#!/bin/bash

# Go to script's path as a start:
cd "$(dirname "$0")"
BASEPATH=$(pwd)/wsusoffline
if [ ! -d /temp ]; then
   mkdir /temp
fi

echo Updating wsusoffline...
cd /temp/

wget --timestamping --directory-prefix="static" \
    "https://gitlab.com/wsusoffline/wsusoffline-sdd/-/raw/master/StaticDownloadLink-recent.txt"

URL=$(sed  -n '1p' < static/StaticDownloadLink-recent.txt)
URL=$( echo $URL | sed 's/\r//g')
echo "URL: "  $URL
wget -q $URL

HASH=$(head -2 static/StaticDownloadLink-recent.txt)
HASH=$(echo $HASH | sed 's/\r//g')
echo "HASH:----> "  $HASH
wget  $HASH


FILE=$(echo $URL |sed 's/https:\/\/gitlab.com\/wsusoffline\/wsusoffline\/uploads\/.*\///')
HASH=$(echo $FILE|sed 's/\.zip/_hashes.txt/')

echo "FILE:     " $FILE
echo "HASH:     " $HASH
  

if [[ -f $FILE ]]; then
    SHA256=$(sha256sum /temp/$FILE | awk '{print $1}')
        if [[ $(grep -c "$SHA256,$FILE" $HASH) -gt 0 ]]; then
            echo Download validated
            cd /temp/
            if [[ -d wsusoffline ]]; then
                rm -r wsusoffline
            fi
            unzip -q $FILE
            cd ..
            cp -av /temp/wsusoffline/* "$BASEPATH"
            else
                    echo Download failed
                    if [[ -f /temp/$FILE ]]; then
                            rm -v /temp/$FILE
                    fi
                    if [[ -f /temp/$HASH ]]; then
                            rm -v /temp/$HASH
                    fi
                    if [[ -d /temp/wsusoffline ]]; then
                            rm -r /temp/wsusoffline/
                    fi
        fi
fi

cd $BASEPATH
# cleanup
if [ -d /temp ]; then
   rm -rf /temp
fi

# make the shell scripts executabal again
find ../ -name '*.bash' -print0 | xargs -0 chmod +x
find ../ -name '*.sh' -print0 | xargs -0 chmod +x
cp -rf /wsus/preferences.bash /wsus/wsusoffline/sh/preferences.bash