bean_radio_en

#!/bin/bash
# LinuxBean Radio Tuner (Unofficial English Translation)
# Depends on: yad (for GUI), jq (for parsing SHOUTcast output), nkf (for converting SHOUTcast output's charset)
#             xsel (Optional, for copying info to the clipboard), streamripper (Optional, for recording the stream)
# Original code:
# https://bitbucket.org/aztake/triforium/src/79c136729aeba19b9306ae82c9cbd712324c30cf/usr+local+bin/bean_radio?at=master

#====================================================================================================
#  Double-click the list to copy the info
#====================================================================================================

if [ "$1" == "--dclk" ] ; then
	info="[$3] $2"
	echo "${info}" | xsel -i -b &
	exit 0
fi


#====================================================================================================
#  Preparation
#====================================================================================================

BR="
"

# Set cache folder
cachedir="${HOME}/.cache/bean_radio"
if [ ! -d "${cachedir}" ] ; then
	mkdir -p "${cachedir}"
fi

if [ ! -f "${cachedir}/cookie.txt" ] ; then
	cd "${cachedir}"
	rm -f *
	cd - >/dev/null
fi

# Detect the default app for playing the radio station
if [ $(pgrep pcmanfm | wc -l) -gt 0 ] ; then
	desktop="$(cat ${HOME}/.local/share/applications/mimeapps.list | grep -m 1 audio/mpeg | cut -d= -f2 | cut -d\; -f1)"
	
elif which xdg-mime > /dev/null 2>&1 ; then
	desktop="$(xdg-mime query default audio/mpeg)"

else
	desktop=""
fi

if   [ -f "${HOME}/.local/share/applications/${desktop}" ] ; then
	cmd=$(cat "${HOME}/.local/share/applications/${desktop}" | \
		grep "^Exec=" | cut -d= -f2 | sed -e "s|%\S\+||igm" -e "s|^\s*||igm" -e "s|\s*$||igm")
	
elif [ -f "/usr/local/share/applications/${desktop}" ] ; then
	cmd=$(cat "/usr/local/share/applications/${desktop}" | \
		grep "^Exec=" | cut -d= -f2 | sed -e "s|%\S\+||igm" -e "s|^\s*||igm" -e "s|\s*$||igm")
	
elif [ -f "/usr/share/applications/${desktop}" ] ; then
	cmd=$(cat "/usr/share/applications/${desktop}" | \
		grep "^Exec=" | cut -d= -f2 | sed -e "s|%\S\+||igm" -e "s|^\s*||igm" -e "s|\s*$||igm")

elif which gogglesmm > /dev/null 2>&1 ; then
	cmd=gogglesmm
	
elif which radiotray > /dev/null 2>&1 ; then
	cmd=radiotray
	
elif which audacious > /dev/null 2>&1 ; then
	cmd=audacious
	
elif which clementine > /dev/null 2>&1 ; then
	cmd=clementine
	
elif which rhythmbox > /dev/null 2>&1 ; then
	cmd=rhythmbox
	
elif which guayadeque > /dev/null 2>&1 ; then
	cmd=guayadeque
	
elif which xnoise > /dev/null 2>&1 ; then
	cmd=xnoise
	
elif which gmusicbrowser > /dev/null 2>&1 ; then
	cmd=gmusicbrowser
	
elif which qmmp > /dev/null 2>&1 ; then
	cmd=qmmp
	
elif which xdg-open > /dev/null 2>&1 ; then
	cmd=xdg-open
fi



#====================================================================================================
#  Subroutines for showing the progress meter
#====================================================================================================

# Get the Genre List
_genres()
{
	echo 0
	
	local i
	local genres
	local genres_name
	local genres_id
	local name
	local id
	local linecount
	
	rm -f "${cachedir}/genres.txt"
	touch "${cachedir}/genres.txt"
	
	wget -q \
		--no-check-certificate \
		--keep-session-cookies \
		--save-cookies="${cachedir}/cookie.txt" \
		http://www.shoutcast.com/Home -O- | \
		grep loadStationsByGenre > "${cachedir}/genres.html"
	
	genres_name=$(cat "${cachedir}/genres.html" | sed \
		-e 's|^\s\+<li><[^>]\+>|    |igm' \
		-e 's|^\s\+<a[^>]\+>||igm' \
		-e 's|^\([^<]\+\).\+|\1|igm')
		
#	genres_id=$(cat "${cachedir}/genres.html" | \
#		grep -o "loadStationsByGenre.[0-9]\+" | \
#		grep -o "[0-9]\+$")
	
	linecount=$(echo "${genres_name}" | wc -l)
	echo $linecount
	
	# Convert the spliter characters to Carriage Return
	_IFS="$IFS";IFS="$BR"
	
	i=1
	while [ $linecount -gt $i ] ; do
		name=$(echo "${genres_name}" | sed -n "${i}p")
		#id=$(echo   "${genres_id}"  | sed -n "${i}p")
		id=$(echo   "${name}" | sed -e 's/^\s\+//igm' -e 's/^\s\+/%20/igm')
		genres="${genres}${BR}${name}${BR}${id}"
		i=$(expr $i + 1)
	done
	echo "${genres}" | tail -n +2 > "${cachedir}/genres.txt"
	
	# Revert the Carriage Return
	IFS="$_IFS"
	
	rm -f "${cachedir}/genres.html"
}

# Get the Station List
_stations()
{
	echo 0
	
	local str
	local act
	local json
	local i
	local linecount
	local parsed
	local stations
	
	if [ "$1" == "--search" ] ; then
		str="station=$(echo $2 | nkf -wMQ | tr = %)"
		act="Search/UpdateAdvancedSearch"
	elif [ "$1" == "--genre" ] ; then
		#str="genreid=${2}"
		str="genrename=${2}"
		act="Home/BrowseByGenre"
	fi
	
	json=$(wget -q \
		--no-check-certificate \
		--keep-session-cookies \
		--save-cookies="${cachedir}/cookie.txt" \
		--post-data "${str}" http://www.shoutcast.com/${act} -O- | \
		sed -e 's|\"ID\":\([0-9]\+\)|\"ID\":\"http://yp.shoutcast.com/sbin/tunein-station.pls\?id=\1\"|igm')
	
	linecount=$(echo "${json}" | jq ".[].ID" | wc -l)
	if [ ${linecount} -gt 0 ] ; then
		linecount=$(expr ${linecount} - 1)
	fi
	
	i=0
	if [ $linecount -gt 50 ] ; then
		linecount=50
	fi
	while [ $linecount -ge $i ] ; do
		parsed=$(echo "${json}" | jq ".[$i].ID, .[$i].Name, .[$i].Genre, .[$i].Listeners, .[$i].Bitrate, .[$i].Format, .[$i].CurrentTrack")
		stations="${stations}${BR}${parsed}"
		if [ $? -gt 0 ] ; then
			break
		fi
		i=$(expr $i + 1)
	done
	echo "${stations}" | tail -n +2 | sed -e 's|^"||igm' -e 's|"$||igm' > "${cachedir}/stations.txt"
	
	# Revert the Carriage Return
	IFS="$_IFS"
	
	rm -f "${cachedir}/search.json"
}


#====================================================================================================
#  Start the main job
#====================================================================================================

while true ; do
	
	keyword=""
	genre=""
	station=""
	
	keyword=$(
		yad \
			--title="linuxBean Radio Tuner" \
			--on-top --center --borders=10 --width=600 \
			--window-icon=radiotray --image=radiotray  \
			--text "  This tool will search the internet radio stations from SHOUTcast.\n  To browse stations from the Genre list, click the OK button without entering the search keyword." \
			--form --field=""
	)
	if [ $? -gt 0 ] ; then
		exit 1
	fi
	keyword=$(echo "${keyword}" | cut -d\| -f1)
	
	if [ "${keyword}" == "" ] ; then
		
		if [ ! -f "${cachedir}/genres.txt" ] || [ $(expr $(date +%s) - $(stat -c %Y "${cachedir}/genres.txt")) -gt 604800 ] ; then
			_genres | \
				yad --title="Connecting..." --on-top --center \
				--window-icon=radiotray --image=radiotray \
				--text "Receiving the Genre list..." --progress --pulsate --auto-close
		fi
		
		genre=$(
			cat "${cachedir}/genres.txt" | \
				yad \
					--title="Genre" \
					--on-top --center --width=200 --height=480 --window-icon=radiotray \
					--text="Please select a genre.\nTo return to the search dialog, click the Cancel button." --list  \
					--column=Genre --column=ID --search-column=1 --hide-column=2 | \
				cut -d\| -f2
		)
		
		if [ "${genre}" == "" ] ; then
			continue
		fi
		
		_stations --genre "${genre}" | \
			yad --title="Connecting..." --on-top --center \
			--window-icon=radiotray --image=radiotray \
			--text "Receiving the radio station list..." --progress --pulsate --auto-close

	else
		_stations --search "${keyword}" | \
			yad --title="Searching..." --on-top --center \
			--window-icon=radiotray --image=radiotray \
			--text "Receiving the radio station list..." --progress --pulsate --auto-close
	fi
	
	while true ; do
		station=$(
			cat "${cachedir}/stations.txt" | \
				yad \
					--title="linuxBean Radio Tuner" \
					--on-top --center --width=600 --height=400 --window-icon=radiotray \
					--text="Please select a radio station you want to play. Click OK to play it. Click Cancel to return to the search dialog.\nIf you double-click the list, the station name and URL will be copied to the clipboard." \
					--list --search-column=2 --hide-column=1 \
					--dclick-action="$0 --dclk %s" \
					--column="URL" --column="Stations" --column="Genre" --column="Listeners:NUM" --column="kbps:NUM" --column="Type" --column="Now Playing"
		)
		if [ $? -gt 0 ] ; then
			break
		fi
		station=$(echo "${station}" | cut -d\| -f1)
		echo "${cmd} \"${station}\""
		
		if [ "${station}" == "" ] ; then
			break
		else
			nohup ${cmd} "${station}" > /dev/null 2>&1 &
		fi
		
		if which streamripper > /dev/null 2>&1 ; then
			yad \
				--title="streamripper" \
				--on-top --center --borders=10 \
				--window-icon=radiotray --image=radiotray  \
				--text " Do you want to record this radio station?\n\n OK: Start the recording and return to the station list\n Cancel: Return to the station list without recording"
		
			if [ $? -gt 0 ] ; then
				continue
			else
				cd "${HOME}" > /dev/null 2>&1
				nohup x-terminal-emulator -e streamripper ${station} > /dev/null 2>&1 &
				cd - > /dev/null 2>&1
				continue
			fi
		fi
	done
done