# Syntax reference https://help.github.com/en/actions/reference/workflow-syntax-for-github-actions
# Environment reference https://help.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners
name: include-what-you-use

on: workflow_dispatch

permissions:
  contents: read

jobs:
  iwyu:

    strategy:
      matrix:
        image: ["fedora:latest"] # "debian:unstable" / "archlinux:latest"

    runs-on: ubuntu-22.04

    container:
      image: "fedora:latest"

    steps:
      - uses: actions/checkout@v3

      # TODO: the necessary packages are excessive - mostly because of Qt - use a pre-built image
      - name: Install missing software on debian/ubuntu
        if: contains(matrix.image, 'debian')
        run: |
          apt-get update
          apt-get install -y cmake g++ make libpcre3-dev
          apt-get install -y qtbase5-dev qttools5-dev libqt5charts5-dev
          apt-get install -y wget iwyu
          ln -s ../x86_64-linux-gnu/qt5 /usr/include/qt

      - name: Install missing software on archlinux
        if: contains(matrix.image, 'archlinux')
        run: |
          set -x
          pacman -Sy
          pacman -S cmake make gcc qt5-base qt5-tools qt5-charts pcre wget --noconfirm
          pacman-key --init
          pacman-key --recv-key 3056513887B78AEB --keyserver keyserver.ubuntu.com
          pacman-key --lsign-key 3056513887B78AEB 
          pacman -U 'https://cdn-mirror.chaotic.cx/chaotic-aur/chaotic-keyring.pkg.tar.zst' 'https://cdn-mirror.chaotic.cx/chaotic-aur/chaotic-mirrorlist.pkg.tar.zst' --noconfirm
          echo "[chaotic-aur]" >> /etc/pacman.conf
          echo "Include = /etc/pacman.d/chaotic-mirrorlist" >> /etc/pacman.conf
          pacman -Sy
          pacman -S include-what-you-use --noconfirm
          ln -s iwyu-tool /usr/sbin/iwyu_tool

      # TODO: the necessary packages are excessive - mostly because of Qt - use a pre-built image
      - name: Install missing software on Fedora
        if: contains(matrix.image, 'fedora')
        run: |
          dnf install -y cmake gcc-c++ qt5-qtbase-devel qt5-linguist qt5-qttools-devel qt5-qtcharts-devel pcre-devel
          dnf install -y wget iwyu
          ln -s iwyu_tool.py /usr/bin/iwyu_tool
          ln -s qt5 /usr/include/qt

      # TODO: switch to Qt 6 after we enabled the Qt mappings again
      - name: Prepare CMake
        run: |
          cmake -S . -B cmake.output -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DHAVE_RULES=On -DBUILD_TESTS=On -DBUILD_GUI=On -DWITH_QCHART=On -DENABLE_CHECK_INTERNAL=On -DCMAKE_GLOBAL_AUTOGEN_TARGET=On -DCMAKE_DISABLE_PRECOMPILE_HEADERS=On -DCPPCHK_GLIBCXX_DEBUG=Off -DUSE_MATCHCOMPILER=Off

      - name: Prepare CMake dependencies
        run: |
          # make sure the precompiled headers exist
          #make -C cmake.output/cli cmake_pch.hxx.pch
          #make -C cmake.output/gui cmake_pch.hxx.pch
          #make -C cmake.output/lib cmake_pch.hxx.pch
          #make -C cmake.output/test cmake_pch.hxx.pch
          # make sure the auto-generated GUI sources exist
          make -C cmake.output autogen
          # make sure the auto-generated GUI dependencies exist
          make -C cmake.output gui-build-deps
          make -C cmake.output triage-build-ui-deps

      - name: Build Qt mappings
        run: |
          wget https://raw.githubusercontent.com/include-what-you-use/include-what-you-use/master/mapgen/iwyu-mapgen-qt.py
          python3 iwyu-mapgen-qt.py /usr/include/qt/ > qt5.imp

      - name: iwyu_tool
        run: |
          PWD=$(pwd)
          iwyu_tool -p cmake.output -j $(nproc) -- -w -Xiwyu --max_line_length=1024 -Xiwyu --comment_style=long -Xiwyu --quoted_includes_first -Xiwyu --update_comments -Xiwyu --mapping_file=$PWD/qt5.imp -I/usr/lib/clang/17/include > iwyu.log

      - uses: actions/upload-artifact@v3
        if: success() || failure()
        with:
          name: Compilation Database
          path: ./cmake.output/compile_commands.json

      - uses: actions/upload-artifact@v3
        if: success() || failure()
        with:
          name: Qt Mappings
          path: ./qt5.imp

      - uses: actions/upload-artifact@v3
        if: success() || failure()
        with:
          name: Logs (include-what-you-use)
          path: ./*.log

  clang-include-cleaner:

    runs-on: ubuntu-22.04

    env:
      QT_VERSION: 5.15.2

    steps:
      - uses: actions/checkout@v3

      - name: Install missing software
        run: |
          sudo apt-get update
          sudo apt-get install -y cmake make
          sudo apt-get install -y libpcre3-dev
          sudo apt-get install -y libffi7 # work around missing dependency for Qt install step

      - name: Install clang
        run: |
          sudo apt-get purge --auto-remove llvm python3-lldb-14 llvm-14
          wget https://apt.llvm.org/llvm.sh
          chmod +x llvm.sh
          sudo ./llvm.sh 17
          sudo apt-get install -y clang-tools-17

      - name: Install Qt ${{ env.QT_VERSION }}
        uses: jurplel/install-qt-action@v3
        with:
          version: ${{ env.QT_VERSION }}
          modules: 'qtcharts'
          cache: true

      - name: Prepare CMake
        run: |
          cmake -S . -B cmake.output -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DHAVE_RULES=On -DBUILD_TESTS=On -DBUILD_GUI=On -DBUILD_TESTS=On -DBUILD_GUI=On -DWITH_QCHART=On -DENABLE_CHECK_INTERNAL=On -DCMAKE_GLOBAL_AUTOGEN_TARGET=On -DCMAKE_DISABLE_PRECOMPILE_HEADERS=On -DCPPCHK_GLIBCXX_DEBUG=Off -DUSE_MATCHCOMPILER=Off
        env:
          CC: clang-17
          CXX: clang++-17

      - name: Prepare CMake dependencies
        run: |
          # make sure the precompiled headers exist
          #make -C cmake.output/cli cmake_pch.hxx.pch
          #make -C cmake.output/gui cmake_pch.hxx.pch
          #make -C cmake.output/lib cmake_pch.hxx.pch
          #make -C cmake.output/test cmake_pch.hxx.pch
          # make sure the auto-generated GUI sources exist
          make -C cmake.output autogen
          # make sure the auto-generated GUI dependencies exist
          make -C cmake.output gui-build-deps

      - name: clang-include-cleaner
        run: |
          # TODO: run multi-threaded
          find $PWD/cli $PWD/lib $PWD/test -maxdepth 1 -name "*.cpp" | xargs -t -n 1 clang-include-cleaner-17 --print=changes --extra-arg=-w -p cmake.output > clang-include-cleaner.log 2>&1

      - uses: actions/upload-artifact@v3
        with:
          name: Logs (clang-include-cleaner)
          path: ./*.log