---
- name: Create Grafana directory structure
  ansible.builtin.file:
    path: "{{ item }}"
    state: directory
    owner: 472
    group: 472
    mode: '0755'
  loop:
    - "{{ grafana_base_dir }}"
    - "{{ grafana_data_dir }}"
    - "{{ grafana_config_dir }}/provisioning/datasources"
    - "{{ grafana_config_dir }}/provisioning/dashboards"
    - "{{ grafana_vm_data_dir }}"
    - "{{ grafana_vmagent_tmp_dir | dirname }}"

- name: Set proper permissions for Grafana data directory
  ansible.builtin.file:
    path: "{{ grafana_data_dir }}"
    owner: 472
    group: 472
    recurse: yes
    mode: '0755'

- name: Deploy vmagent configuration
  template:
    src: vmagent.yaml.j2
    dest: "{{ grafana_vmagent_config }}"
    owner: root
    group: root
    mode: '0644'
  become: yes
  notify: restart vmagent

- name: Deploy Grafana docker-compose.yml
  ansible.builtin.template:
    src: docker-compose.yml.j2
    dest: "{{ grafana_base_dir }}/docker-compose.yml"
    owner: root
    group: root
    mode: '0644'

- name: Deploy VictoriaMetrics datasource configuration
  template:
    src: victoriametrics-datasource.yml.j2
    dest: "{{ grafana_config_dir }}/provisioning/datasources/victoriametrics.yml"
    owner: root
    group: root
    mode: '0644'
  become: yes

- name: Deploy Loki datasource configuration
  template:
    src: loki-datasource.yml.j2
    dest: "{{ grafana_config_dir }}/provisioning/datasources/loki.yml"
    owner: root
    group: root
    mode: '0644'
  become: yes

- name: Start Grafana services
  ansible.builtin.shell: |
    cd "{{ grafana_base_dir }}"
    docker compose down
    docker compose up -d
  args:
    executable: /bin/bash
  register: grafana_up
  changed_when: "'Started' in grafana_up.stdout or 'Recreated' in grafana_up.stdout"

- name: Wait for Grafana to start
  ansible.builtin.wait_for:
    host: "{{ server_ips.manage }}"
    port: "{{ grafana_port }}"
    timeout: 60
    state: started
  become: no

- name: Check Grafana container status
  ansible.builtin.shell: |
    docker ps --filter name=grafana --format "table {{.Names}}\t{{.Status}}\t{{.Ports}}"
  register: grafana_status
  changed_when: false

- name: Show Grafana status
  ansible.builtin.debug:
    var: grafana_status.stdout

- name: Check VictoriaMetrics connectivity from Grafana
  ansible.builtin.shell: |
    docker exec grafana curl -s http://victoriametrics:8428/health
  register: vm_health_check
  changed_when: false
  ignore_errors: yes

- name: Show VictoriaMetrics health check
  ansible.builtin.debug:
    var: vm_health_check.stdout