name: Test Pull Request

on:
  pull_request:
    paths:
      - 'package.nix'
      - 'flake.nix'
      - 'flake.lock'
      - '.github/workflows/**'

jobs:
  test-build:
    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest]
    runs-on: ${{ matrix.os }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Install Nix
        uses: cachix/install-nix-action@v31
        with:
          nix_path: nixpkgs=channel:nixos-unstable
          extra_nix_config: |
            experimental-features = nix-command flakes
            access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
        env:
          NIX_FIRST_BUILD_UID: 400

      - name: Setup Nix cache
        uses: cachix/cachix-action@v15
        with:
          name: codex-cli
          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
          skipPush: true

      - name: Build package
        run: |
          nix build .#codex --print-build-logs
          
      - name: Test codex version
        run: |
          # Test that codex runs and reports version
          ./result/bin/codex --version
          
      - name: Verify package contents
        run: |
          test -f ./result/bin/codex

      - name: Run basic functionality test
        run: |
          ./result/bin/codex --help || true
          ./result/bin/codex --version 2>&1 | grep -E "codex|Codex"