#!/bin/bash

# Ensure we have a valid TMPDIR
if [ ! -d "${TMPDIR}" ]; then
        TMPDIR="`getconf DARWIN_USER_TEMP_DIR 2>/dev/null`"
        if [ ! -d "${TMPDIR}" ]; then
                TMPDIR="/var/tmp"
        fi
        if [ ! -d "${TMPDIR}" ]; then
                TMPDIR="/tmp"
        fi
fi

# Config
HOST="vera.uberzach.com"
SHARE="media"
LOCK="${TMPDIR}/mountMedia.mounting"
REMOTE_USER="${USER}"

# Hack for mismatched usernames
if [ "${USER}" == "tv" ]; then
	REMOTE_USER="atv"
fi

function findMedia {
	MEDIA=""
	for i in "/Volumes/${SHARE}"*; do
		if [ -d "${i}" ] && [ -d "${i}/TV/30 Rock" ]; then
			MEDIA="${i}"
		fi
	done
}

# Skip this whole shebang if we've got a valid link
if ~/bin/video/isMediaMounted; then
	exit 0
fi

# Check for connectivity (and server live-ness)
if ! ~/bin/video/timeout -t 2 nc -z "${HOST}" 139 >/dev/null 2>&1; then
	echo "`basename "${0}"`: Host not available: ${HOST}" 1>&2
	exit 1
fi

# Connect as needed
findMedia
if [ -z "${MEDIA}" ]; then
	LOCKED=0
	touch "${LOCK}"
	read MOUNT_PID < "${LOCK}"
	if [ -n "${MOUNT_PID}" ]; then
		if ps -A -o pid | grep -q "${MOUNT_PID}"; then
			LOCKED=1
		fi
	fi
	if [ $LOCKED -eq 0 ]; then
		echo $$ > "${LOCK}"
		~/bin/video/timeout -t 30 osascript -e 'tell application "Finder" to mount volume "smb://'"${REMOTE_USER}@${HOST}/${SHARE}"'"'
		sleep 5
		rm -f "${LOCK}"
	fi
fi

# Fix links
findMedia
if [ -n "${MEDIA}" ]; then
	if [ -d /mnt ] && touch /mnt/media.writeTest >/dev/null 2>&1; then
		rm -f /mnt/media.writeTest
		if [ -e /mnt/media ] || [ -h /mnt/media ]; then
				rm -f /mnt/media
		fi
		ln -s "${MEDIA}" /mnt/media
	fi
	if [ -e "${HOME}/media" ] || [ -h "${HOME}/media" ]; then
		rm -f "${HOME}/media"
		ln -s "${MEDIA}" "${HOME}/media"
	fi
else
	echo "`basename "${0}"`: Unable to mount media volume" 1>&2
	exit 1
fi