#!/bin/bash
#
# get the song being played by lsof utility "list open files"
# look for similar file names of lyrics txt file names in a local directory
# print the lyrics of the best matching lyrics file name
# another version would would be to fetch the lyrics from some website like azlyrics
# curl or wget with some string manipulation would be easy to use
#
cd "/media/$USER/My_Data/Audio/My music/Lyrics/"
files=$(ls -p -1R | grep -v /)
str0=$(lsof -w -c mpv -c clementine -c smplayer -c vlc |grep -iE ".wma$|.mp3$|.mp4$|.mkv$|.flv$|.webm$"| awk -F"/" '{print $NF}')
#str=${str%-*}
if (( ${#str0} < 1 ))
       then
            echo "not playing anything !"
            exit
fi
str=$(echo "$str0" | sed 's/[^a-zA-Z0-9]/ /g')
printf "\033[01;36mplaying    : \033[01;00m$str0\n"
aaa=$(echo "$1"|awk 'END{print index($0,"p")}')
if (($aaa > 0))
    then
        exit
fi
IFS=', ' read -r -a array <<< $str
patterns=$(
    for element in ${array[@]}
    do
     if (( ${#element} > 2 ))
       then
            echo -n "$element|"
     fi
    done
)
patterns=${patterns::-1}
f=$(echo "$files" | awk '{ print NF,$0 }' IGNORECASE=1 FS="$patterns" | sort -nr )
f=$(echo "$f" |head -10 )
nbrOFmatches=$( echo "$f" | awk ' NR==1 { print $1 }')
bmatch=$(echo "$f"|awk 'NR==1 {for(i=2;i<=NF;i++) printf $i" "}')
printf "\033[01;36mbest match : \033[01;00m$bmatch\n"
#echo "number of occurences : $nbrOFmatches"
nn=$(echo "$f"|awk 'NR==1 {a=$1} NR==2 {b=$1} END {if( a ~ b )print "1"}')
if [[  "$nn" == 1 ]]
 then
   echo "========================================="
   echo "$f"|cat -n
   read -p " : " answer
   if [[ -z "$answer" ]] ;
    then
        exit
   fi
  else
      answer=1
fi
ff=$(echo -e "$f"|sed -n "$answer"p |awk '{for (i=2; i<NF; i++) printf $i " "; print $NF}')
fff=$(find -name "$ff" )
rr=$(echo "$ff" ; cat "$fff")
#printf "\033[01;36m"
aaa=$(echo "$1"|awk 'END{print index($0,"s")}')
if (($aaa > 0))
    then
        exit
fi
echo "$rr"|less