black.yaml

name: Auto-format and Validate Version

on:
  pull_request:

jobs:
  auto-format:
    name: Auto-format Code
    runs-on: ubuntu-latest

    steps:
      # Step 1: Checkout the repository
      - name: Checkout Repository
        uses: actions/checkout@v3

      # Step 2: Set up Python environment
      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.x'

      # Step 3: Install tools (black and isort)
      - name: Install Tools
        run: |
          python -m pip install --upgrade pip
          pip install black isort

      # Step 4: Run black and isort to format the code
      - name: Format Code with Black and isort
        run: |
          black --line-length=119 .
          isort --profile="black" .

      # Step 5: Commit Formatting Changes
      - name: Commit Formatting Changes
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

          # Ensure you are on the correct branch
          git checkout -B $GITHUB_HEAD_REF || git checkout -b new-branch-name

          # Stage and commit changes
          git add .
          if git diff --cached --quiet; then
            echo "No formatting changes to commit."
            exit 0
          fi
          git commit -m "Auto-format code with Black and isort"

          # Push changes
          git push origin $GITHUB_HEAD_REF



  validate-version:
    name: Validate Version
    runs-on: ubuntu-latest
    needs: auto-format
    if: github.base_ref == 'main'

    steps:
      - name: Checkout Repository
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Skip Validation for Non-patch/dev Branches
        run: |
          if [[ "$GITHUB_HEAD_REF" != patch* && "$GITHUB_HEAD_REF" != dev* ]]; then
            echo "Skipping validation for non-patch/dev branch."
            exit 0
          fi

      - name: Get Latest Tag
        id: get_latest_tag
        run: |
          LATEST_TAG=$(git describe --tags --abbrev=0)
          if [ -z "$LATEST_TAG" ]; then
            echo "Error: No tags found in the repository." >&2
            exit 1
          fi
          VERSION=$(echo "$LATEST_TAG" | sed -E 's/^v?([0-9]+\.[0-9]+\.[0-9]+)$/\1/')
          echo "tag_version=$VERSION" >> $GITHUB_ENV

      - name: Get VERSION from Current Branch
        id: get_patch_version
        run: |
          VERSION=$(grep -m 1 -oP '(?<=^VERSION = ")[^"]+' apps/pv_opt/pv_opt.py)
          if [ -z "$VERSION" ]; then
            echo "Error: VERSION not found in apps/pv_opt/pv_opt.py on source branch." >&2
            exit 1
          fi
          echo "patch_version=$VERSION" >> $GITHUB_ENV

      - name: Validate or Fix Version Increment
        id: validate_or_fix_version
        run: |
          patch_version=$patch_version
          tag_version=$tag_version

          tag_major=$(echo "$tag_version" | awk -F '.' '{print $1}')
          tag_minor=$(echo "$tag_version" | awk -F '.' '{print $2}')
          tag_patch=$(echo "$tag_version" | awk -F '.' '{print $3}')

          if [[ "$GITHUB_HEAD_REF" == patch* ]]; then
            new_patch_version="$tag_major.$tag_minor.$((tag_patch + 1))"
          elif [[ "$GITHUB_HEAD_REF" == dev* ]]; then
            new_patch_version="$tag_major.$((tag_minor + 1)).0"
          else
            echo "Error: Unsupported source branch type." >&2
            exit 1
          fi

          sed -i "s/^VERSION = \".*\"/VERSION = \"$new_patch_version\"/" apps/pv_opt/pv_opt.py
          echo "Corrected version to $new_patch_version."
          echo "new_patch_version=$new_patch_version" >> $GITHUB_ENV
          echo "VERSION_CHANGED=true" >> $GITHUB_ENV

      - name: Update README.md version
        run: |
          new_patch_version=${{ env.new_patch_version }}
          sed -i "1s/v[0-9]*\.[0-9]*\.[0-9]*/v$new_patch_version/" README.md

      - name: Commit Version Changes
        if: env.VERSION_CHANGED == 'true'
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git checkout -B $GITHUB_HEAD_REF
          git add apps/pv_opt/pv_opt.py README.md
          if git diff --cached --quiet; then
            echo "No version changes to commit."
            exit 0
          fi
          git commit -m "Update version to ${{ env.new_patch_version }}"
          git push origin $GITHUB_HEAD_REF