#!/bin/bash

# Set to "window" if you prefer new Firebird windows instead of new tabs
newtype=${MOZILLA_NEWTYPE:-"tab"}

# Point this to your Firebird installation if not using the default
export MOZILLA_FIVE_HOME="/usr/lib/MozillaFirebird"
fbpath=${MOZILLA_FIVE_HOME}

# Sanity check
if [[ -z $DISPLAY ]]; then
  echo "DISPLAY is unset!" >&2
  exit 1
fi

# Filter out ampersands because declare doesn't like 'em, replace with ____AMPERSAND____
# This will cause problems in the unlikely event of handling a URL containing ____AMPERSAND____!!!
# Validate the args and extract the url
url=''
declare -a args=(`echo "$@" | sed 's/\&/____AMPERSAND____/g'`)

while [[ $# -ne 0 ]] ; do
  if [[ $1 == -* ]] ; then
    case ${1#-} in
      height|width|CreateProfile|P|UILocale|contentLocale|remote|edit|chrome)
        shift 2 ;;
      *)
        shift 1 ;;
    esac
  else
    if [[ -n $url ]] ; then
      echo "Usage error: more than one URL given" >&2
      exit 255
    else
      # put ampersands back in
      url=(`echo "${args[0]}" | sed 's/____AMPERSAND____/\&/g'`)
      shift 1
      if [[ $url != *:* ]] ; then
        url=http://$url
      fi
    fi
  fi
done

# Try to start in an existing session; check all screens
declare -a screens=(
  $(/usr/X11R6/bin/xdpyinfo | awk '
    /^name of display:/ { 
      disp = substr($NF, 0, index($NF, ".")-1) 
    }
    /^number of screens:/ {
      for (i = 0; i < $NF; i++) printf("%s.%d\n", disp, i)
    }')
  )
for s in $DISPLAY "${screens[@]}"; do 
  DISPLAY=${s} ${fbpath}/mozilla-xremote-client "openURL($url, new-$newtype)" \
  && exit 0
done
retval=$?

if [[ $retval -eq 2 || $retval -eq 3 ]] ; then
  # 2 = No running windows found, so start a new instance
  # 3 = Thunderbird is running, but doesn't handle openURL command
  #     (or it might be an unresponsive Firebird)
  # Put ampersands back in
  ${fbpath}/MozillaFirebird "`echo "${args[@]}" | sed 's/____AMPERSAND____/\&/g'`" && exit 0
  retval=$?
  echo "MozillaFirebird exited with non-zero status ($retval)" >&2
elif [[ $retval -eq 1 ]] ; then
  echo "Unable to connect to X server" >&2
else
  echo "Unknown error $retval from mozilla-xremote-client" >&2
fi

exit $retval