---
# 1. Проверка наличия переменных и динамическое добавление хоста
- name: Validate input and add host dynamically
  hosts: localhost
  gather_facts: no
  tasks:
    - name: Check if vm_ip is provided
      fail:
        msg: |
          ========================================
          ERROR: VM IP address is required!
          
          Please provide vm_ip variable when running this playbook.
          
          Example in Semaphore:
          - Add vm_ip in Extra Variables
          ========================================
      when: vm_ip is not defined or vm_ip == ""

    - name: Check if ansible_user is provided
      fail:
        msg: "ERROR: ansible_user is required! Please provide SSH username."
      when: ansible_user is not defined or ansible_user == ""

    - name: Display target information
      debug:
        msg: |
          ========================================
          Target Configuration:
          - IP Address: {{ vm_ip }}
          - SSH User: {{ ansible_user }}
          ========================================

    - name: Add new VM to inventory
      add_host:
        name: "{{ vm_ip }}"
        groups: npm_servers
        ansible_user: "{{ ansible_user }}"
        ansible_ssh_common_args: '-o StrictHostKeyChecking=no'
        ansible_become: yes

# 2. Основная настройка NPM
- name: Setup Minimal Linux with Docker and Nginx Proxy Manager
  hosts: npm_servers
  become: yes
  gather_facts: yes
  tasks:
    - name: Display facts about target
      debug:
        msg: "Setting up Docker and NPM on {{ ansible_hostname }} ({{ ansible_default_ipv4.address }})"

    - name: Update apt cache and install prerequisites
      apt:
        name: ['apt-transport-https', 'ca-certificates', 'curl', 'gnupg', 'lsb-release']
        state: present
        update_cache: yes

    - name: Check system architecture
      debug:
        msg: "System architecture: {{ ansible_architecture }}"

    - name: Add Docker GPG apt Key
      apt_key:
        url: https://download.docker.com/linux/debian/gpg
        state: present

    - name: Add Docker Repository
      apt_repository:
        repo: "deb [arch=amd64] https://download.docker.com/linux/debian {{ ansible_distribution_release }} stable"
        state: present

    - name: Install Docker and Docker Compose Plugin
      apt:
        name: ['docker-ce', 'docker-ce-cli', 'containerd.io', 'docker-compose-plugin']
        state: present
        update_cache: yes

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

    - name: Add user to docker group
      user:
        name: "{{ ansible_user }}"
        groups: docker
        append: yes
      when: ansible_user != 'root'

    - name: Create directory for Nginx Proxy Manager
      file:
        path: /opt/npm
        state: directory
        mode: '0755'

    - name: Create docker-compose.yml for NPM
      copy:
        dest: /opt/npm/docker-compose.yml
        content: |
          version: '3.8'
          services:
            app:
              image: 'jc21/nginx-proxy-manager:latest'
              restart: unless-stopped
              ports:
                - '80:80'
                - '81:81'
                - '443:443'
              volumes:
                - ./data:/data
                - ./letsencrypt:/etc/letsencrypt

    - name: Run Nginx Proxy Manager via Docker Compose
      community.docker.docker_compose_v2:
        project_src: /opt/npm
        state: present

    - name: Display access information
      debug:
        msg: |
          ========================================
          ✅ Nginx Proxy Manager is ready!
          
          Access URLs:
          - Admin Panel: http://{{ vm_ip }}:81
          - HTTP Proxy: http://{{ vm_ip }}
          - HTTPS Proxy: https://{{ vm_ip }}
          
          Default Admin Credentials (change on first login):
          - Email: admin@example.com
          - Password: changeme
          ========================================