#!/bin/bash

usage()
{
    echo "Usage: $0 [-d] [year] <project> <submission> <login> <tarball>"
}

if [ -z "$4" ]
then
    usage
    exit 1
fi

if ! which gearman > /dev/null 2> /dev/null
then
    echo "gearman isn't installed on this machine. Please try another one."
    exit 1
fi

if [ "x$1" = "x-d" ]
then
    BACKGROUD=
    shift
else
    BACKGROUD="-b"
fi

if [ "x${1:0:2}" = "x20" ]
then
    YEAR="  <param name=\"year\">$1</param>"
    shift
else
    YEAR=
fi
PROJECT_ID=$1
RENDU=$2
LOGIN=$3

if ! [ -f "$4" ]
then
    usage
    exit 2
fi

MIME=`file -b -i "$4" | cut -d ';' -f 1`

if [ "$MIME" = "application/x-bzip2" ]
then
    FILE=`bzip2 --decompress --stdout "$4" | gzip --stdout | base64`

elif [ "$MIME" = "application/x-gzip" ]
then
    FILE=`gzip --decompress --stdout "$4" | gzip --stdout | base64`

elif [ "$MIME" = "application/x-xz" ]
then
    FILE=`xz --decompress --stdout "$4" | gzip --stdout | base64`

elif [ "$MIME" = "application/x-tar" ]
then
    FILE=`tar cz "$4" | base64`

elif [ "$MIME" = "inode/directory" ]
then
    FILE=`tar xf "$4" | tar cz | base64`

else
    echo "I don't know how to treat $4" >&2
    exit 3
fi

cat <<EOF | gearman -h gearmand-srv -p 4730 -f moulette_get $BACKGROUD
<?xml version="1.0"?>
<process>
  <param name="type">std</param>
$YEAR
  <param name="id">$PROJECT_ID</param>
  <param name="rendu">$RENDU</param>
  <param name="login">$LOGIN</param>
  <param name="file">rendu.tgz</param>
  <file name="rendu.tgz">$FILE</file>
</process>
EOF