ci.yml

name: CI

on:
  push:
    branches: [main, develop]
  pull_request:
    branches: [main]

jobs:
  build-and-test:
    strategy:
      fail-fast: false
      matrix:
        include:
          - os: ubuntu-latest
            arch: x86_64
            cmake_extra: ""
          - os: macos-latest
            arch: arm64
            cmake_extra: ""
          - os: windows-latest
            arch: x64
            cmake_extra: ""

    runs-on: ${{ matrix.os }}
    name: ${{ matrix.os }} (${{ matrix.arch }})

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 1

      - name: Install dependencies (Ubuntu)
        if: runner.os == 'Linux'
        run: sudo apt-get update && sudo apt-get install -y cmake

      - name: Configure CMake
        run: >
          cmake -B build
          -DCMAKE_BUILD_TYPE=Release
          -DTQ_BUILD_TESTS=ON
          -DTQ_BUILD_BENCH=ON
          -DTQ_BUILD_SERVER=ON
          ${{ matrix.cmake_extra }}

      - name: Build (Unix)
        if: runner.os != 'Windows'
        run: cmake --build build --config Release -j$(nproc 2>/dev/null || sysctl -n hw.ncpu)

      - name: Build (Windows)
        if: runner.os == 'Windows'
        run: cmake --build build --config Release -j $env:NUMBER_OF_PROCESSORS

      - name: Run tests
        run: ctest --test-dir build --output-on-failure --timeout 120 -C Release

      # 10-year position guard: fail CI if structural moats erode.
      # Runs on Linux only (POSIX shell). Checks single-header LOC/size,
      # zero-deps, papers count, honest correction track, PyPI presence.
      - name: 10-year position guard
        if: matrix.os == 'ubuntu-latest'
        shell: bash
        run: |
          chmod +x score.sh
          bash score.sh --position 2>&1 | tee /tmp/position.log
          # Extract dimension percentage; require >= 75%.
          pct=$(grep -E '^\s*position\s' /tmp/position.log | awk '{print $2}' | tr -d '%')
          echo "position dimension: ${pct}%"
          if [ -z "$pct" ]; then
            echo "could not parse position score"
            exit 1
          fi
          # bash arithmetic: integer compare
          if [ "${pct%.*}" -lt 75 ]; then
            echo "::error::Position dimension regressed below 75% (${pct}%)"
            exit 1
          fi

      - name: Upload test results
        if: failure()
        uses: actions/upload-artifact@v4
        with:
          name: test-results-${{ matrix.os }}-${{ matrix.arch }}
          path: build/Testing/
          retention-days: 7