#! /bin/sh

module_name="$(basename "$0")"
align="left"

color() {
    sed "$1!d" ../colors
}

background="$(color 1)"
foreground="$(color 2)"

trap "echo "$module_name//!DEAD" && trap - TERM && kill -- -$$" INT TERM EXIT

loop() {
    echo "$module_name/$align!$background!$foreground/"

    if [ ! -z "$clickFunc" ]; then
        trap "$clickFunc" 10
        prefix="%{A:kill -10 $$:}"
        suffix="%{A}"
    fi
    
    while :; do
        data="$($1)"
        if [ "$?" = "1" ]; then
            sleep 0.01
            continue
        fi
    
        echo "$module_name//$prefix$data$suffix"
        
        $waitFunc &
        wait $!
    done
}

wait_for() {
    [ "$1" = "" ] && exit

    if [ "$2" = "" ]; then
        herbstclient --wait $1 > /dev/null &
        wait
    else
        list=""
        for arg in $@; do
            list="$list|$arg"
        done
        
        herbstclient --wait "$list" > /dev/null &
        wait
    fi
}

kickoff() {
    if [ "$2" = "" ]; then
        while :; do
            $1
        done
    else
        while :; do
            $1
            
            sleep $2
        done
    fi
}

pad() {
    len="$(echo -n "$1" | wc -c)"
    padding="$(expr $2 - $len)"

    if [ "$padding" -lt 1 ]; then
        echo "$1"
        return
    fi

    printf "$1%*s\n" $padding ''
}

trim() {
    len="$(echo -n "$1" | wc -c)"

    echo "$1" | colrm $2
    
    [ "$len" -gt "$2" ] && return 3
}

toggle() {
    eval "[ \"\$$1\" = \"true\" ] && $1=false || $1=true"
}

atomic_write() {
    cat - > "$1.atom"
    mv "$1.atom" "$1"
}