---
- name: Install minimal dependencies
  apt:
    name:
      - curl
      - ca-certificates
    state: present
    update_cache: yes
  when: ansible_os_family == "Debian"

- name: Create directories
  file:
    path: "{{ item }}"
    state: directory
    mode: '0755'
  loop:
    - "{{ traefik_base_dir }}/{{ new_color }}"
    - "{{ traefik_base_dir }}/{{ new_color }}/config"
    - "{{ traefik_base_dir }}/{{ new_color }}/logs"

- name: Create acme.json
  file:
    path: "{{ traefik_base_dir }}/{{ new_color }}/acme.json"
    state: touch
    mode: '0600'

- name: Download binary from Forgejo
  get_url:
    url: "{{ forgejo_url }}/{{ forgejo_owner }}/{{ forgejo_repo }}/releases/download/{{ traefik_version }}/traefik-{{ traefik_version }}-linux-amd64.tar.gz"
    dest: "/tmp/traefik_{{ new_color }}.tar.gz"
    mode: '0644'
    force: yes

- name: Extract binary
  unarchive:
    src: "/tmp/traefik_{{ new_color }}.tar.gz"
    dest: "{{ traefik_base_dir }}/{{ new_color }}"
    remote_src: yes

- name: Make executable
  file:
    path: "{{ traefik_base_dir }}/{{ new_color }}/traefik"
    mode: '0755'

- name: Copy static config
  template:
    src: traefik.yml.j2
    dest: "{{ traefik_base_dir }}/{{ new_color }}/config/traefik.yml"
    mode: '0644'

- name: Copy dynamic config
  template:
    src: dynamic.yml.j2
    dest: "{{ traefik_base_dir }}/{{ new_color }}/config/dynamic.yml"
    mode: '0644'

- name: Create systemd service
  template:
    src: traefik.service.j2
    dest: "/etc/systemd/system/traefik-{{ new_color }}.service"
    mode: '0644'

- name: Reload systemd
  systemd:
    daemon_reload: yes

- name: Start new instance
  systemd:
    name: "traefik-{{ new_color }}"
    state: started
    enabled: yes

- name: Wait for health check
  uri:
    url: "http://localhost:8080/ping"
    status_code: 200
  register: result
  until: result.status == 200
  retries: 30
  delay: 2

- name: Stop old instance
  systemd:
    name: "traefik-{{ current_color }}"
    state: stopped
    enabled: no
  when: current_color != new_color
  ignore_errors: yes

- name: Update color marker
  copy:
    content: "{{ new_color }}"
    dest: "{{ current_color_file }}"