name: Check style

on:
  push:
    branches-ignore:
      - gh-readonly-queue/**
      - master
  pull_request:
  merge_group:

jobs:
  check-style:
    runs-on: ubuntu-20.04
    env:
      CARGO_HTTP_MULTIPLEXING: false
    steps:
    - uses: actions/checkout@v4
      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
        rustup default stable
        pip3 install pylint
        wget -O ~/.local/bin/shfmt https://github.com/mvdan/sh/releases/download/v3.8.0/shfmt_v3.8.0_linux_amd64
        chmod +x ~/.local/bin/shfmt
        git clone https://gitlab.com/Patiga/twmap.git/
        cd twmap/twmap-tools
        cargo install --locked --path=.
        cd ../..
        rm -rf twmap
        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: Check absolute includes
      run: "! grep --exclude-dir rust-bridge -rE '^#include \"(antibot|base|engine|game|steam|test)/' src/"
    - name: Check standard header includes
      run: scripts/check_standard_headers.sh
    - name: Check config variables
      run: scripts/check_config_variables.py
    # TODO: Enable on release branches
    #- name: Out-of-date translations
    #  run: |
    #    cp -a data/languages data/languages.orig
    #    scripts/languages/update_all.py
    #    diff_lang=$(diff data/languages.orig data/languages)
    #    if [ -n "$diff_lang" ]; then
    #      echo "Update translations:\n$diff_lang"
    #      exit 1
    #    fi
    - name: Shellcheck
      run: find . -type f -name '*.sh' -print0 | xargs -0 shellcheck
    - name: Shell format (shfmt)
      run: find . -type f -name '*.sh' -print0 | xargs -0 shfmt -d
    - 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 header files
      run: scripts/check_unused_header_files.py
    - name: Check maps
      run: |
        findings=$(find data -type f -name '*.map' ! -wholename 'data/maps/coverage.map' -print0 | xargs -0 ~/.cargo/bin/twmap-check-ddnet 2>&1 | \
          grep -v -E "\"data/maps/(ctf|dm).*\.map\": Time cps are missing on the map" | \
          grep -v -E "\"data/themes/.*\.map\": Time cps are missing on the map" | \
          grep -v -E "\"data/maps/ctf4\.map\": Map - In Image at index 3 -> Image 'jungle_doodads_old' is not a valid external image for DDNet06" | \
          grep -v -E "\"data/themes/autumn_night\.map\": Map - In Image at index 3 -> Image 'generic_lamps' is not a valid external image for DDNet06" | \
          grep -v -E "\"data/maps7?/Tutorial\.map\": Map setting - Unusual: 'sv_show_others_default'" || true)
        if [ -n "$findings" ]; then
          echo "$findings"
          exit 1
        fi