#!/bin/bash

FIFO="/tmp/bar.fifo"

FORMAT_LEFT="%(music)s %(services)s %(diskspace)s"
FORMAT_RIGHT="%(wifi)s %(battery)s %(clock)s "

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)
icon_updates=$(icon 060)

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

music() {
    info=$(mpc current -f '[%title%]')
    icon=$icon_music
    if [ -n "$info" ]; then
        if [ -n "$(mpc status | grep paused)" ]; then
            icon=$icon_music_paused
        fi
        echo -n "%{A:I "music 20":}$icon $info%{A}"
    else
        echo -n "$icon (-)"
    fi
}

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() {
    info=$(./cmdcache.sh 10 "df -h /" | awk '{if($6 == "/") { print $5 }}')
    echo -n "%{A:I "filesystem 30":}$icon_diskspace $info%{A}"
}

wifi() {
    info=$(wicd-cli --wireless --status | perl -e 'foreach $line (<>) { if($line =~ /Connected to (.+) at .+IP: ([0-9.]+)/ ) { print $1; break; } elsif($line =~ /Connecting to wireless network \"(.+)\"/) { print $1 . " - connecting"; break; } }')
    if [ -z "$info" ]; then
        info="(-)"
    fi
    echo -n "%{A:I "network 1061":}$icon_wifi $info%{A}"
}

battery() {
    level=$(./cmdcache.sh 5 "acpi -b" | awk -F, 'BEGIN { s=0 } { s+=$2 } END { print int(s/NR) }')
    charging=$(acpi -a | grep on-line)

    icon=$icon_battery
    if [ -n "$charging" ]; then
        icon=$icon_battery_charging
    fi
    info="%{F$color_battery_good}$level%%{F-}"
    if [ "$level" -lt 20 ]; then
        info="%{F$color_battery_low}$level%%{F-}"
    fi

    echo -n "%{A:I 'battery 1061':}$icon $info%{A}"
}

clock() {
    info=$(date +"%H:%M")
    echo -n "%{A:I "clock 1061":}$icon_clock $info%{A}"
}

updates() {
    updates=$(./cmdcache.sh 20 ./pkginfo.sh)
    echo -n "$icon_updates $updates"
}

run_handler() {
    while read type param; do
        case $type in
            I)
                ./barinfo.sh kill
                ./barinfo.sh $param &
                ;;
        esac
    done
}

run_worker() {
    SLEEP=$1
    TAG=$2
    COMMAND=$3
    ( while true; do
        echo -n "$TAG "
        $COMMAND
        echo
        sleep $SLEEP
    done > $FIFO ) &
}

cd $(dirname $0)

[ -e "$FIFO" ] && rm -f $FIFO
mkfifo $FIFO


run_worker 1 clock clock
run_worker 5 battery battery

( while true; do cat $FIFO; done ) | python ./barformatter.py "$FORMAT_LEFT" "$FORMAT_RIGHT" # | lemonbar -g 1366x15 -f "Stlarch:size=6:style=regular" -f "Terminus:size=8" -B "#88000000" | run_handler