name: Create Release

on:
  push:
    tags: ['v*']

permissions:
  contents: write

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Generate changelog
        id: changelog
        run: |
          # Get previous tag
          PREV_TAG=$(git describe --tags --abbrev=0 HEAD^ 2>/dev/null || echo "")
          
          if [ -z "$PREV_TAG" ]; then
            # First release - get all commits
            CHANGES=$(git log --pretty=format:"- %s" HEAD)
          else
            # Get commits since last tag
            CHANGES=$(git log --pretty=format:"- %s" ${PREV_TAG}..HEAD)
          fi
          
          # Write to file for multiline support
          echo "$CHANGES" > changelog.txt

      - name: Create Release
        uses: softprops/action-gh-release@v1
        with:
          body_path: changelog.txt
          generate_release_notes: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}