name: Static analysis

on: pull_request

jobs:

  clang-tidy:
    runs-on: ubuntu-22.04

    steps:
    - name: Update Packages
      run: |
        sudo apt-get update
    - name: Fetch libtorrent
      run: |
        git clone https://github.com/rakshasa/libtorrent
    - name: Build libtorrent
      run: |
        cd libtorrent
        libtoolize
        aclocal -I scripts
        autoconf -i
        autoheader
        automake --add-missing
        ./configure
        make
        sudo make install
        cd ..
        rm -rf libtorrent
    - uses: actions/checkout@v4
      with:
        ref: ${{ github.event.pull_request.head.sha }}
        fetch-depth: 0
    - name: Fetch base branch
      run: |
        git remote add upstream "https://github.com/${{ github.event.pull_request.base.repo.full_name }}"
        git fetch --no-tags --no-recurse-submodules upstream "${{ github.event.pull_request.base.ref }}"
    - name: Install Dependencies
      run: |
        sudo apt-get install -y bear clang-tidy libcurl4-openssl-dev
    - name: Configure Project
      run: |
        libtoolize
        aclocal -I scripts
        autoconf -i
        autoheader
        automake --add-missing
        ./configure
    - name: Prepare compile_commands.json
      run: |
        bear -- make
    - name: Create results directory
      run: |
        mkdir clang-tidy-result
    - name: Analyze
      run: |
        git diff -U0 "$(git merge-base HEAD "upstream/${{ github.event.pull_request.base.ref }}")" | clang-tidy-diff -p1 -path build -export-fixes clang-tidy-result/fixes.yml "-extra-arg=-include/${PWD}/config.h"
    - name: Save PR metadata
      run: |
        echo "${{ github.event.number }}" > clang-tidy-result/pr-id.txt
        echo "${{ github.event.pull_request.head.repo.full_name }}" > clang-tidy-result/pr-head-repo.txt
        echo "${{ github.event.pull_request.head.sha }}" > clang-tidy-result/pr-head-sha.txt
    - uses: actions/upload-artifact@v4
      with:
        name: clang-tidy-result
        path: clang-tidy-result/
    # - name: Run clang-tidy-pr-comments action
    #   uses: platisd/clang-tidy-pr-comments@v1
    #   with:
    #     # The GitHub token (or a personal access token)
    #     github_token: ${{ secrets.GITHUB_TOKEN }}
    #     # The path to the clang-tidy fixes generated previously
    #     clang_tidy_fixes: clang-tidy-result/fixes.yml
    #     # Optionally set to true if you want the Action to request
    #     # changes in case warnings are found
    #     request_changes: true
    #     # Optionally set the number of comments per review
    #     # to avoid GitHub API timeouts for heavily loaded
    #     # pull requests
    #     suggestions_per_comment: 10