locals {
  budget_alerts = {
    actual-50 = {
      threshold = 50
      type      = "ACTUAL"
    }
    actual-80 = {
      threshold = 80
      type      = "ACTUAL"
    }
    actual-100 = {
      threshold = 100
      type      = "ACTUAL"
    }
    forecast-100 = {
      threshold = 100
      type      = "FORECAST"
    }
  }
}

resource "oci_budget_budget" "relay" {
  amount         = var.budget_amount
  compartment_id = local.tenancy_ocid
  description    = "Monthly budget for the OCI L4 relay compartment"
  display_name   = "oci-l4-relay"
  reset_period   = "MONTHLY"
  target_type    = "COMPARTMENT"
  targets        = [local.compartment_id]
  freeform_tags  = var.freeform_tags
}

resource "oci_budget_alert_rule" "relay" {
  for_each = local.budget_alerts

  budget_id      = oci_budget_budget.relay.id
  description    = "${each.value.type} relay spend reaches ${each.value.threshold}% of budget"
  display_name   = each.key
  message        = "Review OCI L4 relay spend before increasing or retaining paid capacity."
  recipients     = local.budget_alert_recipients
  threshold      = each.value.threshold
  threshold_type = "PERCENTAGE"
  type           = each.value.type
  freeform_tags  = var.freeform_tags
}