name: CI

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

concurrency:
  # Use github.run_id on main branch
  # Use github.event.pull_request.number on pull requests, so it's unique per pull request
  # Use github.ref on other branches, so it's unique per branch
  group: ${{ github.workflow }}-${{ github.ref == 'refs/heads/main' && github.run_id || github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

jobs:
  gn:
    strategy:
      # Set fail-fast to false to ensure that feedback is delivered for all matrix combinations. Consider changing this to true when your workflow is stable.
      fail-fast: false

      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]

    name: GN ${{ matrix.os }}
    runs-on: ${{ matrix.os }}

    steps:
    - name: Install Ubuntu build dependencies
      if: matrix.os == 'ubuntu-latest'
      run: |
        sudo apt update
        sudo apt install libgl-dev libx11-xcb-dev libxrandr-dev libxinerama-dev libxcursor-dev libxi-dev libxext-dev wayland-protocols libwayland-dev libxkbcommon-dev

    - name: Install depot_tools
      uses: newkdev/setup-depot-tools@v1.0.1

    - uses: actions/checkout@v3

    - name: Set reusable strings
      # Turn repeated input strings (such as the build output directory) into step outputs. These step outputs can be used throughout the workflow file.
      id: strings
      shell: bash
      run: |
        echo "build-output-dir=out/build" >> "$GITHUB_OUTPUT"

    - name: Set up checkout
      run: |
        cp ./scripts/standalone.gclient .gclient

    - name: gclient sync --no-history --shallow
      run: gclient sync --no-history --shallow
      env:
        DEPOT_TOOLS_WIN_TOOLCHAIN: 0

    - name: Set up sccache
      uses: mozilla-actions/sccache-action@v0.0.3

    - name: Generate build files
      shell: bash
      run: |
        mkdir -p ${{ steps.strings.outputs.build-output-dir }}
        cat << EOF >> ${{ steps.strings.outputs.build-output-dir }}/args.gn
        cc_wrapper="sccache"
        is_debug=false
        is_component_build=true
        is_clang=true
        EOF
        gn gen ${{ steps.strings.outputs.build-output-dir }}

      env:
        SCCACHE_GHA_ENABLED: "true"
        DEPOT_TOOLS_WIN_TOOLCHAIN: 0

    - name: Build
      run: autoninja -C ${{ steps.strings.outputs.build-output-dir }}
      env:
        SCCACHE_GHA_ENABLED: "true"
        DEPOT_TOOLS_WIN_TOOLCHAIN: 0

  cmake:
    strategy:
      # Set fail-fast to false to ensure that feedback is delivered for all matrix combinations. Consider changing this to true when your workflow is stable.
      fail-fast: false

      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
        build_type: [Debug, Release]
        c_compiler: [clang, cl]
        include:
          - os: windows-latest
            c_compiler: cl
            cpp_compiler: cl
          - os: ubuntu-latest
            c_compiler: clang
            cpp_compiler: clang++
          - os: macos-latest
            c_compiler: clang
            cpp_compiler: clang++
        exclude:
          - os: windows-latest
            c_compiler: clang
          - os: windows-latest
            c_compiler: cl
            build_type: Debug
          - os: ubuntu-latest
            c_compiler: cl
          - os: macos-latest
            c_compiler: cl

    name: CMake ${{ matrix.os }} ${{ matrix.build_type }} (${{ matrix.c_compiler }})
    runs-on: ${{ matrix.os }}

    steps:
    - uses: actions/checkout@v3

    - name: Set reusable strings
      # Turn repeated input strings (such as the build output directory) into step outputs. These step outputs can be used throughout the workflow file.
      id: strings
      shell: bash
      run: |
        echo "build-output-dir=${{ github.workspace }}/out/build" >> "$GITHUB_OUTPUT"

    - name: Install Ubuntu build dependencies
      if: matrix.os == 'ubuntu-latest'
      run: |
        sudo apt update
        sudo apt install libgl-dev libx11-xcb-dev libxrandr-dev libxinerama-dev libxcursor-dev libxi-dev libxext-dev wayland-protocols libwayland-dev libxkbcommon-dev

    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: 3.11

    - name: Fetch dependencies
      run: python ./tools/fetch_dawn_dependencies.py --use-test-deps --shallow

    - name: Set up Ninja
      uses: seanmiddleditch/gha-setup-ninja@master

    - name: Set up Visual Studio environment
      if: matrix.os == 'windows-latest'
      uses: seanmiddleditch/gha-setup-vsdevenv@master

    - name: Set up sccache
      uses: mozilla-actions/sccache-action@v0.0.3

    - name: Configure CMake
      run: >
        cmake -G Ninja -B ${{ steps.strings.outputs.build-output-dir }}
        -DCMAKE_CXX_COMPILER=${{ matrix.cpp_compiler }}
        -DCMAKE_C_COMPILER=${{ matrix.c_compiler }}
        -DCMAKE_BUILD_TYPE=${{ matrix.build_type }}
        -DCMAKE_C_COMPILER_LAUNCHER=sccache
        -DCMAKE_CXX_COMPILER_LAUNCHER=sccache
        -S ${{ github.workspace }}
      env:
        SCCACHE_GHA_ENABLED: "true"

    - name: Build
      run: cmake --build ${{ steps.strings.outputs.build-output-dir }} --config ${{ matrix.build_type }}
      env:
        SCCACHE_GHA_ENABLED: "true"

  golang:
    name: Go Build and Test
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3

    - name: Set up Go
      uses: actions/setup-go@v4
      with:
        go-version: '1.18'

    - name: Build
      run: go build -v ./...

    - name: Test
      run: go test -v ./...