data "azurerm_client_config" "current" {}

locals {
  backup_vault_name = (
    var.name != null &&
    trimspace(var.name) != "" ?
    var.name :
    "${coalesce(var.base_name, "")}${substr(md5("${data.azurerm_client_config.current.subscription_id}/${var.rg_name}/${coalesce(var.base_name, "")}"), 0, 6)}"
  )
}

resource "azurerm_data_protection_backup_vault" "this" {
  name                = local.backup_vault_name
  resource_group_name = var.rg_name
  location            = var.location
  datastore_type      = var.datastore_type
  redundancy          = var.redundancy

  cross_region_restore_enabled = var.cross_region_restore_enabled
  retention_duration_in_days   = var.retention_duration_in_days
  immutability                 = var.immutability
  soft_delete                  = var.soft_delete

  dynamic "identity" {
    for_each = var.identity == null ? [] : [var.identity]

    content {
      type         = identity.value.type
      identity_ids = try(identity.value.identity_ids, null)
    }
  }

  tags = var.tags
}