{#
  vxlan_yang.j2 — Produce a JSON object representing the VXLAN/VTEP configuration
  for the device, including VLAN-to-VNI mappings and VRF-to-VNI mappings.

  Input: GraphQL response from vxlan_intent query.
#}
{%- set vtep_edges = data.InfraVTEP.edges -%}
{%- set vrf_edges = data.InfraVRFDeviceAssignment.edges -%}

{#— Build VTEP section (there is one VTEP per device) —#}
{%- if vtep_edges | length > 0 -%}
  {%- set vtep = vtep_edges[0].node -%}
  {%- set source_iface = null -%}
  {%- if vtep.source_interface and vtep.source_interface.node -%}
    {%- set source_iface = vtep.source_interface.node.name.value -%}
  {%- endif -%}

  {#— Build VLAN-to-VNI mapping list —#}
  {%- set vlan_vni_list = [] -%}
  {%- for mapping_edge in vtep.vlan_vni_mappings.edges -%}
    {%- set m = mapping_edge.node -%}
    {%- set vlan_id = null -%}
    {%- set vlan_name = null -%}
    {%- if m.vlan and m.vlan.node -%}
      {%- set vlan_id = m.vlan.node.vlan_id.value -%}
      {%- set vlan_name = m.vlan.node.name.value -%}
    {%- endif -%}
    {%- set vni_val = null -%}
    {%- set vni_type_val = null -%}
    {%- if m.vni and m.vni.node -%}
      {%- set vni_val = m.vni.node.vni.value -%}
      {%- set vni_type_val = m.vni.node.vni_type.value -%}
    {%- endif -%}
    {%- set _ = vlan_vni_list.append({
      "vlan_id": vlan_id,
      "vlan_name": vlan_name,
      "vni": vni_val,
      "vni_type": vni_type_val
    }) -%}
  {%- endfor -%}

  {#— Build VRF-to-VNI mapping list —#}
  {%- set vrf_vni_list = [] -%}
  {%- for vrf_edge in vrf_edges -%}
    {%- set assignment = vrf_edge.node -%}
    {%- set vrf_name = null -%}
    {%- set l3vni = null -%}
    {%- set import_rts = [] -%}
    {%- set export_rts = [] -%}
    {%- if assignment.vrf and assignment.vrf.node -%}
      {%- set vrf_node = assignment.vrf.node -%}
      {%- set vrf_name = vrf_node.name.value -%}
      {%- if vrf_node.l3vni and vrf_node.l3vni.node -%}
        {%- set l3vni = vrf_node.l3vni.node.vni.value -%}
      {%- endif -%}
      {%- for rt_edge in vrf_node.import_targets.edges -%}
        {%- set _ = import_rts.append(rt_edge.node.target.value) -%}
      {%- endfor -%}
      {%- for rt_edge in vrf_node.export_targets.edges -%}
        {%- set _ = export_rts.append(rt_edge.node.target.value) -%}
      {%- endfor -%}
    {%- endif -%}
    {%- set _ = vrf_vni_list.append({
      "vrf": vrf_name,
      "l3vni": l3vni,
      "route_distinguisher": assignment.route_distinguisher.value,
      "import_targets": import_rts,
      "export_targets": export_rts
    }) -%}
  {%- endfor -%}

  {%- set result = {
    "vtep": {
      "source_address": vtep.source_address.value,
      "source_interface": source_iface,
      "udp_port": vtep.udp_port.value,
      "learn_restrict": vtep.learn_restrict.value,
      "vlan_vni_mappings": vlan_vni_list | sort(attribute='vlan_id'),
      "vrf_vni_mappings": vrf_vni_list
    }
  } -%}
{%- else -%}
  {%- set result = {
    "vtep": null,
    "vrf_vni_mappings": []
  } -%}
{%- endif -%}
{{ result | tojson(indent=2) }}