name: Release

on:
  push:
    tags:
      - 'v*'

permissions:
  contents: write

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Generate changelog
        id: changelog
        run: |
          PREV_TAG=$(git tag --sort=-version:refname | head -2 | tail -1)
          if [ "$PREV_TAG" = "$GITHUB_REF_NAME" ]; then
            PREV_TAG=""
          fi

          if [ -n "$PREV_TAG" ]; then
            COMMITS=$(git log "${PREV_TAG}..HEAD" --pretty=format:"- %s (%h)" --no-merges)
          else
            COMMITS=$(git log --pretty=format:"- %s (%h)" --no-merges -20)
          fi

          {
            echo "commits<<EOF"
            echo "$COMMITS"
            echo "EOF"
          } >> "$GITHUB_OUTPUT"

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          name: ${{ github.ref_name }}
          body: |
            ## What's Changed

            ${{ steps.changelog.outputs.commits }}

            **Full Changelog**: https://github.com/${{ github.repository }}/compare/${{ github.ref_name }}^...${{ github.ref_name }}
          draft: false
          prerelease: ${{ contains(github.ref_name, 'rc') || contains(github.ref_name, 'beta') || contains(github.ref_name, 'alpha') }}