#!/bin/sh

BAR_CFG="$XDG_CONFIG_HOME/polybar/config.ini"

main () {
    if [ -z "$1" ]; then
        toggle ; exit 0
    fi

    case "$1" in
        t|top) 
            top ;;
        b|bottom) 
            bottom ;;
        *) 
            echo "usage: barpos [top|bottom]" ;;
    esac
}

toggle () {
    if grep -Eq "^bottom = true$" "$BAR_CFG"; then
        top
    else
        bottom
    fi
}

bottom () {
    sed -Ei "s|^bottom = .*$|bottom = true|" "$BAR_CFG"
}

top () {
    sed -Ei "s|^bottom = .*$|bottom = false|" "$BAR_CFG"
}

main "$@"