locals {
  ipv4_addresses = {
    for server_key, server in var.server : server.name => flatten([
      for k, v in try(proxmox_virtual_environment_vm.server[server.name].ipv4_addresses, []) :
      v if length(regexall(try(server.netif_filter, var.server_netif_filter), proxmox_virtual_environment_vm.server[server.name].network_interface_names[k])) > 0
    ])
  }
}

locals {
  ipv6_addresses = {
    for server_key, server in var.server : server.name => flatten([
      for k, v in try(proxmox_virtual_environment_vm.server[server.name].ipv6_addresses, []) :
      v if length(regexall(try(server.netif_filter, var.server_netif_filter), proxmox_virtual_environment_vm.server[server.name].network_interface_names[k])) > 0
    ])
  }
}

resource "proxmox_virtual_environment_vm" "server" {
  for_each = { for row in var.server : row.name => row }

  name        = "${each.value.name}.${try(each.value.dns_zone, var.server_dns_zone)}"
  description = try(each.value.description, null)
  tags = concat(
    [
      "provisioner_terraform",
      "os_${each.value.os}",
      "zone_${each.value.zone}"
    ],
    [for service in try(each.value.services, []) : "service_${service}"],
    [for type in try(each.value.types, []) : "type_${type}"],
    try(each.value.labels, [])
  )

  node_name       = var.pve_node_name
  vm_id           = each.value.vm_id
  on_boot         = try(each.value.on_boot, true)
  reboot          = try(each.value.reboot, false)
  scsi_hardware   = "virtio-scsi-pci"
  keyboard_layout = try(each.value.keyboard_layout, var.server_keyboard_layout)

  agent {
    enabled = try(each.value.guest_agent, var.server_guest_agent)
  }

  cpu {
    type    = try(each.value.cpu_type, "x86-64-v2-AES")
    cores   = try(each.value.cpu_cores, 1)
    sockets = try(each.value.cpu_sockets, 1)
  }

  memory {
    dedicated = try(each.value.memory, 1024)
    floating  = try(each.value.balloon, true) ? try(each.value.memory, 1024) : 0
  }

  dynamic "disk" {
    for_each = concat(
      [{ size = 20, backup = true }],
      try(each.value.volumes, [])
    )

    content {
      interface         = "scsi${disk.key}"
      datastore_id      = try(disk.value.datastore_id, var.server_datastore_id)
      path_in_datastore = "vm-${each.value.vm_id}-disk-${disk.key}"
      size              = disk.value.size

      file_format = "raw"
      cache       = "none"
      ssd         = try(disk.value.ssd, false)
      discard     = "on"
    }
  }

  network_device {
    model   = "virtio"
    bridge  = try(each.value.networks[0].bridge, var.server_network_bridge)
    vlan_id = try(each.value.networks[0].vlan_id, null)
  }

  operating_system {
    type = "l26"
  }

  clone {
    vm_id = each.value.clone_vm_id
    full  = try(each.value.clone_full, true)
  }

  initialization {
    datastore_id = try(each.value.datastore_id, var.server_datastore_id)

    ip_config {
      ipv4 {
        address = try(each.value.networks[0].ipv4_address, "dhcp")
        gateway = try(each.value.networks[0].ipv4_gateway, null)
      }
    }

    user_account {
      keys     = var.pve_ssh_keys
      username = "root"
    }
  }
}

resource "restapi_object" "ucs_server" {
  for_each = { for row in var.server : row.name => row }

  path = "/dns/host_record/"
  data = jsonencode({
    "position" : var.ucs_zones[try(each.value.dns_zone, var.server_dns_zone)],
    "properties" : {
      "name" : each.value.name,
      "a" : concat(local.ipv4_addresses[each.key]),
    }
  })
}