---
- name: Enable required Windows features for WSL
  tags: [packages, services, wsl]
  ansible.windows.win_optional_feature:
    name:
      - Microsoft-Windows-Subsystem-Linux
      - VirtualMachinePlatform
    state: present
    include_parent: true

- name: Gather Windows host version details
  tags: [packages]
  ansible.windows.win_powershell:
    script: |
      $os = Get-ComputerInfo
      $Ansible.Result = @{
          product_name = $os.WindowsProductName
          version = $os.WindowsVersion
          build_number = [int]$os.OsBuildNumber
          is_windows_11 = $os.WindowsProductName -like 'Windows 11*'
          is_windows_10 = $os.WindowsProductName -like 'Windows 10*'
      }
      $Ansible.Changed = $false
  register: windows_host_version_state

- name: Enable dark mode for Windows apps
  tags: [packages]
  ansible.windows.win_regedit:
    path: HKCU:\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize
    name: AppsUseLightTheme
    data: 0
    type: dword
  register: windows_apps_dark_mode_state
  when: windows_enable_dark_theme | default(false)

- name: Enable dark mode for Windows system surfaces
  tags: [packages]
  ansible.windows.win_regedit:
    path: HKCU:\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize
    name: SystemUsesLightTheme
    data: 0
    type: dword
  register: windows_system_dark_mode_state
  when: windows_enable_dark_theme | default(false)

- name: Hide Windows taskbar search box
  tags: [packages]
  ansible.windows.win_regedit:
    path: HKCU:\Software\Microsoft\Windows\CurrentVersion\Search
    name: SearchboxTaskbarMode
    data: 0
    type: dword
  register: windows_taskbar_search_state
  when: windows_hide_taskbar_search | default(false)

- name: Hide Windows 11 taskbar widgets
  tags: [packages]
  ansible.windows.win_regedit:
    path: HKCU:\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
    name: TaskbarDa
    data: 0
    type: dword
  register: windows_11_widgets_state
  when:
    - windows_hide_taskbar_widgets | default(false)
    - windows_host_version_state.result.is_windows_11 | default(false)

- name: Hide Windows 10 news and interests taskbar widget
  tags: [packages]
  ansible.windows.win_regedit:
    path: HKCU:\Software\Microsoft\Windows\CurrentVersion\Feeds
    name: ShellFeedsTaskbarViewMode
    data: 2
    type: dword
  register: windows_10_widgets_state
  when:
    - windows_hide_taskbar_widgets | default(false)
    - windows_host_version_state.result.is_windows_10 | default(false)

- name: Note when Windows shell settings may require sign out
  tags: [packages]
  ansible.builtin.debug:
    msg: >-
      Windows shell appearance settings changed. Sign out and back in, or restart explorer.exe,
      if taskbar or theme updates do not appear immediately.
  changed_when: false
  when: >-
    (windows_apps_dark_mode_state is changed)
    or (windows_system_dark_mode_state is changed)
    or (windows_taskbar_search_state is changed)
    or (windows_11_widgets_state is changed)
    or (windows_10_widgets_state is changed)

- name: Ensure winget is available on Windows host
  tags: [packages]
  ansible.windows.win_powershell:
    script: |
      $winget = Get-Command winget.exe -ErrorAction SilentlyContinue
      if ($null -eq $winget) {
          throw 'winget.exe is not available on the Windows host. Install App Installer or rerun the bootstrap script.'
      }
      $Ansible.Changed = $false

- name: Ensure WSL 2 is the default backend
  tags: [packages, services, wsl]
  ansible.windows.win_powershell:
    script: |
      $status = & wsl --status 2>$null
      if ($LASTEXITCODE -eq 0 -and $status -match 'Default Version:\s*2') {
          $Ansible.Changed = $false
          return
      }

      & wsl --set-default-version 2
      if ($LASTEXITCODE -ne 0) {
          throw 'Failed to set WSL default version to 2.'
      }

      $Ansible.Changed = $true

- name: Install Windows workstation applications with winget
  tags: [packages]
  ansible.windows.win_powershell:
    script: |
      $packageId = '{{ item.id }}'
      $packageName = '{{ item.name | default(item.id) }}'
      $installed = & winget list --id $packageId --exact --accept-source-agreements --disable-interactivity 2>$null
      if ($LASTEXITCODE -eq 0 -and $installed -match [regex]::Escape($packageId)) {
          $Ansible.Changed = $false
          return
      }

      & winget install --id $packageId --exact --silent --accept-package-agreements --accept-source-agreements --disable-interactivity
      if ($LASTEXITCODE -ne 0) {
          throw "Failed to install $packageName with winget"
      }

      $Ansible.Changed = $true
  loop: "{{ windows_winget_packages | default([]) }}"
  loop_control:
    label: "{{ item.id }}"

- name: Install VS Code WSL extensions on Windows host
  tags: [packages, vscode]
  ansible.windows.win_powershell:
    script: |
      $extensionId = '{{ item }}'
      $code = Get-Command code.cmd -ErrorAction SilentlyContinue
      if ($null -eq $code) {
          throw 'code.cmd is not available. Ensure Visual Studio Code is installed before managing extensions.'
      }

      $installedExtensions = & $code.Source --list-extensions
      if ($installedExtensions -contains $extensionId) {
          $Ansible.Changed = $false
          return
      }

      & $code.Source --install-extension $extensionId --force
      if ($LASTEXITCODE -ne 0) {
          throw "Failed to install VS Code extension $extensionId"
      }

      $Ansible.Changed = $true
  loop: "{{ windows_vscode_extensions | default([]) }}"
  loop_control:
    label: "{{ item }}"