---
# Remove/stop/disable systemd units that belong to this SOFTWARE_NAME,
# but are not for the current version.

- name: "🤔 sys-service | Determine current software/version (lowercase)"
  ansible.builtin.set_fact:
    sys_service_sw_lc: "{{ SOFTWARE_NAME | string | trim | lower }}"
    sys_service_ver_lc: "{{ lookup('version') | string | trim | lower }}"

- name: "📊 sys-service | Collect {{ SOFTWARE_NAME }} timers (all versions)"
  become: true
  ansible.builtin.command:
    argv:
      - systemctl
      - list-unit-files
      - "*.{{ sys_service_sw_lc }}*.timer"
      - --no-legend
      - --no-pager
  register: sys_service_all_timers
  changed_when: false
  failed_when: false

- name: "📊 sys-service | Collect {{ SOFTWARE_NAME }} services (all versions)"
  become: true
  ansible.builtin.command:
    argv:
      - systemctl
      - list-unit-files
      - "*.{{ sys_service_sw_lc }}*.service"
      - --no-legend
      - --no-pager
  register: sys_service_all_services
  changed_when: false
  failed_when: false

- name: "🔨 sys-service | Build old-version unit lists (exclude current version)"
  ansible.builtin.set_fact:
    sys_service_old_units_timers: >-
      {{
        (sys_service_all_timers.stdout_lines | default([]))
        | map('split', ' ')
        | map('first')
        | select('search', '\\.' ~ sys_service_sw_lc ~ '(?:@)?\\.timer$')
        | reject('search', '\\.' ~ sys_service_ver_lc ~ '\\.' ~ sys_service_sw_lc)
        | list
      }}
    sys_service_old_units_services: >-
      {{
        (sys_service_all_services.stdout_lines | default([]))
        | map('split', ' ')
        | map('first')
        | select('search', '\\.' ~ sys_service_sw_lc ~ '(?:@)?\\.service$')
        | reject('search', '\\.' ~ sys_service_ver_lc ~ '\\.' ~ sys_service_sw_lc)
        | list
      }}

- name: "⏹️ sys-service | Stop old-version services (best-effort)"
  become: true
  ansible.builtin.systemd:
    name: "{{ item }}"
    state: stopped
  loop: "{{ sys_service_old_units_services }}"
  when: sys_service_old_units_services | length > 0
  failed_when: false

- name: "⏹️ sys-service | Stop old-version timers (best-effort)"
  become: true
  ansible.builtin.systemd:
    name: "{{ item }}"
    state: stopped
  loop: "{{ sys_service_old_units_timers }}"
  when: sys_service_old_units_timers | length > 0
  failed_when: false

- name: "🔴 sys-service | Disable old-version services (best-effort)"
  become: true
  ansible.builtin.systemd:
    name: "{{ item }}"
    enabled: false
  loop: "{{ sys_service_old_units_services }}"
  when: sys_service_old_units_services | length > 0
  failed_when: false

- name: "🔴 sys-service | Disable old-version timers (best-effort)"
  become: true
  ansible.builtin.systemd:
    name: "{{ item }}"
    enabled: false
  loop: "{{ sys_service_old_units_timers }}"
  when: sys_service_old_units_timers | length > 0
  failed_when: false

- name: "🗑️ sys-service | Delete old-version unit files"
  become: true
  ansible.builtin.file:
    path: "{{ [ DIR_SYSTEM_SERVICE, item ] | path_join }}"
    state: absent
  loop: "{{ (sys_service_old_units_services + sys_service_old_units_timers) | unique }}"
  when: (sys_service_old_units_services | length > 0) or (sys_service_old_units_timers | length > 0)

- name: "🔄 sys-service | systemd daemon-reload after pruning"
  become: true
  ansible.builtin.systemd:
    daemon_reload: true
  when: (sys_service_old_units_services | length > 0) or (sys_service_old_units_timers | length > 0)