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 .

  validate-version:
    name: Validate Version
    runs-on: ubuntu-latest
    needs: auto-format
    if: github.base_ref == 'main' && (github.head_ref startsWith 'patch' || github.head_ref startsWith 'dev')

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

      - name: Fetch main branch into a temporary branch
        run: |
          git fetch origin main
          git checkout -b temp-main origin/main

      - name: Get VERSION from patch 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 patch branch." >&2
            exit 1
          fi
          echo "patch_version=$VERSION" >> $GITHUB_ENV

      - name: Get VERSION from main branch
        id: get_main_version
        run: |
          git checkout temp-main
          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 main branch." >&2
            exit 1
          fi
          echo "main_version=$VERSION" >> $GITHUB_ENV

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

          main_major=$(echo "$main_version" | awk -F '.' '{print $1}')
          main_minor=$(echo "$main_version" | awk -F '.' '{print $2}')
          main_patch=$(echo "$main_version" | awk -F '.' '{print $3}')

          if [[ "$GITHUB_HEAD_REF" == patch* ]]; then
            new_patch_version="$main_major.$main_minor.$((main_patch + 1))"
          elif [[ "$GITHUB_HEAD_REF" == dev* ]]; then
            new_patch_version="$main_major.$((main_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 "VERSION_CHANGED=true" >> $GITHUB_ENV

      - name: Update README.md version
        run: |
          patch_version=$(grep -m 1 -oP '(?<=^VERSION = ")[^"]+' apps/pv_opt/pv_opt.py)
          sed -i "1s/v[0-9]*\.[0-9]*\.[0-9]*/v$patch_version/" README.md

  commit-changes:
    needs:
      - auto-format
    name: Commit and Push All Changes
    runs-on: ubuntu-latest
    if: success() || github.event.pull_request.base.ref == 'main'

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

      - name: Configure Git User
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

      - name: Checkout or Create Patch Branch
        run: |
          git checkout -b patch || git checkout patch

      - name: Commit All Changes
        env:
          VERSION_CHANGED: ${{ env.VERSION_CHANGED || 'false' }}
        run: |
          git add .
          if [ "$VERSION_CHANGED" = "true" ]; then
            git commit -m "Auto-format code and update version to [Version Updated]"
          else
            git commit -m "Auto-format code and validate version"
          fi

      - name: Push Changes
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          git push --force-with-lease --set-upstream origin patch