---
# Helper playbook to create an ISO containing autounattend.xml
# This ISO can be mounted to the VM during installation
#
# Variables:
#   vm_name: Name of the VM (required, must match provision-vm.yml)
#
# Usage:
#   ansible-playbook create-autounattend-iso.yml -e vm_name=WEB01

- name: Create AutoUnattend ISO
  hosts: hyperv
  gather_facts: false

  vars:
    vm_path: "{{ vm_storage_path }}\\{{ vm_name }}"
    autounattend_path: "{{ vm_storage_path }}\\{{ vm_name }}\\autounattend.xml"
    autounattend_iso_path: "{{ vm_storage_path }}\\{{ vm_name }}\\autounattend.iso"

  tasks:
    - name: Validate required variables
      ansible.builtin.assert:
        that:
          - vm_name is defined
          - vm_name | length > 0
        fail_msg: "vm_name is required"

    - name: Check if autounattend.xml exists
      ansible.windows.win_stat:
        path: "{{ autounattend_path }}"
      register: autounattend_file

    - name: Verify autounattend.xml exists
      ansible.builtin.assert:
        that:
          - autounattend_file.stat.exists
        fail_msg: "AutoUnattend.xml not found at {{ autounattend_path }}. Run provision-vm.yml first."

    - name: Create ISO from autounattend.xml using oscdimg
      ansible.windows.win_shell: |
        # Use oscdimg from Windows ADK (if installed)
        # Otherwise, use PowerShell alternative

        $adkPath = "C:\Program Files (x86)\Windows Kits\10\Assessment and Deployment Kit\Deployment Tools\amd64\Oscdimg"
        $oscdimg = "$adkPath\oscdimg.exe"

        if (Test-Path $oscdimg) {
            # Create ISO using oscdimg
            & $oscdimg -m -n -b"$adkPath\efisys.bin" `
                "{{ vm_path }}" "{{ autounattend_iso_path }}"
        } else {
            # Alternative: Use PowerShell to create ISO (requires ImDisk or similar)
            # For now, provide instructions
            Write-Host "oscdimg not found. Windows ADK required for automated ISO creation."
            Write-Host ""
            Write-Host "Alternative methods:"
            Write-Host "1. Install Windows ADK: https://docs.microsoft.com/en-us/windows-hardware/get-started/adk-install"
            Write-Host "2. Use ImgBurn or similar tool manually"
            Write-Host "3. Mount autounattend.xml as secondary CD drive during install"
            Write-Host ""
            Write-Host "To mount as secondary drive:"
            Write-Host 'Add-VMDvdDrive -VMName "{{ vm_name }}" -Path "path\to\autounattend.iso"'
            exit 1
        }
      register: iso_create
      failed_when: iso_create.rc != 0 and iso_create.rc != 1

    - name: Check if ISO was created
      ansible.windows.win_stat:
        path: "{{ autounattend_iso_path }}"
      register: iso_file
      when: iso_create.rc == 0

    - name: Mount AutoUnattend ISO to VM
      ansible.windows.win_shell: |
        # Add a second DVD drive with the autounattend ISO
        Add-VMDvdDrive -VMName "{{ vm_name }}" -Path "{{ autounattend_iso_path }}"
      when:
        - iso_file is defined
        - iso_file.stat.exists | default(false)

    - name: Display results
      ansible.builtin.debug:
        msg:
          - "AutoUnattend ISO creation results:"
          - "Source: {{ autounattend_path }}"
          - "ISO: {{ autounattend_iso_path }}"
          - "Status: {{ 'Created and mounted' if (iso_file.stat.exists | default(false)) else 'Manual intervention required' }}"
          - ""
          - "If automatic creation failed:"
          - "1. Copy {{ autounattend_path }} to the root of a blank CD/ISO"
          - "2. Mount the ISO as a second DVD drive to the VM"
          - "3. Windows Setup will automatically detect and use it"