---
- name: Assert Debian-based distribution
  ansible.builtin.assert:
    that:
      - ansible_os_family == 'Debian'
    fail_msg: "ansible-role-semaphore .deb installation only supports Debian-based distributions"

- name: Set architecture fact
  ansible.builtin.set_fact:
    _semaphore_arch: "{{ {'x86_64': 'amd64', 'aarch64': 'arm64', 'armv7l': 'arm'}.get(ansible_architecture, 'amd64') }}"

- name: Get Semaphore release info from GitHub
  ansible.builtin.uri:
    url: >-
      {{ 'https://api.github.com/repos/semaphoreui/semaphore/releases/latest'
         if semaphore_version == ''
         else 'https://api.github.com/repos/semaphoreui/semaphore/releases/tags/v' + semaphore_version }}
    headers:
      Accept: "application/vnd.github.v3+json"
    return_content: true
  register: _semaphore_release

- name: Set version and download URL facts
  ansible.builtin.set_fact:
    _semaphore_version_tag: "{{ _semaphore_release.json.tag_name }}"
    _semaphore_deb_url: >-
      {{ _semaphore_release.json.assets
         | selectattr('name', 'search', 'linux_' + _semaphore_arch + '.deb')
         | map(attribute='browser_download_url')
         | first }}

- name: Read installed version
  ansible.builtin.command:
    cmd: semaphore version
  register: _semaphore_installed_raw
  changed_when: false
  ignore_errors: true
  become: true

- name: Set installed version fact
  ansible.builtin.set_fact:
    _semaphore_installed_version: >-
      {{ ('v' + (_semaphore_installed_raw.stdout | trim))
         if _semaphore_installed_raw is not failed else '' }}

- name: Install or upgrade Semaphore
  when: _semaphore_installed_version != _semaphore_version_tag
  block:
    - name: Download Semaphore .deb package
      ansible.builtin.get_url:
        url: "{{ _semaphore_deb_url }}"
        dest: /tmp/semaphore.deb
        mode: '0644'

    - name: Install Semaphore .deb package
      ansible.builtin.apt:
        deb: /tmp/semaphore.deb
        state: present
      become: true

    - name: Remove downloaded .deb package
      ansible.builtin.file:
        path: /tmp/semaphore.deb
        state: absent

- name: Create Semaphore config directory
  ansible.builtin.file:
    path: "{{ semaphore_config_dir }}"
    state: directory
    owner: "{{ semaphore_user }}"
    group: "{{ semaphore_group }}"
    mode: '0750'
  become: true

- name: Create Semaphore data directory
  ansible.builtin.file:
    path: "{{ semaphore_data_dir }}"
    state: directory
    owner: "{{ semaphore_user }}"
    group: "{{ semaphore_group }}"
    mode: '0750'
  become: true

- name: Create Semaphore systemd service
  ansible.builtin.copy:
    content: |
      [Unit]
      Description=Ansible Semaphore
      After=network.target

      [Service]
      Type=simple
      User={{ semaphore_user }}
      Group={{ semaphore_group }}
      WorkingDirectory={{ semaphore_data_dir }}
      ExecStart=/usr/bin/semaphore server --config {{ semaphore_config_dir }}/config.json
      Restart=on-failure
      RestartSec=10

      [Install]
      WantedBy=multi-user.target
    dest: /etc/systemd/system/semaphore.service
    mode: '0644'
  become: true

- name: Enable and start Semaphore service
  ansible.builtin.systemd:
    name: semaphore
    enabled: "{{ semaphore_service_enabled }}"
    state: "{{ semaphore_service_state }}"
    daemon_reload: true
  become: true