sleepcontrol

#! /bin/bash
#
# This proof of concept isn't useful because the dialogs are on top of
# other windows.
#
# pre-requisites: cocoaDialog

set -eu
set -o pipefail

cd="/Applications/CocoaDialog.app/Contents/MacOS/CocoaDialog"

policysleep=1
policyawake=2

function get_current_policy {
    local val=$(pmset -g  | grep ' sleep ' | sed -e 's/sleep//')
    if [ $val -eq 0 ]; then
	echo $policyawake
    else
	echo $policysleep
    fi
}

function print_current_policy {
    if [ $(get_current_policy) -eq $policysleep ]; then
	echo current policy is sleep
    else
	echo current policy is awake
    fi
}

print_current_policy

function wait_for {
    # don't use --float since it's annoying
    if [ $($cd msgbox --icon info --string-output --button1 Ok --button3 Exit --text "$*") = Exit ]; then
	exit 0
    fi
}

while true; do
    policy="$(get_current_policy)"
    #print_current_policy
    if [ $policy -eq $policysleep ]; then
	wait_for turn on "never sleep mode"
	prevent_computer_sleep
    elif [ $policy -eq $policyawake ]; then
	wait_for turn on "sleep mode"
	allow_computer_sleep
    else
	$cd ok-msgbox --no-cancel --text "Bad value for policy: $policy"
	exit 1
    fi
done