#!/usr/bin/env sh

# Define ask_Yn, which asks a yes or no question and saves the result in the given variable name (defaults to yes)
# Takes one arg, which is the variable name where the result will be saved
# No is 0 and Yes is 1

source say

ask_Yn() {
	if [ -n "$2" ]; then
		say_inline "$2 (Y/n): "
	fi
	STTY_CONFIG=$(stty -g)	# Save current stty config
	stty raw -echo		  	# Disable echo
	ANSWER=$(head -c 1)		# Scrape terminal input
	stty $STTY_CONFIG		# Restore stty config
	if [ "$ANSWER" != "${ANSWER#[Nn]}" ]; then
		say "N"
		export "${1}=0"
	else
		say "Y"
		export "${1}=1"
	fi
}

# Check if the script is being called from another script
if [ "${BASH_SOURCE[0]}" = "$0" ]; then
    # If not, call the function
    ask_Yn "$@"
fi