#!/bin/bash

FGCOLOR='f5f4f0'
BGCOLOR='555555'
BG_ALPHA='51'
max_len=50

Clock() {
        #TIME=$(date "+%S seconds past %H%M")
        TIME=$(date "+%H%M+%S")
        echo -e -n "\uf017 ${TIME}"
}

Cal() {
    DATE=$(date "+%a, %d %B %Y")
    echo -e -n " ${DATE}"
}

ActiveWindow() {
        len=$(echo -n "$(xdotool getwindowfocus getwindowname)" | wc -m)
        name=$(xdotool getwindowfocus getwindowname)
        if [ "$len" -gt "$max_len" ];then
                echo -n "$(echo $name | cut -c 1-$max_len)..."
        else
                echo -n "$(xdotool getwindowfocus getwindowname)"
        fi
}

Sound() {
        echo -n $(volume)
}

CPUTemp() {
    temp=$($(echo cat "/sys/class/thermal/$(ls /sys/class/thermal/ | grep thermal_zone | tail -1)/temp") | sed s/000//)
        echo -e "\uf769 ${temp}C"
}

Buttons() {
        echo -e "%{A:xdotool windowkill $(xdotool getactivewindow):}\uf00d%{A} "\
        "%{F#$FGCOLOR}%{T3}%{A:xdotool windowminimize $(xdotool getwindowfocus getactivewindow):}\uf2d1%{A} "\
        "%{T2}%{A:wmctrl -r \:ACTIVE\: -b toggle,maximized_vert,maximized_horz:}\uf2d0%{A}"
}

Battery() {
    BATPERC="$(acpi --battery | cut -d, -f2)"
    if [[ -z "$(acpi --battery | grep -i discharging)" ]]; then
        # Charging.
        echo "\uf5e7$BATPERC"
    else
        echo "\uf244$BATPERC"
    fi
}

Network() {
        if iwconfig wlan0 | grep -q 'Link Quality'; then
        signal=$(iwconfig wlan0 | awk '/Link Quality/{print "scale=0;100*" substr($2,9,5)}' | bc)
                echo "\uf1eb $signal% ";
        else
                if ping -q -c 1 -W 1 8.8.8.8 > /dev/null; then
                        echo "\uf6ff "
                else
                        echo "\uf6ff \uf00d"
                fi
        fi
}

while true; do
        constant="%{B#$BG_ALPHA$BGCOLOR}%{l}\
        %{F#F92672}$(Buttons)\
        %{T1}%{F#$FGCOLOR}%{B#$BG_ALPHA$BGCOLOR}  $(ActiveWindow) %{c}$(Clock) %{r}$(Cal)\
        |%{A:gnome-system-monitor:} $(CPUTemp) %{A}|\
    %{A:volume mute:}%{A4:volume up:}%{A5:volume down:}$(Sound)%{A}%{A}%{A}"
    if [[ "$mobile" == "1" ]]; then # mobile=1 because laptop mode, it displays WiFi and battery status.
        final=$constant" | $(Battery) | $(Network)"
    else
        final=$constant;
    fi
    echo -ne $final' ';
        sleep 0.4s;
        toEcho="";
done