#!/bin/bash

CLEAN_UP="No"

while getopts ":dh" opt; do
  case ${opt} in
    h )
        echo "Usage:"
        echo "    ./run_terraform             Deploy Terraform resources."
        echo "    ./run_terraform -d          Destroy deployed resources."
        exit 0
        ;; 
    d ) # process option t
        echo "Destroy the current deployed resources"
        CLEAN_UP="Yes"
      ;;
    \? ) echo "Usage: ./run_terraform [-h] [-d]"
      ;;
  esac
done



if ( [[ -z ${AWS_ACCESS_KEY_ID} ]] || [[ -z ${AWS_SECRET_ACCESS_KEY} ]] ) && [[ -z ${AWS_PROFILE} ]]; then
    echo "[ERROR] Missing AWS credentials variables"
    exit 1
fi

TFVARS_FILE="inventories/variables.tfvars"
# To use the env var AWS_PROFILE
export AWS_SDK_LOAD_CONFIG="true"

terraform init -input=false
terraform validate
retcode=$?
if [[  $retcode != 0 ]]; then 
    exit $retcode
fi

if [[ ${CLEAN_UP} == "Yes" ]]; then
    terraform output | grep -i S3_bucket
    read -p "Confirm that you have empty the S3 bucket"
    echo "[INFO] destroy all"
    terraform destroy -var-file ${TFVARS_FILE}
    exit 0
fi

echo "terraform plan -var-file ${TFVARS_FILE} -out plan.out"
terraform plan -var-file ${TFVARS_FILE} -out plan.out
retcode=$?
if [[  $retcode != 0 ]]; then 
    exit $retcode
fi

read -p "Do you want to apply? Yes/No: " answer

if [[ $answer == "Yes" ]]; then
    terraform apply plan.out
else
    echo "Exiting..."
    exit 0
fi