#!/bin/bash
# The purpose of this script is to encapsulate the calls
# made to the rip_dvd script. This is done to help distribute
# the resulting ripped files to the proper folders. This
# script is called from the mythtv menus for example with a
# smaller set of options.

##############################################
# Don't run if a previous rip attempt is still running
SCRIPT_NAME1="rip_dvd.wrap"
SCRIPT_NAME2="xterm -T Ripping"
MY_PID=$$
PARENT_PID=$PPID
GRAND_PID=$(ps -ef | grep "^[a-zA-Z]* [ ]* $PARENT_PID " | awk '{print $3}')
GREAT_GRAND_PID=$(ps -ef | grep "^[a-zA-Z]* [ ]* $GRAND_PID " | awk '{print $3}')
ps -ef | grep -e "$SCRIPT_NAME1" -e "$SCRIPT_NAME2" | grep -v grep | grep -v $MY_PID | grep -v $PARENT_PID | grep -v $GRAND_PID | grep -v $GREAT_GRAND_PID
if [[ $? == 0 ]]; then
  echo -e "-E- Found an instance of this script already running. Aborting this additional attempt to rip..."
  echo -e "    my_pid=$MY_PID parent_pid=$PARENT_PID grand_pid=$GRAND_PID great_grand_pid=$GREAT_GRAND_PID\n"
  CALLER=$(ps -ef | grep "^[a-zA-Z]* [ ]* $PPID " | awk '{print $3}')
  CALLER_CALLER=$(ps -ef | grep "^[a-zA-Z]* [ ]* $CALLER " | awk '{print $3}')
  echo I was called from $CALLER who was called by $CALLER_CALLER
  ps -ef | grep $MY_PID | grep -v grep
  ps -ef | grep $PARENT_PID | grep -v grep
  exit 1
fi

##############################################
# COMMAND LINE PROCESSING

# get the dvdtype from the command line
dvdtype=$1

# remove the dvdtype from the args, and interpret the rest
# of the args to be passed directly to the rip_dvd script.
shift 1

##############################################
if [ -z "$dvdtype" ]; then
  echo "-E- $0 <dvdtype>' is a required option"
  exit 1
fi

mydir=$(cd $(dirname $0) && pwd)
if [ -z "$ripcmd" ]
then
  if [ -x "$mydir/rip_dvd" ]
  then
    ripcmd="$mydir/rip_dvd"
  else
    echo >&2 "Cannot find your rip_dvd command!"
    exit 1
  fi
fi

##############################################################################
# Local Machine Settings:
# Sources both the "default" conf file tracked by GIT (rip_dvd.conf.dist)
# and the local conf file created by each local machine (rip_dvd.conf)
# Copy the rip_dvd.conf.dist file to rip_dvd.conf and edit the later.
# This will allow you to override all the default values to meet your needs
# in a way that won't get clobbered when you pull updates from my GIT repo.
##############################################################################
config="${0%/*}/rip_dvd.conf"

# The config file will be searched for in the following location order:
found_config=0

# 1) /path/to/rip_dvd/script/rip_dvd.conf.dist
[ -e "${config}.dist" ] && found_config=1 && . "${config}.dist"

# 2) /path/to/rip_dvd/script/rip_dvd.conf
[ -e "${config}" ] && found_config=1 && . "${config}"

# 3) /etc/rip_dvd.conf
[ -e "/etc/rip_dvd.conf" ] && found_config=1 && . "/etc/rip_dvd.conf"

# 4) $PWD/rip_dvd.conf
[ -e "$PWD/rip_dvd.conf" ] && found_config=1 && . "$PWD/rip_dvd.conf"

# Check to make sure we found the config file
if [ $found_config -eq 0 ]; then
  echo "-E- Unable to find the rip_dvd.conf file: $config"
  exit 1
fi

##############################################
# get the name of the DVD from the DVD disk
dvdname=`volname $dev | awk '{ print $1 }'`
dvdname=${dvdname%.} # remove trailing '.' character

##############################################
# Find out what type of DVD we are ripping
# And set our destination directory appropriately
# dvdtype parameter:
# - netflix = DVD ripped as an entire ISO image
#   since these are only kept around until we watch them,
#   there is no need to do anything less than full iso.
# - collection = Only DVD main feature is ripped
# - children = Only DVD main feature is ripped
# - church = Only DVD main feature is ripped
rip_opts="$* -j 2"
if [ "$dvdtype" == "netflix" ]; then
  echo "-> Ripping Netflix DVD"
  dest="$moviedir/Netflix"
  rip_opts="$rip_opts"
elif [ "$dvdtype" == "collection" ]; then
  echo "-> Ripping Personal Collection DVD"
  dest="$moviedir/Collection"
  rip_opts="$rip_opts"
elif [ "$dvdtype" == "children" ]; then
  echo "-> Ripping Children's DVD"
  dest="$moviedir/Children"
  rip_opts="$rip_opts"
elif [ "$dvdtype" == "church" ]; then
  echo "-> Ripping Church DVD"
  dest="$moviedir/Church"
  rip_opts="$rip_opts"
else
  echo '-E- Must specify dvdtype as "netflix" or "collection" or "children" or "church"'
  exit 1
fi

##############################################
# Display progress window

# Pop up an xterm window and run the script inside of it
echo "xterm -T \"Ripping->$dvdname\" -geometry 72x15+20+10 -bg black -fg white -e \"/bin/bash\" -c \"$ripcmd -d $dest $rip_opts\" &"
xterm -T "Ripping->$dvdname" -geometry 72x15+20+10 -bg black -fg white -e "/bin/bash" -c "$ripcmd -d $dest $rip_opts" &

##############################################
# OR display the script output directly in the terminal it's called from
#$ripcmd -d $dest $rip_opts

##############################################