ci.yml

name: CI

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

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

env:
  RUST_BACKTRACE: 1

jobs:

  ################
  # Pull Request #
  ################

  pr:
    if: ${{ github.event_name == 'pull_request' }}
    needs:
      - build
      - build-linux
      - clippy
      - dartanalyze
      - dartfmt
      - ktfmt
      - rustdoc
      - rustfmt
      - swiftformat
      - test-flutter
    runs-on: ubuntu-latest
    steps:
      - run: true




  ##########################
  # Linting and formatting #
  ##########################

  clippy:
    strategy:
      fail-fast: false
      matrix:
        platform:
          - linux
          - macos
          - windows
    runs-on: ${{ (matrix.platform == 'linux' &&   'ubuntu-latest')
              || (matrix.platform == 'windows' && 'windows-latest')
              ||                                  'macos-latest' }}
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@v1
        with:
          toolchain: stable
          components: clippy

      - name: Install `${{ matrix.platform }}` platform dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y \
                       libgtk-3-dev libpulse-dev libudev-dev libxcomposite-dev \
                       libxdamage-dev libxfixes-dev libxrandr-dev libxtst-dev \
                       ninja-build
        if: ${{ matrix.platform == 'linux' }}

      - run: make cargo.lint

  dartanalyze:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: subosito/flutter-action@v2

      - run: flutter pub get

      - run: make flutter.analyze

  dartfmt:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: subosito/flutter-action@v2

      - run: flutter pub get

      - run: make flutter.fmt check=yes

  ktfmt:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-java@v3
        with:
          distribution: temurin
          java-version: 17

      - run: make kt.fmt check=yes

  rustfmt:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@v1
        with:
          toolchain: nightly
          components: rustfmt

      - run: make cargo.fmt check=yes

  swiftformat:
    runs-on: macos-latest
    steps:
      - uses: actions/checkout@v4
      - run: brew install swiftformat

      - run: make swift.fmt check=yes dockerized=no




  ############
  # Building #
  ############

  build:
    strategy:
      fail-fast: false
      matrix:
        platform:
          - macos
          - windows
    runs-on: ${{ (matrix.platform == 'windows' && 'windows-latest')
              || 'macos-11' }}
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@v1
        with:
          toolchain: stable
      - run: make rustup.targets only=${{ matrix.platform }}
      - uses: subosito/flutter-action@v2
      - run: flutter config --enable-${{ matrix.platform }}-desktop

      # Pin Xcode version for better compatibility.
      - uses: maxim-lobanov/setup-xcode@v1
        with:
          xcode-version: "12.4"
        if: ${{ matrix.platform == 'macos' }}

      - run: make cargo.build platform=${{ matrix.platform }} debug=no
      - run: make flutter.build platform=${{ matrix.platform }}

      - uses: actions/upload-artifact@v3
        with:
          name: build-${{ matrix.platform }}
          path: ${{ matrix.platform }}/rust/

  build-linux:
    name: build (linux)
    runs-on: ubuntu-latest
    # Pin glibc to 2.31 version for better compatibility.
    container: debian:bullseye
    steps:
      - uses: actions/checkout@v4
      - name: Install Linux platform dependencies
        run: |
          apt-get update
          apt-get install -y \
                  curl jq xz-utils git make clang libssl-dev cmake \
                  libgtk-3-dev libpulse-dev libudev-dev libxcomposite-dev \
                  libxdamage-dev libxfixes-dev libxrandr-dev libxtst-dev \
                  ninja-build
      - uses: dtolnay/rust-toolchain@v1
        with:
          toolchain: stable
      # Container doesn't pick `~` (tilde) in `PATH`.
      - run: echo "$HOME/.cargo/bin" >> $GITHUB_PATH
      - run: git config --global --add safe.directory '*'
      - run: make rustup.targets only=linux
      - uses: subosito/flutter-action@v2
      - run: flutter config --enable-linux-desktop

      - run: make cargo.build platform=linux debug=no
      - run: make flutter.build platform=linux

      - uses: actions/upload-artifact@v3
        with:
          name: build-linux
          path: linux/rust/




  ###########
  # Testing #
  ###########

  test-flutter:
    name: test (example, ${{ matrix.platform }})
    needs: ["build", "build-linux"]
    strategy:
      fail-fast: false
      matrix:
        platform:
          - android
          - ios
          - linux
          - macos
          - windows
    runs-on: ${{ (matrix.platform == 'linux' &&   'ubuntu-latest')
              || (matrix.platform == 'windows' && 'windows-latest')
              ||                                  'macos-13' }}
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@v1
        with:
          toolchain: stable
        if: ${{ matrix.platform != 'android'
             && matrix.platform != 'ios' }}
      - run: make rustup.targets only=${{ matrix.platform }}
        if: ${{ matrix.platform != 'android'
             && matrix.platform != 'ios' }}

      - uses: subosito/flutter-action@v2
      - run: flutter config --enable-${{ matrix.platform }}-desktop
        if: ${{ matrix.platform != 'android'
             && matrix.platform != 'ios' }}

      - name: Install `${{ matrix.platform }}` platform dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y \
                       cmake \
                       libgtk-3-dev liblzma-dev libpulse-dev libudev-dev \
                       ninja-build \
                       xvfb
        if: ${{ matrix.platform == 'linux' }}

      - run: make cargo.build debug=yes platform=${{ matrix.platform }}
        if: ${{ matrix.platform != 'android'
             && matrix.platform != 'ios' }}

      - name: Set up JDK 11
        uses: actions/setup-java@v3
        with:
          distribution: zulu
          java-version: 11
        if: ${{ matrix.platform == 'android' }}
      - name: Test on `${{ matrix.platform }}` platform with emulator
        uses: reactivecircus/android-emulator-runner@v2
        with:
          api-level: 24
          cores: 3
          target: google_apis
          arch: x86_64
          profile: Nexus 6
          script: make flutter.test.mobile
        if: ${{ matrix.platform == 'android' }}

      - name: Start iOS simulator
        id: simulator
        uses: futureware-tech/simulator-action@v2
        with:
          os_version: '>=13.0'
          os: iOS
        if: ${{ matrix.platform == 'ios' }}
      - name: Test on `${{ matrix.platform }}` platform with simulator
        run: make flutter.test.mobile device=${{ steps.simulator.outputs.udid }}
                                      debug=yes
        if: ${{ matrix.platform == 'ios' }}

      - name: Test on `${{ matrix.platform }}` platform with Xvfb
        run: xvfb-run -a make flutter.test.desktop device=${{ matrix.platform }}
        if: ${{ matrix.platform == 'linux' }}

      - name: Test on `${{ matrix.platform }}` platform
        run: make flutter.test.desktop device=${{ matrix.platform }}
        if: ${{ matrix.platform == 'macos'
             || matrix.platform == 'windows' }}




  #################
  # Documentation #
  #################

  rustdoc:
    strategy:
      fail-fast: false
      matrix:
        platform:
          - linux
          - macos
          - windows
    runs-on: ${{ (matrix.platform == 'linux' &&   'ubuntu-latest')
              || (matrix.platform == 'windows' && 'windows-latest')
              ||                                  'macos-latest' }}
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@v1
        with:
          toolchain: stable

      - name: Install `${{ matrix.platform }}` platform dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y \
                       libgtk-3-dev libpulse-dev libudev-dev libxcomposite-dev \
                       libxdamage-dev libxfixes-dev libxrandr-dev libxtst-dev \
                       ninja-build
        if: ${{ matrix.platform == 'linux' }}

      - run: make cargo.doc




  #############
  # Releasing #
  #############

  release-dart:
    name: dart pub publish (pub.dev)
    if: ${{ startsWith(github.ref, 'refs/tags/')
         || github.ref_name == 'main'
         || (github.event_name == 'pull_request'
             && github.event.pull_request.head.repo.owner.login == 'instrumentisto') }}
    needs:
      - build
      - build-linux
      - clippy
      - dartanalyze
      - dartfmt
      - ktfmt
      - rustdoc
      - rustfmt
      - swiftformat
      - test-flutter
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 2  # for PRs only

      - name: Parse pubspec version
        id: pubspec
        run: echo "version=$(grep -m1 'version:' pubspec.yaml | cut -d' ' -f2)"
             >> $GITHUB_OUTPUT
      - name: Parse release version
        id: release
        run: echo "version=${GITHUB_REF#refs/tags/}"
             >> $GITHUB_OUTPUT
        if: ${{ startsWith(github.ref, 'refs/tags/') }}
      - name: Verify release version matches pubspec version
        run: |
          test "${{ steps.release.outputs.version }}" \
            == "${{ steps.pubspec.outputs.version }}"
        if: ${{ startsWith(github.ref, 'refs/tags/') }}

      - name: Retrieve commit message and hash
        id: commit
        run: |
          echo "message=$(git log --grep='\[publish\]' --format=%s)" \
          >> $GITHUB_OUTPUT
          echo "sha=${{ (github.event_name == 'pull_request'
                         && github.event.pull_request.head.sha)
                     ||     github.sha }}" \
          >> $GITHUB_OUTPUT
      - name: Check whether should be skipped
        id: skip
        run: echo "no=${{ !(
               (!startsWith(github.ref, 'refs/tags/')
                && !contains(steps.pubspec.outputs.version, '-'))
               ||
               (github.event_name == 'pull_request'
                && !contains(steps.commit.outputs.message, '[publish]'))
             ) }}" >> $GITHUB_OUTPUT

      - uses: subosito/flutter-action@v2
        if: ${{ steps.skip.outputs.no == 'true' }}

      - uses: actions/download-artifact@v3
        with:
          name: build-linux
          path: linux/rust/
        if: ${{ steps.skip.outputs.no == 'true' }}
      - uses: actions/download-artifact@v3
        with:
          name: build-macos
          path: macos/rust/
        if: ${{ steps.skip.outputs.no == 'true' }}
      - uses: actions/download-artifact@v3
        with:
          name: build-windows
          path: windows/rust/
        if: ${{ steps.skip.outputs.no == 'true' }}

      - name: Append package version with commit SHA
        run: |
          sed -i "s/^version: \(.*\)$/version: \1+rev.${{ steps.commit.outputs.sha }}/g" \
              pubspec.yaml
        if: ${{ steps.skip.outputs.no == 'true'
             && !startsWith(github.ref, 'refs/tags/') }}

      - name: Login to pub.dev
        run: |
          echo "$PUB_CREDENTIALS" > ~/pub-credentials.json
          mkdir -p ${XDG_CONFIG_HOME:-${HOME:-default}}/dart/
          cp -f ~/pub-credentials.json \
                ${XDG_CONFIG_HOME:-${HOME:-default}}/dart/pub-credentials.json
        env:
          PUB_CREDENTIALS: ${{ secrets.PUBDEV_CREDS }}
        if: ${{ steps.skip.outputs.no == 'true' }}

      - run: flutter pub publish --force
        if: ${{ steps.skip.outputs.no == 'true' }}

      - name: Logout from pub.dev
        run: |
          rm -rf ~/pub-credentials.json \
                 ${XDG_CONFIG_HOME:-${HOME:-default}}/dart/pub-credentials.json
        if: ${{ always()
             && steps.skip.outputs.no == 'true' }}

  release-github:
    name: release (GitHub)
    if: ${{ startsWith(github.ref, 'refs/tags/') }}
    needs: ["release-dart"]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Parse release version
        id: release
        run: echo "version=${GITHUB_REF#refs/tags/}"
             >> $GITHUB_OUTPUT
      - name: Parse CHANGELOG link
        id: changelog
        run: echo "link=${{ github.server_url }}/${{ github.repository }}/blob/${{ steps.release.outputs.version }}/CHANGELOG.md#$(sed -n '/^## \[${{ steps.release.outputs.version }}\]/{s/^## \[\(.*\)\][^0-9]*\([0-9].*\)/\1--\2/;s/[^0-9a-z-]*//g;p;}' CHANGELOG.md)"
             >> $GITHUB_OUTPUT

      - name: Create GitHub release
        uses: softprops/action-gh-release@v1
        with:
          name: ${{ steps.release.outputs.version }}
          body: |
            [pub.dev](https://pub.dev/packages/medea_flutter_webrtc/versions/${{ steps.release.outputs.version }})
            [Changelog](${{ steps.changelog.outputs.link }})
          prerelease: ${{ contains(steps.release.outputs.version, '-') }}