name: 'Lint sources & check submodule integrity'

on:
  pull_request:

env:
  TARGETS: f7
  FBT_TOOLCHAIN_PATH: /runner/_work
  SET_GH_OUTPUT: 1

jobs:
  lint_sources_check_submodules:
    runs-on: [self-hosted, FlipperZeroShell]
    steps:
      - name: 'Wipe workspace'
        run: find ./ -mount -maxdepth 1 -exec rm -rf {} \;

      - name: 'Checkout code'
        uses: actions/checkout@v4
        with:
          fetch-depth: 2
          ref: ${{ github.sha }}

      - name: 'Check protobuf branch'
        run: |
          git submodule update --init;
          SUB_PATH="assets/protobuf";
          SUB_BRANCH="dev";
          SUB_COMMITS_MIN=40;
          cd "$SUB_PATH";
          SUBMODULE_HASH="$(git rev-parse HEAD)";
          BRANCHES=$(git branch -r --contains "$SUBMODULE_HASH");
          COMMITS_IN_BRANCH="$(git rev-list --count dev)";
          if [ $COMMITS_IN_BRANCH -lt $SUB_COMMITS_MIN ]; then
            echo "name=fails::error" >> $GITHUB_OUTPUT;
            echo "::error::Error: Too few commits in $SUB_BRANCH of submodule $SUB_PATH: $COMMITS_IN_BRANCH(expected $SUB_COMMITS_MIN+)";
            exit 1;
          fi
          if ! grep -q "/$SUB_BRANCH" <<< "$BRANCHES"; then
            echo "name=fails::error" >> $GITHUB_OUTPUT;
            echo "::error::Error: Submodule $SUB_PATH is not on branch $SUB_BRANCH";
            exit 1;
          fi

      - name: 'Check for new TODOs'
        id: check_todos
        if: github.event_name == 'pull_request'
        run: |
          set +e;
          git diff --unified=0 --no-color ${{ github.event.pull_request.base.sha }} ${{ github.sha }} | grep -E '^\+' | grep -i -E '(TODO|HACK|FIXME|XXX)[ :]' | grep -v -- '-nofl' > lines.log;
          MISSING_TICKETS=$( grep -v -E 'FL-[0-9]+' lines.log );
          if [ -n "$MISSING_TICKETS" ]; then
            echo "Error: Missing ticket number in \`TODO\` comment(s)" >> $GITHUB_STEP_SUMMARY;
            echo "\`\`\`" >> $GITHUB_STEP_SUMMARY;
            echo "$MISSING_TICKETS" >> $GITHUB_STEP_SUMMARY;
            echo "\`\`\`" >> $GITHUB_STEP_SUMMARY;
            exit 1;
          else
            echo "No new TODOs without tickets found" >> $GITHUB_STEP_SUMMARY;
          fi

      - name: 'Check Python code formatting'
        id: syntax_check_py
        if: always()
        run: |
          set +e;
          ./fbt -s lint_py 2>&1 | tee lint-py.log;
          if [ "${PIPESTATUS[0]}" -ne 0 ]; then
            # Save multiline output
            echo "errors=1" >> $GITHUB_OUTPUT;
            printf "Python Lint errors:\n\`\`\`\n" >> $GITHUB_STEP_SUMMARY;
            echo "$(cat lint-py.log)" >> $GITHUB_STEP_SUMMARY;
            printf "\n\`\`\`\n" >> $GITHUB_STEP_SUMMARY;
            exit 1;
          else
            echo "Python Lint: all good ✨" >> $GITHUB_STEP_SUMMARY;
          fi

      - name: 'Check C++ code formatting'
        id: syntax_check_cpp
        if: always()
        run: |
          set +e;
          ./fbt -s lint 2>&1 | tee lint-cpp.log;
          if [ "${PIPESTATUS[0]}" -ne 0 ]; then
            # Save multiline output
            echo "errors=1" >> $GITHUB_OUTPUT;
            printf "C Lint errors:\n\`\`\`\n" >> $GITHUB_STEP_SUMMARY;
            echo "$(cat lint-cpp.log)" >> $GITHUB_STEP_SUMMARY;
            printf "\n\`\`\`\n" >> $GITHUB_STEP_SUMMARY;
            exit 1;
          else
            echo "C Lint: all good ✨" >> $GITHUB_STEP_SUMMARY;
          fi

      - name: Report code formatting errors
        if: ( steps.syntax_check_py.outputs.errors || steps.syntax_check_cpp.outputs.errors ) && github.event.pull_request
        run: |
          echo "Code formatting errors found";
          echo "Please run './fbt format' or './fbt format_py' to fix them";
          exit 1;