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: Test — mail template data contexts
        working-directory: tools
        run: go test ./...

      - 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
    permissions:
      contents: write
    steps:
      - uses: actions/checkout@v4

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

      - name: Verify release notes
        run: test -s ".github/release-notes/${GITHUB_REF_NAME}.md"

      - name: Generate static preview for the archive
        working-directory: tools
        run: go run . preview all

      - name: Package themes/
        run: |
          VERSION=${GITHUB_REF#refs/tags/}
          ARCHIVE="gitea-mail-templates-${VERSION}"
          mkdir -p "dist/${ARCHIVE}/docs" "dist/${ARCHIVE}/preview"
          cp -r themes LICENSE README.md CONTRIBUTING.md COMPATIBILITY.md "dist/${ARCHIVE}/"
          cp docs/README.zh-CN.md docs/CONTRIBUTING.zh-CN.md "dist/${ARCHIVE}/docs/"
          cp -r docs/images "dist/${ARCHIVE}/docs/"
          cp preview/index.html preview/rendered.js "dist/${ARCHIVE}/preview/"
          cd dist
          zip -r "${ARCHIVE}.zip" "${ARCHIVE}"
          tar -czf "${ARCHIVE}.tar.gz" "${ARCHIVE}"

      - name: Create Release
        uses: softprops/action-gh-release@v3
        with:
          files: dist/*.zip,dist/*.tar.gz
          fail_on_unmatched_files: true
          body_path: .github/release-notes/${{ github.ref_name }}.md
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}