#!/bin/bash

# 
# pkgdir
#
# script to make NuTyX packager life easier ;)
#
# LICENSE: MIT
#

PKGDIR_VERSION=0.1

#
#

print_help()
{
    echo "Usage: pkgdir [options] Dir"
    echo "Options:"
    echo "  -d,    --default        Install default Pkgfile & info in Dir"
    echo "  -p,    --perl           Install perl Pkgfile & info in Dir"
    echo "  -py,   --python         Install python Pkgfile & info in Dir"
    echo "  -w,    --waf            Install waf Pkgfile & info in Dir"
    echo "  -v,    --version        Print pkgdir version and exit"
    echo "  -h,    --help           Print this help and exit"
    exit 0
}

die()
{
    echo "$@"
    exit 1
}

# check dir name scheme : name@version
check_dir()
{
    IFS="@"
    set -- $DIR
    if [ "${#@}" -ne 2 ]; then
        die "Please, write dir name like that: name@version, aborting..."
    fi
    PKGNAME="$1"
    PKGVERSION="$2"

    # mkdir
    PORT="${PKGNAME}@${PKGVERSION}"
    mkdir -p $PKGNAME\@$PKGVERSION
    echo "$PORT created"
}

pkg_default()
{
    cat > $PKGNAME\@$PKGVERSION/Pkgfile << EOF
source=()

build(){
    cd \$name-\$version
    make
    make DESTDIR=\$PKG install    
}



# NuTyX Pkgfile (http://nutyx.org)
EOF

    echo "$PORT/Pkgfile default created"
}

pkg_python()
{
    cat > $PKGNAME\@$PKGVERSION/Pkgfile << EOF
source=()

build() {
    cd \$name-\$version
    python2 setup.py install --prefix=/usr --root=\$PKG
}



# NuTyX Pkgfile (http://nutyx.org)
EOF

    echo "$PORT/Pkgfile python created"
}

pkg_perl()
{
    cat > $PKGNAME\@$PKGVERSION/Pkgfile << EOF
source=()

build() {
    cd \$name-\$version
    perl Makefile.PL
    make OPTIMIZE="\$CFLAGS" || exit 1
    make install INSTALLDIRS=vendor DESTDIR=\$PKG || exit 1

    # Remove perllocal.pod and .packlist if present in the package
    for i in perllocal.pod .packlist; do
        find \$PKG -name "\$i" -exec rm -rf {} \;
    done
}



# NuTyX Pkgfile (http://nutyx.org)
EOF

    echo "$PORT/Pkgfile perl created"
}

pkg_waf()
{
    cat > $PKGNAME\@$PKGVERSION/Pkgfile << EOF
source=()

build() {
    cd \$name-\$version
    ./waf configure --prefix=/usr
    ./waf build
    ./waf install --destdir=\$PKG
}



# NuTyX Pkgfile (http://nutyx.org)
EOF

    echo "$PORT/Pkgfile waf created"
}

pkg_info()
{
    cat > $PKGNAME\@$PKGVERSION/$PKGNAME.info << EOF
blabla

URL: 

Packager:

x at nutyx dot org



# NuTyX package info file (http://nutyx.org)
EOF

echo "$PORT/$PKGNAME.info created"
}

parse_options()
{
    if [ $# -ge 1 ]; then
        case $1 in
            -d|--default)
                DIR=$2
                DEFAULT=YES ;;
            -py|--python)
                DIR=$2
                PYTHON=YES ;;
            -p|--perl)
                DIR=$2
                PERL=YES ;;
            -w|--waf)
                DIR=$2
                WAF=YES ;;
            -v|--version)
                VERSION=YES ;;
            -h|--help)
                HELP=YES ;;
             *)
                 die "Invalid option, see pkgdir --help, aborting!" ;;
         esac
    else
        die "Invalid option, see pkgdir --help, aborting!"
    fi
}

main()
{
    parse_options "$@"

    if [ $DEFAULT ]; then
        check_dir
        pkg_default
        pkg_info    
    elif [ $PERL ]; then
        check_dir
        pkg_perl
        pkg_info
    elif [ $PYTHON ]; then
        check_dir
        pkg_python
        pkg_info
    elif [ $WAF ]; then
        check_dir
        pkg_waf
        pkg_info
    elif [ $VERSION ]; then
        die "pkgdir $PKGDIR_VERSION"
    elif [ $HELP ]; then
        print_help
    else
        die "Wrong option, see pkgdir --help !"
    fi    
}

main "$@"