---
- hosts: localhost
  gather_facts: false
  vars:
    # Получаем preset из переменной окружения или используем default
    preset_name: "{{ lookup('env', 'MOLECULE_PRESET') | default('default') }}"
    preset_file: "/workspace/molecule/presets/{{ preset_name }}.yml"
    
    # Fallback значения если preset файл не найден
    docker_network: labnet
    generated_inventory: "{{ molecule_ephemeral_directory }}/inventory/hosts.ini"
    images:
      debian: "ghcr.io/ansible-community/molecule-ubuntu-systemd:jammy"
      rhel: "quay.io/centos/centos:stream9-systemd"
      ubuntu: "ghcr.io/ansible-community/molecule-ubuntu-systemd:jammy"
      centos: "quay.io/centos/centos:stream9-systemd"
    systemd_defaults:
      privileged: true
      command: "/sbin/init"
      volumes:
        - "/sys/fs/cgroup:/sys/fs/cgroup:ro"
      tmpfs: ["/run", "/run/lock"]
      capabilities: ["SYS_ADMIN"]
    hosts:
      - name: u1
        family: debian
        groups: [test]

  tasks:
    - name: Install required collections
      command: ansible-galaxy collection install -r /workspace/requirements.yml
      delegate_to: localhost
      ignore_errors: true
      register: collections_install
      changed_when: false
      run_once: true
      become: true
      vars:
        ansible_python_interpreter: /usr/bin/python3
      environment:
        ANSIBLE_COLLECTIONS_PATH: /usr/share/ansible/collections

    - name: Load preset configuration
      include_vars: "{{ preset_file }}"
      when: preset_file is file
      ignore_errors: true

    - name: Ensure network exists
      community.docker.docker_network:
        name: "{{ docker_network }}"
        state: present

    # SYSTEMD nodes
    - name: Pull systemd images
      community.docker.docker_image:
        name: "{{ images[item.family] }}"
        source: pull
      loop: "{{ hosts | selectattr('type','undefined') | list }}"
      loop_control: { label: "{{ item.name }}" }
      when: item.family is defined and images[item.family] is defined

    - name: Start systemd nodes
      community.docker.docker_container:
        name: "{{ item.name }}"
        image: "{{ images[item.family] }}"
        networks:
          - name: "{{ docker_network }}"
        privileged: "{{ systemd_defaults.privileged }}"
        command: "{{ systemd_defaults.command }}"
        volumes: "{{ systemd_defaults.volumes | default([]) + (item.volumes | default([])) }}"
        tmpfs: "{{ systemd_defaults.tmpfs | default([]) }}"
        capabilities: "{{ systemd_defaults.capabilities | default([]) }}"
        published_ports: "{{ item.publish | default([]) }}"
        env: "{{ item.env | default({}) }}"
        state: started
        restart_policy: unless-stopped
      loop: "{{ hosts | selectattr('type','undefined') | list }}"
      loop_control: { label: "{{ item.name }}" }
      when: item.family is defined and images[item.family] is defined

    # DinD nodes
    - name: Start DinD nodes (docker:27-dind)
      community.docker.docker_container:
        name: "{{ item.name }}"
        image: "docker:27-dind"
        networks:
          - name: "{{ docker_network }}"
        privileged: true
        env:
          DOCKER_TLS_CERTDIR: ""
        published_ports: "{{ item.publish | default([]) }}"
        volumes: "{{ (item.volumes | default([])) + [item.name + '-docker:/var/lib/docker'] }}"
        state: started
        restart_policy: unless-stopped
      loop: "{{ hosts | selectattr('type','defined') | selectattr('type','equalto','dind') | list }}"
      loop_control: { label: "{{ item.name }}" }

    # DOoD nodes (mount docker.sock)
    - name: Start DOoD nodes (systemd + docker.sock mount)
      community.docker.docker_container:
        name: "{{ item.name }}"
        image: "{{ images[item.family] }}"
        networks:
          - name: "{{ docker_network }}"
        privileged: "{{ systemd_defaults.privileged }}"
        command: "{{ systemd_defaults.command }}"
        volumes: "{{ (systemd_defaults.volumes | default([])) + ['/var/run/docker.sock:/var/run/docker.sock'] + (item.volumes | default([])) }}"
        tmpfs: "{{ systemd_defaults.tmpfs | default([]) }}"
        capabilities: "{{ systemd_defaults.capabilities | default([]) }}"
        published_ports: "{{ item.publish | default([]) }}"
        env: "{{ item.env | default({}) }}"
        state: started
        restart_policy: unless-stopped
      loop: "{{ hosts | selectattr('type','defined') | selectattr('type','equalto','dood') | list }}"
      loop_control: { label: "{{ item.name }}" }
      when: item.family is defined and images[item.family] is defined

    # Build groups map
    - name: Initialize groups map
      set_fact:
        groups_map: {}
    
    - name: Append hosts to groups
      set_fact:
        groups_map: "{{ groups_map | combine({ item_group: (groups_map[item_group] | default([])) + [item_name] }) }}"
      loop: "{{ hosts | subelements('groups', skip_missing=True) }}"
      loop_control:
        label: "{{ item.0.name }}"
      vars:
        item_name: "{{ item.0.name }}"
        item_group: "{{ item.1 }}"

    # Render inventory
    - name: Render inventory ini
      set_fact:
        inv_content: |
          [all:vars]
          ansible_connection=community.docker.docker
          ansible_python_interpreter=/usr/bin/python3

          {% for group, members in (groups_map | dictsort) %}
          [{{ group }}]
          {% for h in members %}{{ h }}
          {% endfor %}

          {% endfor %}
          [all]
          {% for h in hosts %}{{ h.name }}
          {% endfor %}

    - name: Write inventory file
      copy:
        dest: "{{ generated_inventory }}"
        content: "{{ inv_content }}"
        mode: "0644"

    - name: Display inventory summary
      debug:
        msg: |
          📋 Inventory Summary:
          - Total hosts: {{ hosts | length }}
          - Groups: {{ groups_map.keys() | list | join(', ') }}
          - Systemd nodes: {{ hosts | selectattr('type','undefined') | list | length }}
          - DinD nodes: {{ hosts | selectattr('type','defined') | selectattr('type','equalto','dind') | list | length }}
          - DOoD nodes: {{ hosts | selectattr('type','defined') | selectattr('type','equalto','dood') | list | length }}