name: NixOS Configuration Check

on:
  push:
    branches:
      - main
  pull_request:

jobs:
  nixos-check:
    runs-on: ubuntu-latest
    steps:
      - name: Check out repository
        uses: actions/checkout@v4

      - name: Install Nix
        uses: cachix/install-nix-action@v22

      - name: Show Nix version
        run: nix --version

      - name: Run nix flake check
        run: nix flake check

      - name: Attempt to build configuration (optional)
        run: |
          nix build .#nixosConfigurations.desktop.config.system.build.toplevel
          nix build .#nixosConfigurations.laptop.config.system.build.toplevel
          nix build .#nixosConfigurations.vm.config.system.build.toplevel