#!/usr/bin/env bash
set -euo pipefail

if [ -z "${1-}" ]; then
  echo "Usage: $0 <customer_name>" >&2
  exit 1
fi

CUSTOMER_NAME=$1
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
CUSTOMER_DIR="${SCRIPT_DIR}/../terraform/customers/${CUSTOMER_NAME}"
TEMPLATE_DIR="${SCRIPT_DIR}/../terraform/customers/_template"

if [ -d "${CUSTOMER_DIR}" ]; then
  echo "Error: Customer directory already exists: ${CUSTOMER_DIR}" >&2
  exit 1
fi

cp -r "${TEMPLATE_DIR}" "${CUSTOMER_DIR}"
echo "✓ Directory created: ${CUSTOMER_DIR}"

read -p "GCP Project ID (e.g., ${CUSTOMER_NAME}-prod-eun1): " PROJECT_ID
read -p "GCP Billing Account ID: " BILLING_ACCOUNT_ID
read -p "Alert Email: " ALERT_EMAIL
read -p "Container Image URI: " CONTAINER_IMAGE

cat > "${CUSTOMER_DIR}/terraform.tfvars" << EOF
customer_id           = "${CUSTOMER_NAME}"
project_id            = "${PROJECT_ID}"
region                = "europe-north1"
billing_account_id    = "${BILLING_ACCOUNT_ID}"
alert_email           = "${ALERT_EMAIL}"
billing_viewer_emails = ["chris.christiansen@vauco.no"]
container_image       = "${CONTAINER_IMAGE}"
EOF

echo "✓ terraform.tfvars created."
terraform -chdir="${CUSTOMER_DIR}" init
terraform -chdir="${CUSTOMER_DIR}" apply -auto-approve
echo "=== Customer ${CUSTOMER_NAME} created successfully! ==="