#!/bin/bash

# VK scrobbler.
# by snoopcatt.
# token: https://oauth.vk.com/authorize?client_id=3723065&scope=audio,status,offline&redirect_uri=http://oauth.vk.com/blank.html&display=wap&response_type=token

VKAPI_TOKEN='' 
SERVICE_NAME="$(qdbus org.mpris.MediaPlayer2* | head -n1)"
TIMEOUT=5s
IFS=$'\n'

[ -n $SERVICE_NAME ] && echo "[$(date +%k:%M:%S]) Connected to $SERVICE_NAME" || exit 1 

trap shutdown INT TERM 

get_song_info() {
	wget --no-check-certificate "https://api.vk.com/method/audio.search.xml?q=$1&sort=2&lyrics=1&auto_complete=1&count=1&access_token=$VKAPI_TOKEN" -qO - 
}
set_broadcast() {
	wget --no-check-certificate "https://api.vk.com/method/audio.setBroadcast.xml?audio=${1}&access_token=$VKAPI_TOKEN" -qO /dev/null
}

shutdown() {
	echo -e "\n[$(date +%k:%M:%S]) Exitting..."
	#set_broadcast
	rm /tmp/vkscrobble* 2>/dev/null
	exit 
}

first=1
while :; do
	[ $first -eq 1 ] && first=0 || sleep $TIMEOUT # do-while workaround
	if qdbus $SERVICE_NAME /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.PlaybackStatus|grep -q Playing; then 
		metadata=($(qdbus $SERVICE_NAME /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.Metadata|grep -E ':artist|:title'|sed 's/xesam\:artist\:\ //; s/xesam\:title\:\ //')) 
		[ "${metadata[0]} - ${metadata[1]}" == "$(cat /tmp/vkscrobble_last_id 2>/dev/null)" ] && continue
		vk_song_id=($(get_song_info "${metadata[0]} - ${metadata[1]}"|grep -E 'owner_id|aid'|grep -oE '[-0-9]{1,15}'))
		#set_broadcast ${vk_song_id[1]}_${vk_song_id[0]}
		echo "[$(date +%k:%M:%S]) Broadcast was set to: ${metadata[0]} - ${metadata[1]} (${vk_song_id[1]}_${vk_song_id[0]})"
		echo -n "${metadata[0]} - ${metadata[1]}" > /tmp/vkscrobble_last_id
	else
		[ "null" == "$(cat /tmp/vkscrobble_last_id 2>/dev/null)" ] && continue
		echo "[$(date +%k:%M:%S]) Broadcast removed."
		#set_broadcast 
		echo null > /tmp/vkscrobble_last_id
	fi
done