From c0e09c4dbffd5001cf79cb1be0559ef1c97a6aef Mon Sep 17 00:00:00 2001
From: Storm Dragon <stormdragon2976@gmail.com>
Date: Sat, 3 Sep 2016 18:28:43 -0400
Subject: [PATCH] Lyrics for the bot.

---
 modules/sing/sing.sh | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100755 modules/sing/sing.sh

diff --git a/modules/sing/sing.sh b/modules/sing/sing.sh
new file mode 100755
index 0000000..3a44139
--- /dev/null
+++ b/modules/sing/sing.sh
@@ -0,0 +1,42 @@
+[ -f functions.sh ] && source functions.sh
+
+userNick="$1"
+shift
+chan="$1"
+shift
+#get the lyric text into a variable
+trackName="$@"
+curl="$(command -v curl)"
+trackName="$(echo "$trackName" | sed -e "s/ /_/g" -e 's/([[:print:]]*)//g' -e "s/['\/\.]//g" -e 's/&/and/g')"
+artist="$(echo "${trackName,,}" | cut -d "-" -f 1 | sed -e 's/_$//' -e 's/^the_\(.*\)/\1_the/')"
+song="$(echo "${trackName,,}" | cut -d "-" -f 2 | sed 's/^_//')"
+lyricsUrl="http://www.lyricsmania.com/${song}_lyrics_${artist}.html"
+lyricText="$($curl -s "$lyricsUrl" | grep -A 100 '<strong>Lyrics to ' | grep -B 100 '</div> <!-- lyrics-body -->' | tail -n +2 | head -n -2 | sed -e 's/<[^>]*>//g' -e 's/<br \/>/\n/g' -e 's/<\/div>.*//')"
+#get the number of lines in the text 
+lyricMaxLines=$(echo "$lyricText" | wc -l)
+#keep track of 10 line chunks of text for your starting point.
+x=10
+lyricStartLine=$x
+while [[ $x -le $(($lyricMaxLines - 10)) ]] ; do
+x=$((x + 10))
+lyricStartLine="$lyricStartLine $x"
+done
+#pass the starting options through shuf so we can get our starting line
+lyricStartLine=$(shuf -n 1 -e $lyricStartLine)
+#we only need to do the head, tail manipulation if there's more than one line.
+if [ $lyricMaxLines -gt 10 ] ; then
+    lyricText="$(echo "$lyricText" | tail -n $lyricStartLine | head -n 10)"
+fi
+#Make sure all white space is not an enter or vertical space of any kind.
+lyricText="$(echo "$lyricText" | tr "[:space:]" " " | tr -s "[:space:]")"
+#sometimes lyrics are just one long line with everything. If this happens, cut it down so it's not too long for the 512 character channel limit.
+if [ ${#lyricText} -gt 412 ] ; then
+    lyricText="${lyricText:0:409}... "
+    lyricText="$(echo "$lyricText" | rev | cut -d " " -f 1- | rev)"
+fi
+#Display the lyric text
+if [ ${#lyricText} -gt 15 ] ; then
+msg "$chan" "${lyricText}"
+else
+msg "$chan" "Sorry $userNick: I couldn't find any lyrics for $@"
+fi