name: CMake

on:
  push:
    paths:
      - '.github/workflows/cmake.yml'
      - 'src/**'
      - 'CMakeModules/**'
      - CMakeLists.txt
      - 'protocols/**'
    branches: [ main ]
    tags: [ 'v*' ]
  pull_request:
    paths:
      - '.github/workflows/cmake.yml'
      - 'src/**'
      - 'CMakeModules/**'
      - CMakeLists.txt
      - 'protocols/**'
    branches: [ main ]
  workflow_dispatch:

jobs:
  formatting:
    name: Formatting check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Run clang-format style check for C/C++ programs.
        uses: jidicula/clang-format-action@v4.18.0
        with:
          check-path: "src"
          exclude-regex: "(src/External)"
      - run: echo "Formatted with clang-format version ${{ steps.clang-format.outputs.clang-format-version }}"

  tests:
    #needs: formatting
    env:
      BUILD_TYPE: Release

    strategy:
      matrix:
        os: [ubuntu-24.04]
    # The CMake configure and build commands are platform agnostic and should work equally well on Windows or Mac.
    # You can convert this to a matrix build if you need cross-platform coverage.
    # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
    runs-on: ${{ matrix.os }}

    steps:
      - uses: actions/checkout@v3
        with:
          submodules: true

      # cache some build information
      - name: ccache
        uses: hendrikmuhs/ccache-action@v1.2
        with:
          key: ${{ github.job }}-${{ matrix.os }}

      - name: Install dependencies
        run: sudo apt-get update && sudo apt-get -y install libgl-dev libglew-dev freeglut3-dev libsdl2-dev liblz4-dev libavcodec-dev libavformat-dev libavutil-dev libswscale-dev libglm-dev libglfw3-dev libmpv-dev mpv libmpv2 libfftw3-dev libfreetype-dev libdbus-1-dev

      - name: Configure CMake
        # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
        # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
        run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DBUILD_TESTING=1 -D CMAKE_C_COMPILER_LAUNCHER=ccache -D CMAKE_CXX_COMPILER_LAUNCHER=ccache

      - name: Build
        # Build your program with the given configuration
        run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}} --target tests --verbose

      - name: Run tests
        # Run the unit tests available
        run: ${{github.workspace}}/build/output/tests

  build:
    needs: tests
    permissions:
      actions: read
      contents: read
      security-events: write

    strategy:
      matrix:
        include:
          - build_type: Release
            variant: kde
            disable_kde: 'OFF'
          - build_type: Release
            variant: generic
            disable_kde: 'ON'
          - build_type: Debug
            variant: kde
            disable_kde: 'OFF'
    runs-on: ubuntu-24.04

    steps:
      - uses: actions/checkout@v3
        with:
          submodules: true

      - name: ccache
        uses: hendrikmuhs/ccache-action@v1.2
        with:
          key: ${{ github.job }}-ubuntu-24.04-${{ matrix.build_type }}-${{ matrix.variant }}

      - name: Initialize CodeQL
        # Initializes the CodeQL tools for scanning.
        uses: github/codeql-action/init@v3
        if: ${{ matrix.build_type == 'Debug' }}
        with:
          languages: 'cpp'

      - name: Install dependencies
        run: sudo apt-get update && sudo apt-get -y install libxrandr-dev libxinerama-dev libxcursor-dev libxi-dev libgl-dev libglew-dev freeglut3-dev libsdl2-dev liblz4-dev libavcodec-dev libavformat-dev libavutil-dev libswscale-dev libxxf86vm-dev libglm-dev libglfw3-dev libmpv-dev mpv libmpv2 libpulse-dev libpulse0 libfftw3-dev libfreetype-dev libdbus-1-dev wayland-scanner++ wayland-protocols libwayland-dev

      - name: Configure CMake
        run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{matrix.build_type}} -DDISABLE_KDE_FEATURES=${{matrix.disable_kde}} -D CMAKE_C_COMPILER_LAUNCHER=ccache -D CMAKE_CXX_COMPILER_LAUNCHER=ccache

      - name: Build
        run: cmake --build ${{github.workspace}}/build --config ${{matrix.build_type}} --verbose

      - name: Perform CodeQL Analysis
        if: ${{ matrix.build_type == 'Debug' }}
        uses: github/codeql-action/analyze@v3

      - name: Package
        if: ${{ matrix.build_type == 'Release' }}
        run: |
          name=linux-wallpaperengine-${{ matrix.variant }}-ubuntu-24.04-x86_64
          cmake --install build --prefix "$RUNNER_TEMP/install"
          # the install also carries the dependencies' own tools, headers and static libs, keep only what runs
          pkg="$RUNNER_TEMP/$name"
          mkdir -p "$pkg/lib"
          cd "$RUNNER_TEMP/install"
          cp -a linux-wallpaperengine liblinux-wallpaperengine-lib.so libcef.so libEGL.so libGLESv2.so \
            libvk_swiftshader.so vk_swiftshader_icd.json chrome-sandbox icudtl.dat v8_context_snapshot.bin \
            *.pak locales "$pkg/"
          cp -a lib/libkissfft-float.so* "$pkg/lib/"
          # CEF ships libcef.so with debug symbols, 1.4 GB instead of about 220 MB
          strip --strip-unneeded "$pkg/linux-wallpaperengine" "$pkg/liblinux-wallpaperengine-lib.so" "$pkg/libcef.so"
          tar -czf "$RUNNER_TEMP/$name.tar.gz" -C "$RUNNER_TEMP" "$name"

      - uses: actions/upload-artifact@v4
        if: ${{ matrix.build_type == 'Release' }}
        with:
          name: linux-wallpaperengine-${{ matrix.variant }}
          path: ${{ runner.temp }}/linux-wallpaperengine-${{ matrix.variant }}-ubuntu-24.04-x86_64.tar.gz
          if-no-files-found: error

  release:
    needs: build
    if: startsWith(github.ref, 'refs/tags/v')
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - uses: actions/checkout@v4

      - uses: actions/download-artifact@v4
        with:
          path: release
          merge-multiple: true

      - name: Create release
        env:
          GH_TOKEN: ${{ github.token }}
        run: gh release create "$GITHUB_REF_NAME" --title "$GITHUB_REF_NAME" --generate-notes release/*.tar.gz

  clang-build:
    needs: tests
    permissions:
      actions: read
      contents: read
      security-events: write

    strategy:
      matrix:
        build_type: [Debug, Release]
    # The CMake configure and build commands are platform agnostic and should work equally well on Windows or Mac.
    # You can convert this to a matrix build if you need cross-platform coverage.
    # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
    runs-on: ubuntu-24.04

    steps:
      - uses: actions/checkout@v3
        with:
          submodules: true

      - name: ccache
        uses: hendrikmuhs/ccache-action@v1.2
        with:
          key: ${{ github.job }}-ubuntu-24.04-${{ matrix.build_type }}

      - name: Install dependencies
        run: sudo apt-get update && sudo apt-get -y install libxrandr-dev libxinerama-dev libxcursor-dev libxi-dev libgl-dev libglew-dev freeglut3-dev libsdl2-dev liblz4-dev libavcodec-dev libavformat-dev libavutil-dev libswscale-dev libxxf86vm-dev libglm-dev libglfw3-dev libmpv-dev mpv libmpv2 libpulse-dev libpulse0 libfftw3-dev libfreetype-dev libdbus-1-dev wayland-scanner++ wayland-protocols libwayland-dev

      - name: Configure CMake
        # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
        # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
        run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{matrix.build_type}} -D CMAKE_C_COMPILER_LAUNCHER=ccache -D CMAKE_CXX_COMPILER_LAUNCHER=ccache -D CMAKE_C_COMPILER=clang -D CMAKE_CXX_COMPILER=clang++

      - name: Build
        # Build your program with the given configuration
        run: cmake --build ${{github.workspace}}/build --config ${{matrix.build_type}} --verbose