name: 'Static C/C++ analysis with PVS-Studio'

on:
  push:
    branches:
      - dev
      - "release*"
    tags:
      - '*'
  pull_request:

env:
  TARGETS: f7
  DEFAULT_TARGET: f7
  FBT_TOOLCHAIN_PATH: /runner/_work

jobs:
  analyse_c_cpp:
    if: ${{ !github.event.pull_request.head.repo.fork }}
    runs-on: [self-hosted, FlipperZeroShell]
    steps:
      - name: 'Decontaminate previous build leftovers'
        run: |
          if [ -d .git ]; then
            git submodule status || git checkout "$(git rev-list --max-parents=0 HEAD | tail -n 1)"
          fi

      - name: 'Checkout code'
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
          ref: ${{ github.event.pull_request.head.sha }}

      - name: 'Get commit details'
        id: names
        run: |
          if [[ ${{ github.event_name }} == 'pull_request' ]]; then
            TYPE="pull"
          elif [[ "${{ github.ref }}" == "refs/tags/"* ]]; then
            TYPE="tag"
          else
            TYPE="other"
          fi
          python3 scripts/get_env.py "--event_file=${{ github.event_path }}" "--type=$TYPE"

      - name: 'Make reports directory'
        run: |
          rm -rf reports/
          mkdir reports

      - name: 'Generate compile_comands.json'
        run: |
          ./fbt COMPACT=1 version_json proto_ver icons firmware_cdb dolphin_internal dolphin_blocking _fap_icons api_syms

      - name: 'Static code analysis'
        run: |
          source scripts/toolchain/fbtenv.sh
          pvs-studio-analyzer credentials ${{ secrets.PVS_STUDIO_CREDENTIALS }}
          pvs-studio-analyzer analyze \
              @.pvsoptions \
              -C gccarm \
              -j$(grep -c processor /proc/cpuinfo) \
              -f build/f7-firmware-DC/compile_commands.json \
              -o PVS-Studio.log

      - name: 'Convert PVS-Studio output to html and detect warnings'
        id: pvs-warn
        run: |
          WARNINGS=0
          plog-converter \
              -a GA:1,2,3 \
              -t fullhtml \
              --indicate-warnings \
              PVS-Studio.log \
              -o reports/${DEFAULT_TARGET}-${SUFFIX} || WARNINGS=1
          echo "warnings=${WARNINGS}" >> $GITHUB_OUTPUT

      - name: 'Upload artifacts to update server'
        if: ${{ !github.event.pull_request.head.repo.fork && (steps.pvs-warn.outputs.warnings != 0) }}
        run: |
          mkdir -p ~/.ssh
          ssh-keyscan -p ${{ secrets.RSYNC_DEPLOY_PORT }} -H ${{ secrets.RSYNC_DEPLOY_HOST }} > ~/.ssh/known_hosts
          echo "${{ secrets.RSYNC_DEPLOY_KEY }}" > deploy_key;
          chmod 600 ./deploy_key;
          rsync -avrzP --mkpath \
              -e 'ssh -p ${{ secrets.RSYNC_DEPLOY_PORT }} -i ./deploy_key' \
              reports/ ${{ secrets.RSYNC_DEPLOY_USER }}@${{ secrets.RSYNC_DEPLOY_HOST }}:/home/data/firmware-pvs-studio-report/"${BRANCH_NAME}/";
          rm ./deploy_key;

      - name: 'Find Previous Comment'
        if: ${{ !github.event.pull_request.head.repo.fork && github.event.pull_request && (steps.pvs-warn.outputs.warnings != 0) }}
        uses: peter-evans/find-comment@v2
        id: fc
        with:
          issue-number: ${{ github.event.pull_request.number }}
          comment-author: 'github-actions[bot]'
          body-includes: 'PVS-Studio report for commit'

      - name: 'Create or update comment'
        if: ${{ !github.event.pull_request.head.repo.fork && github.event.pull_request && (steps.pvs-warn.outputs.warnings != 0) }}
        uses: peter-evans/create-or-update-comment@v1
        with:
          comment-id: ${{ steps.fc.outputs.comment-id }}
          issue-number: ${{ github.event.pull_request.number }}
          body: |
            **PVS-Studio report for commit `${{steps.names.outputs.commit_sha}}`:**
            - [Report](https://update.flipperzero.one/builds/firmware-pvs-studio-report/${{steps.names.outputs.branch_name}}/${{steps.names.outputs.default_target}}-${{steps.names.outputs.suffix}}/index.html)
          edit-mode: replace

      - name: 'Raise exception'
        if: ${{ steps.pvs-warn.outputs.warnings != 0 }}
        run: |
          echo "Please fix all PVS varnings before merge"
          exit 1