name: Continuous Integration

on:
  push:
    branches:
    - master
  pull_request:

jobs:
  format:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v2
      - name: Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
          profile: minimal
          components: rustfmt
          default: true
      - name: Cargo cache
        uses: actions/cache@v2
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
          key: ${{ runner.os }}-cargo-rust_stable-${{ hashFiles('**/Cargo.toml') }}
      - name: Format
        uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all -- --check
  
  clippy-check:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v2
      - name: Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
          profile: minimal
          components: clippy
          default: true
      - name: Cargo cache
        uses: actions/cache@v2
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
          key: ${{ runner.os }}-cargo-rust_stable-${{ hashFiles('**/Cargo.toml') }}
      - name: Build cache
        uses: actions/cache@v2
        with:
          path: target
          key: ${{ runner.os }}-build-rust_stable-check-${{ hashFiles('**/Cargo.toml') }}
      - name: System dependencies
        run: sudo apt-get update; sudo apt-get install libudev-dev libgbm-dev libxkbcommon-dev libegl1-mesa-dev libwayland-dev libinput-dev libsystemd-dev libdbus-1-dev
      - name: Clippy Smithay
        uses: actions-rs/clippy-check@v1
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          args: --features "test_all_features" -- -D warnings
      - name: Clippy Anvil
        uses: actions-rs/clippy-check@v1
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          args: --manifest-path "./anvil/Cargo.toml" --features "test_all_features" -- -D warnings
  
  check-minimal:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v2
      - name: Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: nightly
          override: true
          profile: minimal
          default: true
      - name: Cargo cache
        uses: actions/cache@v2
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
          key: ${{ runner.os }}-cargo-rust_nightly-${{ hashFiles('**/Cargo.toml') }}
      - name: System dependencies
        run: sudo apt-get update; sudo apt-get install libudev-dev libgbm-dev libxkbcommon-dev libegl1-mesa-dev libwayland-dev libinput-dev libsystemd-dev libdbus-1-dev
      - name: Downgrade to minimal dependencies
        uses: actions-rs/cargo@v1
        with:
          command: update
          args: -Z minimal-versions
      - name: Update exceptions
        uses: actions-rs/cargo@v1
        with:
          command: update
          args: -p libdbus-sys -p calloop:0.6.1
      - name: Check
        uses: actions-rs/cargo@v1
        with:
          command: check
          args: --features "test_all_features"

  smithay-tests:
    needs:
      - format
      - clippy-check
    strategy:
      fail-fast: false
      matrix:
        features:
        - ''
        - backend_winit
        - backend_drm
        - backend_gbm
        - backend_egl
        - backend_libinput
        - backend_udev
        - backend_session
        - backend_session_logind
        - backend_session_libseat
        - renderer_gl
        - wayland_frontend
        - xwayland
        - default
        - test_all_features

    env:
      RUSTFLAGS: "-D warnings"

    runs-on: ubuntu-latest

    steps:
      - name: Checkout sources
        uses: actions/checkout@v2

      - name: Cargo cache
        uses: actions/cache@v2
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
          key: ${{ runner.os }}-cargo-rust_stable-${{ hashFiles('**/Cargo.toml') }}

      - name: Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
          default: true
          profile: minimal
      
      - name: System dependencies
        run: sudo apt-get update; sudo apt-get install libudev-dev libgbm-dev libxkbcommon-dev libegl1-mesa-dev libwayland-dev libinput-dev libsystemd-dev libdbus-1-dev

      - name: Build cache
        uses: actions/cache@v2
        with:
          path: target
          key: ${{ runner.os }}-build-rust_stable-smithay-feature_${{ matrix.features }}-${{ hashFiles('**/Cargo.toml') }}

      - name: Build and install Libseat
        if: matrix.features == 'backend_session_libseat'
        run: |
          sudo apt-get install meson ninja-build
          wget https://git.sr.ht/~kennylevinsen/seatd/archive/0.5.0.tar.gz -O libseat-source.tar.gz
          tar xf libseat-source.tar.gz
          cd seatd-0.5.0
          meson -Dbuiltin=enabled -Dserver=disabled -Dexamples=disabled -Dman-pages=disabled build .
          ninja -C build
          sudo meson install -C build

      - name: Test features
        uses: actions-rs/cargo@v1
        env:
          RUST_BACKTRACE: full
        with:
          command: test
          args: --no-default-features --features "${{ matrix.features }}"
  
  anvil-tests:
    needs:
      - format
      - clippy-check
      - smithay-tests
    strategy:
      fail-fast: false
      matrix:
        features:
        - ''
        - egl
        - winit
        - udev
        - logind
        - default
        - test_all_features

    env:
      RUSTFLAGS: "-D warnings"

    runs-on: ubuntu-latest

    steps:
      - name: Checkout sources
        uses: actions/checkout@v2

      - name: Cargo cache
        uses: actions/cache@v2
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
          key: ${{ runner.os }}-cargo-rust_stable-${{ hashFiles('**/Cargo.toml') }}

      - name: Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
          default: true
          profile: minimal

      - name: System dependencies
        run: sudo apt-get update; sudo apt-get install libudev-dev libgbm-dev libxkbcommon-dev libegl1-mesa-dev libwayland-dev libinput-dev libsystemd-dev libdbus-1-dev

      - name: Build cache
        uses: actions/cache@v2
        with:
          path: target
          key: ${{ runner.os }}-build-rust_stable-anvil-feature_${{ matrix.features }}-${{ hashFiles('**/Cargo.toml') }}

      - name: Test features
        uses: actions-rs/cargo@v1
        env:
          RUST_BACKTRACE: full
        with:
          command: test
          args: --manifest-path "./anvil/Cargo.toml" --no-default-features --features "${{ matrix.features }}"

  anvil-wlcs:
    needs:
      - format
      - clippy-check
      - smithay-tests
      - anvil-tests

    env:
      RUSTFLAGS: "-D warnings"

    runs-on: ubuntu-latest

    steps:
      - name: Checkout sources
        uses: actions/checkout@v2

      - name: Cargo cache
        uses: actions/cache@v2
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
          key: ${{ runner.os }}-cargo-rust_stable-${{ hashFiles('**/Cargo.toml') }}

      - name: Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
          default: true
          profile: minimal

      - name: System dependencies
        run: sudo apt-get update; sudo apt-get install libudev-dev libgbm-dev libxkbcommon-dev libegl1-mesa-dev libwayland-dev libinput-dev libsystemd-dev libdbus-1-dev

      - name: Build cache
        uses: actions/cache@v2
        with:
          path: target
          key: ${{ runner.os }}-build-rust_stable-wlcs-${{ hashFiles('**/Cargo.toml') }}

      - name: Build WLCS plugin
        uses: actions-rs/cargo@v1
        env:
          RUST_BACKTRACE: full
        with:
          command: build
          args: --manifest-path "./wlcs_anvil/Cargo.toml"