Radio player

gistfile1.sh

#!/bin/bash
#Name: Radio player
#Author: Asen Bozhilov
#Version: 1.0.0
#License: MIT

#Available radio streams
RADIO_NAMES=(
"Дарик Радио"
"Радио 1"
"Радио 1 Рок"
"БГ Радио"
"Радио Вероника"
"Радио Веселина"
"Радио Витоша"
"Радио Energy"
"Радио N-Joy"
"Радио Z-Rock"
"Радио City"
"Радио Star FM"
"Радио FM+"
"Радио Fresh!"
"Тангра Мега Рок"
"I Hate Mondays Radio"
"Радио Реакция"
"Pro FM Rock"
"Радио Melody"
"Радио Романтика"
"Радио Татковина"
"Радио ФСБ"
"Pro FM Rhythm and Blues"
"Pro FM Black"
"Black Side"
"Pro FM Chillout"
"Pro FM Love"
"Pro FM Oldies"
"Pro FM Gold"
)

RADIO_STREAM=(
"http://mp3.orbitel.bg:8000/darik.m3u"
"http://80.72.68.217/radio1.ogg.m3u"
"http://80.72.68.217/radio1rock.ogg.m3u"
"http://80.72.68.217/bgradio.ogg.m3u"
"http://80.72.68.217/veronika.ogg.m3u"
"http://193.108.24.18:8000/veselina.m3u"
"http://193.108.24.18:8000/vitosha.m3u"
"http://80.72.68.217/nrj.ogg.m3u"
"http://pulsar.atlantis.bg:8000/njoy.ogg.m3u"
"http://pulsar.atlantis.bg:8000/zrock.ogg.m3u"
"http://62.204.145.218:8000/city64.m3u"
"http://pulsar.atlantis.bg:8000/inforadio.ogg.m3u"
"http://pulsar.atlantis.bg:8000/fmplus.ogg.m3u"
"http://193.108.24.21:8000/fresh.m3u"
"http://stream-bg-01.radiotangra.com:8000/Tangra-high.m3u"
"http://77.70.53.35:8000/listen.pls"
"http://stream.reakcia.net/live.m3u"
"http://live.profm.bg:8000/rock.mp3.m3u"
"http://193.108.24.21:8000/melody.ogg.m3u"
"http://89.190.212.173:8000/listen.pls"
"http://67.205.111.204:8000/bg.m3u"
"http://91.121.91.172:8557/listen.pls"
"http://live.profm.bg:8000/blues.mp3.m3u"
"http://live.profm.bg:8000/black.mp3.m3u"
"http://88.213.199.204:8070/listen.pls"
"http://live.profm.bg:8000/chillout.mp3.m3u"
"http://live.profm.bg:8000/love.mp3.m3u"
"http://live.profm.bg:8000/oldies.mp3.m3u"
"http://live.profm.bg:8000/gold.mp3.m3u"
)

GENRE_LABELS=(
"News" 
"Rock & Metal"
"Pop"
"Retro"
"Pop Folk"
"Sport"
"BG music"
"Chill Out"
"Black & Rhythm and Blues"
)

#Map radios in genres
NEWS=(0 12)
ROCK=(2 9 14 15 16 17)
POP=(6 7 8 10 11 13)
RETRO=(1 18 27 28)
POPFOLK=(4 5 19)
SPORT=()
BGMUSIC=(3 20 21)
CHILLOUT=(25 26)
BLACK=(22 23 24)

#Error codes
OUT_OF_RANGE=1
INVALID_ARGUMENT=2

function getGenre {
    if [ "$1" -eq "0" ]
    then 
        genre=(${NEWS[@]})
    elif [ "$1" -eq "1" ]
    then
        genre=(${ROCK[@]})
    elif [ "$1" -eq "2" ]
    then
        genre=(${POP[@]})
    elif [ "$1" -eq "3" ]
    then
        genre=(${RETRO[@]})
    elif [ "$1" -eq "4" ]
    then
        genre=(${POPFOLK[@]})
    elif [ "$1" -eq "5" ]
    then
        genre=(${SPORT[@]})
    elif [ "$1" -eq "6" ]
    then
        genre=(${BGMUSIC[@]})
    elif [ "$1" -eq "7" ]
    then
        genre=(${CHILLOUT[@]})
    elif [ "$1" -eq "8" ]
    then
        genre=(${BLACK[@]})        
    else
        echo "Unknown genre"                                                     
    fi
}

#Print help
if [ -z "$1" -o "$1" = "-h" -o "$1" = "--help" ]
then
echo "Usage: ./radio [OPTION]... [RADIO INDEX]...
Radio script is intended to play an online radio streaming. It requires mplayer.

-l List of available radios
-p Play radio from list
-g Set genre from the list. The list of genres 
   can be seen with -l option. The list of radios
   in specific genre is available by -l after you have 
   set the genre. 
   
   Examples:
   ./radio -g -l - list the genres 
   ./radio -g 0 -l - list the radios in specific genre
   ./radio -g 0 -p 0 - play the first radio in choisen genre
   
-h, --help Prints this help";

#Print the list of radios
elif [ "$1" = "-l" ]
then
    i=0
    while [ "$i" -lt "${#RADIO_NAMES[*]}" ]
    do
        echo $i "-" ${RADIO_NAMES[$i]}
        ((i++))
    done
#Play choisen radio
elif [ "$1" = "-p" ]
then
    if [ -n "${RADIO_STREAM[$2]}" ]
    then
        mplayer -playlist ${RADIO_STREAM[$2]}
        exit $?
    else
        echo "Out of range. Please see the list of available radios."
        exit $OUT_OF_RANGE
    fi
#By Genres
elif [ "$1" = "-g" ]
then
    #List the genres
    if [ "$2" = "-l" ]
    then
        i=0
        while [ "$i" -lt "${#GENRE_LABELS[*]}" ]
        do
            echo $i "-" ${GENRE_LABELS[$i]}
            ((i++))
        done
    elif [[ $2 =~ ^[0-9]+$ ]]
    then
        if [ "$2" -ge "0" -a "$2" -lt "${#GENRE_LABELS[*]}" ]
        then
            #get radios by genre and store them in `genre` array
            getGenre $2     
            if [ -z "$3" -o "$3" = "-l" ]
            then
                echo "================================"                
                echo ${GENRE_LABELS[$2]}           
                echo "================================"                   
                i=0
                while [ "$i" -lt "${#genre[*]}" ]
                do
                    echo $i "-" ${RADIO_NAMES[${genre[$i]}]}
                    ((i++))
                done                
            elif [ "$3" = "-p" ]
            then
                if [ -n "${genre[$4]}" ] 
                then
                    mplayer -playlist ${RADIO_STREAM[${genre[$4]}]}
                    exit $?
                else
                    echo "Out of range. Please see the list of available radios in that genre."
                    exit $OUT_OF_RANGE                    
                fi  
            else
                echo "Use ./radio -h for help"
                exit $INVALID_ARGUMENT
            fi
        else 
            echo "Out of range. Please see the list of available genres."
            exit $OUT_OF_RANGE
        fi  
    else
        echo "Use ./radio -h for help"
        exit $INVALID_ARGUMENT
    fi
else
    echo "Use ./radio -h for help"
    exit $INVALID_ARGUMENT
fi
exit 0