jptgdp: Set up option conflicts, simplify rofi options

jptgdp

@@ -68,7 +68,9 @@ files are cached in your Music folder under "JPTGDP Songs" for offline use.
 
   -c			Clears the cache (which can become quite large)
   -d			Download only; don't queue anything up
-  -p			Play the playlist after it is enqueued
+			Conflicts with -p
+  -p			Play the playlist after it is enqueued.
+			Conflicts with -d
   -s			Shuffle the playlist
 
   -r <directory>	Start up rofi, if installed, and present a listing of
@@ -82,8 +84,8 @@ EOF
 }
 rofimenu() {
 	validatedeps rofi || error "$_return is not currently installed" 1
-	[ -d "$_optrofidir" ] || error "Could not open directory \"$_optrofidir\"" 2
-	files=$(find "$_optrofidir" -type f -name \*.gdp)
+	[ -d "$_optrofi" ] || error "Could not open directory \"$_optrofidir\"" 2
+	files=$(find "$_optrofi" -type f -name \*.gdp)
 	if [ -n "$files" ]; then
 		# Strip file suffixes for a cleaner menu
 		playlists=""
@@ -98,7 +100,7 @@ rofimenu() {
 	fi
 	choice="$(rofi -dmenu -p "$_name" <<< "$playlists")"
 	[ -z "$choice" ] && error "User aborted at selection" 62
-	playlist "$_optrofidir"/"$choice".gdp
+	playlist "$_optrofi"/"$choice".gdp
 	return 0
 }
 playlist() {
@@ -165,8 +167,7 @@ main() {
 				_optautoplay=1
 				;;
 			r)
-				_optrofi=1
-				_optrofidir="$OPTARG"
+				_optrofi="$OPTARG"
 				;;
 			s)
 				_optshuffle=1
@@ -183,6 +184,7 @@ main() {
 				;;
 		esac
 	done
+	[ -n "$_optdownloadonly" ] && [ -n "$_optautoplay" ] && error "Flags -d and -p conflict" 2
 	if [ -n "$_optrofi" ]; then rofimenu; exit $?; fi
 	if [ -n "$_optfile" ]; then playlist "$_optfile"; exit $?; fi
 	error "Nothing to do" 0