---
# Install Docker on a host (for non-Synology systems)
- name: Install Docker
  hosts: "{{ target_host | default('all:!synology') }}"
  become: true
  gather_facts: true

  tasks:
    - name: Install prerequisites
      ansible.builtin.apt:
        name:
          - apt-transport-https
          - ca-certificates
          - curl
          - gnupg
          - lsb-release
          - python3-pip
        state: present
        update_cache: true
      when: ansible_os_family == "Debian"

    - name: Add Docker GPG key
      ansible.builtin.apt_key:
        url: https://download.docker.com/linux/{{ ansible_distribution | lower }}/gpg
        state: present
      when: ansible_os_family == "Debian"

    - name: Add Docker repository
      ansible.builtin.apt_repository:
        repo: "deb https://download.docker.com/linux/{{ ansible_distribution | lower }} {{ ansible_distribution_release }} stable"
        state: present
      when: ansible_os_family == "Debian"

    - name: Install Docker
      ansible.builtin.apt:
        name:
          - docker-ce
          - docker-ce-cli
          - containerd.io
          - docker-compose-plugin
        state: present
        update_cache: true
      when: ansible_os_family == "Debian"

    - name: Ensure Docker service is running
      ansible.builtin.service:
        name: docker
        state: started
        enabled: true

    - name: Add user to docker group
      ansible.builtin.user:
        name: "{{ ansible_user }}"
        groups: docker
        append: true