name: Release

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

jobs:
  validate:
    name: Validate Templates
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5
        with:
          go-version: '1.21'

      - name: Lint — render all templates
        working-directory: tools
        run: go run . preview all

  package:
    name: Package & Release
    if: startsWith(github.ref, 'refs/tags/v')
    needs: validate
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Package themes/
        run: |
          VERSION=${GITHUB_REF#refs/tags/}
          ARCHIVE="gitea-mail-templates-${VERSION}"
          mkdir -p "dist/${ARCHIVE}"
          cp -r themes LICENSE README.md COMPATIBILITY.md "dist/${ARCHIVE}/"
          cd dist
          zip -r "${ARCHIVE}.zip" "${ARCHIVE}"
          tar -czf "${ARCHIVE}.tar.gz" "${ARCHIVE}"

      - name: Create Release
        uses: softprops/action-gh-release@v2
        with:
          files: dist/*.zip,dist/*.tar.gz
          generate_release_notes: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}