name: clazy-report

on:
  workflow_dispatch:
  schedule:
    # Once every night
    - cron: "0 1 * * *"

env:
  VCPKG_BINARY_SOURCES: "clear;x-gha,readwrite"

jobs:
  ResInsight-clazy:
    runs-on: ubuntu-26.04
    steps:
      - name: Checkout
        uses: actions/checkout@v7
        with:
          submodules: true

      - name: Install Linux dependencies
        run: |
          sudo apt-get update --option="APT::Acquire::Retries=3"
          sudo apt-get install --option="APT::Acquire::Retries=3" libxkbcommon-x11-0 libgl1-mesa-dev mesa-common-dev libglfw3-dev libglu1-mesa-dev libhdf5-dev
          sudo apt-get install clang-tidy-19 clang-format-19 clang-19 llvm-19-dev libclang-19-dev ninja-build

      - name: Build clazy from source (against clang/llvm-19)
        # Ubuntu's packaged clazy is built against an older Clang that cannot
        # parse libstdc++-14's C++23 headers. Build clazy 1.15 (requires
        # Clang 19+) against the installed llvm-19 so it matches our compiler.
        run: |
          git clone --depth 1 --branch 1.15 https://github.com/KDE/clazy.git clazy-src
          cmake -S clazy-src -B clazy-build -G Ninja \
            -DCMAKE_BUILD_TYPE=Release \
            -DCMAKE_INSTALL_PREFIX="$HOME/clazy-install" \
            -DLLVM_ROOT=/usr/lib/llvm-19
          cmake --build clazy-build
          cmake --build clazy-build --target install
          echo "$HOME/clazy-install/bin" >> "$GITHUB_PATH"

      - name: Install Qt
        uses: CeetronSolutions/install-qt-action@bump-node24
        with:
          version: 6.7.0
          dir: "${{ github.workspace }}/Qt/"
          cache: true
          modules: "qtnetworkauth"

      - name: vcpkg bootstrap
        run: ThirdParty/vcpkg/bootstrap-vcpkg.sh

      - name: Get vcpkg submodule SHA
        id: vcpkg-sha
        shell: bash
        run: echo "sha=$(git rev-parse HEAD:ThirdParty/vcpkg)" >> $GITHUB_OUTPUT

      - name: Restore vcpkg cache
        id: vcpkg-cache
        # Restore only; saved after a successful configure so partial caches are never written.
        uses: actions/cache/restore@v6
        with:
          path: ${{ github.workspace }}/.vcpkg-cache
          key: vcpkg-${{ runner.os }}-clang-tidy-19-${{ steps.vcpkg-sha.outputs.sha }}-${{ hashFiles('vcpkg.json', 'vcpkg-configuration.json') }}

      - name: Create compile commands
        env:
          VCPKG_FEATURE_FLAGS: "binarycaching" # Possibly redundant, but explicitly sets the binary caching feature flag
          VCPKG_BINARY_SOURCES: "clear;files,${{ github.workspace }}/.vcpkg-cache,readwrite"
        run: |
          mkdir build
          cd build
          cmake \
            -DVCPKG_TARGET_TRIPLET=x64-linux-release \
            -DVCPKG_HOST_TRIPLET=x64-linux-release \
            -DCMAKE_POLICY_VERSION_MINIMUM=3.5 \
            -DCMAKE_C_COMPILER=clang-19 \
            -DCMAKE_CXX_COMPILER=clang++-19 \
            -DRESINSIGHT_USE_OPENMP=OFF \
            -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
            -DCMAKE_TOOLCHAIN_FILE=ThirdParty/vcpkg/scripts/buildsystems/vcpkg.cmake \
            ..
      - name: Save vcpkg cache
        if: success() && steps.vcpkg-cache.outputs.cache-hit != 'true'
        uses: actions/cache/save@v6
        with:
          path: ${{ github.workspace }}/.vcpkg-cache
          key: ${{ steps.vcpkg-cache.outputs.cache-primary-key }}
      - name: Run clazy (Qt checks, report only)
        continue-on-error: true
        run: |
          cd build
          # One process per file across all cores; clazy-standalone is otherwise
          # single-threaded and slow over the whole tree.
          # Skip UnitTests: gtest is only fetched for the test target, so its
          # headers are absent on this configure-only tree.
          find ../ApplicationLibCode -path '*/UnitTests/*' -prune -o -name '*.cpp' -print0 \
            | xargs -0 -P "$(nproc)" -n 1 clazy-standalone -checks=level1,no-range-loop-detach,no-non-pod-global-static -p compile_commands.json
          find ../GrpcInterface -name '*.cpp' -print0 \
            | xargs -0 -P "$(nproc)" -n 1 clazy-standalone -checks=level1,no-range-loop-detach,no-non-pod-global-static -p compile_commands.json