#!/bin/bash

div="%{F#0092ff}<>%{F-}%{B-}"

# Global var, last epoch time we checked email
# Update this when we call email() so that we can
# call email() every second, but only call himalaya
# once every minute

LAST_EMAIL_CHECK_EPOCH=$(date +%s)
EMAIL_STATE="Email: No new emails"

email() {
    EPOCH_NOW=$(date +%s)
    DIFF=$((EPOCH_NOW - $LAST_EMAIL_CHECK_EPOCH))
    if [ $DIFF -gt 60 ]; then
	NEW_EMAILS=$(himalaya list -s 1 | grep ✷ | wc -l)
	if [ $NEW_EMAILS -gt 0 ]; then
	    EMAIL_STATE="Email: ** New Emails **"
	    LAST_EMAIL_CHECK_EPOCH=$(date +%s)
	else
	    EMAIL_STATE="Email: No new emails"
	fi
    fi

    echo -n "$EMAIL_STATE"
    echo -n "  Last Checked: $LAST_EMAIL_CHECK_EPOCH  "
}


Clock() {
        DATETIME=$(date "+%a %b %d, %T")

        echo -n "$DATETIME"
}

cpuTemp() {

	CPUTEMP=$(sensors | grep CPU | awk '{print $2}')
	echo -n "CPU Temp: $CPUTEMP"

}

batteryInfo() {

	capacityRemaining=$(cat /sys/class/power_supply/BAT0/capacity)
	batteryStatus=$(cat /sys/class/power_supply/BAT0/status)

	if [[ $capacityRemaining -lt 25 ]]; then
		capacityRemaining="%{F#ff5b00}$capacityRemaining %{F-}%{B-}"
	fi

	if [[ "$batteryStatus" == "Charging" ]]; then
		batteryStatus="%{F#ff9966}$batteryStatus%{F-}%{B-}"
	fi

	capacityRemaining=$capacityRemaining%
	echo -n  "Battery: $capacityRemaining $batteryStatus"

}

wifiInfo() {
    
    connectionName=$(wpa_cli status | egrep "^ssid" | sed s/ssid=//g)
    ipAddr=$(wpa_cli status | egrep "^ip" | sed s/ip_address=//g)
    
	echo -n "Wifi: $connectionName $div IP: $ipAddr"

}

ethPort() {

	linkDetected=$(cat /sys/class/net/enp0s31f6/carrier)
	if [[ $linkDetected -eq 0 ]]; then
		connected="eth0: down"
	elif [[ $linkDetected -eq 1 ]]; then
		connected="eth0: up"
	fi

	echo -n "$connected"

}

diskFree() {

	freeNVME=$(df -h /dev/mapper/decryptedRoot-root | awk '{print $4}' | tail -n1)

	echo -n "NVMe Free: $freeNVME"

}

loadAvg() {

	la=$(uptime | grep -o :\ [0-9].* | sed s/://g | awk '{print $1}' | sed s/,//g)

        if (( $(echo "$la > 8" |bc -l) )); then
                la="%{F#ff5b00}$la%{F-}%{B-}"
        else
                la="%{F#ff9966}$la%{F-}%{B-}"
        fi


	echo -n "Load: $la" 

}

soundState() {

	muted=$(pactl list sinks | grep Mute: | awk '{print $2}')
	if [[ "$muted" == yes ]]; then
		state="Volume: 0%"
	else
		level=$(pactl list sinks | grep Volume: | awk '{print $5}' | head -n1)
		state="Volume: $level"
	fi

	echo -n $state

}

while true; do
	sleep 1
	echo "%{l} $(Clock)  $div  $(cpuTemp)  $div  $(loadAvg)  $div  $(wifiInfo)  $div  $(ethPort)  $div  $(diskFree)  $div  $(soundState)  $div  $(batteryInfo)  $div  $(email)"
        sleep 0.5
done