#!/bin/sh

PREFIX_DIR=@PREFIXDIR@
SHARES_DB=/var/lib/likewise/db/lwio-shares.db

ShowUsage()
{
    echo "\nUsage: lwnet share {add, delete, list} <args>\n"
    echo "       lwnet share add [-c <comment>] [-s <sid>] -i <service> -p <path> name"
    echo "       lwnet share delete name"
    echo "       lwnet share list"
}

AddShare()
{
    _comment=
    _sid=
    _path=
    _name=
    _service=
    
    while [ $# -gt 0 ]; do

        case $1 in

            -c)

                shift

                if [ $# -lt 1 ]; then
                   ShowUsage
                   exit 1
                fi

                _comment=$1

                shift
                ;;
            -i)
             
                shift

                if [ $# -lt 1 ]; then
                   ShowUsage
                   exit 1
                fi

                case $1 in
                   "A:"|"LPT1"|"IPC"|"COMM")
                       _service=$1
                       ;; 
                   *)
                       _service=
                       ;;
                esac

                shift
                ;;

            -s)

                shift

                if [ $# -lt 1 ]; then
                   ShowUsage
                   exit 1
                fi

                _sid=$1

                shift
                ;;

            -p)

                shift

                if [ $# -lt 1 ]; then
                   ShowUsage
                   exit 1
                fi

                _path=$1

                shift
                ;;

            *)
                _name=$1

                shift 
                ;;

        esac

    done

    if test "x$_name" = "x"; then
       echo "Please specify a valid share name"
       ShowUsage
       exit 1
    fi

    if test "x$_path" = "x"; then
       echo "Please specify a valid share path"
       ShowUsage
       exit 1
    fi

    if test "x$_service" = "x"; then
       echo "Please specify a valid service name, one of {A:, LPT1:, IPC, COMM}"
       ShowUsage
       exit 1
    fi

$PREFIX_DIR/bin/sqlite3 $SHARES_DB <<EOF

        insert into shares (name,
                            path,
                            sid,
                            service,
                            comment)
                    values ("$_name",
                            "$_path",
                            "$_sid",
                            "$_service",
                            "$_comment");
EOF

    if [ $? -eq 0 ]; then
        echo "Successfully added share $name"
    else
        echo "Failed to add share $name [Error code: $?]"
    fi

    return $?
}

DeleteShare()
{
    if [ $# -lt 1 ]; then
        ShowUsage
        exit 1
    fi

$PREFIX_DIR/bin/sqlite3 $SHARES_DB <<EOF

    delete from shares where name = "$1";

EOF

    if [ $? -eq 0 ]; then
        echo "Successfully deleted share $name"
    else
        echo "Failed to delete share $name [Error code:$?]"
    fi

    return $?
}

ListShares()
{

$PREFIX_DIR/bin/sqlite3 $SHARES_DB << EOF
.mode column
.headers on
select name,
       path,
       sid,
       comment,
       service
from shares;

EOF

    return $?
}

ProcessShares()
{
    if [ ! -x $PREFIX_DIR/bin/sqlite3 ]; then
        echo "Error: cannot find $PREFIX_DIR/bin/sqlite3"
        exit 1
    fi

    if [ ! -e $SHARES_DB ]; then
        echo "Error: cannot find the share database at $SHARE_DIR_DIR"
        exit 1
    fi

    if [ $# -lt 1 ]; then
        ShowUsage
        exit 1;
    fi

    case $1 in
        add)
            shift
            AddShare $@
            ;;
        delete)
            shift
            DeleteShare $@
            ;;
        list)
            shift
            ListShares $@
            ;;
        *)
            ShowUsage
            exit 1
            ;;
    esac

    return $?
}

if [ $# -lt 2 ]; then
   ShowUsage
   exit 1;
fi

case $1 in
    share)
        shift
        ProcessShares $@
        ;;
    *)
        ShowUsage
        exit 1;
        ;;
esac