name: Test Rust

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

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  changes:
    name: Paths filter
    runs-on: ubuntu-22.04
    outputs:
      src: ${{ steps.filter.outputs.src }}
    steps:
      - uses: actions/checkout@v3

      - uses: dorny/paths-filter@v2
        id: filter
        with:
          filters: |
            src:
              - '!(web/package.json|web/package-lock.json|web/packages/**|**.md)'

  build:
    needs: changes
    if: needs.changes.outputs.src == 'true'
    name: Test Rust ${{ matrix.rust_version }} / ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    continue-on-error: ${{ matrix.rust_version == 'nightly' || matrix.rust_version == 'beta' }}
    strategy:
      fail-fast: false
      matrix:
        rust_version: [stable]
        os: [ubuntu-22.04, windows-latest, macos-latest]
        include:
          - rust_version: nightly
            os: ubuntu-22.04
          - rust_version: beta
            os: ubuntu-22.04

    steps:
      - uses: actions/checkout@v3

      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          toolchain: ${{ matrix.rust_version }}
          components: rustfmt, clippy

      - name: Install Linux dependencies
        if: runner.os == 'Linux'
        run: |
          sudo apt-get update
          sudo apt install -y libasound2-dev libxcb-shape0-dev libxcb-xfixes0-dev libgtk-3-dev mesa-vulkan-drivers

      - name: Cache Cargo output
        uses: Swatinem/rust-cache@v2
        with:
          shared-key: "desktop"

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

      - name: Lint AS3 playerglobals 
        if: runner.os == 'Linux' && matrix.rust_version == 'stable'
        run: cargo run -p build_playerglobal -- lint

      - name: Check clippy
        # Don't fail the build for clippy on nightly, since we get a lot of false-positives
        run: cargo clippy --all --all-features --tests ${{ (matrix.rust_version != 'nightly' && '-- -D warnings') || '' }}

      - name: Check documentation
        run: cargo doc --no-deps --all-features
        env:
          RUSTDOCFLAGS: -D warnings

      - name: Run tests with image tests
        run: cargo test --all --locked --features imgtests
        env:
          XDG_RUNTIME_DIR: '' # dummy value, just to silence warnings about it missing

      - name: Upload images
        if: failure()
        uses: actions/upload-artifact@v3
        with:
          name: swf_images
          path: |
            tests*/**/actual*.png
            tests*/**/difference*.png

  check-required:
    needs: changes
    if: needs.changes.outputs.src == 'false'
    name: Test Rust ${{ matrix.rust_version }} / ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        rust_version: [stable]
        os: [ubuntu-22.04, windows-latest, macos-latest]
        include:
          - rust_version: nightly
            os: ubuntu-22.04
          - rust_version: beta
            os: ubuntu-22.04

    steps:
      - name: No-op
        run: echo noop