#! /bin/sh

. ../mpanel.subr

align="right"
background="$(color 10)"
foreground="$(color 3)"

waitFunc="sleep 1"
clickFunc='toggle flag; [ "$flag" = "true" ] && waitFunc="sleep 1" || waitFunc="sleep infinity"'

flag="true"

STORE_FILE="$XDG_RUNTIME_DIR/stats-mem.tmp"
SYMBOL=""
INTERVAL="1"

store_stats() {
    memTotal="$(cat /proc/meminfo | grep MemTotal | awk '{print $2}')"
    memFree="$(cat /proc/meminfo | grep MemFree | awk '{print $2}')"

    awk "BEGIN {printf \"%3.0f\", 100*(($memTotal-$memFree)/$memTotal)}" | atomic_write "$STORE_FILE"
}

print_stats() {
    if [ "$flag" = "true" ]; then
        echo "$SYMBOL$(cat "$STORE_FILE")%"
    else
        echo "$SYMBOL"
    fi
}

kickoff store_stats $INTERVAL &

loop print_stats