# SPDX-FileCopyrightText: 2025 Max Mehl <https://mehl.mx>
#
# SPDX-License-Identifier: Apache-2.0

---
- name: Set template file name
  ansible.builtin.set_fact:
    template: "{{ service }}.service.j2"
  when: template is not defined

- name: Install required dependencies
  ansible.builtin.apt:
    pkg:
      - systemd-container # necessary to use machinectl
    install_recommends: false

- name: Register user info of {{ user }}
  ansible.builtin.user:
    name: "{{ user }}"
  check_mode: true
  register: user_info

- name: Ensure user systemd directory exists
  ansible.builtin.file:
    path: "{{ user_info.home }}/.config/systemd/user/"
    state: directory
    mode: "0755"
    owner: "{{ user }}"
    group: "{{ user }}"

- name: Ensure systemd service file is present (template)
  ansible.builtin.template:
    src: "{{ template }}"
    dest: "{{ user_info.home }}/.config/systemd/user/{{ service }}.service"
    mode: "0644"
    owner: "{{ user }}"
    group: "{{ user }}"
  when: copy_file is not defined

- name: Ensure systemd service file is present (copy)
  ansible.builtin.copy:
    src: "{{ copy_file }}"
    dest: "{{ user_info.home }}/.config/systemd/user/{{ service }}.service"
    mode: "0644"
    owner: "{{ user }}"
    group: "{{ user }}"
  when: copy_file is defined

- name: "Check whether user is lingering: {{ user }}"
  ansible.builtin.stat:
    path: "/var/lib/systemd/linger/{{ user }}"
  register: user_lingering

- name: Ensure systemd lingering is enabled for user {{ user }}
  ansible.builtin.command: loginctl enable-linger {{ user }}
  changed_when: false
  when: not user_lingering.stat.exists

- name: Ensure systemd service is running and enabled
  ansible.builtin.systemd_service:
    name: "{{ service }}"
    state: "{{ systemd_state }}"
    enabled: "{{ systemd_enabled }}"
    daemon_reload: "{{ systemd_daemon_reload }}"
    scope: user
  become: true
  become_user: "{{ user }}"
  become_method: ansible.builtin.sudo
  environment:
    XDG_RUNTIME_DIR: "/run/user/{{ user_info.uid }}"
    DBUS_SESSION_BUS_ADDRESS: "unix:path=/run/user/{{ user_info.uid }}/bus"