Rework sxmo_youtube.sh script to use ytdl rather then codemadness youtube-cli

Also add in ability to select number of results and fork when opening entries
so that the user can select multiple entries.

scripts/appscripts/sxmo_youtube.sh

@@ -1,45 +1,112 @@
 #!/usr/bin/env sh
 HISTORY_FILE="$XDG_CONFIG_HOME"/sxmo/youtubehistory.tsv
+NRESULTS=5
+AUDIOONLY=0
 
-menu() {
-	pidof "$KEYBOARD" || "$KEYBOARD" &
-	HISTORY="$(tac "$HISTORY_FILE" | nl | sort -uk 2 | sort -k 1 | cut -f 2)"
+jsonfieldextract() {
+  FIELDNAME="$1"
+  TYPE="$2"
+  # TODO: be less lazy and use a JSON parser, need to add json2tsv as dep..
+  if [ "$TYPE" = "number" ]; then
+    GREPED="$(grep -oE '"'"$FIELDNAME"'"[ ]*:[ ]*[0-9+]+[ ]*,')"
+  else
+    GREPED="$(grep -oE '"'"$FIELDNAME"'"[ ]*:[ ]*"[^"]+"[ ]*,')"
+  fi
+  echo "$GREPED" | cut -d: -f2- | tr -d '",' | sed -E 's#^[ ]+##' | head -n1
+}
+
+youtubesearch() {
+  QUERY="$1"
+  NRESULTS="$2"
+  RESULTS="$(youtube-dl -j ytsearch"$NRESULTS":"${QUERY}")"
+  i=1
+  while [ $i -lt "$(echo "$NRESULTS" + 1 | bc)" ]; do
+    TITLE="$(echo "$RESULTS" | awk NR==$i | jsonfieldextract fulltitle string)"
+    URL="$(echo "$RESULTS" | awk NR==$i | jsonfieldextract webpage_url string)"
+    DURATION="$(echo "$RESULTS" | awk NR==$i | jsonfieldextract duration number)s"
+    echo "$DURATION: $TITLE - $URL"
+    i="$(echo $i + 1 | bc)"
+  done
+}
 
-	SEARCHTERMS="$(
-		printf %b "Close Menu\n$HISTORY" |
-		dmenu -p "Yt Search" -c -l 10 -fn Terminus-20
+searchmenu() {
+	HISTORY="$(
+		tac "$HISTORY_FILE" | nl | sort -uk 2 | sort -k 1 | cut -f 2 |
+		sed "s#^#History: #g"
 	)"
-	pkill "$KEYBOARD"
-	[ "Close Menu" = "$SEARCHTERMS" ] && exit 0
-	printf %b "$SEARCHTERMS\n" >> "$HISTORY_FILE"
-
-	IDIOTRESULTS="$(youtube-cli "$SEARCHTERMS")"
-	FMTRESULTS="$(
-		echo "$IDIOTRESULTS" |
-		grep -Ev '^(Channelid|Atom feed|Channel title|Published|Viewcount|Userid):' |
-		sed -E 's/^(URL|Duration):\s+/\t/g' |
-		tr -d '\n' |
-		sed 's/===/\n/g' |
-		gawk -F'\t' '{ print $3 " " $1 " " $2}'
+
+	while true; do
+		ENTRY="$(
+			printf %b "
+				Close Menu
+				Show 1 Result              $([ "$NRESULTS" = "1" ] && echo "✓")
+				Show 5 Results             $([ "$NRESULTS" = "5" ] && echo "✓")
+				Show 10 Results            $([ "$NRESULTS" = "10" ] && echo "✓")
+				Show 20 Results            $([ "$NRESULTS" = "20" ] && echo "✓")
+				$HISTORY
+			" |
+				xargs -0 echo |
+				sed '/^[[:space:]]*$/d' |
+				awk '{$1=$1};1' |
+				sxmo_dmenu_with_kb.sh -p "Yt Search" -c -l 10 -fn Terminus-20
 		)"
 
+		if [ "Close Menu" = "$ENTRY" ]; then
+			exit 0
+		elif echo "$ENTRY" | grep -E "Show [0-9]+ Results*"; then
+			NRESULTS="$(echo "$ENTRY" | grep -oE "[0-9]+")"
+		else
+			ENTRY="$(echo "$ENTRY" | sed 's#^History: ##')"
+			printf %b "$ENTRY\n" >> "$HISTORY_FILE"
+			youtubesearch "$ENTRY" "$NRESULTS" | resultsmenu
+		fi
+	done
+}
+
+resultsmenu() {
+	RESULTS="$(cat)"
+
+	while true; do
 		PICKED="$(
-		printf %b "Close Menu\n$FMTRESULTS" |
-		dmenu -c -l 10 -fn Terminus-20
+			printf %b "
+				Close Menu\n
+				Change Search\n
+				$RESULTS
+			" |
+				xargs -0 echo |
+				sed '/^[[:space:]]*$/d' |
+				awk '{$1=$1};1' |
+				dmenu -c -l 10 -p "Yt Results" -fn Terminus-20
 		)"
-	[ "Close Menu" = "$PICKED" ] && exit 0
 
+		if [ "Change Search" = "$PICKED" ]; then
+			return
+		elif [ "Close Menu" = "$PICKED" ]; then
+			exit 0
+		elif echo $PICKED | grep "Audio & Video or"; then
+			if [ "$AUDIOONLY" = 0 ]; then
+				AUDIOONLY=1
+			else
+				AUDIOONLY=0
+			fi
+		elif [ "$AUDIOONLY" = 1 ]; then
+			URL="$(echo "$PICKED" | awk -F " " '{print $NF}')"
+			st -e mpv -ao=alsa -v --no-video "$URL" &
+		else
 			URL="$(echo "$PICKED" | awk -F " " '{print $NF}')"
+			st -e mpv -ao=alsa -v --ytdl-format='[height<420]' "$URL" &
+		fi
+	done
 }
 
 video() {
-	menu
-	st -e mpv -ao=alsa -v --ytdl-format='[height<420]' "$URL"
+	AUDIOONLY=0
+	searchmenu
 }
 
 audio() {
-	menu
-	st -e mpv -ao=alsa -v --no-video "$URL"
+	AUDIOONLY=1
+	searchmenu
 }
 
 $1