name: C++ Runtime Compatibility Test

on:
  push:
  workflow_dispatch:

jobs:
  test-cpp-java-compatibility:
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-22.04, macos-latest]
    runs-on: ${{ matrix.os }}
    steps:
    - uses: actions/checkout@v4
      with:
        submodules: recursive

    - name: Set up JDK 17
      uses: actions/setup-java@v4
      with:
        java-version: '17'
        distribution: 'temurin'

    - name: Set up Node.js
      uses: actions/setup-node@v4
      with:
        node-version: '18'

    - name: Install build dependencies (Ubuntu)
      if: matrix.os == 'ubuntu-latest'
      run: |
        sudo apt-get update
        sudo apt-get install -y build-essential cmake

    - name: Install build dependencies (macOS)
      if: matrix.os == 'macos-latest'
      run: |
        brew install cmake

    - name: Cache Gradle packages
      uses: actions/cache@v4
      with:
        path: ~/.gradle/caches
        key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*') }}
        restore-keys: ${{ runner.os }}-gradle

    - name: Build spine-libgdx dependency
      working-directory: spine-libgdx
      run: ./gradlew build

    - name: Run C++ vs Java compatibility test
      working-directory: tests
      run: ./test.sh cpp -s spineboy -f

    - name: Show diff on failure
      if: failure()
      working-directory: tests
      run: |
        echo "=== Available output files ==="
        ls -la output/ || echo "No output directory"
        echo ""
        
        # Compare all JSON vs JSON pairs
        echo "=== DIFF: skeleton-data-java-json.json vs skeleton-data-cpp-json.json ==="
        if [ -f output/skeleton-data-java-json.json ] && [ -f output/skeleton-data-cpp-json.json ]; then
          diff -u output/skeleton-data-java-json.json output/skeleton-data-cpp-json.json || true
        else
          echo "Missing JSON skeleton-data files for comparison"
        fi
        echo ""
        
        echo "=== DIFF: skeleton-state-java-json.json vs skeleton-state-cpp-json.json ==="
        if [ -f output/skeleton-state-java-json.json ] && [ -f output/skeleton-state-cpp-json.json ]; then
          diff -u output/skeleton-state-java-json.json output/skeleton-state-cpp-json.json || true
        else
          echo "Missing JSON skeleton-state files for comparison"
        fi
        echo ""
        
        # Compare all SKEL vs SKEL pairs
        echo "=== DIFF: skeleton-data-java-skel.json vs skeleton-data-cpp-skel.json ==="
        if [ -f output/skeleton-data-java-skel.json ] && [ -f output/skeleton-data-cpp-skel.json ]; then
          diff -u output/skeleton-data-java-skel.json output/skeleton-data-cpp-skel.json || true
        else
          echo "Missing SKEL skeleton-data files for comparison"
        fi
        echo ""
        
        echo "=== DIFF: skeleton-state-java-skel.json vs skeleton-state-cpp-skel.json ==="
        if [ -f output/skeleton-state-java-skel.json ] && [ -f output/skeleton-state-cpp-skel.json ]; then
          diff -u output/skeleton-state-java-skel.json output/skeleton-state-cpp-skel.json || true
        else
          echo "Missing SKEL skeleton-state files for comparison"
        fi

    - name: Upload test artifacts on failure
      if: failure()
      uses: actions/upload-artifact@v4
      with:
        name: test-output-files-${{ matrix.os }}
        path: tests/output/
        retention-days: 7