#!/usr/bin/env bash

shopt -s globstar

# check for config files
if [[ ! -f $HOME/.config/clerk/config ]] && [[ ! -f /etc/clerk ]]; then
    echo "Error: could not find configuration file \"$HOME/.config/clerk/config\""
    echo "You can use the provided example configuration file (config.clerk), copy it to the above location and edit it to your needs."
	exit
fi

# read global config, if present
if [[ -f /etc/clerk.conf ]]; then
    source /etc/clerk.conf
fi

# read local config file
if [[ -f $HOME/.config/clerk/config ]]; then
    source $HOME/.config/clerk/config
fi

# check for scrobbler
if [[ $scrobbler == mpdas ]]; then
    export scrobbler="mpdas -d"
    export scrobbler_kill="mpdas"
elif [[ $scrobbler == mpdscribble ]]; then
    export scrobbler_kill="mpdscribble"
fi

fix_date_format() {
    # provided by Thorsten Wißmann:
    # https://github.com/t-wissmann/dotfiles/blob/master/menu/rofi-mpd.sh
    # reformats the date given in column $1 from format %c of locale LC_TIME=C
    # (see man strftime) to the format specified in argument $2 column indices
    # start with 1
    column_index="$1"
    gawk -F $'\t' '
    # parse a date which was formated using %c to unix time
    BEGIN {
        # generated by the following bash one-liner:
        # for i in {1..12} ; do LC_TIME=C date -d "1972-$i-01" +month2num[\"%b\"]\ =\ %_m ; done
        month2num["Jan"] =  1
        month2num["Feb"] =  2
        month2num["Mar"] =  3
        month2num["Apr"] =  4
        month2num["May"] =  5
        month2num["Jun"] =  6
        month2num["Jul"] =  7
        month2num["Aug"] =  8
        month2num["Sep"] =  9
        month2num["Oct"] = 10
        month2num["Nov"] = 11
        month2num["Dec"] = 12
    }
    function reformat_c_date(str) {
        monthname = gensub(/^([^ ]*)[ ]+([^ ]*)[ ]+([^ ]*)[ ]+([^ ]*)[ ]+([^ ]*)$/, "\\2", "g", str)
        monthnum = month2num[monthname]
        nicedate = gensub(/^([^ ]*)[ ]+([^ ]*)[ ]+([^ ]*)[ ]+([^ ]*)[ ]+([^ ]*)$/, "\\5 " monthnum " \\3 \\4", "g", str)
        nicedate = gensub(/:/, " ", "g", nicedate)
        return nicedate
    }
    {
        # modify the $column_index-th field
        $'"$1"' = strftime("'"$2"'", mktime(reformat_c_date($'"$1"')))
        print $0
    }
    '
}


updateCache () {
    notify-send "clerk" "updating cache files"
    cd $HOME/.config/clerk
    rm -f *.cache
    mpc --format '[%mtime%\t%albumartist%|%artist%] — (%date%) — %album%' \
        search filename '' \
        | grep -v '^ — ' \
        | grep -v ' — $' \
        | uniq \
        | fix_date_format 1 '%Y-%m-%d-%H:%M:%S' \
        | sort -u \
        | sort -nr \
        | awk '{for (i=2; i<NF; i++) printf $i " "; print $NF}' \
        | awk -F ' — ' '{ print $1 "\t" $2 " — " $3 }' \
        | column -o $'\t' -s $'\t' -t > $HOME/.config/clerk/latest.cache
#        | sed 's,^\([^\t]*\t[^\t]\{40\}\)[^\t]*,\1,' | column -o $'\t' -s $'\t' -t | uniq > $HOME/.config/clerk/latest.cache
    mpc --format '[%albumartist%|%artist%]\t(%date%) — %album%' \
        search filename '' \
        | grep -v '^ — ' \
        | grep -v ' — $' \
        | sort \
        | uniq \
        | column -o $'\t' -s $'\t' -t > $HOME/.config/clerk/albums.cache
    mpc --format '[[%title%\t[(by %artist%[ on %album%])]]|[%file%]]\t%file%' \
        search filename '' \
        | grep -v '^ — ' \
        | grep -v ' — $' \
        | uniq \
        | sed 's,^\([^\t]\{40\}\)[^\t]*,\1…,' | column -o $'\t' -s $'\t' -t \
        > $HOME/.config/clerk/tracks.cache
    notify-send "clerk" "finished updating cache files"
}

date=$(mpc stats | grep 'DB Updated: ')
file="$HOME/.config/clerk/.lastupdate"
if [ "$(< $file)" = "$date" ] && [ -f "$file" ] ; then
    :
else
    updateCache
    echo "${date}" > "${file}"
fi

# Use GNU coreutils on OSX
sed=$([[ "$OSTYPE" == "darwin"* ]] && echo 'gsed' || echo 'sed')
shuf=$([[ "$OSTYPE" == "darwin"* ]] && echo 'gshuf' || echo 'shuf')
tac=$([[ "$OSTYPE" == "darwin"* ]] && echo 'gtac' || echo 'tac')


# main Menu
dplayPrompt () {
    if [[ -z $(mpc status | grep "/") ]]; then
        song="No Song is playing"
    else
        song=$(mpc current)
    fi
    menu=("< Exit"
          "---"
          "1 [ Browse Library ]>"
          "2 [ Current Artist ]>"
          "3 [ Current Queue ]>"
          "---"
          "4 [ Options ]>"
          "5 [ Ratings ]>")

    menu=$(printf "%s\n" "${menu[@]}" | dmenu_t -dmenu -lines 17 -mesg "<span color='$help_color'>${toggle}: Toggle Playback, ${prev}: Prev, ${next}: Next, ${stop}: Stop</span>" -auto-select -p "Now Playing: ${song} > ")

    val=$?

    if [[ $val -eq 10 ]]; then
        mpc toggle
        dplayPrompt
    elif [[ $val -eq 11 ]]; then
        mpc prev
        dplayPrompt
    elif [[ $val -eq 12 ]]; then
        mpc next
        dplayPrompt
    elif [[ $val -eq 13 ]]; then
        mpc stop
        dplayPrompt
    fi

    if [[ "$menu" == "< Exit" ]]; then
        exit
    elif [[ "$menu" == "2 "* ]]; then
        currentMenu
    elif [[ "$menu" == "3 "* ]]; then
        dplayQueue
    elif [[ "$menu" == "1 "* ]]; then
        browseLibPrompt
    elif [[ "$menu" == "4 "* ]]; then
        dplayOptionsPrompt
    elif [[ "$menu" == "5 "* ]]; then
        ratingPrompt
    elif [[ -z "$menu" ]]; then
        exit
    fi

}

# start/stop scrobbler. locally or remote
lastFM () {
# Some Variables to clean up the code

        if [[ $ssh_lastfm == 1 ]]; then
            mpds_check="$(ssh $ssh_host -q -t "pgrep $scrobbler_kill")"
            if [ -n "$mpds_check" ];
                then
                ssh $ssh_host -q -t "killall $scrobbler_kill" && notify-send "MPD" "LastFM Scrobbling Disabled"
            else
                ssh $ssh_host -q "$scrobbler" && notify-send "MPD" "LastFM Scrobbling Enabled"
            fi
        else
            if pgrep $scrobbler_kill
                then
                killall $scrobbler_kill && notify-send "MPD" "LastFM Scrobbling Disabled"
            else
                $scrobbler && notify-send "MPD" "LastFM Scrobbling Enabled"
            fi
       fi
}


lastFMCheck () {
# Some Variables to clean up the code

        if ((ssh_lastfm)); then
            mpds_check="$(ssh $ssh_host -q -t "pgrep $scrobbler_kill")"
            if [ -n "$mpds_check" ]; then
                echo "lastfm: off"
            else
                echo "lastfm: on"
            fi
        else
            if pgrep $scrobbler_kill
                then
                echo "lastfm: on"
            else
                echo "lastfm: off"
            fi
       fi
}

currentMenu () {
    getAlbums() {
        mpc search -f '(%date%)\t%album%' artist "$(mpc current -f '%artist%')" | uniq | sed 's,^\([^\t\t]\{40\}\)[^\t]*,\1…,' | column -o $'\t' -s $'\t' -t
    }

    getTracks() {
        mpc search -f '%track%\t%title%' artist "$(mpc current -f '%artist%')" | sed 's,^\([^\t\t]\{40\}\)[^\t]*,\1…,' | column -o $'\t' -s $'\t' -t
    }

    if [[ -z $(mpc current) ]]; then
        menu_temp=$(echo -e "< Return" | dmenu_t -dmenu -p "No Music is playing")
    else
        menu_temp=$((echo -e "< Return\n---"; getAlbums; echo -e "---"; getTracks) | dmenu_t -custom-kb-1 "${add}" -custom-kb-2 "${insert}" -custom-kb-3 "${replace}" -dmenu -format "f¬s" -filter "$filter" -select "$entry" -mesg "<span color='$help_color'>${add}: Add, ${insert}: Insert, ${replace}: Replace</span>" -p "Other Music by $(mpc current -f '%artist%') > ")

        # for some reason directly defining $val wasnt working. Using a
        # temporary variable instead.
        tempval=$?
        val=$tempval

        menu="${menu_temp#*¬}"
        albumartist=$(mpc current -f '%albumartist%')
        artist=$(mpc current -f '%artist%')
        unset filter
        export filter="${menu_temp%¬*}"

        if [[ $menu == "< Return" ]]; then
            dplayPrompt
        fi

        if [[ $(echo "${menu}" | awk -F '\t' '{ print $1 }') == "("* ]]; then
            item="Album"
        elif [[ $(echo "${menu}" | awk -F '\t' '{ print $1 }') != *"(" ]]; then
            item="Song"
        fi

        # checking for exit codes.
        if [[ $item == "Album" ]]; then
            if [[ $val -eq 11 ]]; then
                mpc find album "$(echo -n "${menu}" | awk -F '\t' '{ print $2 }' | sed -e 's/[[:space:]]*$//')" artist "${artist}" | mpc insert
                entry="$menu"
            elif [[ $val -eq 0 || $val -eq 12 ]]; then
                mpc clear
                mpc find album "$(echo -n "${menu}" | awk -F '\t' '{ print $2 }' | sed -e 's/[[:space:]]*$//')" artist "${artist}" | mpc add
                mpc play
                entry="$menu"
            elif [[ $val -eq 10 ]]; then
                mpc find album "$(echo -n "${menu}" | awk -F '\t' '{ print $2 }' | sed -e 's/[[:space:]]*$//')" artist "${artist}" | mpc add
                entry="$menu"
            elif [[ $val -eq 1 ]]; then
                exit
            fi
            currentMenu
        elif [[ $item == "Song" ]]; then
            if [[ $val -eq 11 ]]; then
                mpc find track "$(echo -n "${menu}" | awk -F '\t' '{ print $1 }' | sed -e 's/[[:space:]]*$//')" title "$(echo -n "$menu" | awk -F '\t' '{ print $2 }' | sed -e 's/[[:space:]]*$//')" artist "${artist}" | mpc insert
                title="$(echo "$menu" | awk -F '\t' '{ print $2 }')"
                entry="$menu"
            elif [[ $val -eq 12 ]]; then
                mpc clear
                mpc find track "$(echo -n "${menu}" | awk -F '\t' '{ print $1 }' | sed -e 's/[[:space:]]*$//')" title "$(echo -n "$menu" | awk -F '\t' '{ print $2 }' | sed -e 's/[[:space:]]*$//')" artist "${artist}" | mpc add
                mpc play
                entry="$menu"
            elif [[ $val -eq 0 || $val -eq 10 ]]; then
                mpc find track "$(echo -n "${menu}" | awk -F '\t' '{ print $1 }' | sed -e 's/[[:space:]]*$//')" title "$(echo -n "$menu" | awk -F '\t' '{ print $2 }' | sed -e 's/[[:space:]]*$//')" artist "${artist}" | mpc add
                entry="$menu"
            elif [[ $val -eq 1 ]]; then
                exit
            fi
            currentMenu
        elif [[ -z "$menu" ]]; then
            exit
        fi
    fi
}

# rating menu
ratingPrompt () {
    menu=("< Return"
          "---"
          "1 Rate current Album"
          "2 Load Rated Albums"
          "3 Load Random Rated Album"
          "---"
          "4 Rate current Track"
          "5 Load Rated Tracks"
          "6 Load Random Rated Tracks"
          "---"
          "7 Love current Song on LastFM"
          "---"
          "0 Backup/Restore")

    prompt() {
        printf "%s\n" "$@" | dmenu_t -p "Ratings > "
    }

    case "$(prompt "${menu[@]}")" in
        1*) rateAlbum ;;
        2*) loadRatedAlbums ;;
        3*) loadRandomRating ;;
        4*) rateTrack ;;
        5*) loadRatedTracks ;;
        6*) loadRandomRatedTracks ;;
        7*) loveLast ;;
        0*) backupPrompt ;;
        \<*) dplayPrompt ;;
          *) exit
    esac
}

# create rating json files from mpd sticker database and vice versa
backupPrompt () {
    menu=("< Return"
          "---"
          "1 Backup Album Ratings to File"
          "2 Backup Track Ratings to File"
          "---"
          "3 Restore Ratings from File")

    prompt() {
        printf "%s\n" "$@" | dmenu_t -p "Backup/Restore > "
    }

    case "$(prompt "${menu[@]}")" in
        1*) clerk_helper importalbumratings & ;;
        2*) clerk_helper importtrackratings & ;;
        3*) clerk_helper sendstickers & ;;
        \<*) ratingPrompt ;;
          *) exit
    esac
}

# if mpdas is used use mpc to love track on last.fm. otherwise try
# lastfm-mpd-cli
loveLast () {
    if [[ "$scrobbler" == "mpdscribble" ]]; then
        lastfm-mpd-cli love > /dev/null && notify-send "MPD" "Loved $(mpc current -f '%title%') on LastFM" && exit
    elif [[ "$scrobbler" == "mpdas" ]]; then
        mpc sendmessage mpdas love
    fi
}

infoPrompt () {
    menu=("0 Return to Main Menu"
          "---"
          "1 Artist Info"
          "2 Album Info"
          "3 Current Track Lyrics"
          "4 Current Track Tags")

    prompt() {
        printf "%s\n" "$@" | dmenu_t -p "MPD Menu > "
    }

    case "$(prompt "${menu[@]}")" in
#        1*) surfraw yubnub allmusic $(mpc current -f %artist%) ;;
        1*) artistinfo ;;
        2*) surfraw yubnub allmusic $(mpc current -f %album%) && exit;;
#        3*) surfraw yubnub google $(mpc current -f %title%) $(mpc current -f %artist%) lyrics ;;
        3*) lyrics ;;
        4*) currentTag ;;
        \<*) dplayPrompt ;;
          *) exit
    esac
}

currentTag () {
    declare -i seen=0
    while read line
    do
        seen=1
        if [[ "$line" == "0  Return to Main Menu" ]]; then
            dplayPrompt
        elif [[ "$line" == "Show all Tags" ]]; then
            readComments
        elif [[ "$line" == "" ]]; then
            return
        fi
    done < <(echo -e "0  Return to Main Menu\n---\nShow all Tags\n---\n$(mpc current --format "Artist: %artist%\nAlbum: %album%\nDate: %date%\nTrack: %track%\nTitle: %title%")" | dmenu_t -p 'Current Song > ')

    if [[  $seen = 0 ]]
    then
        exit
    fi
}

# read all tags from file. Note that mpd can only read vorbiscomment properly
readComments () {
    declare -i seen=0
    while read line
    do
        seen=1
        if [[ "$line" == "0  Return to Main Menu" ]]; then
            dplayPrompt
        elif [[ "$line" == "Show Tags" ]]; then
            currentTag
        elif [[ "$line" == "" ]]; then
            return
        fi
    done < <(echo -e "0  Return to Main Menu\n---\nShow Tags\n---\n$(mpc current --format '%file%' | clerk_helper readcomments)" | dmenu_t -p 'Current Song > ')

    if [[  $seen = 0 ]]
    then
        exit
    fi
}

# Messy options menu.
dplayOptionsPrompt () {

    # define variables to be used in menu
    export status="$(mpc status)"
    single=$(echo "$status" | tail -1 | awk -F ':' '{ print $5 }' | cut -d ' ' -f 2)
    random=$(echo "$status" | tail -1 | awk -F ':' '{ print $4 }' | cut -d ' ' -f 2)
    consume=$(echo "$status" | tail -1 | awk -F ':' '{ print $6 }' | cut -d ' ' -f 2)
    repeat=$(echo "$status" | tail -1 | awk -F ':' '{ print $3 }' | cut -d ' ' -f 2)

    if [[ -a /tmp/mpd-sima.pid ]]; then
        export sima=on
    else
        export sima=off
    fi

    if [[ "$ssh_lastfm" == "1" ]]; then
        mpds_check="$(ssh $ssh_host -q -t "pgrep $scrobbler_kill")"
        if [ -n "$mpds_check" ];
            then export scrobble=on
        else export scrobble=off
        fi
    else
        if pgrep $scrobbler_kill
            then
            export scrobble=on
        else
            export scrobble=off
        fi
    fi

    export rgain="$(mpc replaygain | cut -d ' ' -f 2)"
    replayGain () {
    if [[ $(mpc replaygain | cut -d ' ' -f 2) == album ]]; then
        mpc replaygain track > /dev/null && export rgain="track"
    elif [[ $(mpc replaygain | cut -d ' ' -f 2) == track ]]; then
        mpc replaygain off > /dev/null && export rgain="off"
    elif [[ $(mpc replaygain | cut -d ' ' -f 2) == off ]]; then
        mpc replaygain album > /dev/null && export rgain="album"
    fi
    }

    menu=("< Return"
          "---"
          "1 Random:                 $(echo $random)"
          "2 Repeat:                 $(echo $repeat)"
          "3 Single Mode:            $(echo $single)"
          "4 Consume Mode:           $(echo $consume)"
          "5 Replaygain:             $(echo $rgain)"
          "6 Scrobbling:             $(echo $scrobble)"
          "7 Similar Artists Mode:   $(echo $sima)"
          "---"
          "8 Set Crossfade          $(mpc crossfade | cut -d ':' -f2)"
          "9 Manage Outputs"
          "0 Number of Random Songs: $(echo $value)")

     prompt() {
         printf "%s\n" "$@" | dmenu_t -auto-select -p "MPD Options > "
     }

     case "$(prompt "${menu[@]}")" in
         1*) mpc random && dplayOptionsPrompt ;;
         2*) mpc repeat && dplayOptionsPrompt ;;
         3*) mpc single && dplayOptionsPrompt ;;
         4*) mpc consume && dplayOptionsPrompt ;;
         5*) replayGain && dplayOptionsPrompt ;;
         6*) lastFM && dplayOptionsPrompt ;;
         7*) mpdSima && dplayOptionsPrompt ;;
         8*) crossfadePrompt ;;
         9*) outputPrompt ;;
         0*) optionRandomPrompt ;;
         \<*) dplayPrompt ;;
           *) exit
    esac
}

# toggle similar artist playback
mpdSima () {
    if [[ -a /tmp/mpd-sima.pid ]]; then
        kill $(cat /tmp/mpd-sima.pid)
        sleep 1
    else
        mpd-sima -d -p /tmp/mpd-sima.pid
        sleep 1
    fi
}

# function to change number of random songs in config file
optionRandomPrompt() {
    number="$(echo -e " " | dmenu_t -p 'Set No. of Songs for random Songs > ')"
    $sed -i "s/value=.*/value="$number"/" $HOME/.config/clerk/config
    export value="$number"
    dplayOptionsPrompt
}

crossfadePrompt () {
    menu=$(echo -e "< Return\n---\n0\n1\n2\n3\n4\n5" | dmenu_t -p "Crossfade")

    if [[ $menu == "< Return" ]]; then
        dplayOptionsPrompt
    else
        mpc crossfade ${menu};
        dplayOptionsPrompt
    fi
}

# read list of available podcasts. Not using mpd playlists, because mpd does
# not support custom names for urls. format of podcast in file is "Name \ URL"
loadRSS () {
    podcast=$(echo -e "< Return\n---\n$(cat $HOME/.config/clerk/podcasts | cut -d '\' -f1)" | dmenu_t -p "Choose Podcast > ")
    if [[ $podcast == "< Return" ]]; then
        dplayQueue
    else
        mpc clear
        mpc load $(grep "$podcast" $HOME/.config/clerk/podcasts | cut -d '\' -f2)
        episode=$(mpc playlist --format "%position% — %artist% — %title%" | dmenu_t -p "Choose Episode > ")
        POS=$(echo "$episode" | awk -F " — " '{ print $1 }')
        mpc play "$POS"
    fi
}

# suspend current playlist. playlist, song id and play-position are saved to
# $HOME/.config/clerk/suspend
suspendPlaylist () {
    playing=$(! mpc status | grep 'playing\|paused')
    time=$(mpc status | $sed '2!d;s;/.:.*;;;s;.* ;;')
    position=$(mpc current --format '%position%')
    if [[ -z "$playing" ]]; then
        notify-send "clerk" "mpd is not playing, no state to suspend"
    else
        mpc rm suspended
        mpc save suspended
        rm -f $HOME/.config/clerk/suspend
        echo "pos="$position"" >> $HOME/.config/clerk/suspend
        echo "time="$time"" >> $HOME/.config/clerk/suspend
        if [[ "$stop_after_suspend" == yes ]]; then
            mpc stop
        else
            echo " "
        fi
            notify-send "Clerk" "Playlist suspended"
            dplayQueue
    fi
}

# read $HOME/.config/clerk/suspend and restore playlist. Then start playing
# from same position that was saved in suspend file
resumePlaylist () {
    http=$(! mpc current --format %file% | grep 'http://')
    source $HOME/.config/clerk/suspend
    mpc clear
    mpc load suspended
    mpc play $pos
    mpc toggle
    sleep 2
    mpc seek "$time"
    mpc toggle
    notify-send "Clerk" "Resumed last-suspended Playlist"
    dplayQueue
}

# Play or delete items from current Queue
dplayQueue () {
    while true; do
        re='^[0-9]+$'
        if [[ "$POS" =~ $re ]]; then
            POS=$(( $POS + 6 ))
        else
            POS=0
        fi
        select="-selected-row $POS"

        help_text=$(echo -e "${delete}: Delete - ${crop}: Crop - ${clear}: Clear - ${rate}: Rate\n${moveup}: Move Up - ${movedown}: Move Down - ${suspend}: Suspend - ${resume}: Resume" | column -s '-' -t)
        line1=$(echo "${help_text}" | head -1)
        line2=$(echo "${help_text}" | tail -1)
HELP="<span color='$help_color'>${line1}
${line2}</span>"

songs () {
    mpc --format '%position%\t\t%track%\t%title%\t(by %artist% on %album% (%date%))' playlist \
        | sed 's,^\([^\t]\{40\}\)[^\t]*,\1…,' \
        | column -o ' ' -s $'\t' -t
}

position () {
    current=$(mpc current -f '%position%')
    echo $(( $current +5 ))
}

TRACKDISPLAY=$(echo -e "< Return\n---\nLoad Playlist\nLoad RSS\nSave Playlist\n---\n$(songs)" | dmenu_t -kb-custom-1 "${delete}" -kb-custom-2 "${rate}" -kb-custom-4 "${crop}" -kb-custom-5 "${clear}" -kb-custom-6 "${moveup}" -kb-custom-7 "${movedown}" -kb-custom-8 "${suspend}" -kb-custom-9 "${resume}" -dmenu $(echo "${select}") -u $(position) -mesg "${HELP}" -p "Current Queue > ")

        tempval=$?
        val=$tempval

        POS=$(echo "${TRACKDISPLAY}" | awk '{ print $1 }')

        if [[ $val -eq 10 ]]; then
            mpc del $POS;
            POS=$(( $POS - 1));
            dplayQueue

        elif [[ $val -eq 1 ]]; then
            exit

        elif [[ $val -eq 13 ]]; then
            mpc play $POS;
            mpc crop

        elif [[ $val -eq 16 ]]; then
            mpc mv $POS $(echo $(( $POS + 1 )))
            POS=$POS;

        elif [[ $val -eq 15 ]]; then
            mpc mv $POS $(echo $(( $POS - 1 )))
            POS=$(( $POS - 2));

        elif [[ $val -eq 17 ]]; then
            suspendPlaylist

        elif [[ $val -eq 18 ]]; then
            resumePlaylist

        elif [[ $val -eq 12 ]]; then
            dplayQueueSave

        elif [[ $val -eq 14 ]]; then
            if [[ $TRACKDISPLAY == *""* ]]; then
                mpc clear
            fi

        elif [[ $val -eq 0 ]]; then
            if [[ $TRACKDISPLAY == "< Return" ]]; then
                dplayPrompt
            elif [[ $TRACKDISPLAY == "Load RSS" ]]; then
                loadRSS
            elif [[ $TRACKDISPLAY == "Load Playlist" ]]; then
                dplayQueueLoad;
            elif [[ $TRACKDISPLAY == "Save Playlist" ]]; then
                dplayQueueSave;
            else
                mpc play $POS;
            fi

        elif [[ $val -eq 11 ]]; then

            filename=$(mpc playlist --format '%position%\t%file%' | grep "^${POS}" | awk -F '\t' '{ print $2 }') 
            info=$(mpc --format '%artist%\t%album%\t%date%\t%track%\t%title%' search filename "${filename}")
            echo "${info}"

            ARTIST=$(echo "${info}" \
                | awk -F '\t' '{ print $1 }')
            ALBUM=$(echo "${info}" \
                | awk -F '\t' '{ print $2 }')
            DATE=$(echo "${info}" \
                | awk -F '\t' '{ print $3 }')
            TRACK=$(echo "${info}" \
                | awk -F '\t' '{ print $4 }')
            TITLE=$(echo "${info}" \
                | awk -F '\t' '{ print $5 }')
            rateartist="${ARTIST}" ratealbum="${ALBUM}" ratetrack="${TRACK}" ratetitle="${TITLE}" rateTrack

        elif [[ $TRACKDISPLAY == "< Return" ]]; then
            dplayQueue
        fi
    done
}

# show all mpd playlists and load them to queue
dplayQueueLoad () {
    playlist=$(echo -e "< Return\n---\n$(mpc lsplaylists)" | dmenu_t -p "Load Playlist > ")
    if [[ "$playlist" == "< Return" ]]; then
        dplayQueue
    else
        mpc clear
        mpc load "$playlist" && dplayQueue
    fi
}

# save current playlist to playlist file.
dplayQueueSave () {
    while read playlists
    do
        if [[ "$playlists" == "< Return" ]]; then
            dplayQueue
        elif [[ "$playlists" == "Save new Playlist" ]]; then
            playlist=$(echo "" | dmenu_t -p "Type Name for Playlist > ")
            if [[ "$playlist" == "" ]]; then
                dplayQueueSave
            else
                mpc save "$playlist"
                dplayQueue
            fi
        else
            playlist=$(echo -e "0  Return to Playlist Menu\n---\nYes\nNo" | dmenu_t -p "Overwrite Playlist? > ")
            if [[ "$playlist" == "Yes" ]]; then
                mpc rm "$playlists"
                mpc save "$playlists"
            elif [[ "$playlist" == "No" ]]; then
                playlist=$(echo "" | dmenu_t -p "Type Name for Playlist > ")
                if [[ "$playlist" == "" ]]; then
                    dplayQueue
                else
                    mpc save "$playlist"
                    dplayQueue
                fi
            fi
        fi
    done < <(echo -e "< Return\n---\nSave new Playlist\n---\n$(mpc lsplaylists)" | dmenu_t -p "Choose Playlist > ")
    exit
}

# enable/disable outputs
outputPrompt () {
    menu="$(echo -e "0  Return to Options Menu\n---\n$(mpc outputs)" \
        | dmenu_t -p "Outputs > ")";

    if [[ "$menu" == "0  Return to Options Menu" ]]
        then dplayOptionsPrompt;
        elif [[ "$menu" == "" ]]; then
            exit
    else
        mpc toggleoutput $(echo "$menu" \
            | awk '{print $2}');

        notify-send "MPD" "$(echo "$menu" \
            | $sed -e 's/enabled$/disabled/;ta;s/disabled$/enabled/;:a;')";

        outputPrompt
    fi
}

# rate any album
rateAlbum () {
    rating="$(seq 10 | dmenu_t -p "Select Album Rating: > ")"

    if [[ $rating == "" ]]; then
        exit
    else
        # check if rateartist was defined, if it wasn't use currently playing
        # track for rating, otherwise use what was delivered in the rate*
        # variables.
        if [[ -z "$rateartist" ]]; then
            artist=$(mpc current -f '%artist%')
            album=$(mpc current -f '%album%')
            date=$(mpc current -f '%date%')
            if [[ -n $(mpc find track "1" albumartist "${artist}" album "${album}" date "${date}") ]]; then
                track="1"
            else
                track="01"
            fi
            disc=$(mpc current -f '%disc%')
            export disc=${disc}
            export track=${track}
            clerk_helper ratealbum "${artist}" "${album}" "${date}" "${rating}"
            notify-send "clerk" "rated ${artist} - ${album} with ${rating}"
        else
            export disc=${disc}
            export track=${track}
            clerk_helper ratealbum "${rateartist}" "${ratealbum}" "${ratedate}" "${rating}"
            notify-send "clerk" "rated ${rateartist} - ${ratealbum} with ${rating}"
        fi
    fi
}

rateTrack () {
    rating="$(echo -e "< Return\n---\n$(seq 10)" | dmenu_t -p "Select Track Rating: > ")"

    if [[ $rating == "" ]]; then
        exit
    elif [[ $rating == "< Return" ]]; then
        dplayQueue
    else
        if [[ -z "$rateartist" ]]; then
            export rating=${rating}
            rateartist=$(mpc current -f '%artist%')
            ratetitle=$(mpc current -f '%title%')
            ratetrack=$(mpc current -f '%track%')
            ratealbum=$(mpc current -f '%album%')

            clerk_helper ratetrack "${rateartist}" "${ratealbum}" "${ratetrack}" "${ratetitle}" "${rating}"
            notify-send "clerk" "rated $(mpc current) with $(echo ${rating})"
        else
            clerk_helper ratetrack "${rateartist}" "${ratealbum}" "${ratetrack}" "${ratetitle}" "${rating}"
            notify-send "clerk" "rated ${rateartist} - ${ratetitle} with $(echo ${rating})"
        fi
    fi
}

# function to instantly rate a track without a submenu. rating is defined on
# commandline
instantRateTrack () {
     rateartist=$(mpc current -f '%artist%')
     ratetitle=$(mpc current -f '%title%')
     ratetrack=$(mpc current -f '%track%')
     ratealbum=$(mpc current -f '%album%')
     export rating=$1
     clerk_helper ratetrack "${rateartist}" "${ratealbum}" "${ratetrack}" "${ratetitle}" "${rating}"
     notify-send "clerk" "rated ${rateartist} - ${ratetitle} with $(echo ${rating})"
}

# load rated albums with minimum rating of xx
loadRatedAlbums () {
    rating="$(seq 10 | dmenu_t -p "Minimum Rating > ")"

    if [[ $rating == "" ]]; then
        exit
    else
        albums="$(while read -a line; do
            dirname "${line[*]}";
        done <<< "$(mpc sticker "" find albumrating \
            | grep -E "albumrating=$rating")" \
            | $sed 's/\/\CD.*//g' \
            | sort \
            | uniq \
            | dmenu_t -p "Choose Album > ")"

        if [[ $albums == "" ]]; then
            exit
        else
            mpc clear;
            mpc add "$albums";
            mpc play

        fi
    fi
}


loadRatedTracks () {
    rating="$(seq 10 | dmenu_t -p "Rating > ")"
    if [ rating = "" ]; then
        exit
    else
        cd $HOME/.config/clerk
        mpc clear
        songs="$(mpc sticker "" find rating | awk -F 'rating=' '{ print $2 }')"
        echo "$songs" | mpc add
        mpc play
    fi
}

loadRandomRatedTracks () {
    number="$(echo " " | dmenu_t -p "Number of Songs > " | xargs echo)"
    rating="$(seq 10 | dmenu_t -p "Minimum Rating > ")"
    if [ rating = "" ]; then
        exit
    else
        cd $HOME/.config/clerk
        mpc clear
        songs="$(mpc sticker "" find rating \
            | grep -E "rating=$rating|rating=$(echo $(( $rating + 1 )))|rating=$(echo $(( $rating + 2 )))|rating=$(echo $(( $rating + 3 )))|rating=$(echo $(( $rating + 4 )))" \
            | awk -F ':' '{ print $1 }')"

        echo "$songs" \
            | $shuf -n $number \
            | mpc add

        mpc play
        rm -f /tmp/clerk_tracklist
    fi
}

loadRandomRating () {
    rating="$(seq 10 | dmenu_t -p "Minimum Rating > ")"
    if [ rating = "" ]; then
            exit
    else
        album="$(while read -a line; do
            dirname "${line[*]}";
        done <<< "$(mpc sticker "" find albumrating \
            | grep -E "albumrating=$rating|albumrating=$(echo $(( $rating+1 )))|albumrating=$(echo $(( $rating+2 )))|albumrating=$(echo $(( $rating+3 )))|albumrating=$(echo $(( $rating+4 )))|albumrating=$(echo $(( $rating+5 )))|albumrating=$(echo $(( $rating+6 )))")" \
            | $sed 's/\/\CD.*//g' \
            | $shuf -n1)"

        mpc clear;
        mpc add "$album";
        mpc play
    fi
}

# load random album. Make sure to make each sub item random. this way each
# artist has equal chances of being played, no matter how many albums it has.
playRandomAlbum () {
    mpc clear > /dev/null
    artist="$(mpc list "albumartist" | $shuf -n 1)"
    album="$(mpc list album "albumartist" "$artist" | $shuf -n 1)"
    mpc findadd album "$album" "albumartist" "$artist";
    mpc play > /dev/null
}

# same for tracks, no artist should be preferred because it has more tracks.
playRandomTracks () {
    mpc clear > /dev/null
    artist="$(mpc list "$random_artist" | $shuf -n 1)"
    album="$(mpc list album "$random_artist" "$artist" | $shuf -n 1)"
    title="$(mpc list title album "$album" "$random_artist" "$artist" | $shuf -n 1)"
    mpc findadd album "$album" "$random_artist" "$artist" title "$title";
    mpc play > /dev/null

    n=0; while (( n++ < $value -1 )); do
        artist="$(mpc list "$random_artist" | $shuf -n 1)"
        album="$(mpc list album "$random_artist" "$artist" | $shuf -n 1)"
        title="$(mpc list title album "$album" "$random_artist" "$artist" | $shuf -n 1)"
        mpc findadd album "$album" "$random_artist" "$artist" title "$title"
    done
    mpc play > /dev/null
    exit
}

addLastMod() {
help_text=$(echo -e "${add}: Add - ${insert}: Insert - ${replace}: Replace (Default)\n${rate}: Rate - ${addplay}: Add + Play - ${insertplay}: Insert + Play" | column -s '-' -t)
line1=$(echo "${help_text}" | head -1)
line2=$(echo "${help_text}" | tail -1)
HELP="<span color='$help_color'>${line1}
${line2}</span>"

#HELP="<span color='$help_color'>${add}: Add, ${insert}: Insert, ${replace}: Replace (Default), ${rate}: Rate
#${addplay}: Add &amp; Play, ${insertplay}: Insert &amp; Play</span>"

TRACK_TEMP=$((echo -e "0  Return to Browse Menu\n---"; cat $HOME/.config/clerk/latest.cache) \
    | dmenu_t -custom-kb-1 "${add}" -custom-kb-2 "${insert}" -custom-kb-3 "${replace}" -custom-kb-8 "${rate}" -custom-kb-4 "${addplay}" -custom-kb-5 "${insertplay}" -dmenu -select "$entry" -filter "$filter" -format "f¬s" -mesg "${HELP}" -p "Choose Album > ")

    val=$?

    TRACK="${TRACK_TEMP#*¬}"
    unset filter
    export filter="${TRACK_TEMP%¬*}"


    if [[ "$TRACK" == "0  Return to Browse Menu" ]]; then
        browseLibPrompt
    elif [[ -z "$TRACK" ]]; then
        exit
    elif [[ "$TRACK" == "${add}: Add, ${insert}: Insert, ${replace}: Replace (Default)" ]]; then
        addLastMod
    else
        artist=$(echo -en "$TRACK" \
            | awk -F '\t' '{ print $1 }' \
            | sed -e 's/[[:space:]]*$//')
        group2=$(echo -en "$TRACK" \
            | awk -F '\t' '{ print $2 }' \
            | sed -e 's/[[:space:]]*$//')
        album=$(echo "$group2" \
            | awk -F " — " '{print $2}')
        date=$(echo "$group2" \
            | awk -F " — " '{print $1}' \
            | awk '{print substr($0, 2, length($0) - 2)}')

        echo -e "${TRACK}\nartist: ${artist}\nalbum: ${album}\ndate: ${date}"

        if [[ $val -eq 11 ]]; then
            mpc search date "$date" album "$album" albumartist "$artist" | mpc insert
            entry="$TRACK"

        elif [[ $val -eq 0 || $val -eq 12 ]]; then
            echo "return code is 13"
            mpc clear;
            mpc searchadd date "$date" album "$album" albumartist "$artist";
            mpc play
            entry="$TRACK"
        elif [[ $val -eq 10 ]]; then
            mpc searchadd date "$date" album "$album" albumartist "$artist";

        elif [[ $val -eq 13 ]]; then
            mpc findadd date "$date" album "$album" albumartist "$artist"
            mpc searchplay "${album}"

        elif [[ $val -eq 17 ]]; then
            if [[ -n $(mpc find -f '%disc%' albumartist "${artist}" album "${album}" date "${date}") ]]; then
                disc=$(mpc find -f '%disc%' albumartist "${artist}" album "${album}" date "${date}" | head -1)
            else
                disc=""
            fi
            if [[ -n $(mpc find track "1" albumartist "${artist}" album "${album}" date "${date}") ]]; then
                track="1"
            else
                track="01"
            fi
                disc=${disc} track=${track} rateartist="${artist}" ratealbum="${album}" ratedate="${date}" rateAlbum
                entry="$TRACK"

        elif [[ $val -eq 14 ]]; then
            mpc clear;
            mpc findadd date "$date" album "$album" albumartist "$artist";
            mpc searchplay "${album}"
           entry="$TRACK"
        elif [[ $val -eq 1 ]]; then
            exit
        fi
        addLastMod
    fi
}

AddAlbumTags() {

help_text=$(echo -e "${add}: Add - ${insert}: Insert - ${replace}: Replace (Default)\n${rate}: Rate - ${addplay}: Add + Play - ${insertplay}: Insert + Play" | column -s '-' -t)

line1=$(echo "${help_text}" | head -1)
line2=$(echo "${help_text}" | tail -1)
HELP="<span color='$help_color'>${line1}
${line2}</span>"


TRACK_TEMP=$((echo -e "0  Return to Browse Menu\n---"; cat $HOME/.config/clerk/albums.cache) \
    | dmenu_t -custom-kb-1 "${add}" -custom-kb-2 "${insert}" -custom-kb-3 "${replace}" -custom-kb-8 "${rate}" -custom-kb-4 "${addplay}" -custom-kb-5 "${insertplay}" -dmenu -filter "$filter" -select "$entry" -format "f¬s" -mesg "${HELP}" -p "Choose Album > ")

    val=$?

    TRACK="${TRACK_TEMP#*¬}"
    unset filter
    export filter="${TRACK_TEMP%¬*}"

    if [[ "$TRACK" == "0  Return to Browse Menu" ]]; then
        browseLibPrompt
    elif [[ -z "$TRACK" ]]; then
        exit
    elif [[ "$TRACK" == "${add}: Add, ${insert}: Insert, ${replace}: Replace (Default), ${rate}: Rate" ]]; then
        unset line
        AddAlbumTags
    else
        artist=$(echo -en "$TRACK" \
            | awk -F '\t' '{print $1}' \
            | sed -e 's/[[:space:]]*$//')
        group2=$(echo -en "$TRACK" \
            | awk -F '\t' '{print $2}' \
            | sed -e 's/[[:space:]]*$//')
        album=$(echo "$group2" \
            | awk -F " — " '{print $2}')
        date=$(echo "$group2" \
            | awk -F " — " '{print $1}' \
            | awk '{print substr($0, 2, length($0) - 2)}')
        echo -e "artist: ${artist}\ndate: ${date}\nalbum: ${album}"

        if [[ $val -eq 11 ]]; then
            mpc find date "$date" album "$album" albumartist "$artist" | mpc insert
            entry="$TRACK"

        elif [[ $val -eq 0 || $val -eq 12 ]]; then
            mpc clear;
            mpc findadd date "$date" album "$album" albumartist "$artist";
            mpc play
            entry="$TRACK"

        elif [[ $val -eq 17 ]]; then
            if [[ -n $(mpc find -f '%disc%' albumartist "${artist}" album "${album}" date "${date}") ]]; then
                disc=$(mpc find -f '%disc%' albumartist "${artist}" album "${album}" date "${date}" | head -1)
            else
                disc=""
            fi
            if [[ -n $(mpc find track "1" albumartist "${artist}" album "${album}" date "${date}") ]]; then
                track="1"
            else
                track="01"
            fi
                disc=${disc} track=${track} rateartist="${artist}" ratealbum="${album}" ratedate="${date}" rateAlbum
                entry="$TRACK"

        elif [[ $val -eq 10 ]]; then
            mpc searchadd date "$date" album "$album" albumartist "$artist";
            entry="$TRACK"

        elif [[ $val -eq 14 ]]; then
            mpc findadd date "$date" album "$album" albumartist "$artist";
            mpc searchplay "${album}"

        elif [[ $val -eq 15 ]]; then
            mpc clear;
            mpc findadd date "$date" album "$album" albumartist "$artist";
            mpc searchplay "${album}"

        elif [[ $val -eq 1 ]]; then
            exit
        fi
        AddAlbumTags
    fi
}

AddTrackTags() {
    help_text=$(echo -e "${add}: Add (Default) - ${insert}: Insert - ${replace}: Replace \
        \n${rate}: Rate - ${addplay}: Add + Play - ${insertplay}: Insert + Play" \
        | column -s '-' -t)
    line1=$(echo "${help_text}" | head -1)
    line2=$(echo "${help_text}" | tail -1)
HELP="<span color='$help_color'>${line1}
${line2}</span>"


TRACK_TEMP=$((echo -e "0  Return to Browse Menu\n---"; cat $HOME/.config/clerk/tracks.cache) \
    | dmenu_t -custom-kb-1 "${add}" -custom-kb-2 "${insert}" -custom-kb-3 "${replace}" -custom-kb-8 "${rate}" -custom-kb-4 "${addplay}" -custom-kb-5 "${insertplay}" -dmenu -filter "$filter" -select "$entry" -format "f¬s" -mesg "${HELP}" -p "Choose Track > ")

    val=$?
    TRACK="${TRACK_TEMP#*¬}"
    unset filter
    export filter="$(echo ${TRACK_TEMP} | awk -F '¬' '{ print $1 }')"

    if [[ "$TRACK" == "0  Return to Browse Menu" ]]
        then browseLibPrompt
    elif [[ -z "$TRACK" ]]; then
        exit
    elif [[ "$TRACK" == "${add}: Add | ${insert}: Insert | ${replace}: Replace | ${rate}: Rate" ]]; then
        AddTrackTags
    else
        filename=$(echo "$TRACK" | awk -F "\t" '{print $3}')

        echo -e "artist: ${artist}\nalbum: ${album}\ntitle: ${title}\ntrack: ${track}\ndate: ${date}\ngroup1: ${group1}\ngroup2: ${group2}"
        if [[ $val -eq 11 ]]; then
            mpc insert "${filename}"
            entry="$TRACK"

        elif [[ $val -eq 12 ]]; then
            mpc clear;
            mpc add "${filename}";
            mpc play
            entry="$TRACK"

        elif [[ $val -eq 0 || $val -eq 10 ]]; then
            mpc add "${filename}"
            entry="$TRACK"

        elif [[ $val -eq 13 ]]; then
            mpc add "${filename}"
            mpc searchplay "${title}"
            entry="$TRACK"

        elif [[ $val -eq 14 ]]; then
            mpc insert "${filename}"
            mpc searchplay "${title}"
            entry="$TRACK"

        elif [[ $val -eq 17 ]]; then
            info=$(mpc search --format '%artist%\t%album%\t%date%\t%track%\t%title%' filename "${filename}")
            artist="$(echo "$info" \
                | awk -F '\t' '{ print $1 }')"
            album="$(echo "$info" \
                | awk -F '\t' '{ print $2 }')"
            date="$(echo "$info" \
                | awk -F '\t' '{ print $3 }')"
            track="$(echo "$info" \
                | awk -F '\t' '{ print $4 }')"
            title="$(echo "$info" \
                | awk -F '\t' '{ print $5 }')"

            echo "${artist} ${album} ${date} ${track} ${title}"
            rateartist="${artist}" ratealbum="${album}" ratetrack="${track}" ratetitle="${title}" rateTrack
            entry="$TRACK"
        elif [[ $val -eq 1 ]]; then
            exit
        fi
        AddTrackTags
    fi
}

browseLibPrompt() {
    menu=("< Return"
          "---"
          "1 Choose Albums"
          "2 Choose Track"
          "3 Browse latest additions"
          "---"
          "4 Play Random Album"
          "5 Play Random Tracks" 
          "---"
          "6 Update Album/Track Cache")

    prompt() {
        printf "%s\n" "$@" | dmenu_t -auto-select -p "Library Menu > "
    }

    case "$(prompt "${menu[@]}")" in
        1*) AddAlbumTags ;;
        2*) AddTrackTags ;;
        6*) updateCache && browseLibPrompt ;;
        \<*) dplayPrompt ;;
        3*) addLastMod ;;
        4*) playRandomAlbum ;;
        5*) playRandomTracks ;;
        *) exit
    esac
}

saveAlbumToPlaylist() {
    declare -i seen=0
    while read TRACK
    do
        seen=1
        if [[ "$TRACK" == "0  Return to Main Menu" ]]
            then dplayPrompt
        else
        artist=$(echo -en "$TRACK" \
            | awk -F '\t' '{ print $1 }' \
            | sed -e 's/[[:space:]]*$//')
        group2=$(echo -en "$TRACK" \
            | awk -F '\t' '{ print $2 }' \
            | sed -e 's/[[:space:]]*$//')
        album=$(echo "$group2" \
            | awk -F " — " '{print $2}')
        date=$(echo "$group2" \
            | awk -F " — " '{print $1}' \
            | awk '{print substr($0, 2, length($0) - 2)}')

            mpc search date "$date" album "$album" albumartist "$artist" | clerk_helper saveto
        fi
    done < <(echo -e "0  Return to Main Menu\n---\n$(cat $HOME/.config/clerk/albums.cache)" | dmenu_t -dmenu -p "Save Album to Playlist > ")

    if [[  $seen = 0 ]]
    then
        exit
    fi
}


saveLatestToPlaylist() {
    declare -i seen=0
    while read TRACK
    do
        seen=1
        if [[ "$TRACK" == "0  Return to Main Menu" ]]
            then dplayPrompt
        else
        artist=$(echo -en "$TRACK" \
            | awk -F '\t' '{ print $1 }' \
            | sed -e 's/[[:space:]]*$//')
        group2=$(echo -en "$TRACK" \
            | awk -F '\t' '{ print $2 }' \
            | sed -e 's/[[:space:]]*$//')
        album=$(echo "$group2" \
            | awk -F " — " '{print $2}')
        date=$(echo "$group2" \
            | awk -F " — " '{print $1}' \
            | awk '{print substr($0, 2, length($0) - 2)}')

            mpc search date "$date" album "$album" albumartist "$artist" | clerk_helper saveto
        fi
    done < <(echo -e "0  Return to Main Menu\n---\n$(cat $HOME/.config/clerk/latest.cache)" | dmenu_t -dmenu -p "Save Album to Playlist > ")

    if [[  $seen = 0 ]]
    then
        exit
    fi
}

saveTrackToPlaylist() {
    TRACK_TEMP=$((echo -e "0  Return to Main Menu\n---"; cat $HOME/.config/clerk/tracks.cache) | dmenu_t -filter "$filter" -select "$entry" -format "f¬s" -dmenu -p "Save Track to Playlist > ")

    TRACK="${TRACK_TEMP#*¬}"
    unset filter
    export filter="$(echo ${TRACK_TEMP} | awk -F '¬' '{ print $1 }')"

    
    if [[ "$TRACK" == "0  Return to Main Menu" ]]
        then dplayPrompt
    elif [[ -z "$TRACK" ]]; then
        exit
    else
        filename=$(echo "$TRACK" | awk -F "\t" '{print $3}')
        info=$(mpc search --format '%artist%\t%album%\t%date%\t%track%\t%title%' filename "${filename}")
        artist="$(echo "$info" \
            | awk -F '\t' '{ print $1 }')"
        album="$(echo "$info" \
            | awk -F '\t' '{ print $2 }')"
        date="$(echo "$info" \
            | awk -F '\t' '{ print $3 }')"
        track="$(echo "$info" \
            | awk -F '\t' '{ print $4 }')"
        title="$(echo "$info" \
            | awk -F '\t' '{ print $5 }')"

        mpc search track "$track" album "$album" title "$title" albumartist "$artist" | clerk_helper saveto
        entry="$TRACK"
        saveTrackToPlaylist
    fi
}


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


function dmenu_t () {
    rofi -dmenu -z $(echo "$rofiopts") "$@"
}

while :; do
    case $1 in
        --add)
            if [[ ! $2 ]]; then
                echo "Missing argument for --add"
                echo "Possible values: track, album, latest"
            elif [[ $2 == track ]]; then
                AddTrackTags
            elif [[ $2 == album ]]; then
                AddAlbumTags
            elif [[ $2 == latest ]]; then
                addLastMod
            fi
            break
            ;;
        --rate)
            if [[ ! $2 ]]; then
                echo "Missing arguemtn for --rate"
                echo "Possible values: track, album, instant"
                echo "Launching rating menu"
                ratingPrompt
            elif [[ $2 == track ]]; then
                rateTrack
            elif [[ $2 == album ]]; then
                rateAlbum
            elif [[ $2 == instant ]]; then
                if [[ ! $3 ]]; then
                    echo "Missing argument for --rate instant"
                    echo "Please define rating between 1-10"
                else
                    instantRateTrack $3
                fi
            elif [[ $2 == load ]]; then
                mpc clear && mpc sticker "" find rating | grep -E "rating=6|rating=7|rating=8|rating=9|rating=10" | awk -F ':' '{print $1}' | $shuf -n $value | mpc add && mpc play
            fi
            break
            ;;
        --random)
            if [[ ! $2 ]]; then
                echo "Missing argument for --random"
                echo "Possible values: track, album"
            elif [[ $2 == track ]]; then
                playRandomTracks
            elif [[ $2 == album ]]; then
                playRandomAlbum
            fi
            break
            ;;
        --current)
            currentTag
            break
            ;;
        --browse)
            if [[ ! $2 ]]; then
                echo "Missing argument for --browse"
                echo "Possible values: artist, date, genre, folder, system"
            elif [[ $2 == artist ]]; then
                browseArtist
            elif [[ $2 == albumartist ]]; then
                browseAlbumArtist
            elif [[ $2 == date ]]; then
                browseDate
            elif [[ $2 == genre ]]; then
                browseGenre
            elif [[ $2 == system ]]; then
                browseFilesystem
            elif [[ $2 == folder ]]; then
                browseFolders
            fi
            break
            ;;
        --backup)
            if [[ ! $2 ]]; then
                echo "Missing argument for --backup"
                echo "Possible values: track, album"
            elif [[ $2 == track ]]; then
                backupTrackRatings
            elif [[ $2 == album ]]; then
                backupAlbumRatings
            fi
            break
            ;;
        --restore)
            if [[ ! $2 ]]; then
                echo "Missing argument for --restore"
                echo "Possible values: track, album"
            elif [[ $2 == track ]]; then
                restoreTrackRatings
            elif [[ $2 == album ]]; then
                restoreAlbumRatings
            fi
            break
            ;;
        --update)
            updateCache
            break
            ;;
        --queue)
            if [[ ! $2 ]]; then
                echo "Missing argument for --queue"
                echo "Possible values: show, delete, suspend, resume"
            elif [[ $2 == show ]]; then
                dplayQueue
            elif [[ $2 == delete ]]; then
                dplayQueueDelete
            elif [[ $2 == suspend ]]; then
                suspendPlaylist
            elif [[ $2 == resume ]]; then
                resumePlaylist
            fi
            break
            ;;
        --rss)
            loadRSS
            break
            ;;
        --playlist)
            if [[ $2 == savealbum ]]; then
                saveAlbumToPlaylist
            elif [[ $2 == savelast ]]; then
                saveLatestToPlaylist
            elif [[ $2 == savetrack ]]; then
                saveTrackToPlaylist
            fi
            break
            ;;
        --lastfm)
            if [[ ! $2 ]]; then
                echo "Missing argument for --lastfm"
                echo "Possible values: toggle, check, love"
            elif [[ $2 == toggle ]]; then
                lastFM
            elif [[ $2 == check ]]; then
                lastFMCheck
            elif [[ $2 == love ]]; then
                if [[ scrobbler=mpdscribble ]]; then
                    lastfm-mpd-cli love > /dev/null && notify-send "MPD" "Loved $(mpc current -f '%title%') on LastFM"
                elif [[ scrobbler=mpdas ]]; then
                    mpc sendmessage mpdas love
                fi
            fi
            break
            ;;
        --help|-h)
            echo "---"
            echo "clerk: rofi/dmenu based MPD Interface"
            echo "Copyright © 2013 - 2015 Rasmus Steinke"
            echo "---"
            echo "General"
            echo "  --help, -h                                      this help message"
            echo "  --current                                       show currently playing track"
            echo "  --update                                        update album/track caches"
            echo ""
            echo "Library"
            echo "  --add <track, album, latest>                    adds selection at the end of the queue"
            echo "  --random <track, album>                         play random track or album"
            echo ""
            echo "Playlist"
            echo "  --queue <show, suspend, resume>                 manage current queue"
            echo "  --playlist <savealbum, savelast, savetrack>     save selection to playlist \"clerk\""
            echo "  --rss                                           load podcast"
            echo "    (podcast should be placed in ~/.config/clerk/podcasts"
            echo "     with format NAME \ URL)"
            echo ""
            echo "Ratings"
            echo "  --rate <menu, track, album, load, instant ##>  rate albums or tracks"
            echo "                                                 "load" adds random rated tracks to queue"
            echo ""
            echo "  --backup <track, album>                        backup ratings from mpd sticker database to json file."
            echo "  --restore <track, album>                       restore ratings back to mpd sticker database"
            echo ""
            echo "LastFM"
            echo "  --lastfm <toggle, check, love>                 toggle or check last.fm status, love current track"
            break
            ;;
        *)
            dplayPrompt ;;
    esac
    shift
done