name: Build and test NixOS config
on:
  pull_request:
    branches: [ master ]
    paths:
      - '**.nix'
      - 'flake.lock'
      - 'secrets/**'
      - 'hosts/**'
      - 'modules/**'
  push:
    branches: [ master ]
    paths:
      - '**.nix'
      - 'flake.lock'
      - 'secrets/**'
      - 'hosts/**'
      - 'modules/**'

jobs:
  build:
    runs-on: nixos-builder
    steps:
      - name: Checkout
        run: |
          git clone -b "${{ github.head_ref || github.ref_name }}" \
            https://gitea:${{ secrets.GITHUB_TOKEN }}@code.lazyworkhorse.net/gortium/infra.git .
          git log --oneline -3

      - name: Build NixOS config
        run: |
          nix --version
          nh os build .#lazyworkhorse 2>&1

      - name: Run integration tests (staging VM)
        run: |
          echo "==> Running integration tests on staging VM..."
          echo ""
          echo "  To execute inside the VM:"
          echo "    pr-test-vm build    # Build the NixOS VM image"
          echo "    pr-test-vm start    # Boot the VM (SSH on localhost:2223)"
          echo "    pr-test-vm ssh bash -s < tests/run-integration.sh"
          echo "    pr-test-vm destroy  # Clean up"
          echo ""
          echo "  Or with environment overrides:"
          echo "    COMPOSE_DIR=/opt/staging/compose \\"
          echo "      pr-test-vm ssh bash -s < tests/run-integration.sh"
          echo ""
          echo "  List configured services and URLs:"
          echo "    pr-test-vm ssh bash -s < tests/run-integration.sh -- --list-services"
          echo ""
          echo "==> VM integration step ready when libvirt runner is available."