#!/usr/bin/env bash

# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
# SPDX-License-Identifier: MIT-0

#set -x

PARAMS=""
while (( "$#" )); do
  case "$1" in
    -u|--update)
      UPDATE=1
      shift 1
      ;;
    -s|--stack-name)
      STACK_NAME_ARG=$2
      shift 2
      ;;
    -t|--template)
      TEMPLATE_ARG=$2
      shift 2
      ;;
    -v|--vpc-name)
      VPC_NAME_ARG=$2
      shift 2
      ;;
    -o|--org)
      ORG_ARG=$2
      shift 2
      ;;
    -e|--owner-email)
      OWNER_EMAIL_ARG=$2
      shift 1
      ;;
    -c|--cost-center)
      COST_CENTER_ARG=$2
      shift 2
      ;;
    -p|--profile)
      PROFILE_ARG=$2
      shift 2
      ;;
    -r|--region)
      REGION_ARG=$2
      shift 2
      ;;
    --)
      shift
      break
      ;;
    -*|--*=)
      echo "Error: Unsupported flag $1" >&2
      exit 1
      ;;
    *)
      PARAMS="$PARAMS $1"
      shift
      ;;
  esac
done

eval set -- "$PARAMS"

if [ -z $UPDATE ]; then
  CMD='create-stack --enable-termination-protection'
else
  CMD='update-stack'
fi

if [ -z ${OWNER_EMAIL_ARG+x} ]; then
  echo 'Must supply --owner-email|-e argument with email address of owner'
  exit 1
else
  OWNER_EMAIL=$OWNER_EMAIL_ARG
fi

if [ -z ${VPC_NAME_ARG+x} ]; then
  VPC_NAME=shared
else
  VPC_NAME=$VPC_NAME_ARG
fi

if [ -z ${ORG_ARG+x} ]; then
  ORG=acme
else
  ORG=$ORG_ARG
fi

if [ -z ${COST_CENTER_ARG+x} ]; then
  echo 'Must supply --cost-center|-c argument in form nnnnnn'
  exit 1
else
  COST_CENTER=$COST_CENTER_ARG
fi

if [ -z ${STACK_NAME_ARG+x} ]; then
  STACK_NAME=vpc-multi-tier
else
  STACK_NAME=$STACK_NAME_ARG
fi

if [ -z ${TEMPLATE_ARG+x} ]; then
  TEMPLATE=vpc-multi-tier.yml
else
  TEMPLATE=$TEMPLATE_ARG
fi

if [ -z ${PROFILE_ARG+x} ]; then
  PROFILE=
else
  PROFILE="--profile $PROFILE_ARG"
fi

if [ -z ${REGION_ARG+x} ]; then
  REGION=us-east-1
else
  REGION=$PROFILE_ARG
fi

aws cloudformation ${CMD} \
                     --stack-name ${STACK_NAME} \
                     --template-body file://../${TEMPLATE} \
                     --parameters \
                         ParameterKey=pVpcName,ParameterValue=${VPC_NAME} \
                     --tags \
                         Key=${ORG}-service-id,Value=infra.vpc \
                         Key=${ORG}-owner,Value=${OWNER_EMAIL} \
                         Key=${ORG}-cost-center,Value=${COST_CENTER} \
                         Key=${ORG}-data-class,Value=internal \
                         Key=${ORG}-privacy-class,Value=low \
                     --capabilities CAPABILITY_NAMED_IAM \
                     --region ${REGION} \
                     ${PROFILE}

#aws cloudformation wait stack-create-complete --stack-name ${STACK_NAME} --region ${AWS_REGION} --profile ${AWS_PROFILE}