name: Check style

on:
  push:
    branches-ignore:
      - master
      - staging.tmp
      - trying.tmp
      - staging-squash-merge.tmp
  pull_request:

jobs:
  check-style:
    runs-on: ubuntu-20.04
    steps:
    - uses: actions/checkout@v2
      with:
        submodules: true
    - name: Prepare
      run: |
        sudo apt-get update -y
        sudo apt-get install clang-format imagemagick ddnet-tools shellcheck pkg-config cmake ninja-build libfreetype6-dev libnotify-dev libsdl2-dev libsqlite3-dev libavcodec-dev libavformat-dev libavutil-dev libswresample-dev libswscale-dev libx264-dev python3-clang libvulkan-dev glslang-tools spirv-tools -y
        pip3 install pylint
        mkdir release
        cd release
        cmake -G Ninja -DCMAKE_BUILD_TYPE=Release -DDOWNLOAD_GTEST=OFF -DCMAKE_RUNTIME_OUTPUT_DIRECTORY_RELEASE=. ..
        cmake --build . --config Release --target dilate
    - name: Check clang-format
      run: clang-format -version
    - name: Check fix_style
      run: scripts/fix_style.py --dry-run
    - name: Check header guards
      run: scripts/check_header_guards.py
    - name: Check languages
      run: scripts/languages/update_all.py
    - name: Check dilated images
      run: scripts/check_dilate.sh release data
    - name: Shellcheck
      run: find . -type f -name '*.sh' -print0 | xargs -0 shellcheck
    - name: Check log error case
      run: |
        if grep -Eqr '(msg|Print).*\(.*"[Ee]rror:' src/;
        then
          echo "Expected log errors to be in this format 'ERROR: error message'"
          echo "Found these non uppercased log errors:"
          grep -Er '(msg|Print).*\(.*"[Ee]rror:' src/
          exit 1
        fi
    - name: Pylint
      run: |
        pylint --version
        find . -type f -name "*.py" -not -path './ddnet-libs/*' -not -path './googletest-src/*' -print0 | xargs -0 pylint
    - name: Unused headers
      run: |
        find src -name '*.h' | while read -r i; do grep -r -q "$(basename "$i")" || (echo "Header file $i is unused" && exit 1); done