name: CI

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

jobs:
  build-and-test:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout code
      uses: actions/checkout@v4
      with:
        submodules: recursive

    - name: Install Rust nightly
      uses: dtolnay/rust-toolchain@nightly
      with:
        components: clippy, rustfmt

    - name: Cache cargo dependencies
      uses: actions/cache@v4
      with:
        path: |
          ~/.cargo/registry
          ~/.cargo/git
          target
        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
        restore-keys: |
          ${{ runner.os }}-cargo-

    - name: Build
      run: cargo build --all-targets

    - name: Clippy (deny warnings)
      run: cargo clippy --workspace --all-targets --all-features -- -D warnings

    - name: rustfmt (check only)
      run: cargo fmt --all --check

    - name: Run tests
      run: cargo test --all