name: Lagom Template

on:
  workflow_call:
    inputs:
      toolchain:
        required: true
        type: string
      os_name:
        required: true
        type: string
      runner_labels:
        required: true
        type: string
      arch:
        required: true
        type: string
      build_preset:
        required: true
        type: string
      clang_plugins:
        required: false
        type: boolean
        default: false
      container:
        required: false
        type: string
        default: 'null'

env:
  # runner.workspace = /home/runner/work/ladybird
  # github.workspace = /home/runner/work/ladybird/ladybird
  LADYBIRD_SOURCE_DIR: ${{ github.workspace }}
  CCACHE_DIR: ${{ github.workspace }}/.ccache
  VCPKG_ROOT: ${{ github.workspace }}/Build/vcpkg

  # Use the compiler version for the ccache compiler hash. Otherwise, if plugins are enabled, the plugin .so files
  # are included in the hash. This results in clean builds on every run as the .so files are rebuilt.
  #
  # Note: This only works because our plugins do not transform any code. If that becomes untrue, we must revisit this.
  CCACHE_COMPILERCHECK: "%compiler% -v"

jobs:
  CI:
    runs-on: ${{ fromJSON(inputs.runner_labels) }}
    container: ${{ fromJSON(inputs.container) }}

    steps:
      # Pull requests can trail behind `master` and can cause breakage if merging before running the CI checks on an updated branch.
      # Luckily, GitHub creates and maintains a merge branch that is updated whenever the target or source branch is modified. By
      # checking this branch out, we gain a stabler `master` at the cost of reproducibility.
      - uses: actions/checkout@v7.0.0
        if: ${{ github.event_name != 'pull_request' }}

      - uses: actions/checkout@v7.0.0
        if: ${{ github.event_name == 'pull_request' }}
        with:
          ref: refs/pull/${{ github.event.pull_request.number }}/merge

      - name: Set Up Environment
        uses: ./.github/actions/setup
        id: 'setup'
        with:
          os: ${{ inputs.os_name }}
          arch: ${{ inputs.arch }}
          toolchain: ${{ inputs.toolchain }}

      # === PREPARE FOR BUILDING ===

      - name: Assign Build Parameters
        if: ${{ inputs.os_name != 'Windows' }}
        id: 'build-parameters'
        run: |
          CMAKE_OPTIONS="-DENABLE_CI_BASELINE_CPU=ON"
          if ${{ inputs.os_name == 'Linux' }} ; then
            # FIXME: https://github.com/WebAssembly/wabt/issues/2533
            #        wabt doesn't have binary releases for arm64 Linux
            if ${{ inputs.arch == 'arm64' }} ; then
              PKGCONFIG=$(which pkg-config)
              CMAKE_OPTIONS="$CMAKE_OPTIONS -DPKG_CONFIG_EXECUTABLE=$PKGCONFIG"
            fi

            if ${{ inputs.toolchain == 'Clang' }} ; then
              echo "host_cc=clang" >> "$GITHUB_OUTPUT"
              echo "host_cxx=clang++" >> "$GITHUB_OUTPUT"
            elif ${{ inputs.toolchain == 'GNU' }} ; then
              echo "host_cc=gcc" >> "$GITHUB_OUTPUT"
              echo "host_cxx=g++" >> "$GITHUB_OUTPUT"
            fi
          elif ${{ inputs.os_name == 'macOS' }} ; then
            echo "host_cc=$(xcrun --find clang)" >> "$GITHUB_OUTPUT"
            echo "host_cxx=$(xcrun --find clang++)" >> "$GITHUB_OUTPUT"
          fi

          if ${{ inputs.os_name == 'Linux' && inputs.build_preset == 'Sanitizer' }} ; then
            CMAKE_OPTIONS="$CMAKE_OPTIONS -DLADYBIRD_GUI_FRAMEWORK=Gtk"
          fi

          if ${{ inputs.clang_plugins }} ; then
            echo "ccache_key=${{ inputs.build_preset }}-CLANG_PLUGINS" >> "$GITHUB_OUTPUT"
            CMAKE_OPTIONS="$CMAKE_OPTIONS -DENABLE_CLANG_PLUGINS=ON"
          else
            echo "ccache_key=${{ inputs.build_preset }}" >> "$GITHUB_OUTPUT"
            CMAKE_OPTIONS="$CMAKE_OPTIONS -DINCLUDE_WASM_SPEC_TESTS=ON -DWASM_SPEC_TEST_SKIP_FORMATTING=ON"
          fi

          echo "cmake_options=$CMAKE_OPTIONS" >> "$GITHUB_OUTPUT"

      - name: Restore Caches
        uses: ./.github/actions/cache-restore
        id: 'cache-restore'
        with:
          os: ${{ inputs.os_name }}
          arch: ${{ inputs.arch }}
          toolchain: ${{ inputs.toolchain }}
          cache_key_extra: ${{ inputs.os_name == 'Windows' && inputs.build_preset || steps.build-parameters.outputs.ccache_key }}
          ccache_path: ${{ steps.setup.outputs.ccache_path }}
          vcpkg_cache_path: ${{ steps.setup.outputs.vcpkg_cache_path }}

      - name: Cache the WebAssembly spec test suite
        if: ${{ inputs.os_name != 'Windows' }}
        uses: actions/cache@v5
        with:
          path: ${{ github.workspace }}/caches/WasmSpecTests
          key: wasm-spec-test-suite | ${{ hashFiles('Meta/CMake/wasm_spec_tests.cmake') }}

      - name: Set dynamic environment variables
        if: ${{ inputs.os_name != 'Windows' }}
        run: |
          # Note: Required for vcpkg to use this compiler for its own builds.
          echo "CC=${{ steps.build-parameters.outputs.host_cc }}" >> "$GITHUB_ENV"
          echo "CXX=${{ steps.build-parameters.outputs.host_cxx }}" >> "$GITHUB_ENV"

      - name: Create Build Environment
        if: ${{ inputs.os_name != 'Windows' && inputs.build_preset != 'Fuzzers' }}
        working-directory: ${{ github.workspace }}
        env:
          VCPKG_CACHE_SAS: ${{ github.ref == 'refs/heads/master' && secrets.VCPKG_CACHE_SAS || '' }}
          VCPKG_CACHE_MODE: ${{ github.ref == 'refs/heads/master' && 'write' || '' }}
        run: |
          cmake --preset ${{ inputs.build_preset }} -B Build \
            ${{ steps.build-parameters.outputs.cmake_options }} \
            -DPython3_EXECUTABLE=${{ env.pythonLocation }}/bin/python \
            -DCMAKE_C_COMPILER=${{ steps.build-parameters.outputs.host_cc }} \
            -DCMAKE_CXX_COMPILER=${{ steps.build-parameters.outputs.host_cxx }}

      - name: Create Build Environment (Windows)
        if: ${{ inputs.os_name == 'Windows' }}
        working-directory: ${{ github.workspace }}
        env:
          VCPKG_CACHE_SAS: ${{ github.ref == 'refs/heads/master' && secrets.VCPKG_CACHE_SAS || '' }}
          VCPKG_CACHE_MODE: ${{ github.ref == 'refs/heads/master' && 'write' || '' }}
        run: |
          cmake --preset ${{ inputs.build_preset }} -B Build `
            -DENABLE_CI_BASELINE_CPU=ON

      - name: Create Build Environment (Fuzzers)
        if: ${{ inputs.build_preset == 'Fuzzers' }}
        working-directory: ${{ github.workspace }}
        env:
          VCPKG_CACHE_SAS: ${{ github.ref == 'refs/heads/master' && secrets.VCPKG_CACHE_SAS || '' }}
          VCPKG_CACHE_MODE: ${{ github.ref == 'refs/heads/master' && 'write' || '' }}
        run: |
          cmake --preset ${{ inputs.build_preset }} -B Build \
            ${{ steps.build-parameters.outputs.cmake_options }} \
            -DPython3_EXECUTABLE=${{ env.pythonLocation }}/bin/python \
            -DCMAKE_C_COMPILER=${{ steps.build-parameters.outputs.host_cc }} \
            -DCMAKE_CXX_COMPILER=${{ steps.build-parameters.outputs.host_cxx }}

      # === BUILD ===

      - name: Build
        working-directory: ${{ github.workspace }}/Build
        run: |
          cmake --build .
          cmake --install . --strip --prefix "${GITHUB_WORKSPACE}/Install"

      - name: Build with Qt
        if: ${{ (inputs.os_name == 'macOS' || inputs.os_name == 'Linux') && inputs.build_preset == 'Sanitizer' }}
        working-directory: ${{ github.workspace }}
        run: |
          cmake --preset ${{ inputs.build_preset }} -B Build -DLADYBIRD_GUI_FRAMEWORK=Qt
          cmake --build Build

      - name: Save Caches
        uses: ./.github/actions/cache-save
        with:
          arch: ${{ inputs.arch }}
          ccache_path: ${{ steps.setup.outputs.ccache_path }}
          ccache_primary_key: ${{ steps.cache-restore.outputs.ccache_primary_key }}
          vcpkg_cache_path: ${{ steps.setup.outputs.vcpkg_cache_path }}
          vcpkg_cache_primary_key: ${{ steps.cache-restore.outputs.vcpkg_cache_primary_key }}

      # === TEST ===

      - name: Start PulseAudio
        if: ${{ inputs.os_name == 'Linux' }}
        run: |
          echo "PULSE_SERVER=unix:/tmp/pulse-native" >> "$GITHUB_ENV"
          pulseaudio --system -D --exit-idle-time=1800 \
            --load="module-native-protocol-unix auth-anonymous=1 socket=/tmp/pulse-native" \
            --load="module-null-sink sink_name=virtual_sink"

      - name: Check new tests for flakiness
        if: ${{ github.event_name == 'pull_request' && inputs.build_preset == 'Sanitizer' && (inputs.os_name == 'Linux' || inputs.os_name == 'macOS') }}
        timeout-minutes: 30
        working-directory: ${{ github.workspace }}
        shell: bash
        run: |
          git fetch --no-tags --depth=1 origin ${{ github.event.pull_request.base.sha }}
          "${{ env.pythonLocation }}/bin/python" Meta/check-test-flakiness.py \
            --test-web-binary Build/bin/test-web \
            --base-ref ${{ github.event.pull_request.base.sha }} \
            --deadline-seconds 1200 \
            --python-executable "${{ env.pythonLocation }}/bin/python" \
            | tee -a "$GITHUB_STEP_SUMMARY"

      - name: Test
        if: ${{ inputs.build_preset == 'Sanitizer' }}
        working-directory: ${{ github.workspace }}
        run: ctest --preset ${{ inputs.build_preset }} --output-on-failure --test-dir Build --timeout 1800
        env:
          TESTS_ONLY: 1
          # NOTE: These are appended to the preset's options.
          ASAN_OPTIONS: 'log_path=asan.log'
          UBSAN_OPTIONS: 'log_path=ubsan.log'

      - name: Test
        if: ${{ inputs.build_preset != 'Fuzzers' && inputs.build_preset != 'All_Debug' && inputs.build_preset != 'Sanitizer' }}
        working-directory: ${{ github.workspace }}
        run: ctest --output-on-failure --test-dir Build --timeout 1800
        env:
          TESTS_ONLY: 1

      - name: Upload LibWeb Test Artifacts
        if: ${{ always() && inputs.build_preset != 'Fuzzers' && inputs.build_preset != 'All_Debug' }}
        uses: actions/upload-artifact@v7
        with:
          name: libweb-test-artifacts-${{ inputs.os_name }}-${{ inputs.arch }}-${{ inputs.build_preset }}-${{ inputs.toolchain }}-${{ inputs.clang_plugins }}
          path: |
            Build/Tests/LibWeb/test-web/test-dumps/
            Build/**/asan.log.*
            Build/**/ubsan.log.*
          retention-days: 0
          if-no-files-found: ignore

      - name: Sanitizer Output
        if: ${{ !cancelled() && inputs.os_name != 'Windows' && inputs.build_preset == 'Sanitizer' }}
        working-directory: ${{ github.workspace }}
        run: |
          log_output=$(find Build \( -name 'asan.log.*' -o -name 'ubsan.log.*' \) -exec cat {} \; )
          if [ -z "$log_output" ]; then
            echo "No sanitizer issues found."
          else
            echo "$log_output"
            echo "Sanitizer errors happened while running tests; see the Test step above."
          fi