Monitors Last.fm and plays last.fm "now playing" track on spotify-tui spt with spotifyd

playwme.sh

#!/usr/bin/env zsh
# now playing
# requires the last.fm API key
export API_KEY="fghjfghfghfghfghjfghjfjgh"

# requires LastFM user to follow
USER="hairball1975"

URL="http://ws.audioscrobbler.com/2.0/?method=user.getrecenttracks"
URL+="&user=$USER&api_key=$API_KEY&format=json&limit=1&nowplaying=true"


########################################################


function levenshtein {

    if (( $# != 2 )); then
        echo "Usage: $0 word1 word2" >&2
    elif (( ${#1} < ${#2} )); then
        levenshtein "$2" "$1"
    else
        local str1len=${#1}
        local str2len=${#2}
        local d

        for (( i = 0; i <= (str1len+1)*(str2len+1); i++ )); do
            d[i]=0
        done

        for (( i = 0; i <= str1len; i++ )); do
            d[i+0*str1len]=$i
        done

        for (( j = 0; j <= str2len; j++ )); do
            d[0+j*(str1len+1)]=$j
        done

        for (( j = 1; j <= str2len; j++ )); do
            for (( i = 1; i <= str1len; i++ )); do
                [ "${1:i-1:1}" = "${2:j-1:1}" ] && local cost=0 || local cost=1
                del=$(( d[(i-1)+str1len*j]+1 ))
                ins=$(( d[i+str1len*(j-1)]+1 ))
                alt=$(( d[(i-1)+str1len*(j-1)]+cost ))
                d[i+str1len*j]=$( echo "$del\n$ins\n$alt" | sort -n | head -1 )
            done
        done
        echo ${d[str1len+str1len*(str2len)]}
    fi
}

########################################################
 
function pagecheck {
    date
    echo "checking page for now playing..."
    RES=$(curl -s $URL)
	NOWPLAYING=$(jq '.recenttracks.track[0]."@attr".nowplaying' <<< "$RES" | tr -d '"')
	TRACK=$(jq '.recenttracks.track[0].name' <<< "$RES" | tr -d '"')
    ARTIST=$(jq '.recenttracks.track[0].artist."#text"' <<< "$RES" | tr -d '"')
    UNIXDATE=$(jq '.recenttracks.track[0].date."uts"' <<< "$RES" | tr -d '"')

    if [[ "$NOWPLAYING" = "true" ]]
    then
        echo "calling now playing"
	    nowplaying
    else
        echo "calling not playing"
        notplaying   
    fi

}

########################################################

function servicecheck {

    echo "Checking spotifyd service..."
    STATUS=$(brew services list | grep spotifyd | awk '{ print $2 }')

    if [[ "$STATUS" != "started" ]]
    then 
        brew services restart spotifyd
        echo "spotifyd service is now running."
    else 
        echo "spotifyd service already is running."
    fi

}

########################################################

function nowplaying {

    CURRENTPLAYINGLOCALTRACK=$(spt playback -f %t)
    CURRENTPLAYINGLOCALARTIST=$(spt playback -f %a)
    CURRENTTRACK=$(echo "$CURRENTPLAYINGLOCALTRACK""$CURRENTPLAYINGLOCALARTIST" | sed 's/[^a-zA-Z0-9]//g' | tr '[:upper:]' '[:lower:]')
    CURRENTTRACK=${CURRENTTRACK:-default}
	TRACK=$(jq '.recenttracks.track[0].name' <<< "$RES" | tr -d '"')
    ARTIST=$(jq '.recenttracks.track[0].artist."#text"' <<< "$RES" | tr -d '"')
    REMOTETRACK=$(echo "$TRACK""$ARTIST" | sed 's/[^a-zA-Z0-9]//g' | tr '[:upper:]' '[:lower:]')
    echo CURRENTTRACK is $CURRENTTRACK
    echo REMOTETRACK is $REMOTETRACK

    if [[ $CURRENTTRACK = $REMOTETRACK ]] || [[ $CURRENTTRACK =~ .*$REMOTETRACK.* ]] || [[ $REMOTETRACK =~ .*$CURRENTTRACK.* ]]
    then
        LEV="1"
        echo "this contains that levenshtein is $LEV"
    else 
    echo "calculating levenshtein distance..."
    LEV=$(levenshtein $REMOTETRACK $CURRENTTRACK)
    echo "levenshtein is $LEV"
    fi

    if [[ "$LEV" -lt "4" ]] && [[ -n "$CURRENTTRACK" ]]
    then
        echo "still playing..."
        sleep 15
    elif   [[ "$LEV" -gt "4" ]] || [[ -z "$LEV" ]] 
    then
        echo "Current Locally playing track is $CURRENTPLAYINGLOCALTRACK by $CURRENTPLAYINGLOCALARTIST"
        echo "Current Last.FM track is $TRACK by $ARTIST at $DATE"
        echo "Do you wish to play this Last.FM track? [Timed default 'yes']"
        timelimit=2
        reply="y"
        read -n1 -t $timelimit reply
        #read -t $timelimit reply <&1 
        # for bash versions bellow 3.x

        if [[ $reply = "N" ]] || [[ $reply  = "n" ]] || [[ $reply  = "q" ]] || [[ $reply  = "Q" ]]
        then 
            exit 0
        elif [[ $reply = "Y" ]] || [[ $reply  = "y" ]]
        then
            echo ""
            echo "yes seleted. Playing last track..."
            open https://www.last.fm/user/$USER
            spt play --name "$ARTIST $TRACK" --track
            spt playback --transfer spotifyd
        else
            echo ""
            echo "continuing checking.."
        fi
    fi

    pagecheck


}

#####################################################

function notplaying {

    echo "Nothing Playing"
	NOWPLAYING=$(jq '.recenttracks.track[0]."@attr".nowplaying' <<< "$RES" | tr -d '"')
    TRACK=$(jq '.recenttracks.track[0].name' <<< "$RES" | tr -d '"')
    ARTIST=$(jq '.recenttracks.track[0].artist."#text"' <<< "$RES" | tr -d '"')
    UNIXDATE=$(jq '.recenttracks.track[0].date."uts"' <<< "$RES" | tr -d '"')
    DATE=$(date -r $UNIXDATE)

    echo "Previous was $TRACK by $ARTIST at $DATE"
    timelimit=30
    echo "Do you wish to play this track? [Timed default 'no']"
    reply=""
    read -n1 -t $timelimit reply
    #read -t $timelimit reply <&1 
    # for bash versions bellow 3.x
    if [[ $reply = "Y" ]] || [[ $reply  = "y" ]]
    then
        echo ""
        echo "yes seleted. Playing last track..."
        spt playback --transfer spotifyd
        spt play --name "$ARTIST $TRACK" --track
    elif [[ $reply = "N" ]] || [[ $reply  = "n" ]] || [[ $reply  = "q" ]] || [[ $reply  = "Q" ]]
    then 
        exit 0
    else
        echo ""
        echo "continuing checking.."
    fi

    pagecheck
}

#####################################################3

#servicecheck
brew services restart spotifyd
sleep 2
pagecheck