change_wallpaper.sh

source key.sh
function get_background(){
  if [[ `wget -S --spider $1  2>&1 | grep 'HTTP/1.1 200 OK'` ]]; then
    echo "image is available";
    wget -O $2 $1
  fi
}

PRG="$BASH_SOURCE"
progname=`basename "$BASH_SOURCE"`
while [ -h "$PRG" ] ; do
    ls=`ls -ld "$PRG"`
    link=`expr "$ls" : '.*-> \(.*\)$'`
    if expr "$link" : '/.*' > /dev/null; then
        PRG="$link"
    else
        PRG=`dirname "$PRG"`"/$link"
    fi
done
dir=$(dirname "$PRG")


function getJson() {

    code=($(curl -o /dev/null -s -w "%{http_code}\n" $1))
    echo $code; # HTTP response code
    echo $2;
    if [[ $code -eq 200 ]];then
            size=$2;
            if test -z "$size"
                then
                    size="full";
                elif [ "$size" != "raw" ] || [ "$size" != "full" ] || [ "$size" != "regular" ] || [ "$size" != "small" ] || [ "$size" != "thumb" ]; then
                    size="regular";
                else
                   echo "not empty";
            fi

            wget -O x.json $1
            total=($(jq -r '.total' x.json))
            total_pages=($(jq -r '.total_pages' x.json))

            TOTAL1=${total[@]}
            TOTALP=${total_pages[@]}

            FLOOR=0;
            CEILING=$(($TOTAL1/$TOTALP));
            RANGE=$(($CEILING-$FLOOR+1));
            RESULT=$RANDOM;
            let "RESULT %= $RANGE";
            RESULT=$(($RESULT+$FLOOR));

            url=($(jq -r '.results['$RESULT'].urls.'$size'' x.json))
            echo ${url[@]};
            

            BG_DIR=$dir/wallpapers;
            BG_FILE_NAME=${RESULT}.jpg;
            BG_PATH=$BG_DIR/$BG_FILE_NAME;

            if [ ! -d "$BG_DIR" ]; then
                echo "wallpaper path doesnt exist, creating it ..."
                mkdir $BG_DIR;
            fi
            if test -f "$BG_PATH"; then
                echo "renaming the wallpaper ..."
                BG_FILE_NAME=$RANDOM.jpg;
            fi

            echo "path:" $BG_DIR;
            echo "file:" $BG_FILE_NAME;
            
            get_background ${url[@]} $BG_PATH

            osascript -e 'tell application "Finder" to set desktop picture to POSIX file "'$BG_PATH'"'
            killall Dock;
        else
            echo "Impossible to perform the request ...";
    fi
}

function change_wallpaper() {
    theme=$1; # keyword for the wallpaper (nature, cars, etc...)
    size=$2; # raw, full, regular, small, thumb
    if test -z "$theme";then
        theme="plane";
    fi
    echo "theme:" $theme;
        apiEndPoint="https://api.unsplash.com/search/photos/?query="$theme"&client_id=$UNSPLASH_API_KEY&orientation=landscape";
        #echo $apiEndPoint;
        getJson $apiEndPoint $2;

}

change_wallpaper

exit