From 89dd9a405009d74716fd82e4a0ea56d94273fd90 Mon Sep 17 00:00:00 2001
From: "Adam T. Carpenter" <atc@53hor.net>
Date: Fri, 22 May 2020 17:12:30 -0400
Subject: Finally finished basic youtube URL handler

---
 yt-player.sh | 183 +++++++++++++++++++++++++++++++++++++++++++----------------
 1 file changed, 134 insertions(+), 49 deletions(-)

diff --git a/yt-player.sh b/yt-player.sh
index a5f21b8..b0f4f51 100755
--- a/yt-player.sh
+++ b/yt-player.sh
@@ -1,69 +1,154 @@
 #!/bin/sh
-
 ## Do things with a YouTube URL.
+## Config:
+TERMINAL=alacritty
+DOWNLOAD_DIR=~/videos/youtube
+PAGER="rofi -location 2 -width 41 -e"
+
+
+## Exit codes
+NO_YOUTUBE_URL=3
+NO_ACTION=4
+
+
+## Get action for a single URL
+get_action_single() {
+	action=$(dmenu -p "yt-player" << EOF
+1. watch in player
+2. listen in player
+3. download video
+4. download audio
+5. print info
+EOF
+	)
+	echo "$action" | cut -d'.' -f1
+}
+
 
-## Config
-terminal=alacritty
+## Get action for multiple URLs
+get_action_multi() {
+	# TODO: implement
+}
 
 
-## Notify the title and description of the URL
-notify_info() {
+## Check if url is a youtube url
+check_if_youtube() {
 	url="$1"
-	info=$(youtube-dl --get-title --get-description --get-duration "$url")
+	[ -z $url ] && return 1;
+
+	count=$(echo "$1" | \
+		grep -c -E "^(https?\:\/\/)?(www\.)?(youtube\.com|youtu\.?be)\/.+$"
+	)
+
+	[ "$count" -eq 1 ] && return 0;
+	return 1;
+}
+
+
+## Prompts user for URL
+prompt_url() {
+	dmenu -p "YouTube URL"
+}
+
+
+## Grab url from clipboard/primary selection, else get via prompt
+grab_url() {
+	local url
+
+	if url=$(xclip -o -selection clipboard) && check_if_youtube $url; then
+	elif url=$(xclip -o) && check_if_youtube $url; then
+	elif url=$(prompt_url) && check_if_youtube $url; then
+	else
+		exit $NO_YOUTUBE_URL
+	fi
+
+	echo $url
+}
+
+
+## Get title, description, and duration of URL
+get_info() {
+	url="$1"
+	info=$(youtube-dl --get-title --get-description --get-duration $url)
 	title=$(echo "$info" | head -n 1)
 	description=$(echo "$info" | sed '1d;$d')
 	duration=$(echo "$info" | tail -n 1)
-	notify-send "$title : $duration" "$description"
+	printf "(%s) %s\n\n%s" "$duration" "$title" "$description"
 }
 
 
-## Main
-notify_info "$1" && exit
-option="$1"
-case $option in
-	'-c')
-		url="$(xclip -o -selection clipboard)"
-		[ -z "$url" ] && exit $NO_URL_IN_CLIPBOARD
-		;;
-	'-p')
-		url="$(xclip -o)"
-		[ -z "$url" ] && exit $NO_URL_IN_PRIMARY
-		;;
-	'-u')
-		url="$2"
-		[ -z "$url" ] && exit $NO_URL_IN_SECOND_ARG
-		;;
-	'-a')
-		$terminal -e mpv --no-video "$url"
-		;;
-	'-da')
-		youtube-dl -x --audio-format flac --audio-quality 0 "$url"
-		;;
-	'-v')
-		mpv --no-terminal "$url"
-		;;
-	'-dv')
-		youtube-dl --add-metadata "$url"
-		;;
-	*)
-		exit
-		;;
-esac
+## Download video
+download_video() {
+	url="$1"
+	info=$(get_info $url)
+	notify-send "Downloading video..." "$info" &
+	youtube-dl \
+		-q \
+		--add-metadata \
+		-o "$DOWNLOAD_DIR/%(title)s_%(id)s.%(ext)s" \
+		$url && notify-send "Video download done." "$info" &
+}
+
+
+## Download audio
+download_audio() {
+	url="$1"
+	info=$(get_info $url)
+	notify-send "Downloading audio..." "$info"
+	youtube-dl \
+		-q \
+		--add-metadata \
+		-o "$DOWNLOAD_DIR/%(title)s_%(id)s.%(ext)s" \
+		-x \
+		--audio-format flac \
+		--audio-quality 0 \
+		$url && notify-send "Audio download done." "$info" &
+}
+
+
+## Play video
+play_video() {
+	url="$1"
+	notify-send "Playing video..." "$(get_info $url)" &
+	mpv --no-terminal $url &
+}
+
+
+## Play audio
+play_audio() {
+	url="$1"
+	notify-send "Playing audio..." "$(get_info $url)" &
+	$TERMINAL -e mpv --no-video $url &
+}
 
 
-case $choice in
-	"Watch")
-		mpv "$url" --no-terminal &
+## Print info with specified pager
+print_info() {
+	url="$1"
+	info=$(get_info $url)
+	$PAGER "$info"
+}
+
+
+## Main
+mkdir -p "$DOWNLOAD_DIR"
+url=$(grab_url)
+case "$(get_action_single)" in
+	5)
+		print_info $url
+		;;
+	1)
+		play_video $url
 		;;
-	"Listen")
-		mpv "$url" --no-terminal --no-video &
+	2)
+		play_audio $url
 		;;
-	"Download Video")
-		youtube-dl "$url" --add-metadata
+	3)
+		download_video $url
 		;;
-	"Download Audio")
-		youtube-dl "$url" -x --audio-format flac --audio-quality 0
+	4)
+		download_audio $url
 		;;
 	*)
-		exit
+		exit $NO_ACTION
 esac
-- 
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