#!/usr/bin/env zsh
emulate -L zsh
setopt err_exit no_unset

region="us-east-1"
dry_run=0

while getopts ":nr:" opt; do
    case $opt in
        n)
            dry_run=1
            ;;
        r)
            region=$OPTARG
            ;;
        :)
            print -u2 -- "missing value for -$OPTARG"
            exit 2
            ;;
        \?)
            print -u2 -- "unknown option: -$OPTARG"
            exit 2
            ;;
    esac
done

shift $(( OPTIND - 1 ))
environment=${1-}

if [[ -z $environment ]]; then
    print -u2 -- 'usage: deploy-options.zsh [-n] [-r region] environment'
    exit 2
fi

print -r -- "environment=$environment"
print -r -- "region=$region"
print -r -- "dry_run=$dry_run"