---
- name: Debug - Show Grafana version
  debug:
    msg: "Устанавливаем Grafana версии {{ grafana_version }}"
  tags: grafana

- name: Install minimal dependencies
  apt:
    name:
      - curl
      - adduser
      - libfontconfig1
      - tar
      - gzip
      - procps
    state: present
    update_cache: yes
  tags: grafana

- name: Create Grafana user and group
  user:
    name: grafana
    system: yes
    shell: /bin/false
    home: /usr/share/grafana
    comment: "Grafana Server"
  tags: grafana

- name: Create Grafana data/log/config directories
  file:
    path: "{{ item }}"
    state: directory
    owner: grafana
    group: grafana
    mode: '0755'
  loop:
    - /var/lib/grafana
    - /var/log/grafana
    - /etc/grafana
  tags: grafana

- name: Download Grafana from official site
  get_url:
    url: "https://dl.grafana.com/oss/release/grafana-{{ grafana_version }}.linux-amd64.tar.gz"
    dest: "/tmp/grafana-{{ grafana_version }}.linux-amd64.tar.gz"
    timeout: 300
    validate_certs: no
  tags: grafana

- name: Show download info
  debug:
    msg: "Grafana скачан: /tmp/grafana-{{ grafana_version }}.linux-amd64.tar.gz"
  tags: grafana

- name: Extract Grafana archive
  unarchive:
    src: "/tmp/grafana-{{ grafana_version }}.linux-amd64.tar.gz"
    dest: "/usr/share/"
    remote_src: yes
    owner: grafana
    group: grafana
    creates: "/usr/share/grafana-{{ grafana_version }}"
  tags: grafana

- name: Remove existing /usr/share/grafana if it exists (cleanup)
  file:
    path: /usr/share/grafana
    state: absent
  tags: grafana

- name: Create symlink from extracted version
  file:
    src: "/usr/share/grafana-{{ grafana_version }}"
    dest: "/usr/share/grafana"
    state: link
    owner: grafana
    group: grafana
  tags: grafana

- name: Create binary symlinks
  file:
    src: "/usr/share/grafana/bin/{{ item }}"
    dest: "/usr/local/bin/{{ item }}"
    state: link
    owner: root
    group: root
  loop:
    - grafana-server
    - grafana-cli
  tags: grafana

- name: Create Grafana configuration directory
  file:
    path: /etc/grafana
    state: directory
    owner: grafana
    group: grafana
    mode: '0755'
  tags: grafana

- name: Configure Grafana
  template:
    src: grafana.ini.j2
    dest: /etc/grafana/grafana.ini
    owner: grafana
    group: grafana
    mode: '0644'
  notify: restart grafana
  tags: grafana

- name: Install systemd service
  template:
    src: grafana.service.j2
    dest: /etc/systemd/system/grafana.service
    owner: root
    group: root
    mode: '0644'
  notify: restart grafana
  tags: grafana

- name: Reload systemd
  systemd:
    daemon_reload: yes
  tags: grafana

- name: Enable and start Grafana service
  systemd:
    name: grafana
    enabled: yes
    state: started
    daemon_reload: yes
  tags: grafana

- name: Wait and verify Grafana is fully operational
  include_tasks: wait_and_verify.yml
  tags: grafana

- name: Clean up temporary files
  file:
    path: "/tmp/grafana-{{ grafana_version }}.linux-amd64.tar.gz"
    state: absent
  tags: grafana