if [ "$STDIN" == "quit" ]; then
    break
  elif [[ "$STDIN" == "cd"* ]]; then

    # Update current path
    OLDPATH="$SHELLPATH"
    SHELLPATH="/`echo $STDIN | sed -e 's/^cd//' | cut -d ' ' -f 2`"

    # Fix current path
    if [ "$SHELLPATH" == "/" ]; then
      SHELLPATH="/"
    elif [[ "$SHELLPATH" == "/.."* ]]; then
      ARGS="$SHELLPATH"
      SHELLPATH="$OLDPATH"
      for colons in `echo $ARGS | sed -e 's|/| |g'`; do
        SHELLPATH="`dirname $SHELLPATH`"
      done
    fi

    # Check if path exists
    if [ ! -d "$KEYDIR/$SHELLPATH" ]; then
      echo "No such folder $SHELLPATH"
      SHELLPATH="$OLDPATH"
    fi

  elif [[ -n "$STDIN" && "$STDIN" != "#"* ]]; then
    # If line is not empty or commented, process command
    RELATIVE_PATH="$SHELLPATH" keyringer "$KEYRING" $STDIN
  fi
done