name: Create Branch on Tag

on:
  push:
    tags:
      - 'v*.*.0'

jobs:
  create-branch:
    runs-on: ubuntu-latest
    steps:
    - name: Check out code
      uses: actions/checkout@v3
      with:
        fetch-depth: 0

    - name: Set up Git
      run: |
        git config --global user.name 'kubbot'
        git config --global user.email '3293172751yxy@gmail.com'

    - name: Install git-chglog
      run: make install.git-chglog

    - name: Create Branch
      run: |
        TAG_NAME=${GITHUB_REF/refs\/tags\//}
        IFS='.' read -ra VERSION_PARTS <<< "$TAG_NAME"
        if [[ "${VERSION_PARTS[2]}" = "0" ]]; then
          BRANCH_NAME="release-v${VERSION_PARTS[0]}.${VERSION_PARTS[1]}"
          echo "Creating branch $BRANCH_NAME"
          git checkout -b "$BRANCH_NAME"
          git push origin "$BRANCH_NAME"
        fi

    - name: Push Changes
      uses: stefanzweifel/git-auto-commit-action@v4
      with:
        commit_message: "Auto Commit CHANGELOG"
        branch: release-v${VERSION_PARTS[0]}.${VERSION_PARTS[1]}
      env:
        GITHUB_TOKEN: ${{ secrets.BOT_GITHUB_TOKEN }}

    - name: Create and Push CHANGELOG
      run: |
        git checkout main
        TAG_NAME=${GITHUB_REF/refs\/tags\//}
        IFS='.' read -ra VERSION_PARTS <<< "$TAG_NAME"
        if [[ "${VERSION_PARTS[2]}" = "0" ]]; then
          cd CHANGELOG
          git-chglog --tag-filter-pattern "v${VERSION_PARTS[0]}.${VERSION_PARTS[1]}.*"  -o "CHANGELOG-${VERSION_PARTS[0]}.${VERSION_PARTS[1]}.md"
          git add "CHANGELOG-${VERSION_PARTS[0]}.${VERSION_PARTS[1]}.md"
          git commit -m "Update CHANGELOG for $TAG_NAME"
        fi

    - name: Push Changes
      uses: stefanzweifel/git-auto-commit-action@v4
      with:
        commit_message: "Auto Commit CHANGELOG"
        branch: main
      env:
        GITHUB_TOKEN: ${{ secrets.BOT_GITHUB_TOKEN }}