locals {
  remote_cidr_list = [for c in split(",", var.remote_cidrs) : trimspace(c) if trimspace(c) != ""]
}

resource "azurerm_route_table" "router" {
  name                = "rt-${var.name}"
  resource_group_name = azurerm_resource_group.this.name
  location            = azurerm_resource_group.this.location
}

resource "azurerm_route" "to_remote" {
  for_each = toset(local.remote_cidr_list)

  name                   = "to-${replace(each.value, "/", "-")}"
  resource_group_name    = azurerm_resource_group.this.name
  route_table_name       = azurerm_route_table.router.name
  address_prefix         = each.value
  next_hop_type          = "VirtualAppliance"
  next_hop_in_ip_address = azurerm_network_interface.int.private_ip_address
}

resource "azurerm_subnet_route_table_association" "workload" {
  subnet_id      = azurerm_subnet.workload.id
  route_table_id = azurerm_route_table.router.id
}