ci.yml

name: CI

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

jobs:
  build-and-test:
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest]
        compiler: [gcc, clang]
        exclude:
          - os: macos-latest
            compiler: gcc
    runs-on: ${{ matrix.os }}

    steps:
      - uses: actions/checkout@v4

      - name: Set compiler
        run: |
          if [ "${{ matrix.compiler }}" = "gcc" ]; then
            echo "CC=gcc" >> $GITHUB_ENV
          else
            echo "CC=clang" >> $GITHUB_ENV
          fi

      - name: Build (release)
        run: make release

      - name: Run tests
        continue-on-error: true
        run: make clean && make test

      - name: Check library size
        run: |
          if [ -f build/libr8e.a ]; then
            size=$(wc -c < build/libr8e.a | tr -d ' ')
            echo "Library size: ${size} bytes ($(( size / 1024 ))KB)"
            if [ "$size" -gt 200000 ]; then
              echo "::warning::Library size exceeds 200KB target"
            fi
          else
            echo "::error::build/libr8e.a not found"
            exit 1
          fi

      - name: Check for compiler warnings (-Werror)
        continue-on-error: true
        run: |
          make clean
          make release CFLAGS_EXTRA="-Werror"

      - name: Report library size in summary
        run: |
          if [ -f build/libr8e.a ]; then
            size=$(wc -c < build/libr8e.a | tr -d ' ')
            echo "### Build: ${{ matrix.os }} / ${{ matrix.compiler }}" >> $GITHUB_STEP_SUMMARY
            echo "Library size: **$(( size / 1024 ))KB** (${size} bytes)" >> $GITHUB_STEP_SUMMARY
          fi

  build-size-optimized:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Build (size optimized)
        run: make size

      - name: Report library size
        run: |
          if [ -f build/libr8e.a ]; then
            size=$(wc -c < build/libr8e.a | tr -d ' ')
            echo "Size-optimized library: ${size} bytes ($(( size / 1024 ))KB)"
            echo "### Binary Size" >> $GITHUB_STEP_SUMMARY
            echo "| Build | Size |" >> $GITHUB_STEP_SUMMARY
            echo "|-------|------|" >> $GITHUB_STEP_SUMMARY
            echo "| Size-optimized (libr8e.a) | **$(( size / 1024 ))KB** (${size} bytes) |" >> $GITHUB_STEP_SUMMARY
          else
            echo "::error::build/libr8e.a not found"
            exit 1
          fi