# code: language=ansible

- name: Clean Synapse
  hosts: localhost
  connection: local
  become: false
  gather_facts: false
  tasks:

    - name: Get room list
      ansible.builtin.uri:
        url: "https://{{ synapse_host_address }}/_synapse/admin/v1/rooms?limit=1000"
        headers:
          Authorization: "Bearer {{ synapse_admin_token }}"
      register: room_list

    - name: Set empty_rooms fact
      ansible.builtin.set_fact:
        empty_rooms: "{{ room_list.json.rooms | selectattr('joined_local_members', '==', 0) | list }}"

    - name: Debug empty room count
      ansible.builtin.debug:
        msg: "Total empty rooms to delete: {{ empty_rooms | length }}"

    - name: Delete empty rooms
      when: empty_rooms | length > 0
      ansible.builtin.uri:
        url: "https://{{ synapse_host_address }}/_synapse/admin/v2/rooms/{{ room.room_id }}"
        method: DELETE
        headers:
          Authorization: "Bearer {{ synapse_admin_token }}"
        body_format: json
        body: {}
      loop: "{{ empty_rooms }}"
      loop_control:
        loop_var: room
        label: "{{ room.room_id }}"
      register: purge_ids

    - name: Write purge_ids to file
      ansible.builtin.copy:
        dest: "{{ playbook_dir }}/purge_ids_{{ now(utc=false, fmt='%Y-%m-%d_%H-%M-%S') }}.json"
        content: "{{ purge_ids.results | map(attribute='json.delete_id') | list | to_nice_json }}"
        mode: "0664"