#!/bin/bash

icon_color="#A0A57E"
icon() { echo -n "%{F$icon_color}"; printf '%b' "\ue$1"; echo -n "%{F-}"; }

icon_music=$(icon 05c)
icon_music_paused=$(icon 059)
icon_services=$(icon 040)
icon_diskspace=$(icon 0ab)
icon_wifi=$(icon 048)
icon_battery=$(icon 033)
icon_battery_charging=$(icon 042)
icon_clock=$(icon 018)

color_service_running="#A0A57E"
color_service_stopped="#C37561"
color_battery_good="white"
color_battery_low="#C37561"

music() {
    info=$(mpc current -f '[%artist%] - [%title%]')
    icon=$icon_music
    if [ -z "$info" ]; then
        info="(-)"
    elif [ -n "$(mpc status | grep paused)" ]; then
        icon=$icon_music_paused
    fi
    echo -n "$icon $info"
}

serviceinfo() {
    service=$1
    text=$2
    systemctl is-active -q $service
    if [ "$?" -eq 0 ]; then
        echo -n "%{F$color_service_running}$text%{F-}"
    else
        echo -n "%{F$color_service_stopped}$text%{F-}"
    fi
}

services() {
    echo -n "$icon_services $(serviceinfo zomnet z) $(serviceinfo docker d)"
}

diskspace() {
    echo -n "$icon_diskspace "
    df -h | awk '{if($6 == "/") { print $3 " / " $2 }}'
}

wifi() {
    echo -n "$icon_wifi "
    info=$(wicd-cli --wireless --status | perl -e 'foreach $line (<>) { if($line =~ /Connected to (.+) at .+IP: ([0-9.]+)/ ) { print $1 . " - " . $2; break; } elsif($line =~ /Connecting to wireless network \"(.+)\"/) { print $1 . " - connecting"; break; } }')
    if [ -z "$info" ]; then
        info="(-)"
    fi
    echo -n $info
}

battery() {
    level=$(acpi -b | awk -F, 'BEGIN { s=0 } { s+=$2 } END { print int(s/NR) }')
    charging=$(acpi -b | grep Charging)
    if [ -n "$charging" ]; then
        echo -n "$icon_battery_charging "
    else
        echo -n "$icon_battery "
    fi

    if [ "$level" -lt 20 ]; then
        echo -n "%{F$color_battery_low}$level%%{F-}"
    else
        echo -n "%{F$color_battery_good}$level%%{F-}"
    fi
}

clock() {
    echo -n "$icon_clock "
    date +"%a %d.%m (%V) %H:%M"
}

while true; do
    echo "%{l} $(music) $(services) $(diskspace)%{r}$(wifi) $(battery) $(clock) "
    sleep 1
done | lemonbar -g 1366x15 -f "Terminus:size=8","Stlarch:size=6:style=regular" -B "#88000000"