#!/bin/bash

# To add your own stations, put them in ~/.config/radio.sh.conf
declare -A stations=(
    [NS Hit Radio <EDM>]="https://listen.nshitradio.com/"
    [The Metal Plague <Death Metal>]="http://46.4.40.246:8386/"
    [The True Monster <horror Punk>]="http://procyon.shoutca.st:8428/stream?fbclid=IwAR37SD7AucBHp-woBj7QyoeQPzQkCTW2BBI-CR1Q9W1hIMvIJhV9iQRQYMs"
    [Thunder Rock <Classic Rock>]="http://ice10.securenetsystems.net/KTHU2"
    $( [[ -r "${XDG_CONFIG_HOME:-$HOME/.config}/radio.sh.conf" ]] && source "${XDG_CONFIG_HOME:-$HOME/.config}/radio.sh.conf")
)
if [[ -r "${XDG_CONFIG_HOME:-$HOME/.config}/radio.sh.conf" ]]; then
    while IFS="=" read -r key value; do
        if [[ "$key" =~ ^\[.*\]$ && "$value" =~ ^\".*\"$ ]]; then
            key="${key#[}"
            key="${key%]}"
            value="${value#\"}"
            value="${value%\"}"
            stations["$key"]="$value"
        else
            echo "Error: invalid format in ${XDG_CONFIG_HOME:-$HOME/.config}/radio.sh.conf" >&2
            exit 1
        fi
    done < <(sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//' "${XDG_CONFIG_HOME:-$HOME/.config}/radio.sh.conf")
fi


if ! command -v mpv &> /dev/null ; then
    echo "Please install mpv."
    exit 1
fi

# Handle subprocesses that may not close with the main program.
trap "trap - SIGTERM && kill -- -$$" SIGINT SIGTERM EXIT

# Dialog accessibility
export DIALOGOPTS='--no-lines --visit-items'

for i in "${!stations[@]}" ; do
    menuList+=("${stations[$i]}" "${i}")
done

url="$(dialog --clear \
    --backtitle "Storm radio" \
    --no-tags \
    --extra-button \
    --extra-label "Record and Listen" \
    --ok-label "Listen" \
    --cancel-label "Cast" \
    --help-button \
    --help-label "Exit" \
    --menu "Select a radio station" -1 -1 -1 "${menuList[@]}" --stdout)"
menuCode=$?
if [[ $menuCode -eq 2 ]]; then
    exit 0
fi
export url

if [[ ${menuCode} -eq 1 ]]; then
        trap - SIGINT SIGTERM EXIT
        if ! command -v mkchromecast &> /dev/null ; then
            echo "Please install mkchromecast to use this functionality."
        fi
        mkchromecast --encoder-backend ffmpeg --source-url "$url" --control
        sleep 2
        exit 0
elif [[ ${menuCode} -eq 3 ]]; then
    if ! command -v streamripper &> /dev/null ; then
        echo "Please install streamripper."
        exit 1
    fi
    mkdir -p ~/stream
    streamripper "${url}" --quiet -r -z -d ~/stream &
    echo "Starting stream recording..."
    sleep 3
    mpv --quiet --no-video --volume="${1:-100}" "http://localhost:8000"
else
    mpv --quiet --no-video --volume="${1:-100}" "${url}"
fi

exit 0