---
- name: Patching | Start Windows patch cycle
  ansible.builtin.set_fact:
    _aim_patch_cycles: '{{ _aim_patch_cycle_number | int }}'
    _aim_patch_cycle_stop: false
    _aim_patch_cycle_reboot_performed: false

- name: Patching | Search available Windows updates for this wave
  ansible.windows.win_updates:
    category_names: '{{ os_patching_windows_categories }}'
    state: searched
    reboot: false
  register: _aim_windows_cycle_search

- name: Patching | Record Windows update discovery
  ansible.builtin.set_fact:
    _aim_windows_searches: '{{ _aim_windows_searches + [_aim_windows_cycle_search] }}'
    _aim_windows_update_queue: '{{ _aim_windows_cycle_search | aim_windows_update_queue }}'

- name: Patching | Reboot when discovery itself reports a required reboot
  ansible.windows.win_reboot:
    msg: '{{ os_patching_reboot_message }}'
    pre_reboot_delay: '{{ [2, (os_patching_reboot_delay_minutes | int) * 60] | max }}'
    reboot_timeout: '{{ os_patching_reboot_timeout | int }}'
  register: _aim_windows_search_reboot
  when:
    - _aim_windows_cycle_search.reboot_required | default(false) | bool
    - os_patching_reboot | bool

- name: Patching | Record discovery-time reboot boundary
  ansible.builtin.set_fact:
    _aim_patch_cycle_stop: true
    _aim_patch_cycle_reboot_performed: '{{ _aim_windows_search_reboot.rebooted | default(false) | bool }}'
    _aim_patch_any_reboot_performed: >-
      {{ (_aim_patch_any_reboot_performed | bool) or
         (_aim_windows_search_reboot.rebooted | default(false) | bool) }}
    _aim_patch_reboot_required_after: >-
      {{ false if (_aim_windows_search_reboot.rebooted | default(false) | bool) else true }}
  when:
    - _aim_windows_search_reboot is defined
    - not (_aim_windows_search_reboot.skipped | default(false) | bool)

- name: Patching | Defer discovery-time required reboot
  ansible.builtin.set_fact:
    _aim_patch_cycle_stop: true
    _aim_patch_done: true
    _aim_patch_reboot_deferred: true
    _aim_patch_reboot_required_after: true
    _aim_patch_continuation_required: true
    _aim_patch_remaining_updates_known: true
  when:
    - _aim_windows_cycle_search.reboot_required | default(false) | bool
    - not (os_patching_reboot | bool)

- name: Patching | Finish when no updates are available
  ansible.builtin.set_fact:
    _aim_patch_done: true
    _aim_patch_remaining_updates_known: true
    _aim_patch_continuation_required: '{{ _aim_windows_cycle_search.reboot_required | default(false) | bool }}'
    _aim_patch_reboot_required_after: '{{ _aim_windows_cycle_search.reboot_required | default(false) | bool }}'
  when:
    - (_aim_windows_update_queue | length) == 0
    - not (_aim_patch_cycle_stop | bool)

- name: Patching | Install discovered Windows updates sequentially
  ansible.builtin.include_tasks: windows_update_one.yml
  loop: '{{ _aim_windows_update_queue }}'
  loop_control:
    loop_var: _aim_windows_update
    label: '{{ _aim_windows_update.title }}'
  when:
    - not (_aim_patch_done | bool)
    - not (_aim_patch_cycle_stop | bool)

- name: Patching | Final read-only discovery after completed non-reboot wave
  ansible.windows.win_updates:
    category_names: '{{ os_patching_windows_categories }}'
    state: searched
    reboot: false
  register: _aim_windows_cycle_final_search
  when:
    - not (_aim_patch_done | bool)
    - not (_aim_patch_cycle_stop | bool)
    - not (_aim_patch_action_failed | bool)

- name: Patching | Record final non-reboot wave state
  ansible.builtin.set_fact:
    _aim_windows_searches: '{{ _aim_windows_searches + [_aim_windows_cycle_final_search] }}'
    _aim_patch_remaining_updates_known: true
    _aim_patch_continuation_required: '{{ (_aim_windows_cycle_final_search.found_update_count | default(0) | int) > 0 }}'
    _aim_patch_reboot_required_after: '{{ _aim_windows_cycle_final_search.reboot_required | default(false) | bool }}'
    _aim_patch_done: true
  when:
    - _aim_windows_cycle_final_search is defined
    - not (_aim_windows_cycle_final_search.skipped | default(false) | bool)

- name: Patching | Stop after operator-approved reboot boundary by default
  ansible.builtin.set_fact:
    _aim_patch_done: true
    _aim_patch_continuation_required: true
    _aim_patch_remaining_updates_known: false
  when:
    - _aim_patch_cycle_reboot_performed | bool
    - not (os_patching_rescan_after_reboot | bool)

- name: Patching | Continue only when post-reboot rescan was explicitly enabled
  ansible.builtin.debug:
    msg: >-
      AIM completed a reboot boundary and will start another Windows patch cycle because
      os_patching_rescan_after_reboot is explicitly enabled.
  when:
    - _aim_patch_cycle_reboot_performed | bool
    - os_patching_rescan_after_reboot | bool
    - not (_aim_patch_action_failed | bool)