---
- name: filter servers that can support DISM
  win_command: powershell.exe "Import-Module -Name DISM"
  register: eligable_servers
  ignore_errors: True

- name: fail to run module on servers that don't support DISM
  win_hotfix:
    path: fake
    state: present
  register: fail_no_dism
  failed_when: fail_no_dism.msg != 'The DISM PS module needs to be installed, this can be done through the windows-adk chocolately package'
  when: eligable_servers.rc != 0

- name: run tests on hosts that support DISM
  include_tasks: tests.yml
  when: eligable_servers.rc == 0

- name: set output to true if running Server 2012 R2
  win_command: powershell.exe "$version = [Environment]::OSVersion.Version; if ($version.Major -eq 6 -and $version.Minor -eq 3) { 'true' } else { 'false' }"
  register: test_hotfix

- block:
  - name: ensure hotfixes are uninstalled before tests
    win_hotfix:
      hotfix_identifier: '{{item}}'
      state: absent
    register: pre_uninstall
    with_items:
    - '{{test_win_hotfix_identifier}}'
    - '{{test_win_hotfix_reboot_identifier}}'

  - name: reboot after pre test uninstall if required
    win_reboot:
    when: pre_uninstall.results[0].reboot_required == True or pre_uninstall.results[1].reboot_required == True

  - name: run actual hotfix tests on Server 2012 R2 only
    include_tasks: tests_2012R2.yml

  always:
  - name: ensure hotfixes are uninstalled after tests
    win_hotfix:
      hotfix_identifier: '{{item}}'
      state: absent
    register: post_uninstall
    with_items:
    - '{{test_win_hotfix_identifier}}'
    - '{{test_win_hotfix_reboot_identifier}}'

  - name: reboot after post test uninstall if required
    win_reboot:
    when: post_uninstall.results[0].reboot_required == True or post_uninstall.results[1].reboot_required == True

  when: test_hotfix.stdout_lines[0] == "true"
