---
- name: Configure local machine to use Pi-hole DNS
  hosts: localhost
  connection: local
  become: true
  vars:
    pihole_ip: 192.168.200.100

  tasks:
    - name: Create systemd-resolved drop-in directory
      ansible.builtin.file:
        path: /etc/systemd/resolved.conf.d
        state: directory
        mode: '0755'

    - name: Configure systemd-resolved to use Pi-hole
      ansible.builtin.copy:
        dest: /etc/systemd/resolved.conf.d/pihole.conf
        content: |
          [Resolve]
          DNS={{ pihole_ip }}
          FallbackDNS=8.8.8.8 8.8.4.4
          Domains=~.
        mode: '0644'
      notify: Restart systemd-resolved

    - name: Flush DNS cache
      ansible.builtin.command: resolvectl flush-caches
      changed_when: false

  handlers:
    - name: Restart systemd-resolved
      ansible.builtin.systemd:
        name: systemd-resolved
        state: restarted