name: CI

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

env:
  CARGO_TERM_COLOR: always
  RUST_BACKTRACE: 1

jobs:
  test:
    name: Test - ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
        rust: [stable, beta]
        exclude:
          - os: windows-latest
            rust: beta
          - os: macos-latest
            rust: beta
    
    steps:
    - uses: actions/checkout@v4
    
    - name: Install Rust
      uses: dtolnay/rust-toolchain@master
      with:
        toolchain: ${{ matrix.rust }}
        components: rustfmt, clippy
    
    - name: Cache cargo registry
      uses: actions/cache@v4
      with:
        path: ~/.cargo/registry
        key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
    
    - name: Cache cargo index
      uses: actions/cache@v4
      with:
        path: ~/.cargo/git
        key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}
    
    - name: Cache cargo build
      uses: actions/cache@v4
      with:
        path: target
        key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}
    
    - name: Check formatting
      run: cargo fmt -- --check
    
    - name: Run clippy
      run: cargo clippy --all-features -- -D warnings
    
    - name: Build
      run: cargo build --verbose --all-features
    
    - name: Run tests
      run: cargo test --verbose --all-features
    
    - name: Build release
      run: cargo build --release --all-features
    
    - name: Run benchmarks (smoke test)
      run: cargo bench --no-run

  coverage:
    name: Code Coverage
    runs-on: ubuntu-latest
    
    steps:
    - uses: actions/checkout@v4
    
    - name: Install Rust
      uses: dtolnay/rust-toolchain@stable
      with:
        components: llvm-tools-preview
    
    - name: Install cargo-llvm-cov
      uses: taiki-e/install-action@cargo-llvm-cov
    
    - name: Generate code coverage
      run: cargo llvm-cov --all-features --workspace --lcov --output-path lcov.info
    
    - name: Upload coverage to Codecov
      uses: codecov/codecov-action@v4
      with:
        files: lcov.info
        fail_ci_if_error: false

  security-audit:
    name: Security Audit
    runs-on: ubuntu-latest
    
    steps:
    - uses: actions/checkout@v4
    
    - name: Run cargo audit
      uses: actions-rs/audit-check@v1
      with:
        token: ${{ secrets.GITHUB_TOKEN }}