#!/bin/sh
# Copyright (C) 2008  Emmanuel Varoquaux

# This file is part of XOS.

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

usage()
{
    echo "Usage: $0 [OPTION]... setup|clean|publish|publish-html ..."
    echo
    echo "Mandatory arguments to long options are mandatory for short options too."
    echo "  -h, --help                 display this help and exit"
    echo
    echo "Commands are:"
    echo "  setup - create the website file tree structure and copy static files"
    echo "  clean - remove the website file tree"
    echo "  publish [files]... - upload the files to the ftp repository"
    echo "  publish-html - like publish but upload only generated files"
    echo "  validate-html page... - validate published html pages"
    echo "  validate-css sheet... - validate published stylesheets"
    return 0
}

attachnotice()
{
    TMPFILE=`mktemp`
    trap "rm -f $TMPFILE" EXIT
    if [ "$3" ] && sed -n "1p" "$2" | grep "$3" >/dev/null; then
        sed -n "1p" "$2" >>$TMPFILE
        cat "$1" >>$TMPFILE
        sed -n "1!p" "$2" >>$TMPFILE
    else
        cat "$1" >>$TMPFILE
        if [ -s "$2" ]; then
            echo >>$TMPFILE
            cat "$2" >>$TMPFILE
        fi
    fi
    cp $TMPFILE "$2"
    rm $TMPFILE
    trap - EXIT
    return 0
}

count()
{
    find $@ -name "*\.[cSh]" -o -name "*.asm" | xargs wc -l | tail -n1 | sed "s/total//" | xargs echo
    return 0
}

args=`getopt -o h -l help -n "$0" -- "$@"`
status=$?
if [ $status != 0 ]; then
    case $status in
        1)
            echo "Try \`$0 --help' for more information." >/dev/stderr
            exit 1
            ;;
        *)
            exit 1
    esac
fi
eval set -- "$args"
while true; do
    case "$1" in
        -h|--help)
            usage
            exit 0
            ;;
        --)
            shift
            break
            ;;
        *)
            exit 1
    esac
done

if [ -z "$1" ]; then
    usage >/dev/stderr
    exit 1
fi

set -e
. ./setenv
case "$1" in
    setup)
        mkdir -p www
        echo "Installing PEAR..."
        tar xzf ext/PEAR-1.7.2.tgz -C www --strip 1 PEAR-1.7.2/PEAR.php
        mkdir -p www/Text
        tar xzf ext/Text_Highlighter-0.7.1.tgz -C www/Text --strip 1
        rm -rf www/src
        mkdir www/src
        (
            cd www/src
            echo "Exporting source code..."
            cvs -Q export -r LAST_RELEASE xos
            echo "Adding license notices..."
            cp ../../license/COPYING xos
            for file in `find xos -path "xos/website/license" -prune -o -type f -print`; do
                FILENAME=`basename $file`
                if echo $FILENAME | grep "\.[chS]$" >/dev/null; then
                    attachnotice ../../license/notice.c $file "^[[:blank:]]*/\*[^*]*\*\([^/][^*]*\*\)*/[[:blank:]]*$"
                elif echo $FILENAME | grep "\.asm$" >/dev/null; then
                    attachnotice ../../license/notice.asm $file
                elif echo $FILENAME | grep "\.xml$" >/dev/null; then
                    attachnotice ../../license/notice.xml $file "^[[:blank:]]*<?xml "
                elif echo $FILENAME | grep "\.xsl$" >/dev/null; then
                    attachnotice ../../license/notice.xml $file "^[[:blank:]]*<?xml "
                elif echo $FILENAME | grep "\.php$" >/dev/null; then
                    attachnotice ../../license/notice.php $file
                elif echo $FILENAME | grep "\.css$" >/dev/null; then
                    attachnotice ../../license/notice.css $file
                elif echo $FILENAME | grep "\.sh$" >/dev/null; then
                    attachnotice ../../license/notice.sh $file "^#\!"
                elif echo $FILENAME | grep "^Makefile$" >/dev/null; then
                    attachnotice ../../license/notice.mk $file
                fi
            done
            echo "Packaging source code..."
            tar czf xos.tar.gz xos
            echo "Computing statistics..."
            system_lines=`count xos/boot xos/common/include xos/drivers xos/fs xos/include xos/init xos/kernel xos/mm xos/startup`
            user_lines=`count xos/usr`
            tools_lines=`count xos/tools`
            total_lines=$(($system_lines+$user_lines+$tools_lines))
            echo $system_lines $user_lines $tools_lines $total_lines >count.txt
        )
        mkdir -p www/images
        mkdir -p www/css
        exit 0
        ;;
    clean)
        rm -rf www
        exit 0
        ;;
    publish)
        shift
        [ -z "$*" ] && set www
        (
            cd www
            for file in "$@"; do
                local_file=`echo $file | sed -nr "s/^www(\/|$)/.\1/p"`
                [ "$local_file" ] && ncftpput -f ../login.cfg -R -m $REMOTE_DIR/`dirname $local_file` "$local_file"
            done
        )
        exit 0
        ;;
    publish-html)
        shift
        (
            cd www
            local_files=`find -mindepth 1 -maxdepth 1 ! -path ./PEAR.php -a ! -path ./Text -a ! -path ./src`
            [ "$local_files" ] && ncftpput -f ../login.cfg -R -m $REMOTE_DIR $local_files
        )
        exit 0
        ;;
    validate-html)
        shift
        if [ -z "$*" ]; then
            usage >/dev/stderr
            exit 1
        fi
        err=0
        while [ "$1" ]; do
            status=`wget -q --save-headers -O - "http://validator.w3.org/check?uri=http://$HOST/$REMOTE_DIR/$1" | sed -n "s/^[[:blank:]]*X-W3C-Validator-Status:[[:blank:]]*\([[:alnum:]]*\)[[:space:]]*/\1/p"`
            echo "$1: $status"
            if [ "$status" = "Invalid" ]; then
                err=1
            fi
            shift
        done
        [ $err -eq 0 ]
        exit
        ;;
    validate-css)
        shift
        if [ -z "$*" ]; then
            usage >/dev/stderr
            exit 1
        fi
        err=0
        while [ "$1" ]; do
            status=`wget -q --save-headers -O - "http://jigsaw.w3.org/css-validator/validator?uri=http://$HOST/$REMOTE_DIR/$1" | sed -n "s/^[[:blank:]]*X-W3C-Validator-Status:[[:blank:]]*\([[:alnum:]]*\)[[:space:]]*/\1/p"`
            if [ "$status" != "Valid" ]; then
                err=1
                if [ -n $status ]; then
                    status="?"
                fi
            fi
            echo "$1: $status"
            shift
        done
        [ $err -eq 0 ]
        exit
        ;;
    *)
        echo "$0: invalid command: $1" >/dev/stderr
        echo "Try \`$0 --help' for more information." >/dev/stderr
        exit 1
esac