#!/bin/bash
VERSION=0.4r1
DEST=$1
shift 1
ORIG=$@

if [ -z /usr/lib/lch/compressor.sh ]; then . /usr/lib/lch/compressor.sh; else . ./lib/compressor.sh; fi
if [ -z /usr/lib/lch/decompressor.sh ]; then . /usr/lib/lch/decompressor.sh; else . ./lib/decompressor.sh; fi
if [ -z /usr/lib/lch/check.sh ]; then . /usr/lib/lch/check.sh; else . ./lib/check.sh; fi

function help()
{
    echo "Help:"
    echo "-----"
    echo ""
    echo "lch [-h] [-v] [-c] [-i] [FILE [FILE]]"
    echo ""
    echo "Examples:"
    echo "$ lch -h                       - This help"
    echo "$ lch -v                       - Print version"
    echo "$ lch -c                       - Check compresion systems"
    echo "$ lch -i                       - Install the compressors dependencies."
    echo "$ lch file.zip                 - Decompress"
    echo "$ lch file.zip /home/file      - Compress"
    echo "$ lch files.zip /flie1 /flie2  - Compress multiple"
    echo ""
    echo "Supported extensions:"
    echo "  rar, tar, tar.gz, tar.bz2, tar.xz, bz2, tgz, gz, zip, 7z"
    echo ""
    echo "Run 'man lch' for more info."
    echo ""
}

if [ "$DEST" = "--help" ] || [ "$DEST" = "-h" ]
then
    help
    exit 0
fi

if [ "$DEST" = "--check" ] || [ "$DEST" = "-c" ]
then
    check
    exit 0
fi

if [ "$DEST" = "--install" ] || [ "$DEST" = "-i" ]
then
    install $DEST $@
    exit 0
fi

if [ "$DEST" = "--version" ] || [ "$DEST" = "-v" ]
then    
    echo "Linux Compression Humanized $VERSION"
    exit 0
else
    echo -e "\nlch $VERSION"
    echo -e "---------\n"
fi

if [ -z "$DEST" ]
then
    help
    exit 1
else
    if [ -n "$ORIG" ]
    then
        echo "Compressor:"
        echo  -e "-----------\n"
        compressor $DEST $ORIG
    else
        echo "Decompressor:"
        echo -e "-------------\n"
        decompressor $DEST
    fi
fi