# Variables
# =====================

variable "tenant" {
  description = "Tenant informations"
  type = any
  default = {}
}

variable "deploy" {
  description = "Deployments configuration"
  type = map
  default = {}
}

variable "catalog" {
  description = "Cloud informations"
  type = any
  default = {}
}

variable "deployment" {
  description = "Deployment options"
  type = any
  default = {}
}


# Resources
# =====================

locals {

  def_deploy = {
    deployment_name = "default"

    pools = false
    volumes = false
    networks = false
    instances = false
    images = false
  }


  def_deployment = {

    # Default values (always obj)
    // os = {}
    pool = {}
    image = {}
    // flavor = {}
    volume = {}
    network = {}
    instance = {}

    # Deployment config
    oses = {}
    pools = {}
    images = {}
    flavors = {}
    volumes = []    # List of volumes
    networks = {}
    instances = []  # List of instances
  }

  deploy = merge ( local.def_deploy, var.deploy )
  deployment = merge ( local.def_deployment, var.deployment )
  catalog = merge ( local.def_deployment, var.catalog )

  merged_catalog = {for name, item in local.def_deployment: 
    # Merge only dicts, skip lists ...
    name => try(
      merge(
        local.catalog[name],
        local.deployment[name],
      ),
      []
    )
  }

}



# Modules
# =====================

module "cloud_pools" {
  source = "../../modules_libvirt/virt_pools"
  count = local.deploy.pools ? 1: 0

  pools = local.deployment.pools
  pools_defaults = local.deployment.pool
}

module "cloud_images" {
  source = "../virt_images"
  count = local.deploy.images ? 1: 0
  depends_on = [module.cloud_pools]

  images = local.deployment.images
  images_defaults = local.deployment.image
}

module "cloud_volumes" {
  source = "../virt_volumes"
  count = local.deploy.volumes ? 1: 0
  depends_on = [module.cloud_pools]

  tenant = var.tenant
  volumes = local.deployment.volumes
  volumes_defaults = local.deployment.volume
}

module "cloud_networks" {
  source = "../virt_networks"
  count = local.deploy.networks ? 1: 0

  tenant = var.tenant
  networks = local.deployment.networks
  networks_defaults = local.deployment.network
}

module "cloud_instances" {
  source = "../cloud_instances"
  count = local.deploy.instances ? 1: 0
  depends_on = [module.cloud_networks, module.cloud_images, module.cloud_volumes]

  tenant = var.tenant
  instance_defaults = local.deployment.instance

  catalog = local.merged_catalog

  // networks_catalog = local.deployment.networks
  // images_catalog = local.deployment.images
  // oses_catalog = local.deployment.oses
  // flavors_catalog = local.deployment.flavors

  instances = local.deployment.instances
}



# Dump Config
# =====================

resource "local_file" "config_cloud" {
  content  = yamlencode(var.catalog)
  filename = "out/ns-${local.deploy.deployment_name}-catalog.yml"
}

resource "local_file" "config_deployment" {
  content  = yamlencode(var.deployment)
  filename = "out/ns-${local.deploy.deployment_name}-deployment.yml"
}




# Output
# =====================

// output "cloud_pools" {
//   value = module.cloud_pools
// }

// output "cloud_images" {
//   value = module.cloud_images
// }
// output "cloud_volumes" {
//   value = module.cloud_volumes
// }
// output "cloud_networks" {
//   value = module.cloud_networks
// }
// output "cloud_instances" {
//   value = module.cloud_instances
// }

// output "DEBUG" {
//   value = local.deployment
// }