name: CI

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

defaults:
  run:
    shell: bash --noprofile --norc -eo pipefail {0}

concurrency:
  group: ci-${{ github.event_name }}-${{ github.ref_name }}
  cancel-in-progress: true

jobs:
  build:
    name: ${{ matrix.name }}
    runs-on: ${{ matrix.runner }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - { name: Linux (x86_64), runner: ubuntu-latest, os: linux }
          - { name: Linux (ARM64), runner: ubuntu-24.04-arm, os: linux }
          - { name: macOS, runner: macos-latest, os: macos }
    steps:
      - uses: actions/checkout@v4

      - name: Install LLVM 22 (Linux)
        if: matrix.os == 'linux'
        run: |
          wget -qO- https://apt.llvm.org/llvm-snapshot.gpg.key \
            | sudo tee /etc/apt/trusted.gpg.d/apt.llvm.org.asc > /dev/null
          codename=$(lsb_release -cs)
          echo "deb http://apt.llvm.org/${codename}/ llvm-toolchain-${codename}-22 main" \
            | sudo tee /etc/apt/sources.list.d/llvm.list
          sudo apt-get update
          sudo apt-get install -y llvm-22-dev libclang-22-dev clang-22 cmake
          echo "LLVM_CONFIG=/usr/lib/llvm-22/bin/llvm-config" >> "$GITHUB_ENV"
          echo "/usr/lib/llvm-22/bin" >> "$GITHUB_PATH"
          /usr/lib/llvm-22/bin/llvm-config --version

      - name: Install LLVM 22 (macOS)
        if: matrix.os == 'macos'
        run: |
          brew install llvm@22
          LLVM_PREFIX="$(brew --prefix llvm@22)"
          echo "${LLVM_PREFIX}/bin" >> "$GITHUB_PATH"
          echo "LLVM_CONFIG=${LLVM_PREFIX}/bin/llvm-config" >> "$GITHUB_ENV"
          echo "LLVM_PREFIX=${LLVM_PREFIX}" >> "$GITHUB_ENV"
          "${LLVM_PREFIX}/bin/llvm-config" --version

      - name: Install Rust
        run: |
          rustup toolchain install 1.96 --profile minimal --component rustfmt,clippy
          rustup show

      - name: Cargo cache
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: cargo-${{ matrix.name }}-${{ hashFiles('Cargo.lock') }}

      - name: Build (release)
        run: cargo build --release -p jam

      - name: Format check
        run: cargo fmt --all --check

      - name: Clippy
        run: cargo clippy --workspace --all-targets

      - name: Unit tests
        run: cargo test --workspace

      # - name: Archive jam binary
      #   uses: actions/upload-artifact@v4
      #   with:
      #     name: jam-${{ matrix.name }}
      #     path: target/release/jam