name: C++ Tests

on:
  push:
    branches:
      - main
      - dev
      - "claude/**"
      - "feature/**"
  pull_request:

# ─────────────────────────────────────────────────────────────────────────────
# Job 1 — test-fast
#   Pure-math tests (Clausen, ImLi₂, Hyper-ideal geometry).
#   No CGAL, no Boost. Eigen + GTest only. Runs on ALL branches.
# ─────────────────────────────────────────────────────────────────────────────
jobs:
  test-fast:
    runs-on: eulernest
    container:
      image: git.eulernest.eu/conformallab/ci-cpp:latest

    steps:
      - uses: actions/checkout@v4

      - name: Configure (tests-only)
        run: cmake -S code -B build -DCMAKE_BUILD_TYPE=Release

      - name: Build
        run: nice -n 19 cmake --build build --target conformallab_tests -j$(nproc)

      - name: Run tests
        run: >
          ctest --test-dir build
          --output-on-failure
          --output-junit test-results.xml

      - name: Summary
        if: always()
        run: |
          if [ -f test-results.xml ]; then
            total=$(grep -o 'tests="[0-9]*"'     test-results.xml | grep -o '[0-9]*' | head -1)
            failed=$(grep -o 'failures="[0-9]*"' test-results.xml | grep -o '[0-9]*' | head -1)
            skipped=$(grep -o 'skipped="[0-9]*"' test-results.xml | grep -o '[0-9]*' | head -1)
            passed=$(( ${total:-0} - ${failed:-0} - ${skipped:-0} ))
            echo "FAST  ▸ TOTAL ${total:-0} | PASSED $passed | FAILED ${failed:-0} | SKIPPED ${skipped:-0}"
          fi

# ─────────────────────────────────────────────────────────────────────────────
# Job 2 — test-cgal
#   Full CGAL test suite (Phase 3–7, 158 tests).
#   Runs ONLY on pull requests (not on direct pushes to dev/main).
#   Starts only after test-fast succeeds.
#
#   Uses -DWITH_CGAL_TESTS=ON (not -DWITH_CGAL=ON) to avoid building
#   Viewer/GLFW — the CI container has no wayland-scanner.
#
#   Boost (libboost-dev) is already present in the container since the image rebuild.
# ─────────────────────────────────────────────────────────────────────────────
  test-cgal:
    needs: test-fast
    if: github.event_name == 'pull_request'
    runs-on: eulernest
    container:
      image: git.eulernest.eu/conformallab/ci-cpp:latest
      options: "--memory=1400m --memory-swap=1400m"

    steps:
      - uses: actions/checkout@v4

      - name: Configure (WITH_CGAL_TESTS — no viewer, no wayland-scanner)
        run: cmake -S code -B build -DWITH_CGAL_TESTS=ON -DCMAKE_BUILD_TYPE=Release

      - name: Build CGAL-Tests
        run: nice -n 19 cmake --build build --target conformallab_cgal_tests -j2

      - name: Run CGAL-Tests
        run: >
          ctest --test-dir build
          -R "^cgal\."
          --output-on-failure
          --output-junit cgal-results.xml

      - name: Summary
        if: always()
        run: |
          if [ -f cgal-results.xml ]; then
            total=$(grep -o 'tests="[0-9]*"'     cgal-results.xml | grep -o '[0-9]*' | head -1)
            failed=$(grep -o 'failures="[0-9]*"' cgal-results.xml | grep -o '[0-9]*' | head -1)
            skipped=$(grep -o 'skipped="[0-9]*"' cgal-results.xml | grep -o '[0-9]*' | head -1)
            passed=$(( ${total:-0} - ${failed:-0} - ${skipped:-0} ))
            echo "CGAL  ▸ TOTAL ${total:-0} | PASSED $passed | FAILED ${failed:-0} | SKIPPED ${skipped:-0}"
          fi