- name: Install Docker on Debian, Ubuntu, or Raspbian
  hosts: Docker
  become: true
  gather_facts: true

  tasks:
    - name: Install required system packages
      apt:
        name:
          - apt-transport-https
          - ca-certificates
          - curl
          - software-properties-common
          - virtualenv
        state: latest
        update_cache: true
      when: ansible_os_family == "Debian"

    - name: Create apt keyrings directory
      ansible.builtin.file:
        path: /etc/apt/keyrings
        state: directory
        mode: '0755'
      when: ansible_os_family == "Debian"

    - name: Download Docker GPG key
      ansible.builtin.get_url:
        url: https://download.docker.com/linux/ubuntu/gpg
        dest: /etc/apt/keyrings/docker.asc
        mode: '0644'
        force: false
      when: ansible_os_family == "Debian"

    - name: Add Docker Repository
      ansible.builtin.apt_repository:
        repo: "deb [arch={{ 'arm64' if ansible_architecture == 'aarch64' else 'amd64' }} signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu {{ ansible_distribution_release }} stable"
        state: present
        filename: docker
      when: ansible_os_family == "Debian"

    - name: Update apt and install Docker packages
      ansible.builtin.apt:
        name:
          - docker-ce
          - docker-ce-cli
          - containerd.io
          - docker-compose-plugin
        state: latest
        update_cache: true
      when: ansible_os_family == "Debian"

    - name: Install Docker dependencies for RedHat/CentOS
      package:
        name:
          - yum-utils
          - device-mapper-persistent-data
          - lvm2
        state: present
      when: ansible_os_family == "RedHat"

    - name: Add Docker repository for RedHat/CentOS
      yum_repository:
        name: docker-ce-stable
        description: Docker CE Stable - $basearch
        baseurl: https://download.docker.com/linux/centos/7/$basearch/stable
        enabled: yes
        gpgcheck: yes
        gpgkey: https://download.docker.com/linux/centos/gpg
      when: ansible_os_family == "RedHat"

    - name: Install Docker for RedHat/CentOS
      package:
        name: docker-ce
        state: present
      when: ansible_os_family == "RedHat"

    - name: Add authenticated user to Docker group
      user:
        name: "{{ ansible_user }}"
        groups: docker
        append: yes
      when: ansible_os_family == "Debian" or ansible_os_family == "RedHat"

    - name: Ensure Docker service is enabled and started
      systemd:
        name: docker
        enabled: yes
        state: started

    - name: Reset connection to refresh user group membership
      meta: reset_connection