resource "aws_sns_topic" "CW-alerts" {
  count = length(var.sns-topic-recipient)
  name  = join("", [var.sns-topic-recipient[count.index].name])
  provisioner "local-exec" {
    command = "./sns_subscription.sh"
    environment = {
      sns_arn = self.arn
      sns_emails = var.sns-subscription-email-address-list[count.index].email-address
    }
  }
  tags  = merge(var.tags, { "Name" = join("", [var.tags.Environment, "-", var.sns-subscription-email-address-list[count.index].name]) })
}

resource aws_sns_topic_policy "CW-alerts-topic-policy" {
  count = length(var.sns-topic-recipient)
  arn   = aws_sns_topic.CW-alerts[count.index].arn
  policy = templatefile(join("", [path.module, "/cw-topic-policy.tpl"]), {
    region = join("", ["arn:aws:sns:", var.region, ":", var.aws-account, ":", var.sns-topic-recipient[count.index].name])
    aws-account = var.aws-account
  })
}