name: validation jobs

on:
  merge_group:
  pull_request:
  push:
    branches:
      - main
      - release-*

concurrency:
  group: ${{github.workflow}}-${{github.ref}}
  cancel-in-progress: ${{github.event_name == 'pull_request'}}

env:
  CARGO_TERM_COLOR: always
  # If nightly is breaking CI, modify this variable to target a specific nightly version.
  NIGHTLY_TOOLCHAIN: nightly

jobs:
  build-and-install-on-iOS:
    if: ${{ github.event_name == 'merge_group' }}
    runs-on: macos-latest
    timeout-minutes: 30
    steps:
      - uses: actions/checkout@v4

      - uses: dtolnay/rust-toolchain@stable

      - uses: actions/cache@v4
        with:
          path: |
            target
          key: ${{ runner.os }}-ios-install-${{ matrix.toolchain }}-${{ hashFiles('**/Cargo.lock') }}

      # TODO: remove x86 target once it always run on arm GitHub runners
      - name: Add iOS targets
        run: rustup target add aarch64-apple-ios x86_64-apple-ios aarch64-apple-ios-sim

      - name: Build and install iOS app in iOS Simulator.
        run: cd examples/mobile && make install

  build-android:
    if: ${{ github.event_name == 'merge_group' }}
    runs-on: ubuntu-latest
    timeout-minutes: 30
    steps:
      - uses: actions/checkout@v4

      - uses: dtolnay/rust-toolchain@stable

      - name: Set up JDK 17
        uses: actions/setup-java@v4
        with:
          java-version: '17'
          distribution: 'temurin'

      - uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
          key: ${{ runner.os }}-cargo-build-android-${{ hashFiles('**/Cargo.toml') }}

      - name: Install Android targets
        run: rustup target add aarch64-linux-android

      - name: Install Cargo NDK
        run: cargo install --force cargo-ndk

      - name: Build .so file
        run: cargo ndk -t arm64-v8a -o android_example/app/src/main/jniLibs build --package bevy_mobile_example

      - name: Build app for Android
        run: cd examples/mobile/android_example && chmod +x gradlew && ./gradlew build

  run-examples-linux-vulkan:
    # also run when pushed to main to update reference screenshots
    if: ${{ github.event_name != 'pull_request' }}
    runs-on: ubuntu-22.04
    timeout-minutes: 30
    steps:
      - uses: actions/checkout@v4
      - name: Install Linux dependencies
        uses: ./.github/actions/install-linux-deps
      # At some point this may be merged into `install-linux-deps`, but for now it is its own step.
      - name: Install additional Linux dependencies for Vulkan
        run: |
          sudo add-apt-repository ppa:kisak/turtle -y
          sudo apt-get install --no-install-recommends libxkbcommon-x11-0 xvfb libegl1-mesa libgl1-mesa-dri libxcb-xfixes0-dev mesa-vulkan-drivers
      - uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
          key: ${{ runner.os }}-cargo-run-examples-${{ hashFiles('**/Cargo.toml') }}
      - uses: dtolnay/rust-toolchain@stable
      - name: Build bevy
        # this uses the same command as when running the example to ensure build is reused
        run: |
          TRACE_CHROME=trace-alien_cake_addict.json CI_TESTING_CONFIG=.github/example-run/alien_cake_addict.ron cargo build --example alien_cake_addict --features "bevy_ci_testing,trace,trace_chrome"
      - name: Run examples
        run: |
          for example in .github/example-run/*.ron; do
            example_name=`basename $example .ron`
            echo -n $example_name > last_example_run
            echo "running $example_name - "`date`
            time TRACE_CHROME=trace-$example_name.json CI_TESTING_CONFIG=$example xvfb-run cargo run --example $example_name --features "bevy_ci_testing,trace,trace_chrome"
            sleep 10
            if [ `find ./ -maxdepth 1 -name 'screenshot-*.png' -print -quit` ]; then
              mkdir screenshots-$example_name
              mv screenshot-*.png screenshots-$example_name/
            fi
          done
          mkdir traces && mv trace*.json traces/
          mkdir screenshots && mv screenshots-* screenshots/
      - name: save traces
        uses: actions/upload-artifact@v4
        with:
          name: example-traces-linux
          path: traces
      - name: save screenshots
        uses: actions/upload-artifact@v4
        with:
          name: screenshots-linux
          path: screenshots
      - uses: actions/upload-artifact@v4
        if: ${{ failure() && github.event_name == 'pull_request' }}
        with:
          name: example-run-linux
          path: example-run/

  compare-linux-screenshots:
    name: Compare Linux screenshots
    needs: [run-examples-linux-vulkan]
    uses: ./.github/workflows/send-screenshots-to-pixeleagle.yml
    with:
      commit: ${{ github.sha }}
      branch: ${{ github.ref_name }}
      artifact: screenshots-linux
      os: linux
    secrets: inherit

  run-examples-on-windows-dx12:
    # also run when pushed to main to update reference screenshots
    if: ${{ github.event_name != 'pull_request' }}
    runs-on: windows-latest
    timeout-minutes: 30
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - name: Build bevy
        shell: bash
        # this uses the same command as when running the example to ensure build is reused
        run: |
          WGPU_BACKEND=dx12 TRACE_CHROME=trace-alien_cake_addict.json CI_TESTING_CONFIG=.github/example-run/alien_cake_addict.ron cargo build --example alien_cake_addict --features "bevy_ci_testing,trace,trace_chrome"
      - name: Run examples
        shell: bash
        run: |
          for example in .github/example-run/*.ron; do
            example_name=`basename $example .ron`
            echo -n $example_name > last_example_run
            echo "running $example_name - "`date`
            time WGPU_BACKEND=dx12 TRACE_CHROME=trace-$example_name.json CI_TESTING_CONFIG=$example cargo run --example $example_name --features "bevy_ci_testing,trace,trace_chrome"
            sleep 10
            if [ `find ./ -maxdepth 1 -name 'screenshot-*.png' -print -quit` ]; then
              mkdir screenshots-$example_name
              mv screenshot-*.png screenshots-$example_name/
            fi
          done
          mkdir traces && mv trace*.json traces/
          mkdir screenshots && mv screenshots-* screenshots/
      - name: save traces
        uses: actions/upload-artifact@v4
        with:
          name: example-traces-windows
          path: traces
      - name: save screenshots
        uses: actions/upload-artifact@v4
        with:
          name: screenshots-windows
          path: screenshots
      - uses: actions/upload-artifact@v4
        if: ${{ failure() && github.event_name == 'pull_request' }}
        with:
          name: example-run-windows
          path: example-run/

  compare-windows-screenshots:
    name: Compare Windows screenshots
    needs: [run-examples-on-windows-dx12]
    uses: ./.github/workflows/send-screenshots-to-pixeleagle.yml
    with:
      commit: ${{ github.sha }}
      branch: ${{ github.ref_name }}
      artifact: screenshots-windows
      os: windows
    secrets: inherit

  run-examples-on-wasm:
    if: ${{ github.event_name == 'merge_group' }}
    runs-on: ubuntu-22.04
    timeout-minutes: 60
    steps:
      - uses: actions/checkout@v4

      - uses: dtolnay/rust-toolchain@stable
        with:
          target: wasm32-unknown-unknown

      - uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            ~/.github/start-wasm-example/node_modules
            target/
          key: ${{ runner.os }}-wasm-run-examples-${{ hashFiles('**/Cargo.toml') }}

      - name: install xvfb, llvmpipe and lavapipe
        run: |
          sudo apt-get update -y -qq
          sudo add-apt-repository ppa:kisak/turtle -y
          sudo apt-get update
          sudo apt install -y xvfb libegl1-mesa libgl1-mesa-dri libxcb-xfixes0-dev mesa-vulkan-drivers

      - name: Install wasm-bindgen
        run: cargo install --force wasm-bindgen-cli

      - name: Setup playwright
        run: |
          cd .github/start-wasm-example
          npm install
          npx playwright install --with-deps
          cd ../..

      - name: First Wasm build
        run: |
          cargo build --release --example ui --target wasm32-unknown-unknown

      - name: Run examples
        shell: bash
        run: |
          # start a webserver
          python3 -m http.server --directory examples/wasm &

          xvfb-run cargo run -p build-wasm-example -- --browsers chromium --browsers firefox --frames 25 --test 2d_shapes lighting text_debug breakout

      - name: Save screenshots
        uses: actions/upload-artifact@v4
        with:
          name: screenshots-wasm
          path: .github/start-wasm-example/screenshot-*.png

  build-without-default-features:
    if: ${{ github.event_name == 'merge_group' }}
    timeout-minutes: 30
    strategy:
      max-parallel: 1
      matrix:
        crate: [bevy_ecs, bevy_reflect, bevy]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - name: Install Linux dependencies
        uses: ./.github/actions/install-linux-deps
      - name: Build
        run: cargo build -p ${{ matrix.crate }} --no-default-features
        env:
          CARGO_INCREMENTAL: 0
          RUSTFLAGS: "-C debuginfo=0 -D warnings"

  build-without-default-features-status:
    if: |
      always() &&
      github.event_name == 'merge_group'
    needs: build-without-default-features
    runs-on: ubuntu-latest
    steps:
      - name: Successful
        if: ${{ !(contains(needs.*.result, 'failure')) }}
        run: exit 0
      - name: Failing
        if: ${{ contains(needs.*.result, 'failure') }}
        run: exit 1

  check-unused-dependencies:
    if: ${{ github.event_name == 'merge_group' }}
    runs-on: ubuntu-latest
    timeout-minutes: 30
    steps:
      - uses: actions/checkout@v4
      - uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
          key: ${{ runner.os }}-cargo-check-unused-dependencies-${{ hashFiles('**/Cargo.toml') }}
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ env.NIGHTLY_TOOLCHAIN }}
      - name: Installs cargo-udeps
        run: cargo install --force cargo-udeps
      - name: Install Linux dependencies
        uses: ./.github/actions/install-linux-deps
      - name: Run cargo udeps
        run: cargo udeps

  check-example-showcase-patches-still-work:
    if: ${{ github.event_name == 'merge_group' }}
    runs-on: ubuntu-latest
    timeout-minutes: 30
    steps:
      - uses: actions/checkout@v4
      - uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
          key: ${{ runner.os }}-cargo-check-showcase-patches-${{ hashFiles('**/Cargo.toml') }}
      - uses: dtolnay/rust-toolchain@stable
      - name: Install Linux dependencies
        uses: ./.github/actions/install-linux-deps
      - name: Apply patches
        run: |
          CODE=0
          for patch in tools/example-showcase/*.patch; do
            # Try applying the patch, logging an error if it fails.
            git apply --ignore-whitespace $patch || { echo "::error::$patch failed to apply."; CODE=1; }
          done
          exit $CODE
      - name: Build with patches
        run: cargo build