ci.yml

name: CI/CD Pipeline

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

jobs:
  build-and-test:
    name: Build & Test
    runs-on: ubuntu-latest

    steps:
    - name: Checkout repository
      uses: actions/checkout@v4
      with:
        fetch-depth: 0  # Full history for better analysis

    - name: Setup .NET
      uses: actions/setup-dotnet@v4
      with:
        dotnet-version: '9.0.x'

    - name: Restore dependencies
      run: dotnet restore OpenFairway.sln

    - name: Build solution
      run: dotnet build OpenFairway.sln --configuration Release --no-restore

    - name: Run rollout physics tests
      run: dotnet test --filter "Category=RolloutPhysics" --configuration Release --no-build --verbosity normal --logger "trx;LogFileName=test-results.trx"

    - name: Upload test results
      uses: actions/upload-artifact@v4
      if: always()
      with:
        name: test-results
        path: '**/test-results.trx'
        retention-days: 30

    - name: Test Summary
      run: |
        echo "✅ Rollout Physics Tests Passed"
        echo ""
        echo "Note: Other tests require Godot runtime and must be run locally."
        echo "Run locally: dotnet test OpenFairway.sln"

  code-quality:
    name: Code Quality Checks
    runs-on: ubuntu-latest

    steps:
    - name: Checkout repository
      uses: actions/checkout@v4

    - name: Setup .NET
      uses: actions/setup-dotnet@v4
      with:
        dotnet-version: '9.0.x'

    - name: Restore dependencies
      run: dotnet restore OpenFairway.sln

    - name: Check C# code formatting
      run: dotnet format OpenFairway.sln --verify-no-changes --verbosity diagnostic --exclude addons

    - name: Run .NET code analyzers
      run: dotnet build OpenFairway.sln --configuration Release /p:TreatWarningsAsErrors=false /p:RunAnalyzers=true

  gdscript-lint:
    name: GDScript Linting
    runs-on: ubuntu-latest

    steps:
    - name: Checkout repository
      uses: actions/checkout@v4

    - name: Setup Python
      uses: actions/setup-python@v5
      with:
        python-version: '3.11'

    - name: Install gdlint
      run: pip install gdtoolkit

    - name: Run gdlint on project GDScript files
      run: |
        # Lint only project GDScript files (exclude third-party addons)
        find ./addons/openfairway -name "*.gd" -exec gdlint {} + || true
        find ./game -name "*.gd" -exec gdlint {} + || true
        find ./ui -name "*.gd" -exec gdlint {} + || true
        find ./utils -name "*.gd" -exec gdlint {} + || true
        find ./tcp -name "*.gd" -exec gdlint {} + || true
      continue-on-error: true  # Don't fail build on GDScript linting warnings

  check-physics-formulas:
    name: Physics Formula Validation
    runs-on: ubuntu-latest

    steps:
    - name: Checkout repository
      uses: actions/checkout@v4

    - name: Setup .NET
      uses: actions/setup-dotnet@v4
      with:
        dotnet-version: '9.0.x'

    - name: Restore dependencies
      run: dotnet restore OpenFairway.sln

    - name: Build solution
      run: dotnet build OpenFairway.sln --configuration Release --no-restore

    - name: Validate rollout physics formulas
      run: |
        echo "=== Validating Rollout Physics Formulas ==="
        dotnet test --filter "Category=RolloutPhysics" --configuration Release --no-build --logger "console;verbosity=detailed"

    - name: Check for physics regression
      run: |
        echo "=== Physics Formula Validation Summary ==="
        echo "✓ Velocity scaling curve (chip/bump/driver speeds)"
        echo "✓ Spin multiplier curve (1250-1750 RPM bump range)"
        echo "✓ Expected friction multipliers validated"
        echo ""
        echo "Expected values:"
        echo "  - Chip (2785 RPM @ 2.44 m/s): ×1.95"
        echo "  - Bump (1365 RPM @ 9.25 m/s): ×1.37"
        echo "  - Driver (1118 RPM @ 16 m/s): ×1.20-1.30"

  security-scan:
    name: Security Analysis
    runs-on: ubuntu-latest
    permissions:
      security-events: write

    steps:
    - name: Checkout repository
      uses: actions/checkout@v4

    - name: Run .NET security scanning
      uses: github/codeql-action/init@v3
      with:
        languages: csharp
        config-file: ./.github/codeql/codeql-config.yml

    - name: Setup .NET
      uses: actions/setup-dotnet@v4
      with:
        dotnet-version: '9.0.x'

    - name: Build for security analysis
      run: dotnet build OpenFairway.sln --configuration Release

    - name: Perform CodeQL Analysis
      uses: github/codeql-action/analyze@v3

  summary:
    name: CI Summary
    runs-on: ubuntu-latest
    needs: [build-and-test, code-quality, check-physics-formulas]
    if: always()

    steps:
    - name: Check job statuses
      run: |
        echo "=== CI Pipeline Summary ==="
        echo "Build & Test: ${{ needs.build-and-test.result }}"
        echo "Code Quality: ${{ needs.code-quality.result }}"
        echo "Physics Formulas: ${{ needs.check-physics-formulas.result }}"

        if [ "${{ needs.build-and-test.result }}" != "success" ] || \
           [ "${{ needs.code-quality.result }}" != "success" ] || \
           [ "${{ needs.check-physics-formulas.result }}" != "success" ]; then
          echo "❌ CI pipeline failed - check job outputs above"
          exit 1
        else
          echo "✅ All checks passed!"
        fi