#!/usr/bin/env bash
#      __      __     _____
#     /  \    /  \   /  __ \
#    / /\ \  / /\ \  | |__| |    Manuel Prinz (MP)
#   / /  \ \/ /  \ \ |  ___/
#  / /    \__/    \ \| |
# /_/              \_\_|
#
# description:	  Script webradio for Polybar
# last change:      29.07.2023

## variables ##
msgID="11111"
mpvsocket="/tmp/mpv"
path_logo="/home/$USER/Nextcloud/webradio"
file_title="/tmp/webradio_title"

## function displaytime: displays the time in human readable format
displaytime() {
  local T=$1
  #local D=$((T/60/60/24))
  local H=$((T/60/60%24))
  local M=$((T/60%60))
  local S=$((T%60))
  #(( $D > 0 )) && printf '%d:' $D
  (( $H > 0 )) && printf '%02d:' $H
  (( $M > 0 )) && printf '%02d:' $M
  #(( $D > 0 || $H > 0 || $M > 0 ))
  printf '%02d\n' $S
}

# is mpv running?
if test -e "$mpvsocket"; then
    # read actual title
    act_title=`echo '{ "command": ["get_property", "media-title"] }' | socat - /tmp/mpv | awk -F\" '{print $4}'`

    # read playtime and convert to human readable format
    playtime=`echo '{ "command": ["get_property", "playback-time"] }' | socat - /tmp/mpv | awk -F: '{print $2}' | awk -F, '{print $1}' | awk -F. '{print $1}'`
    playtime_act=$(displaytime $playtime)

    # read station name and logo
    radiostation=`cat /tmp/radiostation | awk '{print $1}'`
    radiostation_logo=`cat /tmp/radiostation | awk '{print $2}'`

    # title file exist?
    if test -e "$file_title"; then
        title_check=`cat /tmp/webradio_title`
        # actual title equals NOT the name in the title file?
        if [[ "$title_check" != "$act_title" ]]; then
            echo $act_title > $file_title
            dunstify -t 5000 -a "Webradio: $radiostation" -r $msgID -I "$path_logo/$radiostation_logo" "$act_title"
        fi
    else
        # if title file not exists
        echo $act_title > $file_title
        dunstify -t 5000 -a "Webradio: $radiostation" -r $msgID -I "$path_logo/$radiostation_logo" "$act_title"
    fi

    # echo play symbol and playtime to polybar
    echo " $playtime_act"
else
    # Webradio is not running
    echo ""
fi