#!/bin/bash
if [ `dpkg -l | egrep -c "cifs-utils|smbclient"` -lt 2 ]
then
    apt-get update
    apt-get -y install cifs-utils smbclient
fi

for d in /home/shares/*/*
do
    umount $d > /dev/null 2>&1 || umount $d/* > /dev/null 2>&1
    rmdir $d/* > /dev/null 2>&1
    rmdir $d > /dev/null 2>&1
done

# Remove all ^//ecole-dc lines in fstab
sed -i.bak '/^\/\/ecole-dc/d' /etc/fstab

declare -A LEVELS
LEVELS=(['01-mini']='CP' ['02-super']='CE' ['03-maxi']='CM')
CLASSES=(['01-mini']='01-CP' ['02-super']='02-CE1-CE2' ['03-maxi']='03-CM1-CM2')

# Students
for usr in 01-mini 02-super 03-maxi
do
    mkdir -p /home/shares/$usr/ELEVES
    mkdir -p /home/shares/$usr/PROFESSEURS
    chown -R direction:direction /home/shares/$usr
    lvl=${LEVELS[$usr]}
    if [ $lvl != 'CP' ]
    then
        lvl2="${lvl}1-${lvl}2"
    else
        lvl2=$lvl
    fi
    lvlcred=$(echo "$lvl" | awk '{print tolower($0)}')
    cat <<EOF>>/etc/fstab
//ecole-dc/$lvl2/donnees /home/shares/$usr/PROFESSEURS/ cifs _netdev,users,noauto,vers=1.0,credentials=/etc/cifs/secrets/$lvlcred,uid=$usr,gid=$usr 0 0
//ecole-dc/$lvl2/travail /home/shares/$usr/ELEVES/ cifs _netdev,users,noauto,vers=1.0,credentials=/etc/cifs/secrets/$lvlcred,uid=$usr,gid=$usr 0 0
EOF
done
# profs
for usr in direction
do
    mkdir -p /home/shares/$usr/SCAN
    for classe in 01-CP 02-CE1-CE2 03-CM1-CM2
    do
        mkdir -p /home/shares/$usr/$classe/PROFESSEURS
        mkdir -p /home/shares/$usr/$classe/ELEVES
        lvl=`echo $classe | sed 's/^[0-9]*-//'`
        # Should not be prof-cp
        cat <<EOF>>/etc/fstab
//ecole-dc/profs-$lvl/classe/donnees /home/shares/$usr/$classe/PROFESSEURS/ cifs _netdev,users,noauto,vers=1.0,credentials=/etc/cifs/secrets/prof,uid=$usr,gid=$usr 0 0
//ecole-dc/profs-$lvl/classe/travail /home/shares/$usr/$classe/ELEVES/ cifs _netdev,users,noauto,vers=1.0,credentials=/etc/cifs/secrets/prof,uid=$usr,gid=$usr 0 0
EOF
    done
    chown -R $usr:$usr /home/shares/$usr
    cat <<EOF>>/etc/fstab
//ecole-dc/SCAN /home/shares/$usr/SCAN/ cifs _netdev,users,noauto,vers=1.0,credentials=/etc/cifs/secrets/prof,uid=$usr,gid=$usr 0 0
EOF
done

# Confidential
mkdir -p /home/shares/prof/CONFIDENTIEL
mkdir -p /home/shares/direction/CONFIDENTIEL_PROFESSEURS
mkdir -p /home/shares/direction/CONFIDENTIEL_DIRECTION
cat <<EOF>>/etc/fstab
//ecole-dc/svc-prof/perso /home/shares/prof/CONFIDENTIEL/ cifs _netdev,users,noauto,vers=1.0,credentials=/etc/cifs/secrets/prof,uid=prof,gid=prof 0 0
//ecole-dc/svc-prof/perso /home/shares/direction/CONFIDENTIEL_PROFESSEURS/ cifs _netdev,users,noauto,vers=1.0,credentials=/etc/cifs/secrets/prof,uid=direction,gid=direction 0 0
//ecole-dc/svc-dir/perso /home/shares/direction/CONFIDENTIEL_DIRECTION/ cifs _netdev,users,noauto,vers=1.0,credentials=/etc/cifs/secrets/dir,uid=direction,gid=direction 0 0
EOF

cp `dirname $0`/mount_shares.service /etc/systemd/system/
systemctl daemon-reload
ping -c 3 ecole-dc
if [ $? -eq 0 ]
then
    systemctl start mount_shares.service
else
    echo "ATTENTION : les montages sont actives mais ecole-dc n'est pas joignable"
fi
systemctl enable mount_shares.service