#! /usr/bin/sh

today=$(date +'%Y-%m-%d')
now=$(date +'%H:%M:%S')

audio_state=$(amixer get Master | tail -n 1)
audio_volume=$(echo "$audio_state" | grep -o '[0-9]*%' | tr -d %)
audio_mute=$(echo "$audio_state" | grep -o '\[o.*\]' | tr -d \[\])
audio_symbol="❔"
if [ "${audio_mute}" = "off" ]; then
    audio_symbol="🔇"
elif [ "${audio_mute}" = "on" ]; then
    if [ "${audio_volume}" = "0" ]; then
        audio_symbol="🔈"
    elif [ "${audio_volume}" -lt 50 ]; then
        audio_symbol="🔉"
    else
        audio_symbol="🔊"
    fi
fi

battery=$(cat /sys/class/power_supply/BAT0/capacity)
battery_state=$(cat /sys/class/power_supply/BAT0/status)
case "${battery_state}" in
    "Charging"|"Full"|"Not charging")
        battery_symbol="🔌"
        ;;
    "Discharging")
        if [ "${battery}" -lt 20 ]; then
            battery_symbol="🪫"
        else
            battery_symbol="🔋"
        fi
        ;;
    *)
        battery_symbol="❔"
        ;;
esac

weather_file="/tmp/weather-report.txt"
if [ -f ${weather_file} ]; then
    weather=$(cat ${weather_file})
else
    weather=""
fi

echo ${weather} 📆${today} ⏲${now} ${audio_symbol}${audio_volume}% ${battery_symbol}${battery}%