name: build

on:
  # Manual only for now. Select the branch to build when dispatching:
  #   main -> APP_VERSION is the current git tag
  #   dev  -> APP_VERSION is the current commit hash
  # Both branches bake the portal API key from secrets.
  workflow_dispatch:

jobs:
  nix-build:
    runs-on: runner-ct
    steps:
      # actions/checkout@v4 is unreliable on host-mode runners (its files are
      # copied into the workspace instead of the repo), so clone explicitly.
      # A full clone (no --depth) is required so `git describe --tags` on main
      # resolves the real nearest tag instead of falling back to a hash.
      - name: Checkout
        run: |
          rm -rf ./* ./.[!.]* 2>/dev/null || true
          git config --global http.extraheader "Authorization: token ${{ github.token }}"
          git clone --branch "${{ gitea.ref_name }}" \
            "${{ gitea.server_url }}/${{ gitea.repository }}.git" .
          test -f flake.nix
          git log --oneline -1

      - name: Inspect workspace
        run: |
          pwd
          ls -la
          git rev-parse --show-toplevel 2>&1 || true
          git remote -v 2>&1 || true
          git describe --tags --always 2>&1 || true
          test -f flake.nix && echo "flake.nix present" || echo "NO flake.nix"

      # Compute the version string baked into the binary's Home footer:
      # main reports the git tag, dev reports the commit hash fingerprint.
      # The key stays in the build step's environment (never echoed).
      - name: Compute version
        id: version
        run: |
          if [ "${{ gitea.ref_name }}" = "main" ]; then
            APP_VERSION="$(git describe --tags --always)"
          else
            APP_VERSION="$(git rev-parse --short HEAD)"
          fi
          echo "APP_VERSION=$APP_VERSION" >> "$GITHUB_ENV"
          echo "Branch: ${{ gitea.ref_name }} -> APP_VERSION=$APP_VERSION"
          if [ -n "${{ secrets.RWT_API_KEY }}" ]; then
            echo "API key: provided via secret RWT_API_KEY"
          else
            echo "API key: NOT set (build proceeds without an Authorization header)"
          fi

      # checks is keyed per-system (checks.<system>.default); nix build's
      # #attr shorthand can't resolve it, so resolve the current system inline.
      # --impure lets the flake read APP_VERSION/API_KEY via builtins.getEnv
      # (pure evals always get the package defaults). The offline test suite
      # runs in the package's checkPhase.
      - name: Build + offline test suite
        env:
          API_KEY: ${{ secrets.RWT_API_KEY }}
        run: nix build -L ".#checks.$(nix eval --impure --raw --expr 'builtins.currentSystem').default" --impure

      - name: Live portal tests
        if: ${{ secrets.RWT_LIVE_API_KEY != '' }}
        env:
          RWT_LIVE_API_KEY: ${{ secrets.RWT_LIVE_API_KEY }}
          RWT_LIVE_ACCOUNT_EMAIL: ${{ secrets.RWT_LIVE_ACCOUNT_EMAIL }}
          RWT_LIVE_LICENSE_EMAIL: ${{ secrets.RWT_LIVE_LICENSE_EMAIL }}
          RWT_LIVE_LICENSE_KEY: ${{ secrets.RWT_LIVE_LICENSE_KEY }}
        run: |
          nix develop --command bash -c '
            cmake -S . -B build -G Ninja -DCMAKE_BUILD_TYPE=Debug
            cmake --build build --target test_api_client test_license_service
            ./build/test_api_client
            ./build/test_license_service
          '